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https://www.readbyqxmd.com/read/29781911/what-is-the-frequency-of-early-dissociation-of-bipolar-cups-and-what-factors-are-associated-with-dissociation
#1
Young-Kyun Lee, Chan Ho Park, Yong-Chan Ha, Kyung-Hoi Koo
BACKGROUND: Dissociation between a prosthetic cup and femoral head is a rare complication of bipolar hemiarthroplasty that usually occurs during closed reduction of a dislocated bipolar cup. The dissociation usually results in reoperation because closed reduction is challenging. To our knowledge, no study has reported on the frequency of bipolar cup-femoral head dissociation, and risk factors for dissociation are unknown. QUESTIONS/PURPOSES: The purposes of this study were (1) to evaluate the frequency of dissociation of prosthetic femoral heads from bipolar cups during manual reduction of a dislocated bipolar hemiarthroplasty; and (2) to explore in a preliminary fashion any prosthesis or patient factors that may be associated with dissociation...
May 17, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29777717/analysis-of-the-postoperative-periarticular-environment-and-influence-on-sustained-drug-delivery-from-a-gel-formulation
#2
Darren Svirskis, Waldron Martis, Prabhat Bhusal, Manisha Sharma, Renus Stowers, Simon W Young
Regional intraarticular delivery of local anaesthetics is effective in treating postoperative pain following total knee or hip replacement. Recent research efforts have been only partially successful in achieving sustained release of the analgesic agent, in part due to limited understanding of the biological environment into which these formulations are administered. This study aimed to detail the composition and properties of postoperative periarticular fluid (PO-PAF). PO-PAF was collected from 8 patients and the composition and physicochemical properties determined...
May 16, 2018: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29775946/il-9-exhibits-elevated-expression-in-osteonecrosis-of-femoral-head-patients-and-promotes-cartilage-degradation-through-activation-of-jak-stat-signaling-in-vitro
#3
Wei Geng, Wen Zhang, Jinzhu Ma
Osteonecrosis of the femoral head (ONFH) often causes severe symptoms in young people and limits the mobility of the hip joint. Interleukin-9 (IL-9) is a multi-functional inflammatory factor that participates in lumbar disk herniation and arthritis and has been reported in many studies. However, the correlation between IL-9 and ONFH is unclear. The present study aimed to determine the role of IL-9 in the pathogenetic mechanism of osteonecrosis. To assess IL-9 expression in ONFH and femoral neck fracture patients, cartilage tissue was examined through western blot analysis and immunohistochemistry...
May 15, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29772819/do-young-people-ever-sit-still-variations-in-accelerometer-counts-muscle-activity-and-heart-rate-across-various-sedentary-activities-in-youth
#4
Evi van Ekris, Mai J M Chinapaw, Joost Rotteveel, Teatske M Altenburg
Evidence of adverse health effects of TV viewing is stronger than for overall sedentary behaviour in youth. One explanation may be that TV viewing involves less body movement than other sedentary activities. Variations in body movement across sedentary activities are currently unknown, as are age differences in such variations. This study examined body movement differences across various sedentary activities in children and adolescents, assessed by hip-, thigh- and wrist-worn accelerometers, muscle activity and heart rate...
May 17, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29770878/slight-under-correction-following-total-knee-arthroplasty-for-a-valgus-knee-results-in-similar-clinical-outcomes
#5
Sung-Sahn Lee, Hyeon Lee, Dae-Hee Lee, Young-Wan Moon
BACKGROUND: Restoration of correct coronal alignment is one of the main goals of total knee arthroplasty (TKA). Traditionally, TKA has been considered successful when a neutral mechanical hip-knee-ankle (HKA) axis within 3° is achieved. Recent studies have reported no differences or improved clinical outcomes following a slight under-correction of the HKA axis for a varus knee. However, the influence of under-correction of a valgus knee has not been reported. This study investigated the influence of post-operative HKA alignment in TKA patients with valgus deformity on clinical outcomes...
