Relevant bibliographies by topics / Radiography in orthopedia

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Academic literature on the topic 'Radiography in orthopedia'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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Journal articles on the topic "Radiography in orthopedia"

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Bumbasirevic, Marko, and Aleksandar Lesic. "Physicians founders of orthopedic surgery in Serbia." Srpski arhiv za celokupno lekarstvo 132, no. 5-6 (2004): 198–203. http://dx.doi.org/10.2298/sarh0406198b.

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The beginnings of the development of orthopedic surgery in Serbia have been related to the name of Dr Nikola Krstic and his first radiography of the hand in 1908. The foundation of the Orthopedic Ward, led by Dr Nikola Krstic, within the General State Hospital in Belgrade, in 1919, marks the definition of orthopedics as a separate branch of surgery. In addition to Dr Nikola Krstic, Dr Borivoje Lalovic and Temp. Docent Dr Borivoje Gradojevic, who published the first orthopedics textbook in Serbian in 1934, also worked at the orthopedic ward between the two world wars. The work at the orthopedic ward, which grew into a clinic in 1947, was continued by Prof. Dr Milos Simovic, Prof. Dr Svetislav Stojanovic and Prof, dr Ljubisa Boric. Their successors would have high achievements: Prof. Dr Zivojin Bumbasirevic became the only orthopedist who was a regular member of the Serbian Academy of Sciences and Arts, and Chief of Staff Dr Predrag Klisic and Prof. Dr Branko Radulovic provide impetus for further development of orthopedics by founding Specialist Orthopedics Hospital "Banjica".
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Donovan, Daniel S., Jeremy D. Podolnick, Wayne Reizner, O. Alton Barron, Louis W. Catalano, and Steven Z. Glickel. "Accuracy and Reliability of Radiographic Estimation of Volar Lip Fragment Size in PIP Dorsal Fracture-Dislocations." HAND 14, no. 6 (June 5, 2018): 797–802. http://dx.doi.org/10.1177/1558944718777831.

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Background: A cadaveric study was performed to evaluate the accuracy and reliability of radiographic estimation of the volar lip fragment size in proximal interphalangeal joint fracture-dislocations. Methods: Middle phalangeal base volar lip fractures of varying size and morphology were simulated in 18 digits. Radiographs and digital photographs of the middle phalangeal joint surface were obtained pre- and postinjury. Ten orthopedic surgeons of varying levels of training estimated the fracture size based on radiographs. The estimated joint involvement on radiograph was compared with the digitally measured joint involvement. Results: Radiographic estimation underestimated the volar lip fragment size by 9.02%. Estimations possessed high intraobserver (0.76-0.98) and interobserver (0.88-0.97) reliabilities. No differences were detected between levels of surgeon training. Conclusions: The significant underestimation of the volar lip fragment size demonstrates the lack of radiographic estimation accuracy and suggests that surgeons should be mindful of these results when making treatment plans.
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Mulders, Marjolein A. M., Monique M. J. Walenkamp, Nico L. Sosef, Frank Ouwehand, Romuald van Velde, Carel Goslings, and Niels W. L. Schep. "The Amsterdam Wrist Rules to reduce the need for radiography after a suspected distal radius fracture: an implementation study." European Journal of Trauma and Emergency Surgery 46, no. 3 (September 20, 2019): 573–82. http://dx.doi.org/10.1007/s00068-019-01194-2.

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Abstract Purpose While most patients with wrist trauma are routinely referred for radiography, around 50% of these radiographs show no fracture. To avoid unnecessary radiographs, the Amsterdam Wrist Rules (AWR) have previously been developed and validated. The aim of the current study was to evaluate the effect of the implementation of the AWR at the Emergency Department (ED). Methods In a before-and-after comparative prospective cohort study, all consecutive adult patients with acute wrist trauma presenting at the ED of four hospitals were included. Primary outcome was the number of wrist radiographs before and after implementation of the AWR. Secondary outcomes were the number of clinically relevant missed fractures, the overall length of stay in the ED, physician compliance regarding the AWR, and patient satisfaction and experience with the care received at the ED. Results A total of 402 patients were included. The absolute reduction in wrist radiographs after implementation was 15% (p < 0.001). One clinically irrelevant fracture was missed. Non-fracture patients without wrist radiography due to the AWR spent 34 min less time in the ED compared with non-fracture patients who had a wrist radiograph (p = 0.015). The physicians adhered to the AWR in 36% of patients. Of all patients who did not receive a radiographic examination of the wrist, 87% were satisfied. Conclusion Implementation of the AWR safely reduces the amount of wrist radiographs in selected patients and consequently reducing the length of stay in the ED.
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Akbar, Z., O. A. Al-Juhaishi, T. A. O. Olusa, and H. M. S. Davies. "Radiographic method for evaluation of tarsus morphometry." Comparative Exercise Physiology 15, no. 5 (December 10, 2019): 339–48. http://dx.doi.org/10.3920/cep190016.

