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https://www.readbyqxmd.com/read/28728303/-enhancing-soft-tissue-reattachment-with-artificial-mesh-in-joint-endoprosthetic-reconstruction-for-bone-tumors
#1
J S Lin, R Chen, W Yan, D D Chen
Objective: To investigate the operative method and clinical application of the BARD(®) Mesh in enhancing joint stability and function of endoprosthetic reconstruction for bone tumors. Methods: From Jan 2013 to Jun 2015, the clinical data of 51 patients aged (44.75±23.18) years underwent wide resection of tumor and endoprosthetic reconstruction using the BARD(®) Mesh were collected. Among them, 27 were male and 24 were female. The surgical treatments received by these patients included 5 shoulder arthroplasties, 12 elbow replacements, 12 hip replacements and 32 knee replacements (including 24 femoral tumors and 8 tibial tumors)...
July 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28728261/-characteristics-of-the-joint-involvement-in-fibrodysplasia-ossificans-progressiva-and-follow-up
#2
J Zhu, Y Liu, Y Yang, J M Lai, G X Su, M Kang, S N Li, Z X Zhou, F Q Wu
Objective: To summarize the clinical data of 15 patients with fibrodysplasia ossificans progressiva (FOP), follow up and analyze the characteristics of the joint involvement in FOP. Method: From May 2005 to December 2016, fifteen FOP cases had been diagnosed in the Children's Hospital Capital Institute of Pediatrics. All medical records and follow-up data were collected and a retrospective analysis was made on the joint involvement in FOP. Pearson correlation analysis was used for data, P<0.05 for the difference was statistically significant...
July 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28728076/age-explains-limited-hip-extension-recovery-at-one-year-from-total-hip-arthroplasty
#3
Davide Mazzoli, Erika Giannotti, Maria Longhi, Paolo Prati, Stefano Masiero, Andrea Merlo
BACKGROUND: To investigate the dependency of the one-year recovery in gait after total hip arthroplasty on age and preoperative conditions. METHODS: Longitudinal retrospective study on 20 elderly patients with unilateral total hip arthroplasty consequent to hip osteoarthritis, assessed by gait analysis before surgery (T0), 2weeks (T1), 6 (T2) and 12months (T3) post-surgery. A set of variables assessing primary gait deviations and compensatory mechanisms were extracted from gait analysis data...
July 5, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28725437/towards-evidence-based-strength-training-a-comparison-of-muscle-forces-during-deadlifts-goodmornings-and-split-squats
#4
Florian Schellenberg, William R Taylor, Silvio Lorenzetti
BACKGROUND: To ensure an efficient and targeted adaptation with low injury risk during strength exercises, knowledge of the participant specific internal loading conditions is essential. The goal of this study was to calculate the lower limb muscles forces during the strength exercises deadlifts, goodmornings and splits squats by means of musculoskeletal simulation. METHODS: 11 participants were assessed performing 10 different variations of split squats by varying the step length as well as the maximal frontal tibia angle, and 13 participants were measured performing deadlift and goodmorning exercises...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28725121/a-comparison-of-the-omega-and-posterior-approaches-on-patient-reported-function-and-radiological-outcomes-following-total-hip-replacement
#5
James R Berstock, Ashley W Blom, Michael R Whitehouse
BACKGROUND: The omega approach represents a modification of the lateral approach to the hip for joint replacement. It was developed to reduce the potential for gluteus muscle dysfunction and thereby improve functional outcome following hip replacement. METHODS: A cohort of 415 consecutive hip replacements receiving the same type of cemented femoral component were followed up at a mean of three years postoperatively and invited to complete functional outcome and satisfaction scores...
