Relevant bibliographies by topics / Sternum

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Sternum'

Author: Grafiati
Published: 4 June 2021
Last updated: 27 July 2024

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Journal articles on the topic "Sternum"

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Das A. "Anatomical Variation of Sternal Angle and Body: a Cross sectional study." Journal of Sylhet Women’s Medical College 14, Number 2 (July 1, 2024): 48–51. http://dx.doi.org/10.47648/jswmc2024v14-02-103.

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Background: The sternum is one of the important skeletal components ofthoracic case that frequently has congenital defects, and researchers routinely use variances to ascertain an individual's age and sex. Additionally, it helps the physician with biopsy procedures as well as therapy. The objective of this study was to evaluate the morphological characteristics of sternal body and sternal angle in both sexes. Method: This cross-sectional stuywas carried out at the Department of Anatomy, Sylhet MAG Osmani Medical College. For this purpose, 100 dried ossified sternums of unknown sex had been collected. The sample was collected in compliance with the inclusion and exclusion criteria. Discriminant function analysis was used to determine the sex of each sternum (DFA). Study variables were the maximum length of sternal body, maximum breadth of sternal body, thickness of the sternal body and sternal angle. Variables were measured using a vernier caliper and documented in a pre-designed data sheet. Result: The mean length of the body of sternum was 93.84±23.31 mm in male and 82.84±14.8 mm in female. The mean width of the body of the sternum was 35.3±10.83 mm in male and 29.22±9.65 mm in female. The thickness of the body of the sternum is 19.86±9.91 mm in males and 16.12±7.39 mm in females. Analysis revealed that length of body sternum, width of body of sternum and thickness of body of sternum were higher in male than female which was statistically significant (p<0.05).The mean angle of sternum was 148.29±8.240 degrees in males and 149.32±9.690degrees in females, respectively. The difference was statistically not significant (p<0.05). Conclusion: In females, the maximum sternal length, maximum sternal breadth, and maximum sternal thickness were all significantly lower.
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Lema, Alemayehu Shiferaw. "Anatomical variations of the sternum: sternal foramen and variant xiphoid morphology in dried adult human sternum in Ethiopia." F1000Research 12 (August 7, 2023): 934. http://dx.doi.org/10.12688/f1000research.133151.1.

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Background: The sternum exhibits unique anatomical variations with major clinical and forensic implications. This study is devoted to providing baseline epidemiological information about the sternal foramen and variant xiphoid morphology in Ethiopia. Two extremely interesting and unusual variations of the sternal foramen are also discussed. Methods: This observational study was carried out using dried adult human sternum obtained from skeletal remains samples brought for medicolegal examination over a period of 4 years. A total of 94 dried adult human sternums (66 males (70.2%) and 28 females (29.8%)) were obtained with an age range of 21 to 57 years and a mean age at death of 38.383 ± 11.3480 years. Dried human sternum specimens were morphologically examined, and morphometric parameters were recorded and photographed. Results: A sternal foramen was found in 18 specimens (19.1%); 17 were male and one was female. A single sternal foramen was observed in 83.3% (n=15/18) of the sternal bodies and 11.1% (n=2/18) of the xiphoid processes (both males). In addition, a double sternal foramen was observed in a single male specimen on the mesosternum and xiphoid process. The most common sternal foramen site was at the fifth costochondral junction level. The xiphoid process was present in 77 samples and ended as a single process in 83.1% (n=64/77) of samples. In 15.6% (n=12/77) of the samples, the xiphoid process was bifurcated and trifurcated in a single male (1.3%) specimen. Conclusions: The sternal foramen and variation in xiphoid morphology are common anatomical variations in Ethiopia. The findings of the current study highlight the necessity of strict precautionary measures during sternal procedures in this study population. In addition, such incidental findings during radiologic and autopsy procedures should be properly evaluated to avoid misdiagnosis and misinterpretation of such findings as traumatic or pathologic conditions.
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Chakravarthi, Kosuri Kalyan, Siddaraju K. S., Nelluri Venumadhav, and Sangeeta Atamaram Bali. "Anatomical and congenital variations of human dry sternum bone: its embryogenesis and clinical implications." International Journal of Research in Medical Sciences 6, no. 1 (December 23, 2017): 300. http://dx.doi.org/10.18203/2320-6012.ijrms20175738.

