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https://www.readbyqxmd.com/read/29458202/validity-of-the-intra-operative-measurement-of-stem-anteversion-and-factors-for-the-erroneous-estimation-in-cementless-total-hip-arthroplasty-using-postero-lateral-approach
#1
Y K Lee, J W Kim, T Y Kim, Y C Ha, K H Koo
BACKGROUND: Intra-operative estimation of stem anteversion in total hip arthroplasty (THA) using postero-lateral approach is made by the surgeon's visual assessment, using the tibia as a guide, with the assumption that tibial axis is vertical to the trans-epicondylar axis. However, the accuracy of the intra-operative estimation has rarely been verified with postoperative CT-scans, with controversies regarding these measurements particularly in case of knee osteoarthritis. Therefore we performed a prospective study to: 1) determine the accuracy of the intra-operative measurement and 2) investigate factors affecting the discrepancy between the surgeon's estimation and the real stem anteversion HYPOTHESIS: Intra-operative estimation of stem anteversion correlated with the real stem anteversion on CT scan...
February 16, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29457707/peripheral-neurostimulation-breaks-the-shuffling-steps-patterns-in-parkinsonian-gait-a-double-blind-randomized-longitudinal-study-with-automated-mechanical-peripheral-stimulation
#2
Manuela Galli, Caterina Vicidomini, Ana F Rozin Kleiner, Laura Vacca, Veronica Cimolin, Claudia Condoluci, Fabrizio Stocchi, Maria F DE Pandis
BACKGROUND: The shuffling steps pattern is a typical feature of gait in patients affected by Parkinson's Disease (PD), which progressively reduces their quality of life, being related to the risk of falls in this population. Recently, Automated Mechanical Peripheral Stimulation (AMPS) was presented as an integrative rehabilitative treatment based on peripheral stimulation able to improve the gait spatiotemporal parameters in PD patients. AIM: To evaluate the effects of AMPS on shuffling steps pattern by analyzing the kinematic and spatio-temporal gait parameters...
February 19, 2018: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29457404/-perioperative-and-drug-management-of-patients-with-rheumatoid-arthritis-treated-with-joint-replacement
#3
REVIEW
Jun Liu, Ping Zhen, Sheng-Hu Zhou, Qi Tian, Hui Chen, Jie Shi, Wei Wang, Xiao-le He, Xu-Sheng Li
Rheumatoid arthritis (RA) is a most common inflammatory joint disease with direct invasion of joint synovial membrane, cartilage and bone. Currently, although the RA mitigation drugs are being improved continously, but these drugs only can delay the development of joint dysfunction. Total hip arthroplasty or total knee arthroplasty(THA or TKA) has become the only choices for patients with advanced RA, and the joint function and deformity of the patients after surgical treatment can be improved to some extent...
November 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455920/operating-room-traffic-in-total-joint-arthroplasty-identifying-patterns-and-training-the-team-to-keep-the-door-shut
#4
William G Hamilton, Colleen B Balkam, Richard L Purcell, Nancy L Parks, Jill E Holdsworth
BACKGROUND: Surgical site infections after joint arthroplasty are devastating complications and are influenced by patient, surgical, and operating room environmental factors. METHODS: In an effort to reduce the incidence of door openings (DOs) during total joint arthroplasty cases, this prospective observational study consisted of 3 phases. Phase 1 determined the baseline incidence of DOs, followed by installation of a mechanical door counter (phase 2). Finally, an educational seminar was presented to all personnel (phase 3) regarding the implications frequent DOs have on patient and surgical outcomes...
February 15, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29453810/a-case-control-study-and-meta-analysis-reveal-the-association-between-cox-2-g-765c-polymorphism-and-primary-end-stage-hip-and-knee-osteoarthritis
#5
Wei Huang, Chen Deng, Feng Tian, Weilu Gao, Zhenfei Ding, Xianliang Rao, Zongsheng Yin
BACKGROUND: Osteoarthritis (OA) is a popular arthrosis featured as pain, limited joint activity, and deformity. Cyclooxygenase-2 (COX-2) has been reported to be up-regulated in arthritic tissues and is integral to the progression of osteoarthritis (OA). Previous studies showed the COX-2 promoter G-765C polymorphism could influence COX-2 expression. However, the relationship between the variant and OA risk is contrasting. METHODS: We conducted a case-control study with 196 primary end-stage hip and knee OA cases and 196 controls in a Chinese Han population...