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The equine tarsus is the most common area of the hind limb associated with lameness. Tarsal function is probably directly related to its conformation. Previous conformational measurement methods and radiological data are either limited or too specific to explain the complex tarsus conformation in different loading conditions. This study aimed to develop a consistent method to evaluate equine tarsal conformation from lateromedial radiographs. Twenty cadaveric hind limbs from 15 adult horses of different breeds were cut at the distal one third of the tibia. Hind limbs mounted in a loading rig and positioned with the metatarsus vertical were digitally radiographed. The zero-degree lateromedial (ZLM) was defined by vertical and horizontal landmarks including overlapping of the lateral and medial trochlea of the talus and a contact point between the dorsal edges of lateral and medial borders of the distal central tarsal bone. Radiographs missing these features were retaken to achieve consistent ZLM views. Specific radiographic features were selected as landmarks to develop tarsal parameters based on their clarity and their being consistently identifiable. The intra-rater repeatability of ten measurable morphometric parameters was evaluated with each radiograph measured twice with an interval of at least one month and Bland-Altman plots developed from this data. Repeat measurements did not differ significantly (Intraclass correlation coefficients (ICC) ranged from 0.731-0.966). This study provides a base for evaluation of the tarsal conformation by radiography.
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Al-Mohrej, Omar A., Sahar S. Aldakhil, Nouf F. Alsadoun, Fawaz N. Alshaalan, Abdulrahman Alomair, Bashyar Almuqbail, Mohammed S. Alqahtani, et al. "Foot and ankle radiographic angles in a normal saudi population." Journal of Musculoskeletal Surgery and Research 5 (July 2, 2021): 152–58. http://dx.doi.org/10.25259/jmsr_19_2021.

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Objectives: Radiographic reference lines, angles, and measures comprise the foundation for accurate evaluation and surgical planning of orthopedic surgeries, especially when it comes to foot and ankle deformities. To date, no study has evaluated the average parameters for foot and ankle radiography in the Saudi population. This study aimed to establish reference values of foot and ankle angles for the general Saudi population. Methods: We included 100 participants (200 feet) in this study, with 50 males and 50 females aged 21–30 years. We recruited subjects who had no history of foot or ankle pain, surgery or fracture, no evidence of ligamentous laxity, and no history of systemic disease. Bilateral anterior-posterior (AP) and lateral weight-bearing radiographs were obtained using standardized angles. A total of 19 angles on AP and 9 angles on lateral radiographs were evaluated. Radiographic parameters were compared between genders. Results: A total of 400 radiographs from 200 normal feet were evaluated. The mean ± SD age of the subjects was 22.7±1.7 years. Statistically significant differences in mean radiographic parameters were found between males and females in both radiographic projections. Conclusion: Significant variation exists between the normal foot and ankle reference angles between the Saudi population included in our study and other ethnicities. Moreover, significant differences are found between genders in our study. Considering the lack of other studies involving the Saudi population, the results of this study can help serve as a reference when evaluating Saudi patients.
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Younger, Alastair S., Bonita Sawatzky, and Peter Dryden. "Radiographic Assessment of Adult Flatfoot." Foot & Ankle International 26, no. 10 (October 2005): 820–25. http://dx.doi.org/10.1177/107110070502601006.

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Background: The accurate measurement of flatfoot on standing radiographs allows correct diagnosis of the condition and evaluation of reconstructive procedures. Method: The standing radiographic measurements of patients with symptomatic, adult flatfoot were compared to controls using blinded observers. Results: On the lateral radiograph, the talar-to-first metatarsal angle, the calcaneal pitch angle, and the medial cuneiform-fifth metatarsal height differed significantly between the patient group and the controls. The difference in the talar-to-first metatarsal angles on lateral radiographs was the most statistically significant (patient group 21.1 ±10.8 degrees and control 7.1 ± 10.7 degrees, p < 0.0001) with good correlation between readings (intraobserver 0.75, interobserver 0.83). On the anteroposterior (AP) radiograph, the talar head uncoverage distance was the most significantly different measurement between these groups. Conclusions: These findings support the hypothesis that the talar-first metatarsal angle is an accurate radiographic identifier of patients with symptomatic, adult flatfoot.
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Kumar, Dharmendra, Sudhir Singh, and Alok Kumar Yadav. "Ottawa Ankle Rule: An Indian Perspective." Journal of Foot and Ankle Surgery (Asia Pacific) 2, no. 1 (2015): 8–12. http://dx.doi.org/10.5005/jp-journals-10040-1020.

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ABSTRACT Introduction Foot and ankle injuries are common clinical conditions treated by orthopedic surgeons accounting for 6 to 12% of the patients seen in emergency. Currently, almost all patients with foot and ankle injuries undergo radiographic examination to exclude fractures; however, fewer than 15% of these patients actually have fractures, thus, most of these radiographs are unnecessary. Unwarranted radiographic examination increases the demands on the healthcare system and also results in prolonged patient waiting times. Ottawa ankle rule (OAR) evolved to reduce the number of radiography and waiting time for patients in emergency department by excluding fractures using only clinical examination. Although, it has good sensitivity but it has not been much popular and not included in medical curriculum. Aim The aim of the study is to implement the OAR in an Indian tertiary care trauma setup with two different levels of clinical examiners (1st year postgraduate junior resident and senior resident) and report the finding. Materials and methods This prospective study was done in the Department of Orthopedics, for a period of 15 months. Clinical examiners were shown and given a video presentation about the Oar and a printed copy of the rules were provided to all. Clinical diagnosis of both levels of clinical examiners were evaluated and analyzed. Results Three hundred cases met our inclusion criteria. In first clinical examination done by junior resident, 115 clinically significant fractures were suspected while senior resident suspected 69 fractures. Radiography showed 5 cases with missed fractures. Accuracy of OAR by JR is 82.33% and by SR is 97.0%. Conclusion Ottawa ankle rule are very effective and can identify all clinically relevant fractures of ankle and foot with increased accuracy and sensitivity when applied by a trauma specialists. Although, these rules can also be applied by general doctors so as to help them to screen patients who need radiography in acute ankle injury, but it is more sensitive when it is applied by specialist doctor. How to cite this article Singh S, Kumar D, Yadav AK. Ottawa Ankle Rule: An Indian Perspective. J Foot Ankle Surg (Asia- Pacific) 2015;2(1):8-12.
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Park, Byeong Seop, Chin Youb Chung, Moon Seok Park, Ki Hyuk Sung, Young Choi, Chulhee Park, Seungbum Koo, and Kyoung Min Lee. "Inverse Relationship Between Radiographic Lateral Ankle Instability and Osteochondral Lesions of the Talus in Patients With Ankle Inversion Injuries." Foot & Ankle International 40, no. 12 (August 27, 2019): 1368–74. http://dx.doi.org/10.1177/1071100719868476.