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Background: The sternum is one of the skeleton parts with frequently detected variation in cross-sectional images or autopsy series. The anatomical or congenital variations of the sternum in the anterior chest wall may involve malignancies, injuries or severe traumas. The aim of the study was undertaken to evaluate the incidence of anatomical and congenital variations of human dry sternum bones.Methods: This study was carried out on 120 dry human sternum bones irrespective of age and sex at Varun Arjun medical college- Banthra, UP, KMCT Medical College, Manassery-Calicut and Melaka Manipal Medical College-Manipal. All the sternum bones were macroscopically inspected for the anatomical and congenital variations of human dry sternum bones. Photographs of the anatomical and congenital variations were taken for proper documentation.Results: Complete sternal foramina in the body of the sternum were noted in 9 bones (7.5%), with an average vertical diameter of 17mm and transverse diameter of 16mm (The highest vertical diameter of 19mm and transverse diameter of 17mm was noted); Incomplete sternal foramina in the body of the sternum were noted in 4 bones (3.3%);Complete sternal foramina in the xiphoid process of the sternum were noted in 7 bones (5.8%) with an average vertical diameter of 6mm and transverse diameter of 8mm; Unusual complete sternal foramina in the body and incomplete sternal foramina in the xiphoid process of the sternum were noted in 8 bones (6.6%); Very rare longer xiphoid process (7.3 cm) with complete sternal foramina was noted in 7 bone (5.8%); Unusual Longer xiphoid process with an average length of 6.7cm with sharp bifid ends was noted in 8 bones (6.6%).Conclusions: The knowledge of existence of anatomical variants and congenital foramina of sternum and xiphoid process found in our study is essential, especially for bone marrow sampling, radiology (X - ray, CT, MRI, and USG) reporting, pathology autopsy and forensic medicine post-mortem reporting and patoacupuncture practice to avoid complications during various surgical procedures.
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Duman, Zihni M., Barış Timur, Çağdaş Topel, and Timuçin Aksu. "Clinical Use of Tailored Computed Tomography to Prevent Poststernotomy Dehiscence." Thoracic and Cardiovascular Surgeon 70, no. 01 (December 31, 2021): 072–76. http://dx.doi.org/10.1055/s-0041-1736243.

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Abstract Background Morphological and tissue density analysis of the sternum can be performed in the preoperative computed tomography (CT). The purpose of this study was to analyze morphology and tissue density of sternum in CT and effect for comparison sternal instability. Methods Patients with sternal instability (n = 61) and sternal stability (n = 66) were enrolled in this study. All of the patients were studied using same thorax CT procedure. All the measurements were performed by one specific cardiovascular radiologist. The Hounsfield units (HUs) were measured in axial sections of the sternum trabecular bone. Results Sternal instability group mean HU was 75.36 ± 13.19 and sternal stability group HU was 90.24 ± 12.16 (p < 0.000). HU is the statically significant predictor of sternal instability. Conclusion Our study showed a significant correlation between the mean HU value of sternum and sternal instability. We think that it is important to evaluate the existing thorax CT while performing preoperative risk analysis for sternal dehiscence.
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De Troyer, A., and T. A. Wilson. "Sternum dependence of rib displacement during breathing." Journal of Applied Physiology 75, no. 1 (July 1, 1993): 334–40. http://dx.doi.org/10.1152/jappl.1993.75.1.334.

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The parasternal intercostals are the primary determinant of the inspiratory cranial displacement of the ribs in the dog. When they contract, however, these muscles also cause a caudal displacement of the sternum, presumably an expiratory motion. The present studies were designed to assess the effects of this sternal displacement on the cranial displacement of the ribs and on lung volume. Twelve supine anesthetized animals were studied. We first measured, in four paralyzed animals, the displacement of the ribs and sternum produced by known external forces applied to the ribs, the sternum, or both simultaneously. From these measurements, the elastic coupling between the ribs and sternum was determined. We then studied, in eight animals, the effect of sternal motion on rib motion and tidal volume during spontaneous breathing. Rib and sternal displacements and tidal volume were measured first with the sternum free to move caudally during inspiration and then with the sternum constrained to prevent caudal motion. Preventing the sternum from moving caudally caused a 24% increase in the inspiratory cranial displacement of the ribs; this increased displacement of the ribs agreed well with the elastic coupling between the sternum and the ribs as determined from the force-displacement observations. Tidal volume, however, remained unchanged. These observations indicate that the caudal displacement of the sternum produced by the parasternal intercostals reduces the cranial displacement of the ribs but probably increases the lateral expansion of the rib cage.
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Sotnikov, A. V., V. M. Melnikov, R. V. Almadi, and G. N. Gorbunov. "AN APPROACH FOR MEDIASTINITIS PREVENTIONIN PATIENTS FOLLOWING CARDIAC SURGERY." HERALD of North-Western State Medical University named after I.I. Mechnikov 7, no. 4 (December 15, 2015): 38–42. http://dx.doi.org/10.17816/mechnikov20157438-42.

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The aim of this study was to reduce incidence of sternal deep wound infection (DWI) in patients following cardiac surgery. An experience of cardiac surgery by sternotomy access in 429 consecutive patients was presented. Perioperative intravenous injections of cefazolin were used in 225 patients (control group). Combination of perioperative intravenous injections with local retrosternal irrigation of cefazolin before sternum closure was used in 204 patients (study group). In control group sternal DWI occurred in 10 patients (4.4%), and in 4 patients a resternotomy sanation required. There were no deaths in this group due to infection or sepsis. In follow-up period (3 years), instability of sternum occurred in 3 patients (1.3%), and in 1 (0.4%) sternum reosteosynthesis required. In studied group the sternal DWI did not occur (p<0.01). Sternum instability and/or indications for sternum reosteosynthesis were not determined in follow-up period (2 years). It was concluded, that combination of intravenous and local usage of cefazolin in cardiac surgery patients is a simple and effective approach to prevent sternal DWI. Application of this method significantly (p<0.01) reduces the incidence rate of mediastinitis.
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Nasmi, C., A. Radi, R. Abilkassem, and A. Agadr. "Tuberculous Osteomyelitis Presenting as a Sternal Mass in Paediatric Patient: A Case Report." Asian Journal of Pediatric Research 13, no. 3 (August 21, 2023): 18–23. http://dx.doi.org/10.9734/ajpr/2023/v13i3273.

