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https://www.readbyqxmd.com/read/29905045/-clinical-research-of-debridement-with-prosthesis-retention-for-periprosthetic-joint-infection-after-arthroplasty
#1
Xinggui Song, Xin Li, Junlei Song, Chi Xu, Rui Li, Heng Li, Jiying Chen
Objective: To investigate the mid-term effectiveness of debridement with prosthesis retention for periprosthetic joint infection (PJI) after total hip arthroplasty (THA) and total knee arthroplasty (TKA), and analyze the influence factors that affected the effectiveness. Methods: A clinical data of 45 cases with PJI after THA (16 cases) and TKA (29 cases) that were treated with debridement with prosthesis retention between January 2011 and January 2015 were collected and analyzed...
June 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/29903837/modulation-of-joint-and-limb-mechanical-work-in-walk-to-run-transition-steps-in-humans
#2
Neville J Pires, Brendan S Lay, Jonas Rubenson
Surprisingly little information exists of the mechanics in the steps initializing the walk-to-run transition (WRT) in humans. Here we assess how mechanical work of the limbs (vertical and horizontal) and the individual joints (ankle, knee and hip) are modulated as humans transition from a preferred constant walking velocity (WLK) to a variety of running velocities (RUN; ranging from a sprint to a velocity slower than WLK). WRTs to fast RUNs occur nearly exclusively through positive horizontal limb work, satisfying the goal of forward acceleration...
June 14, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29903458/the-bundle-busters-incidence-and-costs-of-postacute-complications-following-total-joint-arthroplasty
#3
Andrew J Luzzi, Andrew N Fleischman, Christopher N Matthews, Meredith P Crizer, John Wilsman, Javad Parvizi
BACKGROUND: Recently, a bundled payment model was implemented in the United States to improve quality and reduce costs. While hospitals may be rewarded for lowering costs, they may be financially exposed by high cost complications, the so-called bundle busters. We aimed at determining the incidence, etiology, and costs of postacute complications after total joint arthroplasty (TJA). METHODS: A retrospective study was conducted using a prospectively collected database of patients who underwent primary total hip arthroplasty (THA) or total knee arthroplasty (TKA) from January 2015 to April 2016...
June 11, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29903447/neurophysiology-of-gait
#4
Mariano Serrao, Alberto Ranavolo, Carlo Casali
Beyond the classic clinical description, recent studies have quantitatively evaluated gait and balance dysfunction in cerebellar ataxias by means of modern motion analysis systems. These systems have the aim of clearly and quantitatively describing the differences, with respect to healthy subjects, in kinematic, kinetic, and surface electromyography variables, establishing the basis for a rehabilitation strategy and assessing its efficacy. The main findings which characterize the gait pattern of cerebellar patients are: increased step width, reduced ankle joint range of motion with increased coactivation of the antagonist muscles, and increased stride-to-stride variability...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29902807/a-biomechanical-comparison-of-single-leg-landing-and-unplanned-sidestepping
#5
Chamnan Chinnasee, Gillian Weir, Siriporn Sasimontonkul, Jacqueline Alderson, Cyril Donnelly
Unplanned sidestepping and single-leg landing have both been used to screen athletes for injury risk in sport. The aim of this study was to directly compare the lower limb mechanics of three single-leg landing tasks and an unplanned sidestepping task. Thirteen elite female team sport athletes completed a series of non-contact single-leg drop landings, single-leg countermovement jumps, single-leg jump landings and unplanned sidestepping in a randomized counterbalanced design. Three dimensional kinematics (250 Hz) and ground reaction force (2,000 Hz) data with a participant specific lower limb skeletal model were used to calculate and compare hip, knee and ankle joint kinematics, peak joint moments, instantaneous joint power and joint work during the weight acceptance phase of each sporting task (α=0...