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Background: Insufficient or excessive bony constraint surrounding the talus might contribute to the occurrence of ligamentous injury or bone contusion, respectively, at the time of ankle inversion injuries. This study aimed to investigate the relationship between radiographic lateral ankle instability and osteochondral lesions of the talus (OLT) following ankle inversion injuries. Methods: A total of 195 patients (113 men and 83 women; mean age, 38.7 years) with a history of ankle inversion injuries were included in this study. All patients underwent ankle magnetic resonance imaging (MRI) and stress radiography. The tibiotalar tilt angle on varus stress radiograph, anterior translation of the talus on anterior-drawer lateral radiographs, bimalleolar tilt angle, and fibular position were radiographically determined. The radiographic lateral ankle instability was defined as tibiotalar tilt angle ≥10 degrees, and the presence of OLT was confirmed on MR images. The relationship between the radiographic lateral ankle instability and the presence of OLT was statistically analyzed. Results: The presence of radiographic lateral ankle instability (tibiotalar tilt angle ≥10 degrees) showed an inverse relationship with that of OLT in the chi-squared test ( P = .003). An increased tibiotalar tilt angle was associated with lower incidence of OLT ( P = .011) in the multiple regression analysis, and the presence of OLT was associated with a decreased tibiotalar tilt angle ( P = .016) in the binary logistic regression analysis. Conclusions: This study showed an inverse relationship between lateral ankle instability and the development of OLT following ankle inversion injury. The role of bony constraint in the development of sports injuries in the ankle should be considered with these injuries. Level of Evidence: Level III, diagnostic, comparative study.
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van Gerven, P., S. M. Rubinstein, C. Nederpelt, M. F. Termaat, P. Krijnen, M. W. van Tulder, and I. B. Schipper. "The value of radiography in the follow-up of extremity fractures: a systematic review." Archives of Orthopaedic and Trauma Surgery 138, no. 12 (August 14, 2018): 1659–69. http://dx.doi.org/10.1007/s00402-018-3021-y.

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Abstract Background The added value of routine radiography in the follow-up of extremity fractures is unclear. The aim of this systematic review was to create an overview of radiography use in extremity fracture care and the consequences of these radiographs for the treatment of patients with these fractures. Materials and methods Studies were included if they reported on the use of radiography in the follow-up of extremity fractures and on its influence on treatment strategy, clinical outcome, or complications. A comprehensive search of electronic databases (i.e., PubMed, Embase, and Cochrane) was performed to identify relevant studies. Methodological quality was assessed with the Newcastle–Ottawa scale for cohort studies. Level of evidence was assessed using GRADE. The search, quality appraisal, and data extraction were performed independently by two researchers. Results Eleven studies were included. All studies were retrospective cohorts. Of these, only two used a comparative design. Two of the included studies described fractures of both the upper and lower extremities, four studies concerned fractures of the lower extremity only, and five studies focused on fractures of the upper extremity. Pooling of data was not performed because of clinical heterogeneity. Eight studies reported on a change in treatment strategy related to radiography. Percentages ranged from 0 to 2.6%. The overall results indicated that radiographs in the follow-up of extremity fractures seldom alter treatment strategy, that the vast majority of follow-up radiographs are obtained without a clinical indication and that detection of a complication on a radiograph, in the absence of clinical symptoms, is unlikely. All included studies were regarded of a ‘very low’ level using GRADE. Conclusions Based on current literature, the added value of routine radiography in the follow-up of extremity fractures seems limited. Results, however, should be interpreted with care, considering that available evidence is of a low level.
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Lander, Sarah, Julie Michels, Anne Brayer, Sarah Obudzinski, Taylor D’amore, Mitchel Chess, Derek Wakeman, P. Christopher Cook, and James Sanders. "PEDIATRIC ORTHOPEDIC RADIOGRAPH REDUCTION: A QUALITY IMPROVEMENT INITIATIVE." Orthopaedic Journal of Sports Medicine 8, no. 4_suppl3 (April 1, 2020): 2325967120S0014. http://dx.doi.org/10.1177/2325967120s00149.