September 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28724376/sonication-contribution-to-identifying-prosthetic-joint-infection-with-ralstonia-pickettii-a-case-report-and-review-of-the-literature
#6
Rares Mircea Birlutiu, Mihai Dan Roman, Razvan Silviu Cismasiu, Sorin Radu Fleaca, Crina Maria Popa, Manuela Mihalache, Victoria Birlutiu
BACKGROUND: In the context of an increase number of primary and revision total hip and total knee arthroplasty performed yearly, an increased risk of complication is expected. Prosthetic joint infection (PJI) remains the most common and feared arthroplasty complication. Ralstonia pickettii is a Gram-negative bacterium, that has also been identified in biofilms. It remains an extremely rare cause of PJI. There is no report of an identification of R. pickettii on an extracted spacer loaded with antibiotic...
July 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28723822/biomechanical-differences-in-female-basketball-and-soccer-players-during-multi-directional-jump-landings
#7
Jeffrey B Taylor, Kevin R Ford, Randy J Schmitz, Scott E Ross, Terry A Ackerman, Sandra J Shultz
Anterior cruciate ligament injury prevention programs are less successful in basketball than soccer and may be due to distinct movement strategies that these athletes develop from sport-specific training. The purpose of this study was to identify biomechanical differences between female basketball and soccer players during multi-directional jump landings. Lower extremity biomechanics of eighty-nine female athletes who played competitive basketball (n=40) or soccer (n=49) at the middle- or high-school level were analyzed with three-dimensional motion analysis during a drop vertical jump (DVJ), double- (SAG-DL) and single-leg forward jump (SAG-SL), and double- (FRONT-DL) and single-leg (FRONT-SL) lateral jump...
July 14, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28721093/gout-mimicking-spondyloarthritis-case-report-and-literature-review
#8
Wenji Chen, Yanyan Wang, Yan Li, Zheng Zhao, Lixia Feng, Jian Zhu, Jianglin Zhang, Feng Huang
Gout is clinically characterized by episodes of monoarthritis, which not only typically affects the peripheral joints but also occasionally affect the axial joint, such as the sacroiliac joint (SIJ), and often mimics spondyloarthritis (SpA). Two cases of gout mimicking SpA are presented in the current paper. One patient was a 32-year-old man with a history of asymmetrical oligoarthritis of ankle and metatarsophalangeal joints (MTPJ). He had left gluteal pain for 2 weeks. Computed tomography (CT) and magnetic resonance imaging (MRI) revealed the bone erosion of the left SIJ...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28720992/ganglion-cyst-of-the-hip-mimicking-lumbar-disk-herniation-a-case-report
#9
Devendra Lakhotia, Kumar Prashant, Won Yong Shon
Sciatic nerve compression due to a ganglion cyst around the posterior aspect of the hip joint is not commonly described in literature. We report a rare case of a 63-year-old man with a ganglion cyst around his hip joint, who presented with symptoms of sciatica. After excision of the cyst, the patient was symptom free. A high index of clinical doubt and detailed clinical examination is required for non-palpable cystic lesions in close proximity to the sciatic nerve in patients presenting with symptoms of sciatica and in patients with concomitant of lumbar disk herniation...