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Background: Sternal tuberculosis is an uncommon form of extrapulmonary tuberculosis and it can be a diagnostic challenge for pediatricians. Case Presentation: We report the case of a young 14-year-old boy, who had a gradually increasing swelling of the sternum over the past 2 months preceded by weight loss, asthenia and night sweats. Radiological, histological, and microbiological investigations confirmed it as a case of sternal tuberculosis (TB). He was managed with surgical debridement during the sternal biopsy and quadruple antituberculosis therapy with good response. Discussion: Tuberculosis (TB) of sternum is one of the rarest forms of skeletal tuberculosis. The incidence of sternal tuberculosis has been calculated to be <1.5% amongst osteo-articular tuberculosis, with very few cases reported in infants. The diagnosis is based on histological and bacteriologic arguments. Conclusion: Tuberculous osteomyelitis of the sternum is a rare finding in children. Our aim is to increase awareness around atypical presentations and the uncommon involvement of the sternum in musculoskeletal tuberculosis.
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Feneck, Eleanor M., Sorrel R. B. Bickley, and Malcolm P. O. Logan. "Embryonic Development of the Avian Sternum and Its Morphological Adaptations for Optimizing Locomotion." Diversity 13, no. 10 (September 29, 2021): 481. http://dx.doi.org/10.3390/d13100481.

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The sternum is part of the forelimb appendicular skeleton found in most terrestrial vertebrates and has become adapted across tetrapods for distinctive modes of locomotion. We review the regulatory mechanisms underlying sternum and forelimb development and discuss the possible gene expression modulation that could be responsible for the sternal adaptations and associated reduction in the forelimb programme found in flightless birds. In three phylogenetically divergent vertebrate lineages that all undertake powered flight, a ventral extension of the sternum, named the keel, has evolved independently, most strikingly in volant birds. In flightless birds, however, the sternal keel is absent, and the sternum is flattened. We review studies in a variety of species that have analysed adaptations in sterna morphology that are related to the animal’s mode of locomotion on land, in the sky and in water.
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Rufa, Magdalena, Adrian Ursulescu, Petra Baumann, and Manel Ferrer. "A Bicentric, International, Retrospective Study to Assess Steelex Sternum Set for Sternal Closure in Cardiac Surgery – STERCCAS a Cohort Study." Journal of Surgery 12, no. 2 (April 17, 2024): 37–44. http://dx.doi.org/10.11648/j.js.20241202.14.

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Sternal fixation with steel wires or cerclages, is the gold standard for closing a midline sternotomy, the standard incision in cardiac surgery. Rare wound complications can occur following a sternotomy wire closure. The objective of this study is to establish that the clinical efficacy of the Steelex Sternum Set is equivalent to the results documented in existing literature. The cohorts of the previously conducted OPTICABG and PREMIVALVE studies served as a foundation for the design of this retrospective, bicentric, international, single-arm study. The purpose of the study was to evaluate the clinical performance of the Steelex Sternum Set for sternal closure after coronary artery bypass grafting or cardiac valve replacement/reconstruction surgery. The primary endpoint was the incidence of a composite consisting of sternum instability, sternum dehiscence, superficial and deep sternal wound infection up to six months after surgery. A quantitative summary of the available clinical literature has been conducted for comparison purposes. There were 229 patients in total (89 PREMIVALVE and 140 OPTICABG). The combined rate of surgical site infection and sternal dehiscence/instability was 3.49%, compared to 1.5 - 20% described in the literature. Severe complications such as mortality, stroke, myocardial infarction, and mediastinitis occurred in about 0.8 - 2% of cases. The Steelex Sternum Set is a safe and appropriate method for sternal closure in a diverse patient population undergoing cardiac valve replacement and/or reconstruction, as well as coronary artery bypass graft surgery, in routine clinical settings.
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Rizvi, Shaheen Sajid Abbas, and Sharadkumar Pralhad Sawant. "Morphometric assessment of sternal foramina and sternal variations." Indian Journal of Clinical Anatomy and Physiology 11, no. 1 (May 15, 2024): 42–49. http://dx.doi.org/10.18231/j.ijcap.2024.008.