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Background: Children are more vulnerable to ionizing radiation which increases health risks later in life including cancer. An interdepartmental team developed an algorithm to guide providers ordering extremity radiographs in pediatric patients with musculoskeletal (MSK) injuries. Purpose: Reduce unnecessary pediatric radiation/extremity radiographs through development and implementation of an interdepartmental designed algorithm. Determine utility, safety, and efficacy of the algorithm through retrospective and prospective analysis. Methods: Our study was performed at an academic pediatric trauma center. An interdepartmental committee including pediatric orthopedic surgery, emergency medicine, trauma, and radiology providers created a MSK injury imaging algorithm (Figure 1). We retrospectively validated the algorithm for efficacy and safety through chart review of pediatric patients seen in the ED with MSK extremity injury, identified through CPT code, from 6/24/2016 through 8/31/2016. We determined the number of extra radiographs per patient and identified if injuries would be missed utilizing our protocol. After retrospective validation, guideline implementation was undertaken through multidisciplinary education. The imaging guideline was prospectively implemented in the pediatric ED from 6/24/2018 through 8/31/2018. We continued to prospectively evaluate through selecting one week every month over the following eight months to determine sustainability of the implemented algorithm. Results: Our interdepartmental team in 2016 developed a pediatric MSK radiograph protocol (Figure 1). A retrospective chart and radiograph review of 295 pediatric patients between 6/24/2016 through 8/31/2016 was analyzed correlating physical examination to appropriate radiographs. Utilizing the protocol, the review revealed an average of 2.75 extra radiographs per patient. No injuries were missed. Providers including orthopedic and emergency medicine attendings, mid-levels, and residents were educated through meetings, emails, and having the protocol posted and easily accessible. Our protocol was implemented 6/24/18 and underwent prospective enrollment and review through 8/31/18 which revealed a reduction to 0.72 radiographs per patient (P-value <0.001) (Figure 2). Eight month follow up revealed a sustainable reduction in extra radiographs per patient (Figure 3). Conclusion: Reduction of unnecessary radiation to pediatric patients with MSK extremity injuries was accomplished through development and implementation of a safe and effective imaging algorithm. The multidisciplinary approach combined with widespread education of pediatric providers improved buy-in driving a sustainable system improvement. [Figure: see text][Figure: see text][Figure: see text]
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Dissertations / Theses on the topic "Radiography in orthopedia"

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Landázuri, Denise Rocha Goes. "Alterações cefalométricas do perfil facial decorrentes do crescimento natural e induzidas pelo aparelho de Herbst no tratamento da classe II divisão 1, em fase pré-puberal /." Araraquara : [s.n.], 2009. http://hdl.handle.net/11449/88698.

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Orientador: Dirceu Barnabé Raveli
Banca: Arnaldo Pinzan
Banca: Ary dos Santos-Pinto
Resumo: O objetivo deste estudo cefalométrico foi avaliar as alterações no perfil facial decorrentes do crescimento natural e induzidas pelo uso do aparelho de Herbst no tratamento da má oclusão Classe II divisão 1 de Angle. A amostra foi constituída por dois grupos, com idades óssea e cronológica equivalentes, e, portanto, pertencentes aos estágios 1 e 2 de maturação esquelética (CVM). O grupo experimental foi constituído por 20 pacientes (12 meninos e 8 meninas), com média de idade inicial de 9,3 anos, que receberam tratamento com o aparelho de Herbst por 7 meses. O grupo controle foi constituído por 16 indivíduos (9 meninos e 7 meninas), com média de idade inicial de 9,1 anos, não tratados ortodonticamente e com características esqueléticas e dentárias semelhantes ao grupo experimental, derivados dos arquivos de documentações do Burlington Growth Centre da Faculdade de Odontologia, Universidade de Toronto, Canadá. Para avaliação das mudanças no perfil facial foram utilizadas telerradiografias em norma lateral iniciais e após 7 meses de tratamento no grupo experimental, e no grupo controle as radiografias foram tomadas anualmente e convertidas em 7 meses para efeitos de comparação. Os dados obtidos foram submetidos à análise estatística, realizada com teste t de Student, com nível de significância de 5%. Os resultados indicaram que o aparelho de Herbst promoveu uma redução significante da convexidade do perfil facial esquelético e de tecidos moles, aumento significante do ângulo mentolabial, além de demonstrar tendência à abertura do ângulo nasolabial. Alterações estatisticamente significantes como o aumento da altura facial anterior inferior, a retrusão do lábio superior e a protrusão do lábio inferior, assim como o aumento em comprimento deste, também foram observadas. Pode-se concluir que o uso do aparelho de Herbst induziu efeito favorável... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: The purpose of this cephalometric study was to evaluate the facial profile changes due to natural growth and induced by the Herbst appliance on treatment of Angle's Class II division 1 malocclusion. The sample consisted of two groups, matched according to osseous and chronological ages, and therefore classified as stages 1 and 2 of skeletal maturity (CVM). The experimental group consisted of 20 patients (12 boys and 8 girls), initial mean age of 9.3 years, which were treated with the Herbst appliance for 7 months. The control group consisted of 16 individuals (9 boys and 7 girls), initial mean age of 9.1 years, not treated orthodontically and with skeletal and dental characteristics similar to the experimental group, originally from Burlington Growth Centre, Faculty of Dentistry, University of Toronto, Canada. For the analysis of facial profile changes, initial and 7-month treatment follow-up lateral cephalograms were obtained for the experimental group, and for the control group the radiographs were taken annually and converted to 7 months for comparison. The data obtained were submitted to statistical analysis, performed with Student's t test, at significance level of 5%. The results showed that the use of the Herbst appliance promoted a significant reduction of skeletal and soft tissue facial profile convexity, a significant increase of the mentolabial angle, as well as demonstrating tendency to open the nasolabial angle. Statistically significant alterations as the increase of the anterior facial height, the upper lip retrusion and lower lip protrusion, as well as the increase on its length, were also observed. It can be concluded that the Herbst appliance had a favorable effect on facial profile change, which became less convex, by acting mainly on the lips and the mentolabial areas.
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Landázuri, Denise Rocha Goes [UNESP]. "Alterações cefalométricas do perfil facial decorrentes do crescimento natural e induzidas pelo aparelho de Herbst no tratamento da classe II divisão 1, em fase pré-puberal." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/88698.