February 17, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29453622/cognitive-mediators-of-change-in-physical-functioning-in-response-to-a-multifaceted-intervention-for-managing-osteoarthritis
#6
Shannon Stark Taylor, Eugene Z Oddone, Cynthia J Coffman, Amy S Jeffreys, Hayden B Bosworth, Kelli D Allen
PURPOSE: Although non-pharmacological interventions have been shown to improve physical functioning in individuals with osteoarthritis (OA), the mechanisms by which this occurs are often unclear. This study assessed whether changes in arthritis self-efficacy, perceived pain control, and pain catastrophizing mediated changes in physical functioning following an osteoarthritis intervention involving weight management, physical activity, and cognitive-behavioral pain management. METHOD: Three hundred Veteran patients of 30 primary care providers with knee and/or hip OA were cluster randomized to an OA intervention group or usual care...
February 16, 2018: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/29453585/predicting-hospital-length-of-stay-and-short-term-function-after-hip-or-knee-arthroplasty-are-both-performance-and-comorbidity-measures-useful
#7
Stéphane Poitras, Kendrick Au, Kristi Wood, Geoffrey Dervin, Paul E Beaulé
PURPOSE: Variations in hospital length of stay (LOS) and function are present after hip or knee arthroplasty. Comorbidity and performance measures have been associated with post-operative outcomes. It is however not known if both independently contribute to outcome prediction. The objective of this study was to evaluate the combined predictive ability of comorbidity scores (American Society of Anesthesiologists classification system (ASA), Charlson comorbidity index (CCI), 2008 version of the CCI (CCI08)) and a performance measure (Timed-Up-and-Go (TUG)) on LOS and short-term function in patients undergoing knee or hip arthroplasty...
February 17, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29452974/-running-two-rooms-does-not-compromise-outcomes-or-patient-safety-in-joint-arthroplasty
#8
William G Hamilton, Henry Ho, Nancy L Parks, Alexander V Strait, Robert H Hopper, James F McDonald, Nitin Goyal, Kevin B Fricka, C Anderson Engh
BACKGROUND: Scrutiny from the federal government and the media regarding the safety of 1 surgeon doing cases in 2 operating rooms (ORs) on the same day, prompted us to examine our own institutional data. Over the past 11 years, surgeons at our facility have operated consecutively in 1 OR on a given day or used 2 alternating ORs. This study compares these cases with a focus on revisions and complications in both groups. METHODS: Six surgeons performed a total of 16,916 primary hip and knee arthroplasties from 2006-2016...
January 31, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29450666/recent-advances-in-hyaluronic-acid-based-therapy-for-osteoarthritis
#9
REVIEW
Steven Bowman, Mohamed E Awad, Mark W Hamrick, Monte Hunter, Sadanand Fulzele
Osteoarthritis is a debilitating disease that has increased in prevalence across the world due to the aging population. Currently, physicians use a plethora of treatment strategies to try and slow down the progression of the disease, but none have been shown to ubiquitously treat and cure the disease. One of the strategies uses the high molecular weight molecule hyaluronic acid as either an injectable or oral supplement for treatment. Hyaluronic acid (HA) is a relatively new treatment that has shown varied results through several clinical trials...
February 16, 2018: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/29450640/incidence-of-perioperative-complications-in-total-hip-and-knee-arthroplasty-in-patients-with-parkinson-disease
#10
Tankamani Sharma, Wolfgang Hönle, René Handschu, Werner Adler, Tarun Goyal, Alexander Schuh
INTRODUCTION: The aim of this study is to evaluate the difference in perioperative complication rate in total hip, bipolar hemiarthroplasties and total knee arthroplasty in patients with Parkinson disease in trauma and elective surgery in our Musculoskeletal Center during a period of 10 years. MATERIAL AND METHOD: Between 2006 and 2016, 45 bipolar hemiarthroplasties in trauma surgery, 15 total knee and 19 total hip arthroplasties in patients with Parkinson's disease were performed...
