Academic literature on the topic 'Radiographic healing'
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Journal articles on the topic "Radiographic healing"
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Kang, Sumi, Se-Won Ha, Ukseong Kim, Sunil Kim, and Euiseong Kim. "A One-Year Radiographic Healing Assessment after Endodontic Microsurgery Using Cone-Beam Computed Tomographic Scans." Journal of Clinical Medicine 9, no. 11 (2020): 3714. http://dx.doi.org/10.3390/jcm9113714.
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This study aimed to evaluate one-year radiographic healing after endodontic microsurgery using CBCT with modified PENN 3D criteria and to compare the outcome with results evaluated using Molven’s criteria. A total of 107 teeth from 96 patients were evaluated one year after endodontic microsurgery by using CBCT scans with modified PENN 3D criteria and periapical radiographs with Molven’s criteria. Both preoperative and postoperative lesion volumes were calculated using ITK-SNAP (free software). Radiographic healing assessment using periapical radiographs and CBCT images, and preoperative and postoperative lesion volume measurements were performed independently by two examiners. The assessment using Molven’s criteria resulted in 75 complete healings, 18 incomplete healings, eight uncertain healings, and six unsatisfactory healings. Based on modified PENN 3D criteria, 64 teeth were categorized as complete healing, 29 teeth as limited healing, six teeth as uncertain healing, and eight teeth as unsatisfactory healing. With the one-year follow-up, CBCT scans showed a lower healing tendency than did periapical radiography. The volumes of apical radiolucency after the surgery were reduced by 77.7% on average at one-year follow up.
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Danielson, Briana, Matthew Barnhart, Adam Watson, Shawn Kennedy, and Steve Naber. "Short-Term Radiographic Complications and Healing Assessment of Single-Session Bilateral Tibial Tuberosity Advancements." Journal of the American Animal Hospital Association 52, no. 2 (2016): 109–14. http://dx.doi.org/10.5326/jaaha-ms-6194.
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The objective of this study is to report on the short-term radiographic complications and bone healing associated with single-session bilateral tibial tuberosity advancements (TTAs). This retrospective study consists of 74 client-owned dogs with bilateral cranial cruciate ligament rupture that underwent consecutive single-session bilateral TTAs. Radiographs from 74 dogs (148 stifles) were evaluated for evidence of postoperative complications. One hundred forty-three of 148 stifles were scored for radiographic healing using a previously described scoring system. Variables evaluated for a relationship with radiographic complications and healing scores were: breed, age, body weight, sex, and TTA plate type. The overall radiographic complication rate was 17.6% (13/74). Twelve of the 13 radiographic complications were considered to be minor and one was major. Increasing body weight and use of a fork implant were statistically significant factors associated with an increased risk of complication. One hundred forty-three stifle radiographs met the inclusion criteria to be assessed for healing. The mean score was 2.96 out of 4.0. The overall radiographic complication rate and healing scores associated with single-session bilateral TTAs were found to be similar to those described for unilateral TTA.
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Wall, Eric J., Matthew D. Milewski, James L. Carey, et al. "The Reliability of Assessing Radiographic Healing of Osteochondritis Dissecans of the Knee." American Journal of Sports Medicine 45, no. 6 (2017): 1370–75. http://dx.doi.org/10.1177/0363546517698933.
