ISRN orthopedics最新文献_第4页

Femoral neck version affects medial femorotibial loading. 股骨颈的形状会影响股胫骨内侧的负荷。

ISRN orthopedics Pub Date : 2013-02-21 eCollection Date: 2013-01-01 DOI: 10.1155/2013/328246

T A Papaioannou, Georgios Digas, Ch Bikos, V Karamoulas, E A Magnissalis

{"title":"Femoral neck version affects medial femorotibial loading.","authors":"T A Papaioannou, Georgios Digas, Ch Bikos, V Karamoulas, E A Magnissalis","doi":"10.1155/2013/328246","DOIUrl":"10.1155/2013/328246","url":null,"abstract":"The aim of this study was to provide a preliminary evaluation of the possible effect that femoral version may have on the bearing equilibrium conditions developed on the medial tibiofemoral compartment. A digital 3D solid model of the left physiological adult femur was used to create morphological variations of different neck-shaft angles (varus 115, normal 125, and valgus 135 degrees) and version angles (-10, 0, and +10 degrees). By means of finite element modeling and analysis techniques (FEM-FEA), a virtual experiment was executed with the femoral models aligned in a neutral upright position, distally supported on a fully congruent tibial tray and proximally loaded with a vertical only hip joint load of 2800 N. Equivalent stresses and their distribution on the medial compartment were computed and comparatively evaluated. Within our context, the neck-shaft angle proved to be of rather indifferent influence. Reduction of femoral version, however, appeared as the most influencing parameter regarding the tendency of the medial compartment to establish its bearing equilibrium towards posteromedial directions, as a consequence of the corresponding anteroposterior changes of the hip centre over the horizontal tibiofemoral plane. We found a correlation between femoral anteversion and medial tibiofemoral compartment contact pressure. Our findings will be further elucidated by more sophisticated FEM-FEA and by clinical studies that are currently planned. ","PeriodicalId":89787,"journal":{"name":"ISRN orthopedics","volume":"2013 ","pages":"328246"},"PeriodicalIF":0.0,"publicationDate":"2013-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4045292/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32451572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The effect of biceps procedure on the outcome of rotator cuff reconstruction. 肱二头肌手术对肩袖重建效果的影响。

ISRN orthopedics Pub Date : 2013-02-13 eCollection Date: 2013-01-01 DOI: 10.1155/2013/840965

Juha Kukkonen, Juho Rantakokko, Petri Virolainen, Ville Aärimaa

{"title":"The effect of biceps procedure on the outcome of rotator cuff reconstruction.","authors":"Juha Kukkonen, Juho Rantakokko, Petri Virolainen, Ville Aärimaa","doi":"10.1155/2013/840965","DOIUrl":"https://doi.org/10.1155/2013/840965","url":null,"abstract":"Purpose. Biceps long head pathology is often associated with rotator cuff tears. The aim of this study was to determine the effect of possible associated biceps procedure on the treatment outcome in rotator cuff repair. Methods. 148 consecutive shoulders operated for isolated full-thickness supraspinatus tendon tear were included. A biceps tenotomy or tenodesis was performed in cases of irritated/frayed and/or unstable biceps tendon. The patients were grouped into three groups according to the biceps procedure (no procedure, tenotomy, and tenodesis). The age-adjusted Constant score was used as an outcome measure. Results. 145 shoulders (98%) were available for final followup. Preoperatively, there was no statistically significant difference in Constant scores. At three months, there was a statistically significant positive change in Constant scores compared with preoperative status in the tenotomy group in women. At one year there was a statistically significant positive change in Constant scores in all groups in both genders. However, there was no statistically significant difference between the groups at one year in either gender. Conclusion. Biceps procedure does not affect the final clinical treatment outcome after rotator cuff repair. Recovery from operative treatment may be faster in tenotomized female patients in cases of encountered biceps pathology. ","PeriodicalId":89787,"journal":{"name":"ISRN orthopedics","volume":"2013 ","pages":"840965"},"PeriodicalIF":0.0,"publicationDate":"2013-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2013/840965","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32457882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 24