February 15, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29449003/upper-partial-fibulectomy-improves-knee-biomechanics-and-function-and-decreases-knee-pain-of-osteoarthritis-a-pilot-and-biomechanical-study
#11
Yong Nie, Jun Ma, ZeYu Huang, Bin Xu, Shuo Tang, Bin Shen, Virginia Byers Kraus, FuXing Pei
To investigate the change in clinical outcomes and biomechanical properties of the knee in response to upper partial fibulectomy. Sixteen patients with medial compartment knee osteoarthritis (KOA) underwent upper partial fibulectomy. Visual analog scale (VAS) pain, the hospital for special surgery knee score (HSS), hip-knee-ankle (HKA) angle (measured in the frontal plane), and flexion/extension range of motion of the knee were assessed before and up to 6 months after surgery. Patients were evaluated for gait parameters and overall peak knee adduction moment (KAM)...
December 13, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29448160/multi-plane-multi-joint-lower-extremity-support-moments-during-a-rapid-deceleration-task-implications-for-knee-loading
#12
Jeffery T Podraza, Scott C White, Dan K Ramsey
The principle of lower limb support, and the contribution of hip, knee and ankle moments to an overall limb support strategy for an impact-like, rapid deceleration movement may help explain individual moment magnitude changes, thereby providing insight into how injury might occur or be avoided. Twenty subjects performed single limb, impact-like, deceleration landings at three different knee flexion angles in the range of 0-25, 25-50 and 50-75°. Kinematic and kinetic measures identified hip, knee and ankle moment contribution to limb support moments (LSMs) in three planes...
February 12, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29447910/preventing-non-contact-acl-injuries-in-female-athletes-what-can-we-learn-from-dancers
#13
Catherine Turner, Sarah Crow, Thomas Crowther, Brittany Keating, Trenton Saupan, Jason Pyfer, Kimberly Vialpando, Szu-Ping Lee
OBJECTIVES: To investigate the effects of dance experience and movement instruction on lower extremity kinematics and muscle activation during a landing task. DESIGN: Cross-sectional case control. SETTING: Laboratory setting. PARTICIPANTS: 27 female subjects (age 18-25) in 2 groups: dancers (n = 12) and non-dancers (n = 15). MAIN OUTCOME MEASURES: Lower extremity biomechanics during drop landing were analyzed...
December 23, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29446121/atrophy-of-hip-abductor-muscles-is-related-to-clinical-severity-in-a-hip-osteoarthritis-population
#14
Anita Zacharias, Rodney A Green, Adam Semciw, Daniel J English, Theo Kapakoulakis, Tania Pizzari
INTRODUCTION: Osteoarthritis mainly affects weight-bearing joints such as the hip and knee and is the most common form of arthritis. Greater muscle atrophy with fatty infiltration of gluteal muscles and decreased hip abduction strength has previously been identified with increasing severity of radiological hip OA. However, it is well documented that radiographic findings of OA do not always correlate with clinical severity. The aim of this secondary analysis was to examine whether atrophy and strength of gluteus maximus (GMax), medius (GMed), minimus (GMin), and tensor fascia lata (TFL) is associated with the clinical severity of OA...
February 15, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29444832/differential-contributions-of-specimen-types-culturing-and-16s-rrna-sequencing-in-diagnosis-of-prosthetic-joint-infections
#15
Lone Heimann Larsen, Vesal Khalid, Yijuan Xu, Trine Rolighed Thomsen, Henrik C Schønheyder
Prosthetic joint failure is mainly caused by infection, aseptic failure (AF), and mechanical problems. Infection detection has been improved with modified culture methods and molecular diagnostics. However, comparisons between modified and conventional microbiology methods are difficult, due to variations in specimen sampling. In this prospective, multidisciplinary study of hip or knee prosthetic failures, we assessed the contributions of different specimen types, extended culture incubations, and 16S rRNA sequencing for diagnosing prosthetic joint infections (PJI)...