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Background: The reliability of assessing healing on plain radiographs has not been well-established for knee osteochondritis dissecans (OCD). Purpose: To determine the inter- and intrarater reliability of specific radiographic criteria in judging healing of femoral condyle OCD. Study Design: Cohort study (Diagnosis); Level of evidence, 3. Methods: Ten orthopedic sports surgeons rated the radiographic healing of 30 knee OCD lesions at 2 time points, a minimum of 1 month apart. First, raters compared pretreatment and 2-year follow-up radiographs on “overall healing” and on 5 subfeatures of healing, including OCD boundary, sclerosis, size, shape, and ossification using a continuous slider scale. “Overall healing” was also rated using a 7-tier ordinal scale. Raters then compared the same 30 pretreatment knee radiographs in a stepwise progression to the 2-, 4-, 7-, 12-, and 24-month follow-up radiographs on “overall healing” using a continuous slider scale. Interrater and intrarater reliability were assessed using intraclass correlations (ICC) derived from a 2-way mixed effects analysis of variance for absolute agreement. Results: Overall healing of the OCD lesions from pretreatment to 2-year follow-up radiographs was rated with excellent interrater reliability (ICC = 0.94) and intrarater reliability (ICC = 0.84) when using a continuous scale. The reliability of the 5 subfeatures of healing was also excellent (interrater ICCs of 0.87-0.89; intrarater ICCs of 0.74-0.84). The 7-tier ordinal scale rating of overall healing had lower interrater (ICC = 0.61) and intrarater (ICC = 0.68) reliability. The overall healing of OCD lesions at the 5 time points up to 24 months had interrater ICCs of 0.81-0.88 and intrarater ICCs of 0.65-0.70. Conclusion: Interrater reliability was excellent when judging the overall healing of OCD femoral condyle lesions on radiographs as well as on 5 specific features of healing on 2-year follow-up radiographs. Continuous scale rating of OCD radiographic healing yielded higher reliability than the ordinal scale rating. Raters showed substantial to excellent agreement of OCD overall radiographic healing measured on a continuous scale at 2, 4, 7, 12, and 24 months after starting treatment.
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Litrenta, Jody, Paul Tornetta, Samir Mehta, et al. "Determination of Radiographic Healing." Journal of Orthopaedic Trauma 29, no. 11 (2015): 516–20. http://dx.doi.org/10.1097/bot.0000000000000390.
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Shekhar, Vijay, and K. Shashikala. "Cone Beam Computed Tomography Evaluation of the Periapical Status of Nonvital Tooth with Open Apex Obturated with Mineral Trioxide Aggregate: A Case Report." Case Reports in Dentistry 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/714585.
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Management of a tooth with open apex is a challenge to the dental practitioners. Evaluation of the periapical healing is required in such cases by radiographic techniques. The objective of this paper was to assess the healing of a periapical lesion in a non-vital tooth with open apex treated with mineral trioxide aggregate (MTA) obturation using cone beam computed tomography (CBCT). The endodontic treatment of a fractured non-vital discolored maxillary left lateral incisor with an open apex was done with MTA obturation. The clinical and radiographic followup done regularly showed that the tooth was clinically asymptomatic and that the size of the periapical lesion observed by intraoral periapical (IOPA) radiographs and CBCT was decreased remarkably after two years. CBCT and IOPA radiographs were found to be useful radiographic tools to assess the healing of a large periapical lesion in a non-vital tooth with open apex managed by MTA obturation.
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McDonald, Elizabeth, Brian Winters, Rachel Shakked, David Pedowitz, Steven Raikin, and Joseph Daniel. "Effect of Post-Operative Toradol Administration on Bone Healing After Ankle Fracture Fixation." Foot & Ankle Orthopaedics 2, no. 3 (2017): 2473011417S0002. http://dx.doi.org/10.1177/2473011417s000288.
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Category: Ankle, Trauma Introduction/Purpose: Ketorolac has been reported to delay bone healing when administered after spine surgery, and there is hesitancy to use non-steroidal anti-inflammatories (NSAIDs) in the fracture setting despite its reliable ability to relieve surgical pain. The effect of ketorolac administration after foot and ankle surgery has not been well-defined in the literature to date. The purpose of this study is to report clinical and radiographic outcomes for patients treated with a perioperative ketorolac regimen after open reduction and internal fixation (ORIF) of ankle fractures. A secondary purpose is to determine whether there are other patient factors that affect radiographic healing in this population. We hypothesize that the time to radiographic healing with ketorolac use after ORIF of ankle fractures is no different than a historical control. Methods: A retrospective chart review was performed on all patients that received perioperative ketorolac at the time of lateral malleolar, bimalleolar, and trimalleolar ankle ORIF by a single surgeon between 2010 and 2016 with minimum 4 months follow-up. Patients were prescribed 5 days of 10 mg ketorolac every 6 hours. Radiographs were evaluated independently by two blinded fellowship-trained foot and ankle surgeons to assess for radiographic healing of lateral malleolus, medial malleolus, and posterior malleolus fractures at 6, 12, and 16 weeks post-operatively. Two hundred and ninety-four patients were included with an average age of 50 years with 138 males (47%). Literature review was performed to determine an appropriate historical control of time to radiographic healing after ankle ORIF for comparison. Statistical analysis consisted of a linear mixed-effects regression which was performed to estimate the effect of time and covariates, taking into account repeated measurements on the same subject. Results: Radiographic healing was demonstrated by 16 weeks in 221 of 281 (79%) lateral malleolus fractures, 105 of 132 medial malleolus fractures (80%), and 53 of 57 (93%) posterior malleolus fractures (see Figure 1). Median healing times were 12, 11, and 6 weeks for lateral, medial, and posterior malleoli fractures respectively. There was no significant difference in time to radiographic healing of lateral malleolus when compared to a historical control of 16.7 weeks to union. Active tobacco use was an independent risk factor for delayed radiographic healing (p < 0.05). Diabetes mellitus and age greater than 50 years were independent factors associated with faster healing of the lateral malleolus fractures (p < 0.05). Rheumatoid arthritis, oral steroid use, and obesity had no effect on radiographic healing. Conclusion: Perioperative ketorolac use did not affect radiographic healing of ankle fractures after ORIF. As expected, active tobacco use was associated with slower radiographic healing. There is no evidence that ketorolac use further delayed union in smokers, but this may warrant further study. We unexpectedly identified diabetes mellitus and older age as factors associated with faster healing which also warrants further study. This is the first study to date examining the effect of ketorolac on radiographic time to union of ankle fractures. Further study may help determine whether ketorolac helps reduce opioid consumption and improve pain following ORIF of ankle fractures.
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Bush, M. A., C. Whiting, S. J. Langley-Hobbs, and J. V. Hermer. "Healing of patellar fractures in two kittens." Veterinary and Comparative Orthopaedics and Traumatology 25, no. 02 (2012): 155–59. http://dx.doi.org/10.3415/vcot-11-04-0055.
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SummaryTwo kittens aged between four and five months were presented having sustained patellar fractures. In both cases, healing was subsequently documented radiographically; this has not been reported previously in the literature.One kitten had bilateral patellar fractures – the symptomatic right stifle was treated with a pin and tension-band-wire which later failed, at which point partial patellectomy was performed. The fracture of the left patella was minimally displaced and was treated conservatively. A radiograph of the left patella taken eleven months after initial presentation showed complete healing of the fracture. The second case was treated surgically with a circumferential wire; healing of the fracture was demonstrated radiographically at twelve weeks postoperatively. Radiographic images taken five weeks postoperatively had shown some narrowing of the fracture gap.These two cases demonstrate that bony union of patellar fractures can be documented, given a long enough duration of radiographic follow-up; circumferential wire was an effective treatment in a displaced fracture, and conservative treatment resulted in complete healing of a minimally displaced fracture.
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Ramski, David E., Theodore J. Ganley, and James L. Carey. "A Radiographic Healing Classification for Osteochondritis Dissecans of the Knee Provides Good Interobserver Reliability." Orthopaedic Journal of Sports Medicine 5, no. 12 (2017): 232596711774084. http://dx.doi.org/10.1177/2325967117740846.
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Background: Recent studies have examined radiographic factors associated with healing of osteochondritis dissecans (OCD) lesions of the knee. However, there is still no gold standard in determining the healing status of an OCD lesion. Purpose: We examined temporally associated patterns of healing to (1) evaluate the practicality of a classification system and (2) elucidate any associations between healing pattern and patient age, sex, lesion location, treatment type, and physeal patency. Study Design: Cohort study (diagnosis); Level of evidence, 3. Methods: We retrospectively screened 489 patients from 2006 to 2010 for a total of 41 consecutive knee OCD lesions that met inclusion criteria, including at least 3 consecutive radiographic series (mean patient age, 12.8 years; range, 7.8-17.1 years; mean follow-up, 75.1 weeks). Radiographs were arranged in sequential order for ratings by 2 orthopaedic sports medicine specialists. Healing patterns were rated as boundary resolution, increasing radiodensity of progeny fragment, combined, or not applicable. Repeat ratings were conducted 3 weeks later. Results: Patients were most commonly adolescent males aged 13 to 17 years, with a medial femoral condyle lesion that was treated operatively. Interobserver reliability of the healing classification was good (intraclass correlation coefficient, 0.67; 95% CI, 0.55-0.79). Boundary and radiodensity healing was observed for all ages, sexes, lesion locations, treatment types, and physeal patency states. Conclusion: This study evaluated a valuable radiographic paradigm—boundary resolution, increasing radiodensity of progeny fragment, or combined—for assessment of OCD lesion healing. The proposed system of healing classification demonstrated good inter- and intraobserver reliability. Healing patterns were not significantly associated with any particular age, sex, lesion location, treatment type, or physeal patency status. The development of a classification system for knee OCD may eventually improve clinical assessment and management of OCD lesions.