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The sternum is a crucial component of the thoracic cage. Its articulations and divisions play an important role in providing structural support to the thoracic cage and facilitating movements. The body of the sternum originates from four mesenchymal bars known as sternebrae, Incomplete fusion of the sternebrae or failure of fusion can lead to the development of a sternal foramen. The clinical significance of a sternal foramen lies in the potential risks associated with medical procedures such as acupuncture or sternal puncture for bone marrow biopsy. A study was conducted on 100 sterna at K. J. Somaiya Medical College to find out the presence of sternal foramen, to study their site, size and shape and to discuss its clinical Implications. 20% of the specimens were found to possess a sternal foramen. The vertical to transverse diameter of these foramina were in the range of 4.4 – 6.9mm. Most of the foramen were found to be at the level of 3 and 4 costal notches followed by Xiphoid process. The study also observed the variations in the shape of the manubrium and the body of the sternum and the variations of the Xiphoid process. Failure to recognize the presence of sternal foramina can pose serious risks during medical procedures, potentially leading to damage to the pericardium and heart. Therefore, it is essential for healthcare practitioners to be aware of these variations and consider obtaining X-ray or CT scans to assess sternum morphology before performing invasive procedures. The study emphasizes the importance of comprehensive anatomical knowledge and careful clinical assessment when dealing with the sternum and underscores the need for precautionary measures to prevent complications associated with sternal foramina.
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Dissertations / Theses on the topic "Sternum"

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Elfström, Anna, and Anna Grunditz. "Evaluation of Sternum Closure Techniques Using Finite Element Analysis." Thesis, KTH, Skolan för teknik och hälsa (STH), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123957.

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In an open thoracic surgery the surgeon dissociate the sternum, the breastbone, into two halves to be able to perform the operation. At the end of the surgery a standard technique is used which to close the sternum. The technique is based on steel wires that are wrapped around the halves of the sternum to close it. This technique is the most cost effective technique available on the market today but is still not optimal because it can cause infection, wound rupture and pain for the patient. The goal with this master thesis was to, with the help of finite element method, to find out which closure technique is the best one to close the sternum and to provide suggestions for improvement. This was done with respect to the aspects of how large the displacement between the sternum halves is and how much the stresses generated by the implants affect the sternum. Using literature studies and interviews three techniques were chosen to be simulated; the standard technique, Zipfix and Sternal Talon. Their implants consisted of stainless steel, PEEK and titanium respectively and the materials were simulated with every technique. In the lower part of the sternum it is a greater displacement between the two halves after simulation than in the rest of the sternum. An improvement was hence to simulate Zipfix and Sternal Talon with an extra steel wire in the lower part. Zipfix with the implants of titanium and the standard technique with the implants of stainless steel provided the best results with respect to the two aspects. The two improvements produced smaller displacement but the stresses were higher.
Vid öppen thoraxkirurgi öppnar kirurgen sternum, bröstbenet, i två halvor för att kunna utföra operationen. När operationen är genomförd används en standardteknik som bygger på att använda ståltrådar för att försluta de två sternumhalvorna. Denna teknik är den mest kostnadseffektiva som finns på marknaden idag, men är trots detta inte optimal då den kan ge upphov till infektioner, sårrupturer och smärta för patienten. Målet med detta examensarbete var att, med hjälp av finita elementmetoder, ta reda på vilken förslutningsmetod som är bäst samt att ge förbättringsförslag. Detta skedde utifrån aspekterna hur stor förskjutning som uppstår mellan sternumhalvorna samt hur stor spänning implantaten påverkar sternum med. Med hjälp av litteraturstudier och intervjuer valdes tre metoder ut för att simuleras; standardtekniken, Zipfix och Sternal Talon. Dessa implantat bestod av rostfritt stål, PEEK respektive titan och varje teknik simulerades med varje material. I sternums nedre del uppstod efter simulering större förskjutning av sternumhalvorna än i resterande av sternum. Ett förbättringsförslag var därför att simulera Zipfix och Sternal Talon med en extra ståltråd i nedre delen av sternum. Zipfix med implantat av titan och standardtekniken med implantat av rostfritt stål gav bäst resultat utifrån de två nämnda aspekterna. De två förbättringsförslagen gav mindre förskjutning men spänningen blev dock högre.
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Baril, Yannick-Vincent. "Conception et modélisation d'un système de fermeture du sternum." Mémoire, École de technologie supérieure, 2004. http://espace.etsmtl.ca/723/1/BARIL_Yannick%2DVincent.pdf.

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Le présent mémoire a pour objectif de concevoir un système de fermeture (SDF) en alliage à mémoire de forme (AMF) réduisant le taux de rupture du sternum. Le système développé est une tresse tubulaire en AMF utilisant la superplasticité. La géométrie de ce système permet de diminuer de façon considérable la rigidité en flexion du SDF, ce qui facilite les manipulations. Cette géométrie permet aussi d'augmenter la surface de contact entre le SDF et le sternum diminuant du même coup les contraintes de surface. Les études de validation du système faites selon un modèle par éléments finis ainsi que par un modèle en laboratoire montrent respectivement qu'un SDF utilisant les AMF réapplique une charge 30% supérieure à celle d'un fil d'acier standard n o 5 et que le SDF en AMF conserve une charge résiduelle 25% plus importante que celle des fils d'acier, peu importe le type de passage, la densité de l'os ou le type de chargement.
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Baril, Yannick-Vincent. "Conception et modélisation d'un système de fermeture du sternum /." Thèse, Montréal : École de technologie supérieure, 2004. http://proquest.umi.com/pqdweb?did=1407513351&sid=10&Fmt=2&clientId=46962&RQT=309&VName=PQD.