June 14, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29902637/comparison-of-cementless-total-hip-arthroplasty-survivorship-between-metal-on-highly-cross-linked-polyethylene-and-ceramic-on-ceramic-bearings-a-case-control-study-with-a-5-9-year-follow-up
#6
Yoshitoshi Higuchi, Taisuke Seki, Yukiharu Hasegawa, Daigo Morita, Daigo Komatsu, Yasuhiko Takegami, Naoki Ishiguro
BACKGROUND: Currently, there is a lack of evidence on the medium-term follow-up of cementless total hip arthroplasty (THA) using metal-on highly cross-linked polyethylene bearing (MoXPE), ceramic on ceramic bearing (CoC) at more than 5 years follow-up. Therefore, we performed a case control study to: 1) compare the incidence rate of osteolysis, 2) compare the longevity for both types of THAs, and 3) to evaluate the wear rate of MoXPE THAs. HYPOTHESIS: CoC THAs will have a lower rate of osteolysis and better longevity than MoXPE THAs...
June 11, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29902245/neuropathic-like-symptoms-and-the-association-with-joint-specific-function-and-quality-of-life-in-patients-with-hip-and-knee-osteoarthritis
#7
Tim Blikman, Wietske Rienstra, Jos J A M van Raay, Baukje Dijkstra, Sjoerd K Bulstra, Martin Stevens, Inge van den Akker-Scheek
OBJECTIVE: There is an association between osteoarthritis-related pain severity and function, yet clear evidence about the sole influence of neuropathic-like symptoms on joint function and health-related quality of life (HRQoL) is lacking. Previous studies among knee OA patients show an association between neuropathic-like symptoms, lower functional status and lower quality of life, however analyses were unadjusted or had limited adjustment for influential covariates like pain intensity...
2018: PloS One
https://www.readbyqxmd.com/read/29901636/male-patients-with-rheumatoid-arthritis-have-an-increased-risk-of-osteoporosis-frequency-and-risk-factors
#8
Seong-Min Kweon, Dong Hyun Sohn, Ji-Heh Park, Jung Hee Koh, Eun-Kyoung Park, Han-Na Lee, Keunyoung Kim, Yunkyung Kim, Geun-Tae Kim, Seung-Geun Lee
Most previous research investigating osteoporosis in rheumatoid arthritis (RA) has focused on female patients and there is a lack of data regarding clinical characteristics of osteoporosis in male patients with RA.The aim of this study was to compare the frequency of osteoporosis between male patients with RA and healthy patients, and to identify the risk factors for osteoporosis and low bone mineral density (BMD) in male patients with RA.We conducted a retrospective, cross-sectional study including 76 South Korean male patients with RA aged over 50 years and 76 age-matched male healthy individuals...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29900790/goniometric-measurement-of-joint-angles-in-crab-eating-foxes-cerdocyon-thous
#9
Maíra Sales Castilho, Sheila Canevese Rahal, Luciane Dos Reis Mesquita, Ramiro das Neves Dias Neto, Renato Tavares Conceição, Ana Luiza Denes, Washington Takashi Kano, Carlos Roberto Padovani, Alessandra Melchert
  This study aimed to assess joint angle values in the forelimbs and hind limbs of crab-eating foxes ( Cerdocyon thous) using a conventional manual goniometer. Nine captive crab-eating foxes, aged over 1 yr old, weighing from 5.9 to 7.5 kg were used. The maximum flexion and maximum extension of the shoulder, elbow, carpal, hip, stifle, and tarsal joints were measured. The range of motion was determined through the difference between the maximum flexion and the maximum extension. There was no significant difference between the right and left sides in the goniometric measurements...
June 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29898653/does-implementation-of-an-enhanced-recovery-after-surgery-program-for-hip-replacement-improve-quality-of-recovery-in-an-australian-private-hospital-a-quality-improvement-study
#10
Nicole Lay Tin Tan, Justin Lindley Hunt, Stella May Gwini
BACKGROUND: Enhanced recovery after surgery programs may improve recovery and reduce duration of hospital stay after joint replacement surgery. However, uptake is incomplete, and the relative importance of program components is unknown. This before-and-after quality improvement study was designed to determine whether adding 'non-surgical' components, to pre-existing 'surgical' components, in an Australian private healthcare setting, would improve patient recovery after total hip replacement...