May 16, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29768364/comparative-effectiveness-of-fragility-fracture-integrated-rehabilitation-management-for-elderly-individuals-after-hip-fracture-surgery-a-study-protocol-for-a-multicenter-randomized-controlled-trial
#6
Sang Yoon Lee, Jaewon Beom, Bo Ryun Kim, Seung-Kyu Lim, Jae-Young Lim
INTRODUCTION: Although it is essential to provide comprehensive rehabilitation after hip fracture to restore the patient to preoperative physical functioning, feasibility issues remain. Here, we describe a protocol for a randomized controlled trial (RCT) to evaluate the effectiveness of fragility fracture integrated rehabilitation management (FIRM) for elderly individuals after hip fracture surgery. We also examine the feasibility of applying FIRM in a chronic-care hospital or community-based setting...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29766678/association-between-bone-mineral-density-and-albuminuria-cross-sectional-analysis-of-data-from-the-2011-korea-national-health-and-nutrition-examination-survey-v-2
#7
Tae Yang Yu, Ha Young Kim, Jeong Mi Lee, Dae Ho Lee, Chung Gu Cho
BACKGROUND: Albuminuria is known to be independently associated with progression of renal and cardiovascular disease. However, little is known regarding the exact relationship between albuminuria and bone mineral density (BMD). The aim of this population-based study conducted in Korea was to identify the association between albuminuria and BMD. METHODS: We performed a cross-sectional analysis of data from the Korea National Health and Nutrition Examination Survey (KNHANES V-2) 2011...
May 4, 2018: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29763429/factors-affecting-femoral-rotational-angle-based-on-the-posterior-condylar-axis-in-gap-based-navigation-assisted-total-knee-arthroplasty-for-valgus-knee
#8
Sung-Sahn Lee, Yong-In Lee, Dong-Uk Kim, Dae-Hee Lee, Young-Wan Moon
BACKGROUND: Achieving proper rotational alignment of the femoral component in total knee arthroplasty (TKA) for valgus knee is challenging because of lateral condylar hypoplasia and lateral cartilage erosion. Gap-based navigation-assisted TKA enables surgeons to determine the angle of femoral component rotation (FCR) based on the posterior condylar axis. This study evaluated the possible factors that affect the rotational alignment of the femoral component based on the posterior condylar axis...
2018: PloS One
https://www.readbyqxmd.com/read/29762538/insufficient-sleep-duration-and-overweight-obesity-among-adolescents-in-a-chinese-population
#9
Qing-Hai Gong, Si-Xuan Li, Hui Li, Jun Cui, Guo-Zhang Xu
OBJECTIVES: The objective of this study was to investigate the relationship between sleep duration and overweight/obesity among Chinese adolescents. METHODS: A school-based cross-sectional study was conducted among Chinese adolescents in 2016. In total, 2795 school-aged Chinese children aged 12 to 13 years participated in this study. Participants were asked to complete self-administered surveys during a 45-min class period in their classroom. Details of the questionnaire about health-related behaviors included sleep habits, physical activity, screen time, cigarette use, and alcohol use...
May 15, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29761221/interest-of-short-implants-in-hip-arthroplasty-for-osteonecrosis-of-the-femoral-head-comparative-study-uncemented-short-vs-cemented-conventional-femoral-stems
#10
Mehdi Miladi, Benoît Villain, Nasser Mebtouche, Thierry Bégué, Jean-Charles Aurégan
PURPOSES: Osteonecrosis of the femoral head (ONFH) is a dramatic condition resulting in joint destruction in the late stages. Total hip arthroplasty allows function recovery with satisfactory implant survival. Recently, the use of uncemented short stems has been suggested to improve the conservation of bone stock. METHODS: We performed a retrospective study on 16 hip arthroplasties-11 patients-implanted for ONFH between 2008 and 2017. We aimed to compare the outcomes of the two types of arthroplasty-"uncemented short" vs "cemented conventional" femoral stem-in terms of pain (visual analogue scale), function (Harris Hip Score), and survival (radiography)...
