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https://www.readbyqxmd.com/read/28223094/a-decade-of-the-catalonian-arthroplasty-register-racat-variability-exhaustivity-and-survival-of-prostheses-between-2005-and-2014
#1
J Arias-de la Torre, A Capdevila, O Martínez, L Domingo, M Marinelli, N Robles, J Nardi, L Puig-Verdié, F Pallisó, M Espallargues
BACKGROUND AND AIM: The Catalonian Arthroplasty Register (RACat) is a public health-based population register used to analyse and evaluate hip and knee replacements in Catalonia. The aim of this study is to present the outcomes after 10 years in operation (January 2005-December 2014). METHODOLOGY: Using the information from the RACat and the minimum basic data set at hospital discharge, an analysis was made of the quality and exhaustivity of the data, as well as a descriptive analysis of the patients, prostheses, and care process...
February 17, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28218374/the-spaire-technique-allows-sparing-of-the-piriformis-and-obturator-internus-in-a-modified-posterior-approach-to-the-hip
#2
Richard J Hanly, Sabrina Sokolowski, Andrew John Timperley
INTRODUCTION: The Sparing Piriformis and Internus, Repair Externus (SPAIRE) technique allows a muscle sparing mini-posterior approach to the hip. METHOD: We present in this article a description of an adaptation of the familiar posterior approach (PA) in which the only tendon released is obturator externus. Termed SPAIRE, this muscle sparing technique enables preservation of the piriformis tendon and conjoint insertion of obturator internus and the gemelli. The technical description allows for safe and reliable replication by any surgeon familiar with the posterior approach (PA) to the hip without reliance on additional equipment, and without compromising the ability to convert into a more extensile approach...
February 8, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28184362/uncemented-total-hip-replacement-after-two-years-of-neglected-hip-dislocation-with-fracture-of-posterior-column-and-wall-of-the-acetabulum
#3
Sundaresh Dc, Sharath K Ramanath, Amit Grover, Daksh Gadi
INTRODUCTION: Posterior hip dislocation of the hip with acetabular fracture is a challenging problem to treat. Such dislocations are associated with avascular necrosis of the femoral head if neglected. Managing such conditions with total hip replacement (THR) is very difficult because of associated altered anatomy. CASE PRESENTATION: We hereby report a two-year neglected hip dislocation with associated acetabular fracture successfully treated with uncemented THR...
November 2016: Trauma Monthly
https://www.readbyqxmd.com/read/28104228/the-efficacy-of-posterior-plating-and-anterior-column-screw-fixation-in-the-management-of-t-shaped-acetabular-fractures-cart-analysis-of-prospective-cohort-study
#4
A S Hammad, T A El-Khadrawe, A H Waly, G A Abu-Sheasha
T-shaped acetabular fractures are challenging injuries. The goal of surgical treatment is to achieve a stable and a concentric reduction of the femoral head under the anatomically reduced weight-bearing dome. There is an ongoing debate about the ideal approach and fixation method for T-shaped fractures. In this study, a group of 34 patients with T-shaped acetabular fractures were treated by posterior plating and anterior column screw. All patients, were followed for at least two years or until hip replacement...
January 9, 2017: Injury
https://www.readbyqxmd.com/read/28053386/early-clinical-and-radiological-results-of-minimally-invasive-total-hip-replacement
#5
Özgür Karakoyun, Mehmet Fatih Erol, Ahmet Aslan, Mesut Karıksız, Burak Günaydın
INTRODUCTION: It is critical to achieve both proper component positioning and intact muscle balance if satisfactory results are to be attained after total hip replacement (THR). There have been fewer studies on minimally invasive (MI) THR than standard approaches. The objective of this paper is to present the early clinical and radiological results of posterolateral MI THR. MATERIALS AND METHODS: The retrospective analysis of the records of patients undergoing posterolateral MI THR surgery between 2011 and 2014 was the basis of this study...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28012048/segmental-acetabular-rim-defects-bone-loss-oversizing-and-press-fit-cup-in-total-hip-arthroplasty-evaluated-with-a-probabilistic-finite-element-analysis
#6
Farid Amirouche, Giovanni F Solitro, Amit Walia, Mark Gonzalez, Aimee Bobko
PURPOSE: Management of segmental rim defects and bone mineral density (BMD) loss in the elderly prior to total hip replacement is unclear within classification systems for acetabular bone loss. In this study, our objectives were (1) to understand how a reduction in BMD in the elderly affects the oversizing of a press-fit cup for primary fixation and (2) to evaluate whether the location of the segmental defect affected cup fixation. METHODS: A finite element (FE) model was used to simulate and evaluate cup insertion and fixation in the context of segmental rim defects...