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McDonald, Elizabeth, Brian Winters, Kristen Nicholson, et al. "Effect of Postoperative Ketorolac Administration on Bone Healing in Ankle Fracture Surgery." Foot & Ankle International 39, no. 10 (2018): 1135–40. http://dx.doi.org/10.1177/1071100718782489.
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Background: In an effort to minimize narcotic analgesia and its potential side effects, anti-inflammatory agents offer great potential provided they do not interfere with bone healing. The safety of ketorolac administration after foot and ankle surgery has not been well defined in the current literature. The purpose of this study was to report clinical healing and radiographic outcomes for patients treated with a perioperative ketorolac regimen after open reduction and internal fixation (ORIF) of ankle fractures. Methods: A retrospective review was performed on all patients that received perioperative ketorolac at the time of lateral malleolar, bimalleolar, and trimalleolar ankle ORIF by a single surgeon between 2010 and 2016 with minimum 4 months follow-up. Patients received 20 tablets of 10 mg ketorolac Q6 hours. Radiographs were evaluated independently by 2 blinded fellowship-trained orthopedic foot and ankle surgeons to assess for radiographic healing. A total of 281 patients were included, with a median age of 51 years and 138 males (47%). Statistical analysis consisted of a linear mixed-effects regression. Results: In all, 265/281 (94%) were clinically healed within 12 weeks and 261/281 (92%) were radiographically healed within 12 weeks. Within the group of patients that did not heal within 12 weeks, mean time to clinical healing was 16.9 weeks (range = 14-25 weeks), and mean time to radiographic healing was 17.1 weeks (range = 14-25 weeks). In patients taking ketorolac, there were no cases of nonunion in our series (n = 281) and no significant difference found between fracture patterns and healing or complications ( P = .500). Conclusions: Perioperative ketorolac use was associated with a high rate of fracture union by 12 weeks. This is the first study to examine the effect of ketorolac on radiographic time to union of ankle fractures. Additional studies are necessary to determine whether ketorolac helps reduce opioid consumption and improve pain following ORIF of ankle fractures. Level of Evidence: Level IV, case series.
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Farrow, Charles S. "CALVING CHAIN FRACTURES: Radiographic Assessment of Healing." Veterinary Clinics of North America: Food Animal Practice 15, no. 2 (1999): 221–30. http://dx.doi.org/10.1016/s0749-0720(15)30179-1.
Full textDissertations / Theses on the topic "Radiographic healing"
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Polinsky, Adam S. "Evaluation and Comparison of Periapical Healing Using Periapical Films and Cone Beam Computed Tomography: Post-Treatment Follow Up." VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/5767.
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Purpose: The purpose of this study was to assess the radiographic changes in periapical status and analysis of healing determined using periapical radiographs (PA) versus cone beam computed tomography (CBCT) pre-operatively and at 3-64 months following endodontic treatment.
Methods: Pre/post treatment radiograph and CBCT scans of patients who had NSRCT, NSReTx, or SRCT from July 2011-December 2018 at VCU Graduate Endodontic clinic were included in this study. Volumetric and linear measurements of periapical lesions on initial and recall PA and CBCT images were performed using three calibrated examiners. Changes and differences in the estimated area from PA to CBCT were compared using the Wilcoxon signed-rank test. McNemar’s chi-squared test was used to determine agreement in the proportion of lesions that were absent (0x0) between the PA and corresponding view of CBCT. This data was used to calculate the sensitivity, specificity, positive predictive value (PPV), and negative predicative value (NPV).
Results: A total of 51 patients with a median healing time of 13 months were included in the analysis. Significant healing was observed on both PA and CBCT images (p-value
Conclusion: Assessment using CBCT revealed a lower healing rate for all treatment categories compared with periapical radiographs. CBCT was more likely to detect the presence of a PARL, whereas a periapical radiograph would be less sensitive to detection of a PARL. Significant healing cannot be detected at an earlier point in time with PA radiographs or CBCT.