May 15, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29760375/effect-of-ankle-range-of-motion-rom-and-lower-extremity-muscle-strength-on-static-balance-control-ability-in-young-adults-a-regression-analysis
#11
Seong-Gil Kim, Wan-Soo Kim
BACKGROUND The purpose of this study was to investigate the effect of ankle ROM and lower-extremity muscle strength on static balance control ability in young adults. MATERIAL AND METHODS This study was conducted with 65 young adults, but 10 young adults dropped out during the measurement, so 55 young adults (male: 19, female: 36) completed the study. Postural sway (length and velocity) was measured with eyes open and closed, and ankle ROM (AROM and PROM of dorsiflexion and plantarflexion) and lower-extremity muscle strength (flexor and extensor of hip, knee, and ankle joint) were measured...
May 15, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29758506/the-association-between-menarche-intensity-of-training-and-passive-joint-rom-in-young-pre-professional-female-dancers-a-longitudinal-follow-up-study
#12
Steinberg Nili, Tenenbaum Shay, Stern Myriam, Zeev Aviva, Siev-Ner Itzhak
OBJECTIVES: To determine the association between the status of menarche (yes/no), the intensity of training and the potential to improve passive joint range of motion (ROM) over a 12-month period of dance training. DESIGN: Prospective cohort study. SETTING: Dance studio. PARTICIPANTS: Fifty-nine female dancers aged 12.8 ± 0.5. MAIN OUTCOME MEASURES: The dancers were asked about their dance intensity and screened for anthropometric parameters and passive joint ROM in Grades 7 and 8...
May 5, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29758361/bone-accrual-in-oligo-amenorrheic-athletes-eumenorrheic-athletes-and-non-athletes
#13
Vibha Singhal, Karen Campoverde Reyes, Brooke Pfister, Kathryn Ackerman, Meghan Slattery, Katherine Cooper, Alexander Toth, Nupur Gupta, Mark Goldstein, Kamryn Eddy, Madhusmita Misra
BACKGROUND: Mechanical loading improves bone mineral density (BMD) and strength while decreasing fracture risk. Cross-sectional studies show that exercise advantage is lost in oligo-amenorrheic athletes (OA). Longitudinal studies examining the opposing effects of exercise and hypogonadism on bone are lacking in adolescents/young adults. OBJECTIVE: Evaluate differences in bone accrual over 12 months in OA, eumenorrheic athletes (EA) and non-athletes (NA). We hypothesized that bone accrual would be lower in OA than EA and NA, with differences most pronounced at non-weight bearing trabecular sites...
May 11, 2018: Bone
https://www.readbyqxmd.com/read/29756595/96-weeks-treatment-of-tenofovir-alafenamide-vs-tenofovir-disoproxil-fumarate-for-hepatitis-b-virus-infection
#14
Kosh Agarwal, Maurizia Brunetto, Wai Kay Seto, Young-Suk Lim, Scott Fung, Patrick Marcellin, Sang Hoon Ahn, Namiki Izumi, Wan-Long Chuang, Ho Bae, Manoj Sharma, Harry L A Janssen, Calvin Q Pan, Mustafa Kemal Çelen, Norihiro Furusyo, Dr Shalimar, Ki Tae Yoon, Huy Trinh, John F Flaherty, Anuj Gaggar, Audrey H Lau, Andrea L Cathcart, Lanjia Lin, Neeru Bhardwaj, Vithika Suri, G Mani Subramanian, Edward J Gane, Maria Buti, Henry L Y Chan
BACKGROUND & AIMS: Tenofovir alafenamide (TAF) is a new prodrug of tenofovir developed to treat patients with chronic hepatitis B virus (HBV) infection at a lower dose than tenofovir disoproxil fumarate (TDF) through more efficient delivery of tenofovir to hepatocytes. In 48-week results from two ongoing, double-blind, randomized phase III trials, TAF was non-inferior to TDF in efficacy with improved renal and bone safety. We report 96-week outcomes for both trials. METHODS: In two international trials, patients with chronic HBV infection were randomized 2:1 to receive 25 mg TAF or 300 mg TDF in a double-blinded fashion...