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Thèse (M. Ing.)--École de technologie supérieure, Montréal, 2004.
"Mémoire présenté à l'École de technologie supérieure comme exigence partielle à l'obtention de la maîtrise en génie mécanique". CaQMUQET Bibliogr.: f. [187]-192. Également disponible en version électronique. CaQMUQET
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Kuriki, Mao. "Transient and lineage-restricted requirement of Ebf3 for sternum ossification." Doctoral thesis, Kyoto University, 2020. http://hdl.handle.net/2433/253491.

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京都大学
0048
新制・課程博士
博士(医学)
甲第22646号
医博第4629号
新制||医||1044(附属図書館)
京都大学大学院医学研究科医学専攻
(主査)教授 篠原 隆司, 教授 松田 秀一, 教授 安達 泰治
学位規則第4条第1項該当
Doctor of Medical Science
Kyoto University
DFAM
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Litjuschkin, Alexej [Verfasser]. "Eigenschaften von mesenchymalen Stammzellen aus dem Sternum herzchirurgischer Patienten / Alexej Litjuschkin." Ulm : Universität Ulm, 2019. http://d-nb.info/119282587X/34.

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Hedberg, David, and Jessica Edqvist. "Sjuksköterskors erfarenheter av att vårda patienter som bär Post-thorax väst : - En intervjustudie." Thesis, Umeå universitet, Institutionen för omvårdnad, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-133297.

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ABSTRAKT Bakgrund: Mediastinit är en allvarlig komplikation efter öppen hjärtkirurgi. Syftet med post- thorax västen är att förebygga och förhindra mediastinit genom att stötta upp instabilitet och minska friktion i sternum efter operation. Uttalade osäkerheter och brister i erfarenheter av att jobba med västen väckte författarnas intresse för att intervjua intensivvårdssjuksköterskor och sjuksköterskor om deras erfarenheter med att arbeta med post-thorax västen. Syfte: Syftet med studien var att belysa sjuksköterskors erfarenheter av att vårda patienter som bar Post-thorax väst. Design: En kvalitativ intervjustudie Metod: Semistrukturerade intervjuer av 14 stycken grundutbildade och intensivvårdsutbildade sjuksköterskor som arbetade vid två enheter på ett sjukhus i Norra Sverige och hade mer än 6 månaders erfarenhet av att arbeta med västen. Intervjuerna analyserades genom en kvalitativ innehållsanalys. Resultat: Sjuksköterskors erfarenheter av att vårda patienter som burit Post-thorax väst resulterade i 4 kategorier och 13 subkategorier. Följande kategorier finns representerade: Ambivanlens, Säkerhet, Svårigheter, Motivation. Konklusion: Resultatet i studien visade att deltagarna hade varierande erfarenheter av att arbeta med patienter som bär väst. Deltagare utryckte svårigheter och fördelar med västen samt sin egen osäkerhet kring den. Deltagare ville ha utbildning och en utvärdering av västen och de beskrev motivationsarbetet och varför det är viktigt. Deltagarnas erfarenheter av patienternas upplevelser var något som genomsyrade alla kategorier. Resultatet kan tala för att implementeringen av västen på berörda enheter inte genomförts på ett optimalt sätt.
ABSTRACT Background: Mediastinitis is an infection in the mediastinum which can be a serious complication after open heart surgery. The purpose of the Post-thorax vest is to prevent mediastinitis by providing the required support to and minimize any friction within the sternum after heart surgery. There are outspoken uncertainties and gaps in the experience of working with the vest which aroused the interest of the authors to interview nurses and intensive care nurses about their experiences of working with the Post-thorax vest. Aim: The aim of this study was to investigate nurses’ experiences of working with patients who wear a Post-thorax vest. Design: A qualitative interview study Method: Semi-structured qualitative interview study of 14 nurses and intensive care nurses who worked at two units in the north of Sweden who had at least 6 months of experience working with the vest. The interviews were analyzed using content analysis. Results: Nurses’ experiences of working with patients who wore Post-thorax vests resulted in 4 categories and 13 sub-categories. The following categories are represented: Ambivalence, Security, Difficulties, Motivation. Conclusion: The result of the study showed that the participants had various experiences of working with patients wearing the vest. Participants expressed difficulties and benefits of the vest, and their own uncertainty about it. Participants wanted education and an evaluation of the vest and they described why motivational work was important. The participants described patients' experiences of the vest in almost every category. The result may indicate that the implementation of the vest at the units in question where not completed in an optimal way.
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Pai, Shruti. "In vivo characterization of respiratory forces on the sternal midline following median sternotomy." Digital WPI, 2005. https://digitalcommons.wpi.edu/etd-theses/1001.