December 23, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27900304/clinical-outcome-of-design-modifications-to-the-cls-spotorno-stem-in-total-hip-replacement
#7
Angelo Graceffa, Pier Francesco Indelli, Leonardo Latella, Paolo Poli, Alexander Fulco, Massimiliano Marcucci
PURPOSE: historically, the original CLS Spotorno Stem has demonstrated excellent survival. The design of this stem was recently modified, resulting in the introduction of a shorter, modular version (CLS Brevius). The purpose of the current study was to evaluate the functional, radiological and survivorship outcomes of the cementless CLS Brevius Stem in a multi-surgeon, single center, consecutive series study at two years post-surgery. METHODS: the Authors performed 170 total hip arthroplasties in 155 patients using the shorter, triple-taper stem design (CLS Brevius)...
July 2016: Joints
https://www.readbyqxmd.com/read/27558239/accuracy-of-a-modified-axiolateral-radiographic-hip-projection-in-suspected-cases-of-hip-fracture-experience-and-results-from-a-regional-trauma-centre
#8
Wan Chin Lee, Felicia Yanyan Luo, Katherine Kai Qian Tiong, Nicholas Wai Kit Chia, Lisa Mui Hiong Tham, Tien Jin Tan
Conventional radiographs play an important role as a first line imaging modality in the assessment for suspected hip fractures in the majority of trauma centres. The routinely performed radiographic projections in our emergency department for patients with clinically suspected hip fractures include antero-posterior (AP) and cross-table lateral views of the affected hip. Certain clinical scenarios which include the presence of significant pain of the injured lower limb, a large patient habitus, as well as pre-existing patient morbidity which would limit the range of motion of the lower limbs, for example the presence of prior joint replacement surgery or lower limb contractures, may however preclude proper positioning of the patient to obtain an optimal cross-table lateral view of the affected hip...
August 24, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27540011/long-term-functional-and-radiographic-outcome-of-a-mobile-bearing-ankle-prosthesis
#9
Yvonne R A Kerkhoff, Nienke M Kosse, Wieneke P Metsaars, Jan Willem K Louwerens
BACKGROUND: Total ankle arthroplasty is an accepted alternative to arthrodesis of the ankle. However, complication and failure rates remain high. Long-term results of the Scandinavian Total Ankle Replacement (STAR) are limited, with variable complication and failure rates observed. This prospective study presents the long-term survivorship and postoperative complications of the STAR prosthesis. METHODS: Between May 1999 and June 2008, 134 primary total ankle arthroplasties were performed using the STAR prosthesis in 124 patients...
December 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27511470/comparison-of-open-reduction-and-internal-fixation-and-primary-total-hip-replacement-for-osteoporotic-acetabular-fractures-a-retrospective-clinical-study
#10
Sebastian P Boelch, Martin C Jordan, Rainer H Meffert, Hendrik Jansen
PURPOSE: Treating acetabular fractures with open reduction and internal fixation (ORIF) may lead to poorer outcomes in older patients. As data for osteoporotic acetabular fractures are limited, we compared primary total hip replacement (THR) with ORIF for treating osteoporotic acetabular fractures, including those with posterior column instability. METHODS: All patients with osteoporotic acetabular fractures, treated with ORIF or primary THR from 2005 to 2015, were assessed retrospectively for clinical and radiologic outcomes...