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Christersson, Albert. "Fractures of the distal radius : Factors related to radiographic evaluation, conservative treatment and fracture healing." Doctoral thesis, Uppsala universitet, Ortopedi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-312931.
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Distal radius fractures (DRFs) are one of the most common injuries encountered in orthopaedic practise. Such fractures are most often treated conservatively, but surgical treatment has become increasingly common. This trend is not entirely scientifically based The aims of this thesis were threefold: to increase measurement precision in dorsal angulation (DA) on radiographs and computer tomographies (CTs); to assess the results after shortened plaster cast fixation time in reduced DRFs; and to evaluate the feasibility and safety of applying Augment® (rhPDGF-BB/β-TCP) in DRFs. In Paper I and Appendix 1 and 2, a semi-automatic CT-based three-dimensional method was developed to measure change in DA over time in DRFs. This approach proved to be a better (more sensitive) method than radiography in determining changes in DA in fractures of the distal radius. In Paper II, a CT model was used to simulate lateral radiographic views of different radial directions in relation to the X-ray. Using an alternative reference point on the distal radius, precision and accuracy in measuring DA was increased. Paper III and IV are based on a prospective and randomised clinical study (the GitRa trial) that compares clinical and radiographic outcomes after plaster cast removal at 10 days versus 1 month in 109 reduced DRFs. Three patients in the early mobilised group were excluded because of fracture dislocation (n=2) or a feeling of fracture instability (n=1). For the remaining patients in the early mobilised group (51/54) a limited but temporary gain in range of motion, but a slight increase in radiographic displacement were observed. Our results suggest that plaster cast removal at 10 days after reduction of DRFs is not feasible. Paper V is based on a prospective, randomised clinical study (the GEM trial) in which 40 externally fixated DRFs were randomised to rhPDGF-BB/β-TCP into the fracture gap or to the control group. Augment® proved to be convenient and safe during follow-up (24 weeks). However, because of the nature of the study design, the effect on fracture healing could not be determined. A decrease in pin infections was seen in the Augment® group, a finding we could not explain.
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Messer, Diana Lynn. "Variables Influencing Time Since Injury of Pediatric Healing Fractures; Radiographic Assessment and Implications for Child Physical Abuse." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1574408203228578.
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Dew, Terry Lee. "The healing of an autogenous osteochondral graft and a full thickness cartilage defect in the canine talus : compared by functional, radiographic and histological assessment /." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08142009-040318/.
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Chehade, Mellick Joseph. "Bone resonance analysis, histomorphometry and the mechanics of fracture healing." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phc515.pdf.
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Dawson, Sarah P. "Digital X-ray analysis for monitoring fracture healing." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/4285.
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X-ray based evaluation of different stages of fracture healing is a well established clinical standard. However, several studies have shown plain radiography alone to be an unreliable method to assess healing. The advent of digital X-ray systems provides the potential to perform quantitative analysis on X-ray images without disrupting normal clinical practice. Two aspects were explored in this study. The first was the measurement of mechanical fracture stiffness under four point bending and axial loading. The second was the inclusion of an Aluminium step wedge to provide Aluminium-equivalent thickness calibration information. Mechanical sti ness studies involved the development of equipment to perform four point bending on intra-medullary (IM) nailed tibial fractures, equipment to perform axial loading on conservatively treated humeral fractures, and fracture models to ex- amine the developed systems. Computational procedures to automatically measure the angle and offset occurring at the fracture site by comparing loaded and unloaded X-ray images were developed utilising cross-correlation. The apparatus and procedures were tested using the fracture models both in X-ray and using the Zwick materials testing machine. The four point bending system was applied clinically to a series of IM nailed tibial fracture patients and the axial loading system to two conservatively treated humeral fracture patients. Mechanical stiffness results showed that the apparatus worked well in the clinical radiography environment and was unobtrusive to normal practice. The developed X-ray analysis procedure provided reliable measurements. However, in the case of IM nailed tibial fractures, both angular and displacement movements were too small to be accurately assessed or to provide reliable stiffness measurements. This indicated that this patient group was possibly unsuitable for mechanical stiffness measurements or that higher loads needed to be applied to the fracture site. The case studies of conservatively treated humeral fractures showed potential in detecting movement between loaded and unloaded X-rays and using this to provide sti ness information. Further investigation is required to show that this technique has the potential to aid fracture healing monitoring. Investigation into Aluminium step wedge calibration began with