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"The development and clinical adoption of more effective fixation devices for re-approximating and immobilizing the sternum after open-heart surgery to enable bony healing has been limited, in part, by the lack of in vitro test methods used to evaluate these devices which precisely emulate in vivo loading of the sternum. The present study is an initial effort to determine the loading parameters necessary to improve current in vitro and numerical test methods by characterizing the direction, magnitude, and distribution of loading along the sternotomy midline in vivo using a porcine model. Changes in forces incurred by death and embalming were also investigated to estimate the applicability of cadavers as chest models for sternal fixation. Two instrumented plating systems were used to measure the magnitude, direction, and distribution of forces across the bisected sternum in four pigs during spontaneous breathing, ventilated breathing, and coughing for four treatments; live, dead, embalmed, and refrigerated. Forces were highest in the lateral direction and highest at the xiphoid. An important finding was that the magnitude of the respiratory forces in all directions was smaller than anticipated from previous estimations, ranging from 0.37 N to 43.8 N. No significant differences in force were found between the four treatments, most likely due to the very small magnitude of the forces and high variability between animals. These results provide a first approximation of in vivo sternal forces and indicate that small cyclic fatigue loads should be applied for long periods of time, rather than large quasistatic loads, to best evaluate the next generation of sternal fixation devices. "
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Dieselman, John Conrad. "Comparison of Alternative Rigid Sternal Fixation Techniques." Digital WPI, 2012. https://digitalcommons.wpi.edu/etd-theses/73.

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Sternal malunion is a complication resulting in displacement of the sternal halves following open heart surgery. Currently, little is known about the effectiveness of alternative fixation systems under physiologically relevant loading scenarios. The goal of this study was to mechanically test several currently marketed sternal fixation devices and compare them to a prototype device in different loading conditions to simulate sitting up or breathing. Each system showed unique differences in cost, failure mode and efficiency; however, no statistical difference in failure load or displacement was observed between the testing groups.
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GESTA, JEAN-MICHEL. "Facteurs influencant l'evolution des fractures multiples de cotes et/ou du sternum : etude epidemiologique a propos de 104 cas pris en charge au service d'urgence du c.h.r. de roanne de mai 1991 a mai 1992." Lyon 1, 1993. http://www.theses.fr/1993LYO1M311.

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NIJAD, LEILA. "Interet de l'utilisation des agrafes de cotrel pour la fixation du sternum en chirurgie cardiaque." Toulouse 3, 1990. http://www.theses.fr/1990TOU31230.

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Books on the topic "Sternum"

1

Solvanger, Erik. Slijp het sternum: Gedichten. Amsterdam: De Bezige Bij, 2008.

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Solvanger, Erik. Slijp het sternum: Gedichten. Amsterdam: De Bezige Bij, 2008.

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Early development of the shoulder girdle and sternum in marsupials (Mammalia:Metatheria). Berlin: Springer Verlag, 1987.

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Klima, Milan. Early Development of the Shoulder Girdle and Sternum in Marsupials (Mammalia: Metatheria). Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-72994-2.

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U.S Fish and Wildlife Service. Division of Endangered Species., ed. Biology and conservation of the endangered interior least tern: A literature review. Washington, D.C: Fish and Wildlife Service, U.S. Dept. of the Interior, 1988.

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Stern, Steven B. Stern's Guide to the Cruise Vacation 2008 / Steven b. Stern.. 2nd ed. Gretna, La: Pelican Publishing Co., Inc, 2007.

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Garden, New York Botanical, and Organization for Flora Neotropica, eds. Stereum s.l. Bronx, NY: Published for the Organization for Flora Neotropica by the New York Botanical Garden Press, 2010.

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India, Alexis, ed. Stern's directory. [US]: Dance Magazine, 2002.

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Sterner stuff. London: HarperCollins, 1997.

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Penn, John. Sterner stuff. Bath, England: Chivers Press, 1998.

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Book chapters on the topic "Sternum"

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Bährle-Rapp, Marina. "Sternum." In Springer Lexikon Kosmetik und Körperpflege, 532. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_10080.

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Heppner, John B., David B. Richman, Steven E. Naranjo, Dale Habeck, Christopher Asaro, Jean-Luc Boevé, Johann Baumgärtner, et al. "Sternum." In Encyclopedia of Entomology, 3564. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_4392.

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Johnson, Jennifer, Brian DelGiudice, Dinesh S. Bangari, Eleanor Peterson, Gregory Ulinski, Susan Ryan, and Beth L. Thurberg. "Sternum." In The Laboratory Mouse, edited by Gayle Callis, 61–62. Boca Raton, Florida : CRC Press, [2019]: CRC Press, 2019. http://dx.doi.org/10.1201/9780429057755-31.

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Bilo, Rob A. C., Simon G. F. Robben, and Rick R. van Rijn. "Sternum." In Forensic Aspects of Paediatric Fractures, 293–302. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-12041-1_9.

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Kashani, John, Richard D. Shih, Thomas H. Cogbill, David H. Jang, Lewis S. Nelson, Mitchell M. Levy, Margaret M. Parker, et al. "Split-the-Sternum." In Encyclopedia of Intensive Care Medicine, 2131. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-00418-6_2219.

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Jackson, Laura, and Dakshesh Parikh. "Repair of Cleft Sternum." In Chest Wall Deformities, 707–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53088-7_60.