February 14, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29441817/return-to-surfing-using-an-adapted-prosthesis-a-case-report
#16
Erica Schvirtz, Laurent Bensoussan, Bertrand Tourret Couderc, Jean-Michel Viton, Alain Delarque, Marjorie Kerzoncuf
BACKGROUND: Surfing with transfemoral knee prosthesis requires flexion of the hip, knee, and ankle and balance between flexibility and stiffness of the prosthetic limb. We report on Mr D, a transfemoral amputee, who wanted to surf again. Case Description and Methods: Technical specifications were based on Mr D's complaint. The prosthesis is salt water resistant and combines a shock absorber associated with elastic tendons to permit the knee to bend easily and to facilitate eccentric braking...
February 1, 2018: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29439725/natural-progress-of-d-dimer-following-total-joint-arthroplasty-a-baseline-for-the-diagnosis-of-the-early-postoperative-infection
#17
Yong Seuk Lee, Young-Kyun Lee, Seung Bum Han, Chang Hyun Nam, Javad Parvizi, Kyung-Hoi Koo
BACKGROUND: Early detection followed by prompt intervention is essential for the treatment of periprosthetic joint infection (PJI). D-dimer, a fibrin degradation product, characteristically changes rapidly during early postoperative period and has a short half-life. The aim of this prospective study was to measure postoperative change of D-dimer level after joint arthroplasty in conjunction with ESR and CRP. METHODS: ESR, CRP, and D-dimer levels were measured on the day before surgery, postoperative days 1, 2, 3, and 5 and weeks 2 and 6 in 65 patients who underwent elective primary total hip arthroplasty (38 hips in 38 patients) or total knee arthroplasty (27 knees in 27 patients)...
February 13, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29437053/can-next-generation-sequencing-play-a-role-in-detecting-pathogens-in-synovial-fluid
#18
M Tarabichi, N Shohat, K Goswami, J Parvizi
AIMS: The diagnosis of periprosthetic joint infection can be difficult due to the high rate of culture-negative infections. The aim of this study was to assess the use of next-generation sequencing for detecting organisms in synovial fluid. MATERIALS AND METHODS: In this prospective, single-blinded study, 86 anonymized samples of synovial fluid were obtained from patients undergoing aspiration of the hip or knee as part of the investigation of a periprosthetic infection...
February 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29436758/perception-of-dental-students-on-risk-factors-of-musculoskeletal-disorders
#19
A C Botta, C D Presoto, D Wajngarten, J A D B Campos, P P N S Garcia
OBJECTIVE: To evaluate the validity and reliability of the Job Factors Questionnaire, and the influence of gender, academic level and pain/discomfort on dental students' perception regarding risk factors of musculoskeletal disorders. METHODS: One hundred forty-five dental students from Stony Brook School of Dental Medicine participated voluntarily in this study. The survey was organised in two sections: (i) Job Factors Questionnaire with 15 items that evaluated students' perceptions about job/study environmental risk factors and their potential contribution to musculoskeletal disorders...
February 13, 2018: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://www.readbyqxmd.com/read/29436472/a-novel-variant-in-glis3-is-associated-with-osteoarthritis
#20
Elisabetta Casalone, Ioanna Tachmazidou, Eleni Zengini, Konstantinos Hatzikotoulas, Sophie Hackinger, Daniel Suveges, Julia Steinberg, Nigel William Rayner, arcOGEN Consortium, Jeremy Mark Wilkinson, Kalliope Panoutsopoulou, Eleftheria Zeggini
OBJECTIVES: Osteoarthritis (OA) is a complex disease, but its genetic aetiology remains poorly characterised. To identify novel susceptibility loci for OA, we carried out a genome-wide association study (GWAS) in individuals from the largest UK-based OA collections to date. METHODS: We carried out a discovery GWAS in 5414 OA individuals with knee and/or hip total joint replacement (TJR) and 9939 population-based controls. We followed-up prioritised variants in OA subjects from the interim release of the UK Biobank resource (up to 12 658 cases and 50 898 controls) and our lead finding in operated OA subjects from the full release of UK Biobank (17 894 cases and 89 470 controls)...
February 7, 2018: Annals of the Rheumatic Diseases
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