June 13, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/29896560/single-dose-lidocaine-spinal-anesthesia-in-hip-and-knee-arthroplasty
#11
Nicholas B Frisch, Brian Darrith, Dane C Hansen, Adrienne Wells, Sheila Sanders, Richard A Berger
Background: With the increasing interest in fast recovery and outpatient joint arthroplasty, short-acting local anesthetic agents and minimal narcotic use are preferred. Lidocaine is a fast-onset, short-duration local anesthetic that has been used for many years in spinal anesthesia. However, lidocaine spinal anesthesia has been reported to have a risk of transient neurologic symptoms (TNSs). The purpose of this study is to determine the safety and efficacy of single-dose lidocaine spinal anesthesia in the setting of outpatient joint arthroplasty...
June 2018: Arthroplasty Today
https://www.readbyqxmd.com/read/29896558/are-reinfusion-drains-safe-to-use-with-periarticular-liposomal-bupivacaine-an-analysis-of-systemic-bupivacaine-toxicity
#12
Marc R Angerame, Gavin P Hart, Susan M Odum, Bryan D Springer
Background: Intraoperative periarticular injection (PAI) with local anesthetic is an important component of multimodal pain control in total joint arthroplasty (TJA). A potential risk of this practice is serum anesthetic toxicity resulting from the autotransfusion of blood collected from a reinfusion drain. The purpose of this study is to evaluate the levels of bupivacaine in blood collected in an autotransfusion system after use of a PAI in TJA. Methods: In this prospective study, each TJA patient had an identical PAI consisting of 20 cc of liposomal bupivacaine, 30 cc of 0...
June 2018: Arthroplasty Today
https://www.readbyqxmd.com/read/29896557/arthroplasty-care-redesign-related-to-the-comprehensive-care-for-joint-replacement-model-results-at-a-tertiary-academic-medical-center
#13
Chancellor F Gray, Hernan A Prieto, Andrew T Duncan, Hari K Parvataneni
Background: Total joint arthroplasty (TJA) remains the highest expenditure in the Centers for Medicare and Medicaid Services (CMS) budget. One model to control cost is the Comprehensive Care for Joint Replacement (CJR) model. There has been no published literature to date examining the efficacy of CJR on value-based outcomes. The purpose of this study was to determine the efficacy and sustainability of a multidisciplinary care redesign for total joint arthroplasty under the CJR paradigm at an academic tertiary care center...
June 2018: Arthroplasty Today
https://www.readbyqxmd.com/read/29896556/are-patients-being-evaluated-for-periprosthetic-joint-infection-prior-to-referral-to-a-tertiary-care-center
#14
Matthew W Tetreault, Kenneth A Estrera, Erdan Kayupov, Caroline Brander, Craig J Della Valle
Background: Patients with a painful or failed total joint arthroplasties should be evaluated for periprosthetic joint infection (PJI). The purpose of this study is to determine if patients referred to a tertiary care center had been evaluated for PJI according to the American Academy of Orthopaedic Surgeons (AAOS) clinical practice guidelines. Methods: One hundred thirteen patients with painful hip (43) or knee (70) arthroplasties were referred to a single provider by orthopaedic surgeons outside our practice between 2012 and 2014...
June 2018: Arthroplasty Today
https://www.readbyqxmd.com/read/29896554/association-of-rapidly-destructive-osteoarthritis-of-the-hip-with-intra-articular-steroid-injections
#15
Shane R Hess, Robert S O'Connell, Christopher P Bednarz, Andrew C Waligora, Gregory J Golladay, William A Jiranek
Background: To assess the relationship between rapidly destructive osteoarthritis (RDOA) of the hip and intra-articular steroid injections. Methods: Coding records from 2000 to 2013 were used to identify all subjects who had a fluoroscopy-guided intra-articular hip injection to treat pain associated with primary osteoarthritis. Radiographic measurements from preinjection and postinjection imaging were evaluated with Luquesne's classification of RDOA to determine diagnosis (greater than 50% joint space narrowing or greater than 2 mm of cartilage loss in 1 year with no other forms of destructive arthropathy)...