the design of different step wedges and X-ray phantoms. Initial image analysis involved studying the automatic processing applied by a digital Computed Radiography (CR) Fuji sys- tem and modelling of the inhomogeneities in X-ray images as well as investigation into the effect of and correction for scatter, overlying soft tissue and bone thickness. Computational procedures were developed to semi-automatically detect the steps of the step wedge, form an exponential Aluminium step thickness to grey level calibration graph, measure soft tissue and bone thickness, and correct for the heel effect and scatter contributions. Tests were carried out on pre-clinical models and results compared to ash weight and peripheral quantitative computed tomography (pQCT). A clinical study of radial fractures was used to investigate the effectiveness of the step wedge calibration system in monitoring fracture healing changes. Results using the step wedge indicated that the calibration technique was e ective in detecting and correcting for aspects in uencing Aluminium-equivalent thickness measures. With careful processing, useful information was obtained from digital X- rays that included the Aluminium step wedge and these correlated well with existing density measures. The use of the wedge in patient images showed that small increases in Aluminium-equivalent thickness of the fracture site could be detected. This was most useful for intra-patient comparisons throughout the course of healing rather than providing quantitative measurements which were comparable to other density measures. In conclusion, this thesis shows the potential for accurate analysis of digital X- rays to aid the monitoring of healing changes in fracture patients, particularly with application of axial loading and the use of step wedge calibration.
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McCann, Aaron Jude. "Computed radiography in the quantification of bone content and morphology in the healing tibial shaft." Thesis, Queen's University Belfast, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492030.
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Image processing techniques have been devised which allow quantitative measurements of bone mineral density (BMD) and soft tissue content from clinical, single-energy Computed Radiography (CR) radiographs. Impediments to quantitative data extraction and serial comparison have been addressed, specifically the physical phenomena associated with X-ray irradiation (scatter, beam hardening, spatial beam inhomogeneity), the automated processing and digitization of the image by the CR processing unit, and variation in patient positioning between visits. Interactive image processing software has been developed which allows automated processing of clinical lower leg radiographs and extraction of serial BMD measurements at user defined regions of clinical interest. Output may be visualized in the form of absolute BMD images, colour subtraction images, time-lapse animations and parametric images. The techniques have been applied to a group of tibial shaft fracture patients treated with intramedullary nailing and llizarov frame fixation. Analysis of BMD and soft tissue content in serial images has identified significant differences in the quantities and patterns of tissue generation and loss at the fracture site and local regions. The technique has the potential to complement existing radiological methods in fracture review and other areas of study, and for use in clinical research.
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Trifylli, Georgia. "Investigation into the role of digital subtraction radiography for monitoring healing of traumatised teeth in children." Thesis, University of Manchester, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.713525.
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Roberts, C. A. "Trauma and its treatment in British antiquity : An osteoarchaeological study of macroscopic and radiological features of long bone fractures from the historic period with a comparative study of clinical radiographs." Thesis, University of Bradford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384271.
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Bianucci, Henri Chapman Jr. "Periodontal Healing of Canine Experimental Grade III Furcation Defects Treated With Autologous Fibrinogen and Resolut® Barrier Membrane." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36760.
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Experimental grade III furcation defects were developed bilaterally at the second and fourth premolars in 18 conditioned, laboratory-source, adult Beagles and maintained for 12 weeks. All defects were treated with debridement and mucoperiosteal flap repositioning alone, or with the addition of autologous fibrinogen, Resolut® barrier membrane, or autologous fibrinogen and Resolut® barrier membrane. The defects were analyzed by digital subtraction radiography, histopathologic, and histomorphometric analysis of healing at 1, 3, and 6 months post-treatment to determine: percent increase in defect bone volume, height and area, and length of periodontal regeneration along the perimeter of the defect. Comparisons at post-treatment intervals indicated significantly (P < 0.05) greater healing of debridement and autologous fibrinogen treated defects at 3 months, however by 6 months there were no significant differences in defect healing for all histomorphometric parameters. Defects receiving Resolut® were associated with significantly less root ankylosis. Defects receiving debridement alone had significantly greater increases in bone volume, as calculated with digital subtraction radiography, at 6 months post-treatment compared with groups receiving Resolut®. There was a significant correlation between regenerated bone area, bone volume, and periodontal regeneration for all treatments at 3 and 6 months post-treatment.