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O objetivo deste estudo cefalométrico foi avaliar as alterações no perfil facial decorrentes do crescimento natural e induzidas pelo uso do aparelho de Herbst no tratamento da má oclusão Classe II divisão 1 de Angle. A amostra foi constituída por dois grupos, com idades óssea e cronológica equivalentes, e, portanto, pertencentes aos estágios 1 e 2 de maturação esquelética (CVM). O grupo experimental foi constituído por 20 pacientes (12 meninos e 8 meninas), com média de idade inicial de 9,3 anos, que receberam tratamento com o aparelho de Herbst por 7 meses. O grupo controle foi constituído por 16 indivíduos (9 meninos e 7 meninas), com média de idade inicial de 9,1 anos, não tratados ortodonticamente e com características esqueléticas e dentárias semelhantes ao grupo experimental, derivados dos arquivos de documentações do Burlington Growth Centre da Faculdade de Odontologia, Universidade de Toronto, Canadá. Para avaliação das mudanças no perfil facial foram utilizadas telerradiografias em norma lateral iniciais e após 7 meses de tratamento no grupo experimental, e no grupo controle as radiografias foram tomadas anualmente e convertidas em 7 meses para efeitos de comparação. Os dados obtidos foram submetidos à análise estatística, realizada com teste t de Student, com nível de significância de 5%. Os resultados indicaram que o aparelho de Herbst promoveu uma redução significante da convexidade do perfil facial esquelético e de tecidos moles, aumento significante do ângulo mentolabial, além de demonstrar tendência à abertura do ângulo nasolabial. Alterações estatisticamente significantes como o aumento da altura facial anterior inferior, a retrusão do lábio superior e a protrusão do lábio inferior, assim como o aumento em comprimento deste, também foram observadas. Pode-se concluir que o uso do aparelho de Herbst induziu efeito favorável...
The purpose of this cephalometric study was to evaluate the facial profile changes due to natural growth and induced by the Herbst appliance on treatment of Angle’s Class II division 1 malocclusion. The sample consisted of two groups, matched according to osseous and chronological ages, and therefore classified as stages 1 and 2 of skeletal maturity (CVM). The experimental group consisted of 20 patients (12 boys and 8 girls), initial mean age of 9.3 years, which were treated with the Herbst appliance for 7 months. The control group consisted of 16 individuals (9 boys and 7 girls), initial mean age of 9.1 years, not treated orthodontically and with skeletal and dental characteristics similar to the experimental group, originally from Burlington Growth Centre, Faculty of Dentistry, University of Toronto, Canada. For the analysis of facial profile changes, initial and 7-month treatment follow-up lateral cephalograms were obtained for the experimental group, and for the control group the radiographs were taken annually and converted to 7 months for comparison. The data obtained were submitted to statistical analysis, performed with Student’s t test, at significance level of 5%. The results showed that the use of the Herbst appliance promoted a significant reduction of skeletal and soft tissue facial profile convexity, a significant increase of the mentolabial angle, as well as demonstrating tendency to open the nasolabial angle. Statistically significant alterations as the increase of the anterior facial height, the upper lip retrusion and lower lip protrusion, as well as the increase on its length, were also observed. It can be concluded that the Herbst appliance had a favorable effect on facial profile change, which became less convex, by acting mainly on the lips and the mentolabial areas.
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OLIVEIRA, Graziela Kopinits de. "Estudo radiográfico das medidas da patela e do sulco troclear em cães toys hígidos e portadores de luxação patelar medial graus II e III." Universidade Federal Rural de Pernambuco, 2016. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5170.

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Medial patellar dislocation is a common condition in small dogs and should be diagnosed and treated as early as possible in order to prevent further deformities and secondary osteoarthritis. The objective of this article was to study the measures and the anatomic relationships of the trochlear groove and patella in radiographic examinations of healthy dogs predisposed to medial patellar dislocation breeds, analyzing and comparing with the trochlear groove and patellar of patients with such disease. 40 knees of predisposed pure breeds dogs were used which were divided into two groups: group 1 (G1) consisting of 18 knees that do not show patellar dislocation and group 2 (G2) consisting of 22 knees showing patella in the medial grade II or III. Depth and width trochlear groove, height and thickness of the patella, a percentage of the patella in the groove, groove angle troclear were measured and calculated the ratios of patellar width and trochlear groove and depth of the trochlear groove and thickness of the patella. All parameters studied showed statistically significant differences, in comparison between healthy and affected dogs, compared to being evaluated by Student's t test. Through evaluation and measurements on radiographs G1 dogs, it were developed predictor formulas of broadening (Lsd = Lpp/0,89 – Lsp) and deepening (Psd = 0,65Ep –Psp) required the trochlear groove to perform trochleoplasty block.
Luxação medial da patela é uma afecção comum em cães de pequeno porte, devendo ser diagnosticada e tratada o mais cedo possível com objetivo de evitar maiores deformações e alterações articulares secundárias. O objetivo deste trabalho foi estudar as medidas e as relações anatômicas do sulco troclear e da patela através de exames radiográficos de cães sadios de raças predispostas à luxação patelar medial, analisando e comparando com o sulco troclear e patela de pacientes portadores desta enfermidade. Foram utilizados 40 joelhos de cães de raças predispostas que foram divididos em dois grupos, sendo o grupo 1 (G1) composto de 18 joelhos que não apresentavam luxação de patela e o grupo 2 (G2) composto de 22 joelhos que apresentem luxação de patela medial em graus II ou III. Foram realizadas mensurações de profundidade e largura do sulco troclear, altura e espessura da patela, percentual da patela dentro do sulco, ângulo do sulco troclear, sendo calculadas as razões entre largura patelar e do sulco troclear e profundidade do sulco troclear e espessura da patela. Todos os parâmetros estudados demonstraram diferença estatística significativa, na comparação entre cães sadios e portadores da afecção, ao serem avaliadas pelo teste t de Student. Através dessas medições realizadas nas radiografias dos cães do G1 foram desenvolvidas fórmulas preditivas do alargamento (Lsd = Lpp/0,89 – Lsp) e aprofundamento (Psd = 0,65Ep –Psp) do sulco troclear, para realização de trocleoplastia em bloco.
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CHIORATTO, Ricardo. "Exame radiográfico transoperatório na cirurgia ortopédica de cães e gatos." Universidade Federal Rural de Pernambuco, 2010. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5831.