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Schneider, W. "Das destruierte Sternum — Therapiemöglichkeiten." In Fortschritte in der Chirurgie im letzten Jahrzehnt, 200. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-662-07303-2_92.

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Bab, Itai, Carmit Hajbi-Yonissi, Yankel Gabet, and Ralph Müller. "Sternum, Sternal-Rib Joint, Ribs and Rib-Vertebral Joints." In Micro-Tomographic Atlas of the Mouse Skeleton, 93–108. Boston, MA: Springer US, 2007. http://dx.doi.org/10.1007/978-0-387-39258-5_8.

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Bilo, Rob A. C., Simon G. F. Robben, and Rick R. van Rijn. "Clavicles, Scapulas, Sternum, Vertebrae and Pelvis." In Forensic Aspects of Pediatric Fractures, 67–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-78716-7_4.

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Neuhuber, Winfried, Stefan Lyer, Christoph Alexiou, and Thomas Buder. "Anatomy and Blood Supply of the Sternum." In Deep Sternal Wound Infections, 7–12. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49766-1_2.

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Conference papers on the topic "Sternum"

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Selten, K., R. Zayat, S. Tewarie, and R. Autschbach. "Prevention of Sternal Wound Infections with the Sternum External Fixation (Stern-E-Fix) Corset in Women." In 48th Annual Meeting German Society for Thoracic, Cardiac, and Vascular Surgery. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1678908.

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Pai, Shruti, Raymond M. Dunn, George D. Pins, and Kristen L. Billiar. "Characterization of the In Vivo Forces on the Sternum in Pigs." In ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-175957.

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Approximately 15,000 Americans suffer complications associated with inadequate sternal fixation after open-heart surgery each year [1]. Although alternative fixation methods exist, limitations of current device evaluation systems have led to uncertainty about the relative increase in stability that these novel devices provide, thereby diminishing their widespread clinical use. Sternal closure techniques are typically evaluated in situ where estimated sternal forces (180–400N) are applied to an intact chest [2] or in vitro on isolated sternal models [3]. The mechanical stability afforded by each technique is quantified as the resultant separation along the bisected sternal midline. This displacement is assumed to reflect micro-motion that would occur at the wound site under physiological loading, a critical factor during bony healing [4]. However, the loading in these studies is hardly physiological; it is generally simplified to a single direction and applied quasistatically to only a few discrete locations along the sternum without regard for the in vivo distribution of forces. It is also unclear whether the transfer of loads from sternum to fixation device during in situ tests [5](cadavers) accurately reflects loading in vivo due to the potential effects of rigor mortis and/or embalming. To improve the accuracy of current in situ and in vitro sternal fixation test methods it is essential to advance our knowledge of in vivo dynamic multi-directional sternal loading.
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Christakis, Alexander, John Dieselman, Jonathan Ahn, Andrew Sandefer, Charles Psoinos, Ronald Ignotz, Janice Lalikos, Raymond Dunn, and Kristen Billiar. "Comparison of Cortical and Cancellous Screws for Sternal Fixation." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206368.

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The goal of this study is to compare the performance of currently available screw types and configurations for rigid sternal fixation. Bone fixation plates were attached to osteoporotic human sternum with cortical or cancellous screws in either a unicortical or bicortical manner. The plates were cyclically loaded transversely (0–50N at 2Hz) for 15,000 cycles; the resulting lateral screw displacement was measured continuously. Bicortical attachment allowed significantly lower initial displacement than unicortical (p = 0.015), whereas cortical screws allowed significantly lower displacement than cancellous screws after long term cycling (p = 0.039). These initial findings indicate that both screw type and cortical purchase are important parameters in the design of a rigid plating system for sternal closure. Cortical screws appear to be more applicable to the osteoporotic sternum, as the cortical shell regions support more screw purchase than the degenerated cancellous part, and bicortical screw purchase appears to decrease screw loosening.
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Dias, Mariana, Beatriz Rocha, Joao F. Teixeira, and Helder P. Oliveira. "Automatic Sternum Segmentation in Thoracic MRI*." In 2019 41st Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC). IEEE, 2019. http://dx.doi.org/10.1109/embc.2019.8857860.

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Panescu, Dorin, Mark Kroll, Carlyn Iverson, and Michael Brave. "The sternum as an electrical shield." In 2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2014. http://dx.doi.org/10.1109/embc.2014.6944615.

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Bunn, Barbara, Suzanne Johannson, Carla Kohoyda-Inglis, Stewart Wang, Chantal Parenteau, and Sven Holcombe. "Quantification of Sternum Morphomics and Injury Data." In WCX SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2019. http://dx.doi.org/10.4271/2019-01-1217.

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Richards, Claire, Nicolas Misdariis, Roland Cahen, Damien Faux, and Vincent Hayward. "Vibratory Detection Thresholds for the Spine, Clavicle and Sternum*." In 2021 IEEE World Haptics Conference (WHC). IEEE, 2021. http://dx.doi.org/10.1109/whc49131.2021.9517154.

