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https://www.readbyqxmd.com/read/28343829/corrigendum-to-metal-on-metal-or-ceramic-on-ceramic-for-cementless-total-hip-arthroplasty-a-meta-analysis-the-journal-of-arthroplasty-31-2016-2637-2645
#1
Young-Kyun Lee, Byung-Ho Yoon, Yun Seong Choi, Woo-Lam Jo, Yong-Chan Ha, Kyung-Hoi Koo
No abstract text is available yet for this article.
March 23, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28341899/cortical-microstructure-compensates-for-smaller-bone-size-in-young-caribbean-hispanic-versus-non-hispanic-white-men
#2
M D Walker, A Kepley, K Nishiyama, B Zhou, E Guo, T L Nickolas
Hispanic men have smaller bone size but thicker and denser cortices compared to white men, leading to similar mechanical competence. INTRODUCTION: The purpose of this study was to assess differences in vBMD and microarchitecture in young Caribbean Hispanic (n = 30) and non-Hispanic Caucasian (n = 30) men. METHODS: We measured areal bone mineral density (aBMD) at the spine, total hip (TH), femoral neck (FN), and forearm by dual-energy X-ray absorptiometry (DXA) and bone geometry, mass, microarchitecture, and mechanical competence by high-resolution peripheral quantitative computed tomography (HRpQCT), individual trabecula segmentation (ITS), and finite element analysis (FEA)...
March 24, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28338386/targeted-functional-movement-retraining-to-improve-pain-function-and-biomechanics-in-subjects-with-anterior-knee-pain-a-case-series
#3
Dominique C Leibbrandt, Quinette A Louw
CONTEXT: Anterior Knee pain (AKP) is a common condition, especially in a young active population. The clinical presentations of this condition vary considerably and therefore an individualized approach to treatment is needed. OBJECTIVE: The primary objective of this study was to assess the effect of a novel targeted biomechanical intervention on subjects with AKP. DESIGN: A case series was conducted on eight participants with AKP Setting: The study was conducted at the Tygerberg motion analysis laboratory and Tygerberg physiotherapy clinic in Cape Town, South Africa...
March 24, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28337434/influence-of-power-delivery-timing-on-the-energetics-and-biomechanics-of-humans-wearing-a-hip-exoskeleton
#4
Aaron J Young, Jessica Foss, Hannah Gannon, Daniel P Ferris
A broad goal in the field of powered lower limb exoskeletons is to reduce the metabolic cost of walking. Ankle exoskeletons have successfully achieved this goal by correctly timing a plantarflexor torque during late stance phase. Hip exoskeletons have the potential to assist with both flexion and extension during walking gait, but the optimal timing for maximally reducing metabolic cost is unknown. The focus of our study was to determine the best assistance timing for applying hip assistance through a pneumatic exoskeleton on human subjects...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28336196/new-strategy-of-closed-suction-drainage-after-primary-total-hip-arthroplasty
#5
Gun-Woo Lee, Kyung-Soon Park, Do-Youn Kim, Young-Rok Shin, Taek-Rim Yoon
OBJECTIVE: The purpose of this study was to evaluate the effect of late applied negative pressure on postoperative drain output after primary total hip arthroplasty (THA). PATIENTS AND METHODS: 100 patients (100 hips) were treated by closed suction drainage applying negative pressure immediately after THA (group I). The remaining 100 patients (100 hips) were treated by the same drainage system, but the negative pressure was not applied in the first 24 h after THA and then negative pressure was applied (group II)...
March 20, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28329045/extensive-type-ii-muscle-fiber-atrophy-in-elderly-female-hip-fracture-patients
#6
Irene Fleur Kramer, Tim Snijders, Joey S J Smeets, Marika Leenders, Janneau van Kranenburg, Marcel den Hoed, Lex B Verdijk, Martijn Poeze, Luc J C van Loon
Background: Sarcopenia, or the loss of muscle mass and strength, is known to increase the risk for falls and (hip) fractures in older people. The objective of this study was to assess the skeletal muscle fiber characteristics in elderly female hip fracture patients. Method: Percutaneous needle biopsies were collected from the vastus lateralis muscle in 15 healthy young women (20 ± 0.4 years), 15 healthy elderly women (79 ± 1.7 years), and 15 elderly women with a fall-related hip fracture (82 ± 1...