Treatment for Wear and Osteolysis in Well-Fixed Uncemented TKR. 固定良好的未骨水泥TKR磨损和骨溶解的治疗。

ISRN orthopedics Pub Date : 2013-02-11 eCollection Date: 2013-01-01 DOI: 10.1155/2013/398298

Leah Nunez, Brandon Broome, Tom Pace, Melinda Harman

{"title":"Treatment for Wear and Osteolysis in Well-Fixed Uncemented TKR.","authors":"Leah Nunez, Brandon Broome, Tom Pace, Melinda Harman","doi":"10.1155/2013/398298","DOIUrl":"https://doi.org/10.1155/2013/398298","url":null,"abstract":"Background. Traditionally, osteolysis around total knee replacements (TKRs) is treated with complete revision. In certain subsets, polyethylene insert exchange and bone grafting may be applicable. This study reports the clinical outcomes for selective bone grafting in patients with osteolysis without complete revision of the TKR. Methods. This retrospective study analyzes 10 TKRs (9 patients, 66.5 ± 6.1 years old) presenting with osteolysis and revised after 8.7 ± 1.9 years of in vivo function. At index TKR, all patients were implanted with uncemented prosthesis and modular polyethylene insert with anteroposterior articular constraint (Ultracongruent, Natural Knee II, Sulzer Medica). The surgical technique for treating the osteolysis included removal of necrotic bone tissue using curettage, filling of the defect with bone graft materials, and polyethylene insert exchange. Results. Patients have not exhibited any further complications associated with osteolysis after 5.1 ± 2.4 years of followup. Routine radiographic exams show total incorporation of the graft material into the previously lytic regions in all patients. Conclusion. In some TKRs with osteolysis and firmly fixed components, the removal of lytic tissue and subsequent defect filling with bone graft materials can be a viable solution. This case series shows complete resolution of osteolysis in all patients with no complications. ","PeriodicalId":89787,"journal":{"name":"ISRN orthopedics","volume":"2013 ","pages":"398298"},"PeriodicalIF":0.0,"publicationDate":"2013-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2013/398298","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32449885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Is sacralization really a cause of low back pain? 神圣化真的是腰痛的原因吗?

ISRN orthopedics Pub Date : 2013-02-07 eCollection Date: 2013-01-01 DOI: 10.1155/2013/839013

Mehmet Bulut, Bekir Yavuz Uçar, Demet Uçar, Ibrahim Azboy, Abdullah Demirtaş, Celil Alemdar, Mehmet Gem, Emin Ozkul

{"title":"Is sacralization really a cause of low back pain?","authors":"Mehmet Bulut, Bekir Yavuz Uçar, Demet Uçar, Ibrahim Azboy, Abdullah Demirtaş, Celil Alemdar, Mehmet Gem, Emin Ozkul","doi":"10.1155/2013/839013","DOIUrl":"https://doi.org/10.1155/2013/839013","url":null,"abstract":"Objective. The aim of this study was to determine, by plain radiography, if there is a relationship between sacralization and low back pain. Methods. Five hundred lumbosacral radiographs of low back pain patients and 500 control groups were examined. Data collection consisted of the subject's age at the time of imaging, gender, number of lumbar vertebral bodies, and bilateral height measurement of the lowest lumbar transverse process. Dysplastic transverse processes were classified according to the Castellvi radiographic classification system. The incidence of sacralization in patients and the control groups was reported, and the anomaly was compared according to the groups. Results. Of these patients groups, 106 were classified as positive for sacralization, which resulted in an incidence of 21.2%. The most common anatomical variant was Castellvi Type IA (6.8%). In the control group, 84 were classified as positive for sacralization, which resulted in an incidence of 16.8%. No statistically significant difference was found between the groups for having sacralization (P = 0.09). Discussion. The relationship between sacralization and low back pain is not clear. Because of this controversial future studies need to focus on identifying other parameters that are relevant to distinguishing lumbosacral variation, as well as corroborating the results obtained here with data from other samples. ","PeriodicalId":89787,"journal":{"name":"ISRN orthopedics","volume":"2013 ","pages":"839013"},"PeriodicalIF":0.0,"publicationDate":"2013-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2013/839013","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32457881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 10