April 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28719561/arterial-topographic-anatomy-near-the-femoral-head-neck-perforation-with-surgical-relevance
#10
Paulo Rego, Vasco Mascarenhas, Diego Collado, Ana Coelho, Luis Barbosa, Reinhold Ganz
BACKGROUND: Knowledge of the vascular supply of the femoral head is crucial for hip-preserving surgical procedures. The critical area for reshaping cam deformity is at the retinacular vessel penetration, an area with ill-defined topographic anatomy. We performed a cadaver study of the extension of the lateral retinaculum near the head-neck junction, distribution of the arterial vascular foramina, and initial intracapital course of these vessels. METHODS: In 16 fresh proximal parts of the femur without head-neck deformities, the deep branch of the medial femoral circumflex artery was injected with gadolinium for magnetic resonance imaging (MRI) sequences to identify arterial structures...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28719557/functional-gain-and-pain-relief-after-total-joint-replacement-according-to-obesity-status
#11
Wenjun Li, David C Ayers, Courtland G Lewis, Thomas R Bowen, Jeroan J Allison, Patricia D Franklin
BACKGROUND: Obesity has been associated with lower function and more pain before and after total hip or knee replacement (THR or TKR). We examined the changes between preoperative and postoperative function and pain in a large representative U.S. cohort to determine if there was a relationship to obesity status. METHODS: Preoperative and 6-month postoperative data on function (Short Form-36 Physical Component Summary [PCS] score), joint pain (Hip disability and Osteoarthritis Outcome Score and Knee injury and Osteoarthritis Outcome Score), and body mass index (BMI) were collected from a national sample of 2,040 patients who had undergone THR and 2,964 who had undergone TKR from May 2011 to March 2013...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28719477/gait-analysis-on-force-treadmill-in-children-comparison-with-results-from-ground-based-force-platforms
#12
Luigi Tesio, Chiara Malloggi, Nicola M Portinaro, Luigi Catino, Nicola Lovecchio, Viviana Rota
Gait analysis (GA) typically includes surface electromyographic (sEMG) recording from several lower limb muscles, optoelectronic measurement of joint rotations, and force recordings from ground-based platforms. From the latter two variables, the muscle power acting on the lower limb joints can be estimated. Recently, gait analysis on a split-belt force treadmill (GAFT) was validated for the study of adult walking. It showed high reliability of spatiotemporal, kinematic, dynamic, and sEMG parameters, matching those obtainable with GA on the basis of ground walking...
July 17, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28718217/a-3d-musculoskeletal-model-of-the-western-lowland-gorilla-hind-limb-moment-arms-and-torque-of-the-hip-knee-and-ankle
#13
Colleen Goh, Mary L Blanchard, Robin H Crompton, Michael M Gunther, Sophie Macaulay, Karl T Bates
Three-dimensional musculoskeletal models have become increasingly common for investigating muscle moment arms in studies of vertebrate locomotion. In this study we present the first musculoskeletal model of a western lowland gorilla hind limb. Moment arms of individual muscles around the hip, knee and ankle were compared with previously published data derived from the experimental tendon travel method. Considerable differences were found which we attribute to the different methodologies in this specific case...
July 17, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28717888/acetabular-labral-reconstruction-using-the-indirect-head-of-the-rectus-femoris-tendon-significantly-improves-patient-reported-outcomes
#14
Eyal Amar, Thomas G Sampson, Zachary T Sharfman, Alyssa Caplan, Noa Rippel, Ran Atzmon, Michael Drexler, Ehud Rath
PURPOSE AND HYPOTHESIS: The aim of this study was to evaluate outcomes after acetabular labral reconstruction using the indirect head of the rectus femoris tendon. The study hypothesis stated that arthroscopic acetabular labral reconstruction may improve patient reported outcomes in patients with labral tears that were not amenable to repair. METHODS: Between 2009 and 2015, the senior author performed 31 acetabular labral reconstructions using the indirect head of the rectus femoris tendon...
July 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28717620/the-influence-of-muscle-tendon-forces-on-acl-loading-during-jump-landing-a-systematic-review
#15
REVIEW
Katja Oberhofer, S H Hosseini Nasab, Pascal Schütz, Barbara Postolka, Jess G Snedeker, William R Taylor, Renate List
BACKGROUND: The goal of this review is to summarise and discuss the reported influence of muscle-tendon forces on anterior cruciate ligament (ACL) loading during the jump-landing task by means of biomechanical analyses of the healthy knee. METHODS: A systematic review of the literature was conducted using different combinations of the terms "knee", "ligament", "load", "tension ", "length", "strain", "elongation" and "lengthening". 26 original articles (n=16 in vitro studies; n=10 in situ studies) were identified which complied with all inclusion/exclusion criteria...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28716659/articulating-antibiotic-impregnated-spacers-in-prosthetic-joint-infections-where-do-we-stand
#16
Owen J Diamond, Bassam A Masri
Peri-prosthetic joint infection remains one of the most difficult and challenging complications following hip and knee arthroplasty for both patients and surgeons. Two-stage revision arthroplasty for infection remains the most popular option for the majority of patients and arguably the only option for some. The use antibiotic spacers and in particular articulating spacers has improved the quality of life for patients between stages. The spacers provides local delivery of high concentration antibiotics and provides many benefits to the soft tissues including maintaining soft tissue tension and range of movement...