January 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28328825/prevalence-of-symptomatic-hip-knee-and-spine-osteoarthritis-nationwide-health-survey-analysis-of-an-elderly-korean-population
#7
Jung-Ho Park, Jae-Young Hong, Kyungdo Han, Seung-Woo Suh, Si-Young Park, Jae-Hyuk Yang, Seung-Woo Han
Osteoarthritis is prominent among the elderly, with symptoms originating from multiple parts of the body. A cross-sectional study of a nationwide survey was performed to describe the prevalence of and identify factors related to symptomatic hip, knee, and spine osteoarthritis.This cross-sectional study collected data from the Fifth Korean National Health and Nutrition Examination Survey (KNHANES V-5; 2010-2012). After excluding ineligible subjects, there were 8976 subjects in this study (3830 males and 5146 females)...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328823/a-case-report-of-pycnodysostosis-with-atypical-femur-fracture-diagnosed-by-next-generation-sequencing-of-candidate-genes
#8
Hyung Keun Song, Young Bae Sohn, Yong Jun Choi, Yoon-Sok Chung, Ja-Hyun Jang
RATIONALE: Pycnodysostosis is a rare autosomal recessive skeletal dysplasia characterized by short stature, craniofacial dysmorphism, acro-osteolysis, osteosclerosis, and brittle bone with poor healing. Pycnodysostosis results from the deficient activity of cathepsin K, a lysosomal cysteine protease that is encoded by CTSK. PATIENT CONCERNS: We report a Korean adult patient with pycnodysostosis and atypical femur fracture whose diagnosis was confirmed by next-generation sequencing (NGS) of candidate genes...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328470/erratum-to-alumina-delta-on-alumina-delta-bearing-in-cementless-total-hip-arthroplasty-in-patients-aged-50-years-the-journal-of-arthroplasty-2016-2209-2214
#9
Young-Hoo Kim, Jang-Won Park, Jun-Shik Kim
No abstract text is available yet for this article.
March 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28326429/ceramic-on-ceramic-bearings-total-hip-arthroplasty-in-young-patients
#10
Tao Wang, Jun-Ying Sun, Xi-Jiang Zhao, Yong Liu, Hai-Bo Yin
BACKGROUND: The results of ceramic-on-ceramic (CoC) total hip arthroplasty (THA) in younger patients were not univocal. This study aims to evaluate the results of CoC bearing THA in patients younger than 50 years. METHODS: A total of 90 younger patients performed CoC THAs during March 2003 and May 2008 were included in this study. Hip function and activity were evaluated with Harris hip score and University of California Los Angeles activity score. We had discussed survival rates, radiological findings of component loosening or osteolysis, and ceramic-related complications in these patients...
December 2016: Arthroplast Today
https://www.readbyqxmd.com/read/28326401/an-unusual-presentation-of-catastrophic-failure-of-hip-arthroplasty-with-a-thigh-mass
#11
Florian Dibra, Hari Parvataneni
In the advent of increasing demand for total hip arthroplasty, surveillance of these patients is imperative to identify potential complications requiring revision surgery. This is especially important in the young population, as revision is usually necessary during their lifetime. We present a case of a young female patient with a history of total hip arthroplasty 17 years prior, who presented with left hip pain and anterior thigh mass. The prosthetic hip had progressed to catastrophic failure with the cobalt-chrome femoral head having eroded through the polyethylene and acetabular socket...
June 2016: Arthroplast Today
https://www.readbyqxmd.com/read/28326400/staged-total-hip-arthroplasty-in-a-patient-with-hip-dysplasia-and-a-large-pertrochanteric-bone-cyst
#12
Joseph R Langston, Alexander M DeHaan, Thomas W Huff
Hip arthroplasty in young patients requires thoughtful preoperative planning. Patients with proximal femoral bone loss complicate this planning and may require a staged procedure to optimize implant insertion. We report on a case of a 26-year-old woman with secondary hip arthritis from developmental dysplasia of the hip and a large pertrochanteric bone cyst that was treated with staged total hip arthroplasty. The cyst was decompressed and filled with an osteoconductive and osteoinductive bone graft substitute called EquivaBone...
June 2016: Arthroplast Today
https://www.readbyqxmd.com/read/28324754/effects-of-sit-to-stand-training-combined-with-transcutaneous-electrical-stimulation-on-spasticity-muscle-strength-and-balance-ability-in-patients-with-stroke-a-randomized-controlled-study
#13
Kyoung-Sim Jung, Tae-Sung In, Hwi-Young Cho
Sit-to-stand is a fundamental movement of human being for performing mobility and independent activity. However, Stroke people symptoms experience difficulty in conducting the sit-to-stand due to paralysis and especially ankle spasticity. Recently, transcutaneouselectrical- stimulation (TENS) is used to reduce pain but also to manage spasticity. The purpose of this study was to determine (1) whether TENS would lead to ankle spasticity reduction and (2) whether sit-to-stand training combined with TENS would improve spasticity, muscle strength and balance ability in stroke patients...
March 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28321571/effect-of-causes-of-surgical-delay-on-early-and-late-mortality-in-patients-with-proximal-hip-fracture
#14
Yong-Han Cha, Yong-Chan Ha, Jun-Il Yoo, Yeon-Seung Min, Young-Kyun Lee, Kyung-Hoi Koo
INTRODUCTION: The purpose of this study was to investigate the reasons for delayed surgery in patients with proximal hip fracture and to compare differences in mortality between delayed surgery cases and non-delayed surgery cases. In addition, we evaluated causal factors for delayed surgery that affected differences in mortality. METHODS: From 2003 to 2013, 1290 patients (1290 hips) with unilateral femoral neck or intertrochanteric fractures who underwent surgery were categorized into Group Ia (402 patients, early surgery group) and Group Ib (888 patients, delayed surgery group)...