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The use of radiographic visualization of static procedure using, are guiding means to transoperatory implantation of orthopedic element, especially where direct visualization is not possible. The aim of this study was verify, the provents of the transoperatory radiographic procedure in surgery of bone fractures, of dogs and cats. A total of 100 animals, 81 dogs and 19 cats with bone fractures, were used. The first x-ray was obtained after the surgeon had reduced the fracture and/or positioned the metal implants. From the analysis of this transsurgical exam and osseous estructures, if the metalic implants and bone reductions were in absolute accuracy with the principles of orthopedic surgery, the surgeon would conclude the surgery, but if these were not in appropriate place, the necessary arrangements had to be made to relocate it in the right place, and thus more transoperatory radiographic exams were made up the observation of the perfect alignment, positioning or coaptation of fractures and the correct placement of orthopedic implants .It was found that after the transoperatory radiographic examination additional adjustments were necessary for repositioning of metallicimplants and/or bone structures in 95% of procedures. In view of the results, we can conclude that the use of transoperatory radiographic examination in orthopedic surgery of dogs and cats, regardless of the surgeon, animal species or fractured bone is important on the final result of the reductions and stabilizations of fractures, allowing greater efficiency in the placement of the osseous fragments and surgical implants. More specifically in the closed stabilizations or through minimal invasive approach, with the insertion of intramedullary pins and in the cominutive and obliquous type located in the humerus, tibia and calcaneus.
A utilização de imagem radiográfica estática durante o procedimento cirúrgico é um meio de orientação transoperatória que proporciona maior precisão na colocação de implantes ortopédicos, bem como a avaliação do grau de coaptação e estabilização dos fragmentos da fratura, principalmente nas reduções fechadas, onde a visualização direta não é possível. Este trabalho teve como objetivo verificar a utilidade do exame radiográfico transoperatório na cirurgia reparadora de fraturas, previamente diagnosticadas, em cães e gatos. Foram utilizados 100 animais, 81 cães e 19 gatos, com fraturas ósseas, sendo obtido o primeiro exame radiográfico logo após o cirurgião ter reduzido à fratura e posicionado os implantes metálicos. A partir da análise dos exames transoperatórios, se os implantes metálicos e as reduções ósseas estivessem em absoluta exatidão com os princípios da cirurgia ortopédica, o cirurgião concluiria a cirurgia; caso contrário seriam tomadas as providências necessárias para reposicioná-los corretamente, devendo-se assim realizar mais exames radiográficos transoperatórios até a observação do perfeito alinhamento, aposicionamento ou coaptação dasfraturas e a apropriada localização dos implantes ortopédicos. Foi verificado que após o primeiro exame radiográfico transoperatório foram necessários ajustes adicionais para reposicionamento dos implantes metálicos e ou estruturas ósseas em 95% dos procedimentos. Pode-se concluir que a utilização desse exame em ortopedia de cães e gatos, independente da espécie é importante, no resultado final das reduções e estabilizações de fraturas, por possibilitar uma maior precisão no posicionamento dos fragmentos ósseos e dos implantes, principalmente nas estabilizações fechadas ou por abordagem minimamente invasiva, com inserção de pinos intramedulares, e nas do tipo oblíqua e cominutiva e nas situadas no úmero, tíbia e calcâneo.
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Coelho, Ana Isabel de Araújo. "A 3D computer assisted Orthopedic Surgery Planning approach based on planar radiography." Master's thesis, 2015. http://hdl.handle.net/1822/40867.