In this study autologous fibrinogen and Resolut® barrier membrane did not enhance the amount of periodontal healing compared with debridement only. However, Resolut® treated defects were essentially absent of root ankylosis. Therefore, canine periodontitis causing grade III furcation involvement may respond equally well to conservative periodontal surgery compared with guided tissue regenerative techniques. However, the prevention of root ankylosis may provide a substantial benefit favoring this latter methodology.<br>Master of Science
Book chapters on the topic "Radiographic healing"
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Varghese, George. "Management of Impacted Third Molars." In Oral and Maxillofacial Surgery for the Clinician. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-1346-6_14.
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AbstractThird molar impactions is one of the commonest minor oral surgical procedures in the realm of the oral and maxillofacial surgeon. Many basic principles of minor oral surgery have to be applied in a logical manner to attain a good healing. The assessment, clinical and radiographic evaluation plays an important role in selecting the right technique to ensure good results. This chapter aims to go through the basics of third molar impactions in a sequential way to guide the clinician to take the right decisions.
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Girejko, Gabriela, Marta Borowska, and Janusz Szarmach. "Statistical Analysis of Radiographic Textures Illustrating Healing Process After the Guided Bone Regeneration Surgery." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91211-0_19.
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Kumar, Gunasekaran, and Badri Narayan. "The Healing of Segmental Bone Defects, Induced by Recombinant Human Bone Morphogenetic Protein (rhBMP-2): A Radiographic, Histological, and Biomechanical Study in Rats." In Classic Papers in Orthopaedics. Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5451-8_140.
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Malia, Laurie, and Joni E. Rabiner. "Let’s Do the Twist." In Pediatric Traumatic Emergencies. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780190946623.003.0012.
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Ankle injuries are a common presentation to the pediatric emergency department, with ankle sprains significantly more common than ankle fractures. This chapter presents a child with a swollen, painful ankle after a sports injury. Evaluation of ankle injuries is discussed, including use of clinical decision rules such as the Ottawa Ankle Rules and the Low Risk Ankle Rule, which help determine who is at low risk for ankle fracture and may not need radiographic imaging. Classification of fractures in children with open physes using the Salter-Harris nomenclature is reviewed. Management of ankle injuries, including bracing, splinting, casting, need for urgent orthopedic consultation, follow-up, and healing are also discussed.
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Rehart, Stefan, and Martina Henniger. "Avascular necrosis." In Oxford Textbook of Rheumatology. Oxford University Press, 2013. http://dx.doi.org/10.1093/med/9780199642489.003.0148.
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Avascular necrosis (AVN) represents an important disease process of the cartilage-bone complex, which can occur at any age. According to aetiology one may discriminate between rare idiopathic avascular necroses and more common forms that occur as an effect of the underlying disease or rather the therapy, the secondary avascular necroses. Pathophysiologically it is assumed that a circulatory disorder leads to an ischaemic necrosis of bone, bone marrow, and adjunct cartilage. Sites of the human skeleton with predilection to AVN are the femoral head, humeral head, femoral condyle, proximal tibia, and ossicles of the foot and hand. Clinical signs are unspecific, but in the region of the load-bearing lower extremities pain occurs usually early. Plain radiographs, MRI, and sometimes also skeletal scintigraphy are used for diagnosis and staging. Usually 4-5 stages are distinguished; there are extra classification systems for individual entities. Spontaneous healing in terms of a return to normal without further damage can be found in small, circumscribed areas, but the bigger and the nearer the joint the more unlikely this is. Depending on region, stage of disease, age of the patient, concomitant diseases and cause, several conservative and surgical therapies may be applied. Conservative treatments include exoneration and relief of the extremity, physiotherapy, and if necessary medical treatment. The need for surgical intervention becomes more likely as AVN increases in size and gets closer to the joint. Surgical therapies include core decompression, revascularizing techniques, vascular bone transplant, corrective/transposition osteotomy, arthrodesis/joint reinforcement, or joint replacement.
Conference papers on the topic "Radiographic healing"
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Santoni, Brandon G., Rohat Melik, Emre Unal, et al. "Development and Biocompatibility Characterization of a BioMEMS Sensor for Monitoring the Progression of Fracture Healing." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206670.