August 10, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27484490/the-cost-and-outcome-effectiveness-of-total-hip-replacement-technique-choice-and-volume-output-effects-matter
#11
Jonathan P Goldstein, George M Babikian, Adam J Rana, Johanna A Mackenzie, Andrew Millar
BACKGROUND: Total hip replacement (THR) must be managed in a more sustainable manner. More cost-effective surgical techniques and the centralization/regionalization of services are two solutions. The former requires an assessment of newer minimally invasive and muscle-sparing surgical techniques. The latter necessitates an effective volume-outcome (VO) relationship. Prior studies have failed to evaluate and control for the VO relation. OBJECTIVE: The objective of this study was to evaluate the relative cost and outcome effectiveness of two minimally invasive and one muscle-sparing techniques while evaluating and controlling for a potentially endogenous VO relation...
December 2016: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/27461924/transtrochanteric-rotational-osteotomy-for-avascular-necrosis-of-the-femoral-head-after-unstable-slipped-capital-femoral-epiphysis-10-year-clinical-results
#12
Yasuharu Nakashima, Takuaki Yamamoto, Jun-Ichi Fukushi, Goro Motomura, Satoshi Hamai, Yusuke Kohno, Yukihide Iwamoto
BACKGROUND: Avascular necrosis of the femoral head (AVN) is the most serious complication after unstable slipped capital femoral epiphysis (SCFE), and is often unsalvageable. We report a minimum 10 years of clinical results for transtrochanteric rotational osteotomy of the femoral head (TRO) for AVN. METHODS: This study included 7 patients (7 hips) with a mean age at surgery of 13.3 years, and the follow-up period was 15.8 years. All patients had prior treatment via closed reduction and pinning of the unstable SCFE, and showed severely collapsed femoral heads...
November 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27425041/variable-surgical-outcomes-after-hospital-consolidation-implications-for-local-health-care-delivery
#13
Victor Chang, Robert H Blackwell, Ryan M Yau, Stephanie Besser, Joslyn M Albright, Gopal N Gupta, Paul C Kuo, Anai N Kothari
BACKGROUND: With more hospital consolidations as an inevitable part of our future health care ecosystem, we investigated the relationship between hospital consolidations and operative outcomes. METHODS: Using the Health Care Cost and Utilization Project State Inpatient Database (Florida and California), the American Hospital Association Annual Survey Database, and Medicare's Case Mix Index data, we identified 19 hospitals that consolidated between 2007 and 2013 and propensity matched them with 19 independent hospitals, using patient and hospital characteristics...
November 2016: Surgery
https://www.readbyqxmd.com/read/27391328/comparative-analysis-of-the-biomechanical-behaviour-of-two-cementless-short-stems-for-hip-replacement-linea-anatomic-and-minihip
#14
Sergio Gabarre, Antonio Herrera, Elena Ibarz, Jesús Mateo, Jorge Gil-Albarova, Luis Gracia
A comparative study between two stems (Linea Anatomic and Minihip) has been performed in order to analyse the differences in their biomechanical behaviour, concerning stem micromotions and load transmission between stem and bone. From the corresponding finite element models, a parametric study was carried out to quantify ranges of micromotions taking into account: friction coefficient in the stem-bone interface, press-fit and two types of gait cycle. Micromotions were evaluated for each stem at six different levels along repeated gait cycles...
2016: PloS One
https://www.readbyqxmd.com/read/27366952/-surgical-treatment-of-acetabulum-fractures-with-a-new-acetabulum-butterfly-plate
#15
A Schäffler, T Freude, F Stuby, D Höntzsch, J Veltkamp, U Stöckle, B König
Introduction: There have been significant increases in the number of acetabular fractures in elderly patients with primarily ventral pathology and medial protrusion of the femoral head. We have developed the "acetabulum wing plate", which is designed to facilitate repositioning, with its anatomically precontoured structure, and which offers full support of the quadrilateral surface, thus counteracting the force of the femoral head pushing inwards. Conventional plate osteosynthesis only provides insufficient support to the medial surface...