SPECT versus Planar Scintigraphy as a Clinical Aid in Evaluation of the Elderly with Knee Pain. SPECT与平面闪烁成像在老年膝关节疼痛评估中的临床辅助作用。

ISRN orthopedics Pub Date : 2013-01-22 eCollection Date: 2013-01-01 DOI: 10.1155/2013/842852

Amir Oron, Izhar Arieli, Tamir Pritsch, Einat Even-Sapir, Nahum Halperin, Gabriel Agar

{"title":"SPECT versus Planar Scintigraphy as a Clinical Aid in Evaluation of the Elderly with Knee Pain.","authors":"Amir Oron, Izhar Arieli, Tamir Pritsch, Einat Even-Sapir, Nahum Halperin, Gabriel Agar","doi":"10.1155/2013/842852","DOIUrl":"https://doi.org/10.1155/2013/842852","url":null,"abstract":"Chronic knee pain is a common complaint among the elderly and appears in 30%-40% of the population over the age of 65. This study was performed in order to evaluate correlation between clinical presentation of chronic knee pain and the imaging findings of SPECT and planar bone scintigraphy. Methods. We prospectively recruited 116 patients over the age of 50 who had neither knee surgery nor trauma. Patients were divided into symptomatic and asymptomatic groups. All patients were examined by an experienced orthopedic surgeon; on the same day imaging was performed. Statistical analysis was performed to correlate physical examination findings with planar scintigraphy and SPECT findings and blood pool images. Results. In symptomatic patients, planar scintigraphy correlated significantly (P < 0.01) with the presence of excessive joint fluid, synovial condensation, and decrease in range of motion as measured in extension and flexion and patellar grinding test. SPECT findings correlated with all of the above tests as well as with medial and patellofemoral joint tenderness. Conclusions. We believe a finding of tenderness at the medial articular crease or of the patellofemoral compartment of the knee should be considered an indication for the use of SPECT scintigraphy rather than planar scintigraphy. ","PeriodicalId":89787,"journal":{"name":"ISRN orthopedics","volume":"2013 ","pages":"842852"},"PeriodicalIF":0.0,"publicationDate":"2013-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2013/842852","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32457883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Pedicle-Screw-Based Dynamic Systems and Degenerative Lumbar Diseases: Biomechanical and Clinical Experiences of Dynamic Fusion with Isobar TTL. 以椎弓根螺钉为基础的动力系统和退行性腰椎疾病:等压板TTL动态融合的生物力学和临床经验。

ISRN orthopedics Pub Date : 2013-01-21 eCollection Date: 2013-01-01 DOI: 10.1155/2013/183702

Cédric Barrey, Gilles Perrin, Sabina Champain

{"title":"Pedicle-Screw-Based Dynamic Systems and Degenerative Lumbar Diseases: Biomechanical and Clinical Experiences of Dynamic Fusion with Isobar TTL.","authors":"Cédric Barrey, Gilles Perrin, Sabina Champain","doi":"10.1155/2013/183702","DOIUrl":"https://doi.org/10.1155/2013/183702","url":null,"abstract":"Dynamic systems in the lumbar spine are believed to reduce main fusion drawbacks such as pseudarthrosis, bone rarefaction, and mechanical failure. Compared to fusion achieved with rigid constructs, biomechanical studies underlined some advantages of dynamic instrumentation including increased load sharing between the instrumentation and interbody bone graft and stresses reduction at bone-to-screw interface. These advantages may result in increased fusion rates, limitation of bone rarefaction, and reduction of mechanical complications with the ultimate objective to reduce reoperations rates. However published clinical evidence for dynamic systems remains limited. In addition to providing biomechanical evaluation of a pedicle-screw-based dynamic system, the present study offers a long-term (average 10.2 years) insight view of the clinical outcomes of 18 patients treated by fusion with dynamic systems for degenerative lumbar spine diseases. The findings outline significant and stable symptoms relief, absence of implant-related complications, no revision surgery, and few adjacent segment degenerative changes. In spite of sample limitations, this is the first long-term report of outcomes of dynamic fusion that opens an interesting perspective for clinical outcomes of dynamic systems that need to be explored at larger scale. ","PeriodicalId":89787,"journal":{"name":"ISRN orthopedics","volume":"2013 ","pages":"183702"},"PeriodicalIF":0.0,"publicationDate":"2013-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1155/2013/183702","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32510263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 18