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Orthopaedic extremity injuries present a large medical and financial burden to the United States and world-wide communities [1]. Approximately six million long bone fractures are reported annually in the United States and approximately 10% of these fractures do not heal properly. Though the exact mechanism of impaired healing is poorly understood, many of these non-unions result when there is a communited condition that does not proceed through a stabilized healing pathway [2]. Currently, clinicians may monitor healing visually by radiographs, or via manual manipulation of the bone at the fracture [3]. Unfortunately, the course of aberrant fracture healing is not easily diagnosed in the early period when standard radiographic information of the fracture is not capable of discriminating the healing pathway. Manual assessment of fracture healing is also an inadequate diagnostic tool in the early stages of healing [4].
2
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.
Full textAbstract:
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.
3
Wilson, Darren, and Si Janna. "Structural Health Monitoring of Long Bone Fractures Using Instrumented Intramedullary Nails." In ASME 2008 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2008. http://dx.doi.org/10.1115/smasis2008-314.
Full textAbstract:
Clinical assessment of fracture healing is usually subjective, relying upon the detection of movement (‘feel’) by the surgeon, the patient’s response in terms of pain and confidence, and radiographic evidence of callus and primary bone union. A more quantitative, objective method of measuring the strength of a healing callus would be useful in assessing many aspects, such as the effectiveness of different forms of treatment, the pattern and rate of healing, and the stage at which the patient can return to full weight-bearing activity. The results presented in this paper demonstrate the complexity of monitoring fracture healing in leg stance phase using an instrumented intramedullary (IM) nail equipped with a single sensor. The bone healers exhibited both sigmoidal and linear load responses during fracture healing. Ambulating non-healers demonstrated high nail forces which did not change significantly over time whereas lame non-healers demonstrated a decreasing nail load due to reduced GRF or loosening of fixation.
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McGilvray, Kirk, Hilmi Volkan Demir, Emre Unal, and Christian Puttlitz. "A Novel Bio-Microelectromechanical System for In Vivo Diagnostic Monitoring of Fracture Healing." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14139.
Full textAbstract:
The ability to detect a normal from aberrant bone healing cascade during the acute fracture fixation period (1–3 weeks post trauma) is critically important to insure a favorable clinical outcome for many complex fracture cases. Radiographic evaluations do not have the inherent fidelity to make qualitative predictions during the acute healing phase. Early detection of an atypical healing profile would allow for revision strategies to be employed without the need for expensive and undesirable follow-up surgeries. In an effort to address the critical need to diagnose the course of bone fracture healing in the vitally important early healing phase, our research group has developed a radio frequency (RF) strain sensor that takes advantages of the recent advances in meta-materials and micro-electo-mechanical systems (MEMS) technology. Our MEMS sensor is biocompatible (bioMEMS), inductively powered and monitors the surface strains on implanted hardware [1, 2]. Another novel feature of this new sensor is that it does not require an internal-external physical connection to sense and transmit in vivo biological data. The essence of the sensor’s design is that straining the integrated RF bioMEMS circuit results in a shift in its resonant frequency (ResF). Through telemetric detection of this ResF shift, it is possible to longitudinally monitor the temporal changes in hardware strain. It is well understood that that as proper fracture healing progresses (i.e. increasingly stable tissue(s) stabilizing the fracture sight) that the load/strain born by orthopaedic implant diminishes. Therefore, telemetric measurements of our bioMEMS system (i.e. hardware load/strain) provide direct insight into the degree of fracture stabilization and healing.
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Lujan, Trevor J., Chris E. Henderson, Meghan O’Donovan, Steve M. Madey, Dan C. Fitzpatrick, and Michael Bottlang. "Automated Measurement of Callus Formation." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206826.
Full textAbstract:
The assessment of fracture healing is aided by identifying features in roentgenographs that signify bone union. In comminuted or multi-part fractures, external callus formation relates to mechanical rigidity at the fracture site.[1] However, inter- and intra-observer variability of 20–25% exists when physicians evaluate callus.[2] Furthermore, current classification systems lose information by converting continuous features into categorical variables.[3] These limitations have restricted the clinical utility of plain radiographs in retrospective evaluation of treatment course.[4,5] Image processing presents a viable means to reduce observer error, while yielding continuous results. The aim of this work was to verify, numerically and clinically, an objective method to quantify callus formation.