June 2018: Arthroplasty Today
https://www.readbyqxmd.com/read/29896550/rapid-destructive-osteoarthritis-of-the-hip-after-intra-articular-steroid-injection
#16
Anurag Tiwari, Yugal Karkhur, James A Keeney, Ajay Aggarwal
Rapid destructive osteoarthritis of the hip is a separate entity different from the usual osteoarthritis. It is usually seen in elderly women, and the characteristic feature is the rapid progression within 6 to 12 months to complete destruction of the joint. The exact etiology is not known. We present a rare case of rapid destructive osteoarthritis of the hip in a 62-year-old woman who developed it within 2 months of intra-articular steroid injection, which was managed well with uncemented total hip arthroplasty...
June 2018: Arthroplasty Today
https://www.readbyqxmd.com/read/29896462/subchondral-bone-restoration-of-supra-acetabular-brown-tumor-secondary-to-parathyroid-carcinoma-a-case-report
#17
Yong-Jin Park, Taek-Rim Yoon, Kyung-Soon Park, Jee-Wook Ko
The causes of osteolytic lesions found in radiological examinations are not quite certain. Therefore, to determine the appropriate treatment method, various approaches and analyzes are required to find the real cause. Hyperparathyroidism is one of the diseases which forms osteolytic bone lesions so-called brown tumor. A 55-year-old woman who had painful osteolytic bone lesions in both hip joint areas was diagnosed as parathyroid carcinoma after serial work-up. She underwent parathyroidectomy and follow-up imaging showed a decrease in brown tumor size and bone consolidation in the subchondral bone destruction area...
June 2018: Hip & Pelvis
https://www.readbyqxmd.com/read/29896461/sequential-bilateral-rapid-destructive-inflammatory-coxarthrosis-in-a-patient-with-human-immunodeficiency-virus
#18
Hyeon Jun Kim, Sung Soo Kim, Su Jin Kim, Kyung Ho Lee
The diagnostic criteria for sequential rapidly destructive coxarthrosis remain unclear and this condition is rarely reported in patients with human immunodeficiency virus (HIV). Here, we report a case of an HIV-infected 73-year old female who experienced hip joint destruction. The patient was diagnosed with HIV in 2012 (at age 68 years) and began continuous treatment with nucleoside reverse transcriptase and protease inhibitors. Twenty-nine months after her HIV diagnosis, the patient experienced osteonecrosis of the right hip and underwent a total hip arthroplasty (THA)...
June 2018: Hip & Pelvis
https://www.readbyqxmd.com/read/29896458/effectiveness-of-hip-arthroscopy-performed-simultaneously-before-open-reduction-and-internal-fixation-for-acetabular-fracture-and-fracture-dislocation-of-the-hip
#19
Hyeon Jun Kim, Sung Soo Kim, Young Hun Jung, Kyung Ho Lee
Purpose: This study is performed to evaluate the usefulness of arthroscopic surgery prior to open reduction and fixation surgery to treat acetabular fractures and hip fractures-dislocation. Materials and Methods: From January 2010 to March 2014, a total of 54 patients with acetabular fractures or hip fractures with dislocation were treated arthroscopically via fracture surface before open reduction and fixation (group 1, n=11), and without hip arthroscopy prior to open reduction and fixation (group 2; n=43)...
June 2018: Hip & Pelvis
https://www.readbyqxmd.com/read/29896457/ankylosing-neurogenic-myositis-ossificans-of-the-hip-a-case-series-and-review-of-literature
#20
Byung-Ho Yoon, In Keun Park, Yerl-Bo Sung
Purpose: Neurogenic myositis ossificans (NMO) in patients with traumatic spinal cord or brain injuries can cause severe joint ankylosis or compromise neurovascularture. The purpose of this study was to evaluate the clinical and radiological outcomes of and review considerations relevant to surgical resection of NMO of the hip joint. Materials and Methods: Six patients (9 hips) underwent periarticular NMO resection between 2015 and 2017. The medical records of these patients were retrospectively reviewed...
June 2018: Hip & Pelvis
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