Trilogy-constrained acetabular component for recurrent dislocation. 髋臼三段式复位复位治疗复发性脱位。

ISRN orthopedics Pub Date : 2013-01-10 eCollection Date: 2013-01-01 DOI: 10.1155/2013/629201

Annette Vest Andersen, Anne Grete Kjersgaard, Søren Solgaard

引用次数: 17

Bacterial findings in infected hip joint replacements in patients with rheumatoid arthritis and osteoarthritis: a study of 318 revisions for infection reported to the norwegian arthroplasty register. 类风湿关节炎和骨关节炎患者感染髋关节置换术中的细菌发现:挪威关节置换术登记报告的318例感染修订研究。

ISRN orthopedics Pub Date : 2012-10-17 eCollection Date: 2012-01-01 DOI: 10.5402/2012/437675

J C Schrama, O Lutro, H Langvatn, G Hallan, B Espehaug, H Sjursen, L B Engesaeter, B-T Fevang

{"title":"Bacterial findings in infected hip joint replacements in patients with rheumatoid arthritis and osteoarthritis: a study of 318 revisions for infection reported to the norwegian arthroplasty register.","authors":"J C Schrama, O Lutro, H Langvatn, G Hallan, B Espehaug, H Sjursen, L B Engesaeter, B-T Fevang","doi":"10.5402/2012/437675","DOIUrl":"https://doi.org/10.5402/2012/437675","url":null,"abstract":"High rates of Staphylococcus aureus are reported in prosthetic joint infection (PJI) in rheumatoid arthritis (RA). RA patients are considered to have a high risk of infection with bacteria of potentially oral or dental origin. One thousand four hundred forty-three revisions for infection were reported to the Norwegian Arthroplasty Register (NAR) from 1987 to 2007. For this study 269 infection episodes in 255 OA patients served as control group. In the NAR we identified 49 infection episodes in 37 RA patients from 1987 to 2009. The RA patients were, on average, 10 years younger than the OA patients and there were more females (70% versus 54%). We found no differences in the bacterial findings in RA and OA. A tendency towards a higher frequency of Staphylococcus aureus (18% versus 11%) causing PJI was found in the RA patients compared to OA. There were no bacteria of potential odontogenic origin found in the RA patients, while we found 4% in OA. The bacteria identified in revisions for infection in THRs in patients with RA did not significantly differ from those in OA. Bacteria of oral or dental origin were not found in infected hip joint replacements in RA. ","PeriodicalId":89787,"journal":{"name":"ISRN orthopedics","volume":"2012 ","pages":"437675"},"PeriodicalIF":0.0,"publicationDate":"2012-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.5402/2012/437675","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32464199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

The biomechanical effect of the sensomotor insole on a pediatric intoeing gait. 感应鞋垫对儿童入行步态的生物力学影响。

ISRN orthopedics Pub Date : 2012-10-10 eCollection Date: 2012-01-01 DOI: 10.5402/2012/396718

Akiyoshi Mabuchi, Hiroshi Kitoh, Masato Inoue, Mitsuhiko Hayashi, Naoki Ishiguro, Nobuharu Suzuki