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Sola, J., O. Chetelat, and J. Krauss. "On the reliability of pulse oximetry at the sternum." In 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2007. http://dx.doi.org/10.1109/iembs.2007.4352595.

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Pazokifard, Banafsheh, and Arcot Sowmya. "3-D segmentation of human sternum in lung MDCT images." In 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2013. http://dx.doi.org/10.1109/embc.2013.6610259.

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Liu, Shuang, Yiting Xie, and Anthony P. Reeves. "Segmentation of the sternum from low-dose chest CT images." In SPIE Medical Imaging, edited by Lubomir M. Hadjiiski and Georgia D. Tourassi. SPIE, 2015. http://dx.doi.org/10.1117/12.2082436.

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Reports on the topic "Sternum"

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Rome, Alex, Katie Morris, Payton Johnston, Cheyenne Frnklin, Rachel Jeneff, and Hannah Tackett. Modified vs. Standard Sternal Precautions. University of Tennessee Health Science Center, June 2023. http://dx.doi.org/10.21007/chp.mot2.2023.0025.

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Hsueh, S. Y. Repetitive Stern-Gerlach effect. Office of Scientific and Technical Information (OSTI), March 1990. http://dx.doi.org/10.2172/6988634.

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Fredette, Thomas J., Richard J. Ruby, Paul Bijhouwer, Burton C. Suedel, Michael Guilfoyle, Marleen Kromer, and Karen Adair. Ashtabula Breakwater Common Tern (Sterna Hirundo) Nesting. Fort Belvoir, VA: Defense Technical Information Center, May 2016. http://dx.doi.org/10.21236/ada631960.

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Baptist, Martin, and Mardik Leopold. Pilotstudie GPS-trackers grote sterns van Utopia, Texel 2018. Den Helder: Wageningen Marine Research, 2018. http://dx.doi.org/10.18174/466161.

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Conte, M., R. Parodi, and W. W. MacKay. An overview on the longitudinal Stern-Gerlach effect. Office of Scientific and Technical Information (OSTI), November 1997. http://dx.doi.org/10.2172/573337.

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Conte, M., A. U. Luccio, and M. Pusterla. Relativistic Stern-Gerlach Interaction in an RF Cavity. Office of Scientific and Technical Information (OSTI), May 2009. http://dx.doi.org/10.2172/971605.

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Cusanelli, Dominic S. Scaling Effects on Stern Flap Performance. Progress Report. Fort Belvoir, VA: Defense Technical Information Center, September 2009. http://dx.doi.org/10.21236/ada507858.

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Conte M., A. U. Luccio, and M. Pusterla. Relativistic Stern-Gerlach Interaction in an RF Cavity. Office of Scientific and Technical Information (OSTI), May 2009. http://dx.doi.org/10.2172/1061947.

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Perrels, Adriaan, and Kaisa Juhanko. Socio-economic Benefits of the EPS Sterna constellation at high latitudes. Finnish Meteorological Institute, 2023. http://dx.doi.org/10.35614/isbn.9789523361836.

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This report presents a combined meteorological and economic study commissioned by EUMETSAT as part of the planning trajectory for the EPS-Sterna polar-orbiting satellite constellation. The focus of the study is on the foreseeable effects of EPS Sterna on meteorological forecasts and the resulting socioeconomic benefits, particularly regarding application at high latitudes, with emphasis on the Nordic countries. The study has an explorative character, hence the quantified estimates of benefits only indicate orders of magnitude for selected sectors. A more comprehensive assessment of expected benefits would necessitate a larger study. The report focuses on sectors for which significant benefits were expected, being civil aviation in Nordic countries (excluding Iceland) and wind turbine-based electricity production in the Nordpool area. For civil aviation, increased precision in forecasting winterly precipitation enhances preparedness on airports, thereby reducing weather-related delays. The potential annual benefit for the aviation sector in the Nordic countries is estimated at approximately €5 million, with an additional €1 million in avoided travel time loss. The upscaled effect for aviation in Europe is estimated at around €15 million per year. In wind power production, timely identification of probable formation of ice and snow on turbine blades benefits the Nordic power market through smoother operations and cost savings. The expected annual benefits for society are approximately €15 million, growing to €27 million when considering growth in electricity use. Applying a satellite constellation lifetime of 12 years (2029–2040), the estimated cumulative benefits range from €240 million (using base year levels without expansion) to €495 million (using maximum values per sector). No discounting of benefits nor costs has been applied. Other sectors with potential benefits include construction, tourism, urban operational management, and more. A coarse assessment for the Finnish building sector suggests expected annual benefits of about €1 million. The study notes that EPS Sterna's forecast improvements may lead to the development of new smart services, influencing property management and generating economic effects. Realizing the benefit potential of EPS Sterna data requires dedicated weather service development and improved data integration with non-meteorological data. The report recommends establishing a repository of cost-benefit analysis (CBA) data and results to facilitate future evaluations of satellite constellations.
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MacKay, Waldo. Notes on a Generalization of the Stern-Gerlach Force. Office of Scientific and Technical Information (OSTI), April 1998. http://dx.doi.org/10.2172/1119544.

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