October 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/27323223/serum-metal-concentrations-in-subjects-with-titanium-ceramic-composite-cervical-disc-replacements
#16
Matthew F Gornet, Vaneet Singh, Francine W Schranck, Anastasia K Skipor, Joshua J Jacobs
STUDY DESIGN: Prospective longitudinal study. OBJECTIVE: The serum titanium (Ti) concentrations were examined in patients implanted with a PRESTIGE LP™ Cervical Disc System (Medtronic, Inc., Memphis, TN). The metal-on-metal disc with ball-in-trough articulation is made of titanium alloy/titanium carbide composite (Ti-6Al-4 V/TiC). SUMMARY OF BACKGROUND DATA: Cervical disc arthroplasty (CDA) provides a motion-preserving treatment alternative to anterior cervical discectomy and fusion for degenerative cervical disc disease...
June 17, 2016: Spine
https://www.readbyqxmd.com/read/27299095/avascular-necrosis-of-acetabulum-the-hidden-culprit-of-resistant-deep-wound-infection-and-failed-fixation-of-fracture-acetabulum-a-case-report
#17
Kandhari V K, Desai M M, Bava S S, Wade R N
INTRODUCTION: Chances of avascular necrosis of acetabulum are rare as it enjoys a rich blood supply. But cases of post - traumatic avascular necrosis of acetabulum following fracture of posterior column have been well documented. Importance of identifying and suspecting the avascular necrosis of acetabulum is essential in cases of failed fixation of fracture acetabulum, previously operated using extensile approach to acetabulum; either extended anterior ilio - femoral or tri - radiate approach...
October 2015: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27271755/a-treatment-strategy-to-avoid-iatrogenic-pipkin-type-iii-femoral-head-fracture-dislocations
#18
Kyeong-Hyeon Park, Ji-Wan Kim, Chang-Wug Oh, Joon-Woo Kim, Jong-Keon Oh, Hee-Soo Kyung
INTRODUCTION: Reduction is urgently required in cases of traumatic hip dislocation to decrease the risk of avascular necrosis of the femoral head. However, successful reduction may not always be feasible for hip dislocations associated with femoral head fractures. This irreducibility may provoke further incidental fractures of the femoral neck with resultant Pipkin type III injuries. The purpose of this study was to describe an appropriate treatment strategy for irreducible femoral head fracture-dislocations...
August 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27233599/functional-and-clinical-outcomes-following-anterior-hip-replacement-a-5-year-comparative-study-versus-posterior-approach
#19
COMPARATIVE STUDY
Umatheepan Balasubramaniam, Michelle Dowsey, Francis Ma, Anthony Dunin, Peter Choong
BACKGROUND: With the evolution of total hip joint replacement techniques, there has been a trend towards minimally invasive surgery. The anterior approach (AA) to total hip arthroplasty has been widely associated with less soft tissue damage. The aim of our study was to compare clinical and 1-year functional outcomes for AA hip arthroplasty versus a posterior approach (PA). METHOD: We retrospectively reviewed 92 (50 anterior and 42 posterior) total hip replacements performed at our centre between 2006 and 2011...
July 2016: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/27229166/acetabuloplasty-at-the-anatomic-centre-for-treating-crowe-class-iii-and-iv-developmental-hip-dysplasia-a-case-series
#20
Cengiz Sen, Kerem Bilsel, Mehmet Elmadag, Taner Gunes, Baransel Saygi
INTRODUCTION: Total hip replacement in patients with developmental dysplasia of the hip (DDH) is a difficult technical procedure for surgeons to perform because of the potential for these patients to have severe anomalies in their bones and soft tissues. MATERIALS AND METHODS: We performed acetabuloplasty in 54 hips from 44 patients by reaming the posterior wall of the native acetabulum and medialising the acetabular component to restore the anatomic centre of hip rotation using a small cup without bone grafting...
July 25, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
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