{"title":"The biomechanical effect of the sensomotor insole on a pediatric intoeing gait.","authors":"Akiyoshi Mabuchi, Hiroshi Kitoh, Masato Inoue, Mitsuhiko Hayashi, Naoki Ishiguro, Nobuharu Suzuki","doi":"10.5402/2012/396718","DOIUrl":"https://doi.org/10.5402/2012/396718","url":null,"abstract":"Background. The sensomotor insole (SMI) has clinically been shown to be successful in treating an intoeing gait. We investigated the biomechanical effect of SMI on a pediatric intoeing gait by using three-dimensional gait analysis. Methods. Six patients with congenital clubfeet and four patients with idiopathic intoeing gait were included. There were five boys and five girls with the average age at testing of 5.6 years. The torsional profile of the lower limb was assessed clinically. Three-dimensional gait analysis was performed in the same shoes with and without SMI. Results. All clubfeet patients exhibited metatarsal adductus, while excessive femoral anteversion and/or internal tibial torsion was found in patients with idiopathic intoeing gait. SMI showed significant decreased internal rotation of the proximal femur in terminal swing phase and loading response phase. The internal rotation of the tibia was significantly smaller in mid stance phase and terminal stance phase by SMI. In addition, SMI significantly increased the walking speed and the step length. Conclusions. SMI improved abnormal gait patterns of pediatric intoeing gait by decreasing femoral internal rotation through the end of the swing phase and the beginning of the stance phase and by decreasing tibial internal rotation during the stance phase. ","PeriodicalId":89787,"journal":{"name":"ISRN orthopedics","volume":"2012 ","pages":"396718"},"PeriodicalIF":0.0,"publicationDate":"2012-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.5402/2012/396718","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32464196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 13

Three-Dimensional Volume-Rendered Series Complements 2D Orthogonal Multidetector Computed Tomography in the Evaluation of Abnormal Spinal Curvature in Patients at a Major Cancer Center: A Retrospective Review. 三维体渲染序列补充二维正交多探测器计算机断层扫描在评估主要癌症中心患者脊柱弯曲异常中的作用:回顾性回顾。

ISRN orthopedics Pub Date : 2012-10-04 eCollection Date: 2012-01-01 DOI: 10.5402/2012/639189

J Matthew Debnam, Leena Ketonen, Nandita Guha-Thakurta

{"title":"Three-Dimensional Volume-Rendered Series Complements 2D Orthogonal Multidetector Computed Tomography in the Evaluation of Abnormal Spinal Curvature in Patients at a Major Cancer Center: A Retrospective Review.","authors":"J Matthew Debnam, Leena Ketonen, Nandita Guha-Thakurta","doi":"10.5402/2012/639189","DOIUrl":"https://doi.org/10.5402/2012/639189","url":null,"abstract":"Background. Abnormal spinal curvature is routinely assessed with plain radiographs, MDCT, and MRI. MDCT can provide two-dimensional (2-D) orthogonal as well as reconstructed three-dimensional volume-rendered (3-D VR) images of the spine, including the translucent display: a computer-generated image set that enables the visualization of surgical instrumentation through bony structures. We hypothesized that the 3-D VR series provides additional information beyond that of 2-D orthogonal MDCT in the evaluation of abnormal spinal curvature in patients evaluated at a major cancer center. Methods. The 3-D VR series, including the translucent display, was compared to 2-D orthogonal MDCT studies in patients with an abnormal spinal curvature greater than 25 degrees and scored as being not helpful (0) or helpful (1) in 3 categories: spinal curvature; bony definition; additional findings (mass lesions, fractures, and instrumentation). Results. In 38 of 48 (79.2%) patients assessed, the 3-D VR series were scored as helpful in 63 of 144 (43.8%) total possible categories (32 spinal curvature; 14 bony definition; 17 additional findings). Conclusion. Three-dimensional MDCT images, including the translucent display, are complementary to multiplanar 2-D orthogonal MCDT in the evaluation of abnormal spinal curvature in patients treated at a major cancer center. ","PeriodicalId":89787,"journal":{"name":"ISRN orthopedics","volume":"2012 ","pages":"639189"},"PeriodicalIF":0.0,"publicationDate":"2012-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.5402/2012/639189","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32465718","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1