July 14, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28715928/lack-of-evidence-the-anti-stepwise-introduction-of-metal-on-metal-hip-replacements
#17
Aleksi Reito, Lari Lehtovirta, Olli Lainiala, Keijo Mäkelä, Antti Eskelinen
Background and purpose - Orthopedics and especially joint replacement surgery have had more than their fair share of unsuccessful innovations that have violated widely endorsed principles for the introduction of new surgical innovations. We aimed to investigate (1) the trends in the use of the Birmingham Hip Resurfacing (BHR), the ASR hip resurfacing (ASR HRA) and the ASR XL total hip replacement (ASR XL THR) system with very different market approval processes and (2) whether their use was corroborated by clinical trials published in the peer-reviewed literature...
July 18, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28715720/extreme-dilatation-of-the-interposed-jejunal-pouch-after-proximal-gastrectomy-associated-with-portal-venous-gas-a-case-report
#18
Michinaga Takahashi, Shinji Goto, Tatsuya Ueno, Kentaro Shima, Koetsu Inoue, Daisuke Douchi, Orie Nishina, Hiroo Naito
INTRODUCTION: The jejunal pouch interposition (JPI) after proximal gastrectomy (PG) was proposed as a reconstructive procedure to provide a gastric reservoir substitute and prevent postgastrectomy syndrome. However, food residue remaining in some of the pouches resulted in the adverse effect of abdominal bloating, thereby body weight loss. Here, we report a rare case with an extreme dilation of the interposed jejunal pouch (JP) 8 years after PG, requiring pouch resection. PRESENTATION OF CASE: A 65-year-old-man who had undergone PG with an inverted U-shaped JPI for early gastric cancer 8 years previously, suffered from shock after right hip joint implantation...
July 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28715055/risk-of-surgical-site-infections-following-hip-and-knee-arthroplasty-results-of-the-ischia-gisio-study
#19
A Agodi, F Auxilia, M Barchitta, M L Cristina, D D'Alessandro, I Mura, M Nobile, C Pasquarella, Gisio Gisio-SItI
BACKGROUND: Surgical Site Infection (SSI) is one of the major complications following insertion of hip or knee prosthesis. The aim of the present study was to describe rates of SSIs and associated risk factors during hip and knee prosthesis procedures in Italian hospitals. METHODS: Italian hospitals were invited to join the ISChIA (Surgical Site Infections in Arthroplasty Surgery) project and participated in the study on a voluntary basis. SSI surveillance was performed according to the Hospitals in Europe Link for Infection Control through Surveillance (HELICS) -SSI protocol...
September 2017: Annali di Igiene: Medicina Preventiva e di Comunità
https://www.readbyqxmd.com/read/28714838/lower-extremity-muscle-activity-kinematics-and-dynamic-postural-control-in-individuals-with-patellofemoral-pain
#20
Shiho Goto, Naoko Aminaka, Phillip A Gribble
CONTEXT: Altered lower extremity muscle activity has been suggested to be associated with lower extremity kinematics in individuals with patellofemoral pain (PFP). However, few studies examined these relationships and the results are inconsistent. OBJECTIVES: To compare the lower extremity muscle activity, kinematics, pain level, and reach distance during the anterior reach of the Star Excursion Balance Test (SEBT) between participants with PFP and healthy individuals (CON)...
July 17, 2017: Journal of Sport Rehabilitation
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