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Dissertação de mestrado integrado em Engenharia Biomédica (área de especialização em Informática Médica)
The main goal of this work consisted in develop a system to perform the 3D reconstruction of bone models from radiographic images. This system can be then integrated with a commercial software that performs pre-operative planning of orthopedic surgeries. The benefit of performing this 3D reconstruction from planar radiography is that this modality has some advantages over other modalities that perform this reconstruction directly, like CT and MRI. To develop the system it was used radiographic images of the femur obtained from medical image databases online. It was also used a generic model of the femur available in the online repository BEL. This generic model completes the information missing in the radiographic images. It was developed two methods to perform the 3D reconstruction through the deformation of the generic model, one uses triangulation of extracted edge points and the other don't. The first method was not successful, the final model had very low thickness, possibly because the triangulation process was not performed correctly. With the second method it was obtained a 3D bone model of the femur aligned with the radiographic images of the patient and with the same size as the patient's bone. However, the obtained model still needs some adjustment to coincide fully with reality. To perform this is necessary to enhance the deformation step of the model so that it will have the same shape as the patient's bone. The second method is more advantageous because it doesn't need the parameters of the x-ray imaging system. However, it's necessary to enhance the step deformation of this method so that the final model matches patient's anatomy.
O principal objetivo deste trabalho consistiu em desenvolver um sistema capaz de realizar a reconstrução 3D de modelos ósseos a partir de imagens radiográficas. Este sistema pode posteriormente ser integrado num produto comercial que realiza o planeamento pré-operativo de cirurgias ortopédicas. O benefício de realizar esta reconstrução 3D a partir de radiografias está relacionado com o facto desta modalidade ter vantagens em relação às outras modalidades que fazem esta reconstrução diretamente, como as modalidades CT e MRI. Para desenvolver este sistema foram usadas imagens radiográficas do fémur obtidas através de bases de dados online de imagens médicas. Também foi usado um modelo genérico do fémur disponível no repositório online BEL. Este modelo genérico completa a informação que está em falta nas imagens radiográficas. Foram desenvolvidos dois métodos, que realizam a reconstrução 3D através da deformação do modelo genérico sendo que num é feita a triangulação de pontos dos contornos e noutro não. O primeiro método não foi bem sucedido, visto que o modelo final tinha uma espessura muito pequena, possivelmente devido ao facto do processo de triangulação não ter sido executado corretamente. Com o segundo método foi obtido um modelo 3D do fémur alinhado com as imagens radiográficas do paciente e com o mesmo tamanho do osso do paciente. No entanto, o modelo obtido carece ainda de alguma afinação de modo a coincidir na íntegra com a realidade. Para fazer isto é necessário melhorar o passo de deformação do modelo, para que este fique com a mesma forma do osso do paciente. O segundo método é mais vantajoso porque não necessita dos parâmetros dos sistema de raios- X. No entanto, é necessário melhorar o passo de deformação deste método para que o modelo final coincida com a anatomia do paciente.
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Sunder, Roshnee. "A determination of normal reference ranges for bone mineral density for Indian women of varying age groups in KZN : the impact of local data on the diagnosis of osteoporosis." Thesis, 2006. http://hdl.handle.net/10321/320.

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Thesis (M.Tech.: Radiography) - Dept. of Radiography, Durban University of Technology, 2006 xxiv, 214 leaves, Annexures A-L
The aim of this research was to determine normal bone mineral density (BMD) reference ranges (means and standard deviations) for the lumbar spine, total hip and distal forearm, for Indian women of varying age groups in KwaZulu-Natal. The aim also included a comparison of the study population reference ranges with those provided by the manufacturer in order to evaluate any diagnostic implications.
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Books on the topic "Radiography in orthopedia"

1

Orthopaedic radiology: Pattern recognition and differential diagnosis. 2nd ed. London: Martin Dunitz, 1998.

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Renton, Peter. Orthopaedic radiology: Pattern recognition and differential diagnosis. London: Martin Dunitz, 1990.

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Weissman, Barbara. Orthopedic radiology. Philadelphia: Saunders, 1986.

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Greenspan, Adam. Orthopedic radiology: A practical approach. New York: Gower Medical, 1988.

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Orthopedic radiology: A practical approach. 3rd ed. Philadelphia: Lippincott Williams & Wilkins, 2000.

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F, Moore Thomas, ed. Atypical orthopedic radiographic procedures. St. Louis: Mosby-Year Book, 1993.

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Pediatric orthopedic radiology. 2nd ed. Philadelphia: Saunders, 1992.

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Stoker, Dennis J. Orthopedics. Littleton, Mass: PSG Publishing, 1988.

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Edward, Farrar, and Kilcoyne R. F, eds. Handbook of orthopedic terminology. Boca Raton: CRC Press, 1991.

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A, Rafert John, ed. Orthopaedic radiography. Philadelphia: W.B. Saunders, 1995.

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Book chapters on the topic "Radiography in orthopedia"

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Pettersson, H., and K. Jonsson. "Radiography." In Orthopedic Imaging, 3–11. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-60295-5_1.

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Frassica, Frank J., Renee Genoa, and Gregory Osgood. "Characteristic Radiographic Appearances." In Passport for the Orthopedic Boards and FRCS Examination, 1079–89. Paris: Springer Paris, 2015. http://dx.doi.org/10.1007/978-2-8178-0475-0_50.

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Jaramaz, B., and K. Eckman. "Measuring Cup alignment from Radiographs after THR." In Navigation and MIS in Orthopedic Surgery, 586–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-36691-1_77.

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Heydemann, John A., Brian E. Kaufman, and Suken A. Shah. "Spinal Cord Injury Without Radiographic Abnormalities (SCIWORA)." In Pediatric Orthopedic Trauma Case Atlas, 1–5. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-28226-8_75-1.

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Heydemann, John A., Brian E. Kaufman, and Suken A. Shah. "Spinal Cord Injury Without Radiographic Abnormalities (SCIWORA)." In Pediatric Orthopedic Trauma Case Atlas, 469–73. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-29980-8_75.

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Tileston, Kali, and Steven Frick. "TRASH (The Radiographic Appearance Seemed Harmless) Lesions About the Elbow." In Pediatric Orthopedic Trauma Case Atlas, 1–5. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-28226-8_157-1.

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Tileston, Kali, and Steven L. Frick. "TRASH (The Radiographic Appearance Seemed Harmless) Lesions About the Elbow." In Pediatric Orthopedic Trauma Case Atlas, 141–45. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-29980-8_157.

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Hoover, Kevin B., and Tim B. Hunter. "Joint Arthroplasties and Prostheses." In Musculoskeletal Imaging Volume 1, edited by Kevin B. Hoover, 203–16. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780190938161.003.0046.