March 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28318866/innovations-in-joint-preservation-procedures-for-the-dysplastic-hip-the-periacetabular-osteotomy
#15
Cecilia Pascual-Garrido, Michael D Harris, John C Clohisy
The Bernese periacetabular osteotomy is an effective treatment for symptomatic developmental dysplasia in the prearthritic young adult hip. Refinements in the periacetabular osteotomy technique and perioperative management have markedly improved the clinical outcomes and recovery in these patients. We will review the clinical presentation of acetabular dysplasia, indications for surgery, perioperative management, and contemporary refinements in technique including refined acetabular reduction, adjunctive hip arthroscopy, femoral head-neck osteochondroplasty, femoral procedures, and rapid recovery protocols...
February 14, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28317389/prp-for-degenerative-cartilage-disease
#16
Lior Laver, Niv Marom, Lad Dnyanesh, Omer Mei-Dan, João Espregueira-Mendes, Alberto Gobbi
OBJECTIVE: To explore the utilization of platelet-rich plasma (PRP) for degenerative cartilage processes and evaluate whether there is sufficient evidence to better define its potential effects. DESIGN: Systematic literature reviews were conducted in PubMed/MEDLINE and Cochrane electronic databases till May 2015, using the keywords "platelet-rich plasma OR PRP OR autologous conditioned plasma OR ACP AND cartilage OR chondrocyte OR chondrogenesis OR osteoarthritis (OA) OR arthritis...
September 1, 2016: Cartilage
https://www.readbyqxmd.com/read/28316960/lower-urinary-tract-infection-and-periprosthetic-joint-infection-after-elective-primary-total-hip-arthroplasty
#17
Chan Ho Park, Young-Kyun Lee, Kyung-Hoi Koo
PURPOSE: Periprosthetic joint infection (PJI) after total hip arthroplasty (THA) is a grave complication. Urinary tract infection (UTI) as a source for PJI is controversial. Our purposes were, (1) to evaluate the incidence of PJI after elective primary THA and (2) to determine whether UTI was associated with a risk of PJI after elective primary THA. MATERIALS AND METHODS: We retrospectively reviewed the medical records of 527 patients who underwent elective primary THA by using universal aseptic technique from May 2003 to October 2007...
March 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28316959/comparative-study-of-peripheral-rim-fixation-using-jumbo-cup-in-revisional-hip-arthroplasty
#18
Woo-Lam Jo, Young-Wook Lim, Jin-Hyung Im, Seung-Chan Kim, Soon-Yong Kwon, Yong-Sik Kim
PURPOSE: It is challenging procedure to revise acetabular component in acetabulum with severe bone defect or deformity. The jumbo cup is good option for revisional arthroplasty in large bone defect. The purpose of this study is to compare the prognosis of revisional total hip arthroplasty using jumbo cup with peripheral rim fixation and no rim fixation. MATERIALS AND METHODS: We included the patients who had performed acetabular revisional total hip arthroplasty from January 2002 to March 2015 in our institute...
March 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28315596/effects-of-hip-and-trunk-muscle-strengthening-on-hip-function-and-lower-limb-kinematics-during-step-down-task
#19
Vanessa Lara Araújo, Thales Rezende Souza, Viviane Otoni do Carmo Carvalhais, Aline Castro Cruz, Sérgio Teixeira Fonseca
BACKGROUND: Strengthening of the hip and trunk muscles has the potential to change lower limb kinematic patterns, such as excessive hip medial rotation and adduction during weight-bearing tasks. This study aimed to investigate the effect of hip and trunk muscles strengthening on hip muscle performance, hip passive properties, and lower limb kinematics during step-down task in women. METHODS: Thirty-four young women who demonstrated dynamic knee valgus during step-down were divided into two groups...
February 27, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28314823/body-size-indicators-and-risk-of-gallbladder-cancer-pooled-analysis-of-individual-level-data-from-19-prospective-cohort-studies
#20
Peter T Campbell, Christina C Newton, Cari M Kitahara, Alpa V Patel, Patricia Hartge, Jill Koshiol, Katherine A McGlynn, Hans-Olov Adami, Amy Berrington de González, Laura E Beane Freeman, Leslie Bernstein, Julie E Buring, Neal D Freedman, Yu-Tang Gao, Graham G Giles, Marc J Gunter, Mazda Jenab, Linda M Liao, Roger L Milne, Kim Robien, Dale P Sandler, Catherine Schairer, Howard D Sesso, Xiao-Ou Shu, Elisabete Weiderpass, Alicja Wolk, Yong-Bing Xiang, Anne Zeleniuch-Jacquotte, Wei Zheng, Susan M Gapstur
Background: There are few established risk factors for gallbladder cancer beyond gallstones. Recent studies suggest a higher risk with high body mass index (BMI), an indicator of general heaviness, but evidence from other body size measures is lacking.Methods: Associations of adult BMI, young adult BMI, height, adult weight gain, waist circumference (WC), waist-height ratio (WHtR), hip circumference (HC), and waist-hip ratio (WHR) with gallbladder cancer risk were evaluated. Individual-level data from 1,878,801 participants in 19 prospective cohort studies (14 studies had circumference measures) were harmonized and included in this analysis...
March 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
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