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Chapter 46 discusses joint arthroplasties and prostheses. Replacement of a native joint is often the definitive treatment of joint pain that does not respond to conservative measures. Joint replacement is the next most common orthopedic procedure after fracture reduction and fixation. Joint replacement anatomically may be total, partial, or compartmental. Regarding movement, it may be constrained, semiconstrained, or unconstrained. Radiography is the initial step in imaging evaluation with other modalities, especially CT and MRI, used when radiographs are inconclusive. Radiographs can detect particle disease, however, the damage caused by granulomas or pseudotumors are best evaluated with MRI using metal artifact reduction software (MARS).
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Garkal, GS. "Atypical Orthopedic Radiographic Techniques." In Radiology of Positioning and Applied Anatomy (For Students and Practitioners), 119. Jaypee Brothers Medical Publishers (P) Ltd., 2000. http://dx.doi.org/10.5005/jp/books/11605_7.

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Semple-Hess, Janet. "Pediatric Orthopedic Emergencies." In Pediatric Emergencies, 410–42. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780190073879.003.0037.

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Children’s bones, due to their continual maturity during childhood and into late adolescence and their unique features such as growth plates, can present a challenge to the emergency physician. Interpretation of radiographs when looking for fractures in growing children, as well as deciding on treatment and determining whether to employ surgical versus nonsurgical management, requires knowledge of the patterns of injury in children. This chapter discusses these injuries as well as fractures related to child abuse, overuse injuries, back pain in children, radial head subluxation, slipped capital femoral epiphyses, avulsion fractures of the pelvis, Perthes disease, and infectious diseases (osteomyelitis and septic arthritis).
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Conference papers on the topic "Radiography in orthopedia"

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Huda, Walter, W. J. Montgomery, Manuel Arreola, Beverly A. Hoyle, and C. H. Bush. "Importance of computed radiography image display parameters in orthopedic imaging." In Medical Imaging 1993, edited by Yongmin Kim. SPIE, 1993. http://dx.doi.org/10.1117/12.146960.

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JN, Forbes, Frederick SW, and Cross AR. "Is Recheck Radiographic Examination Warranted following TPLO?" In Abstracts of the 47th Annual Conference of the Veterinary Orthopedic Society. Georg Thieme Verlag KG, 2020. http://dx.doi.org/10.1055/s-0040-1712889.

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Suarez-Fuentes, D. G., and D. M. Tatarniuk. "Clinical and Radiographic Features of Septic Physitis in Foals." In Abstracts of the 46th Annual Conference of the Veterinary Orthopedic Society. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1692236.

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Suarez-Fuentes, D. G., M. Andres, and E. G. Porter. "Description of the Anatomical Landmarks for Measuring Intravertebral and Intervertebral Sagittal Diameter Ratios on Equine Cervical Radiographs." In Abstracts of the 46th Annual Conference of the Veterinary Orthopedic Society. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1692250.

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JL, Peterson, Torres BT, Hutcheson KD, and Fox DB. "Radiographic Determination of Canine Femoral Alignment in the Sagittal Plane: A Cadaveric Pilot Study." In Abstracts of the 47th Annual Conference of the Veterinary Orthopedic Society. Georg Thieme Verlag KG, 2020. http://dx.doi.org/10.1055/s-0040-1712866.

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Kuzminsky, J. M., C. C. Hudson, and B. Beale. "Retrospective Evaluation of Radiographic Outcome following Surgical Stabilization of Humeral Condylar Y-Fractures in Dogs." In Abstracts of the 46th Annual Conference of the Veterinary Orthopedic Society. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1692277.

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DW, Walmsley, Kudnig ST, and A. Wallace. "Quantitative Radiographic Measurement of Stifle Effusion-Synovitis as a Predictor for Cruciate and Meniscal Disease in Dogs." In Abstracts of the 47th Annual Conference of the Veterinary Orthopedic Society. Georg Thieme Verlag KG, 2020. http://dx.doi.org/10.1055/s-0040-1712883.

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Gamage, P., S. Q. Xie, P. Delmas, and P. Xu. "3D Reconstruction of Patient Specific Bone Models from 2D Radiographs for Image Guided Orthopedic Surgery." In 2009 Digital Image Computing: Techniques and Applications. IEEE, 2009. http://dx.doi.org/10.1109/dicta.2009.42.

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Moore, E. V., R. Weeren, M. D. Towson, and M. Paek. "Extended Long-Term Radiographic Comparison of Tibial Plateau Leveling Osteotomy versus Tibial Tuberosity Advancement for Cranial Cruciate Ligament Rupture in the Dog." In Abstracts of the 46th Annual Conference of the Veterinary Orthopedic Society. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1692280.

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Jiang, Feifei, Jie Chen, David E. Komatsu, and Shuning Li. "Healing Progress of Fractured Bone: A Longitudinal Study." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-204787.

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In orthopedics research, assessment of fracture healing progress is vital for evaluating treatment strategies and drug effects. Currently, biomechanical testing represents the ‘gold standard’ for determining the extent of healing, with the parameters of stiffness and strength most often reported. Unfortunately, such testing requires destructive examination of samples, which allows healing to be checked at only one time-point per animal. Thus, evaluation of healing requires large sample sizes to achieve statistical power. In contrast, longitudinal studies of individual animals allows for self-comparison, which is more reliable, and can be used to evaluate bone healing as time elapses. Recently, longitudinal radiographic assessment of bone healing in rats, using parameters such the level of bone mineralization, morphological changes, and distribution of the mineralized bone, has been reported. However, the ability to quantify the biomechanical properties of healing bones based on longitudinal radiographic images provides an tremendous opportunity to increase the value of such studies.
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