April 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29756492/cementless-total-hip-arthroplasty-in-young-patients-under-the-age-of-30-a-minimum-10-year-follow-up
#15
Eun Ho Shin, Kyoung Ho Moon
PURPOSE: The purpose of this study was to evaluate the clinical and radiologic outcomes of young patients (under the age of 30) who received a total hip arthroplasty (THA) and in whom patients had been followed for more than 10 years. MATERIALS AND METHODS: This retrospective study was conducted for 51 hips (44 patients) that had undergone THA. The mean age for the index operation was 25.71 years, and the mean follow-up period was 13.7 years. Clinical outcomes were evaluated by Harris hip score (HHS), activity level, and complications...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29754980/implant-survival-and-patient-reported-outcomes-after-total-hip-arthroplasty-in-young-patients
#16
Ishaan Swarup, Yuo-Yu Lee, Yu-Fen Chiu, Ryan Sutherland, Marisa Shields, Mark P Figgie
BACKGROUND: Younger patients are undergoing total hip arthroplasty (THA) for various conditions that affect the hip joint. This study evaluates the implant survival and long-term patient-reported outcomes of THA in patients aged 35 years or younger. METHODS: Data were collected through a retrospective chart review, and follow-up surveys were conducted to determine implant survival and patient-reported outcomes. Kaplan-Meier survival analysis was performed to evaluate implant survival, and the hip disability and osteoarthritis outcome score (HOOS) was used to describe patient-reported outcomes...
April 19, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29753481/relationships-between-starch-concentration-of-dry-feed-diet-digestibility-and-growth-of-dairy-calves-up-to-16-weeks-of-age
#17
W Hu, T M Hill, T S Dennis, F X Suarez-Mena, J D Quigley, J R Knapp, R L Schlotterbeck
Our objective was to examine the potential relationship between starch concentration of dry feed and growth performance of young dairy calves via mixed-effects model analyses. A database was developed from 6 published studies conducted at the Nurture Research Center, Provimi (Brookville, OH), from 2008 to 2017 that included 18 dietary treatments and 372 calves at 0 to 8 wk of age in 5 nursery trials and 26 dietary treatments and 660 calves at 8 to 16 wk of age in 8 grower trials. The dry feeds ranged from 10...
May 9, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29753125/adaptation-of-kinematic-synergy-and-postural-control-to-mechanical-ankle-constraint-on-an-unsteady-stance-surface
#18
Yi-Ying Tsai, Gwo-Ching Chang, Ing-Shiou Hwang
Joint constraint interferes with the coordinative structure in joint movements used to optimize postural stability. This study aimed to investigate changes in postural synergy when the ankle joints were bilaterally braced during a stabilometer stance. Twenty-four young adults stood on a stabilometer plate while wearing a pair of ankle-foot orthoses, which were either unlocked or locked to restrict ankle motion (the ankle constraint (AC) and non-constraint (NC) conditions). Although ankle constraint did not significantly affect the dynamics of the stabilometer movements, the size and regularity of the first principal component (PC1), which explained more than 80% of the variance of joint movements in the lower limb, were increased...
May 9, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29750839/association-between-body-mass-index-and-the-risk-of-hip-fracture-by-sex-and-age-a-prospective-cohort-study
#19
Se Hwa Kim, Sang-Wook Yi, Jee-Jeon Yi, Yoo Mee Kim, Young Jun Won
The association between body mass index (BMI) and hip fracture may differ by ethnic group. We examined the association between BMI and hip fracture according to sex and age, and to identify BMI ranges associated with the lowest risk in Korean men and women. We followed-up 288,068 Korean adults (age, 50-80 years), who underwent health examinations in 2002-2003, to 2013; we examined national hospital discharge records. Hazard ratios (HRs) were calculated using Cox proportional hazard models after adjusting for confounders...
May 11, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29748069/sensitivity-and-specificity-of-metal-ion-level-in-predicting-adverse-local-tissue-reactions-due-to-head-neck-taper-corrosion-in-primary-metal-on-polyethylene-total-hip-arthroplasty
#20
Young-Min Kwon, John MacAuliffe, Paul G Arauz, Yun Peng
BACKGROUND: There is increasing concern regarding the occurrence of adverse local tissue reactions (ALTRs) in metal-on-polyethylene (MoP) total hip arthroplasty (THA) patients due to mechanically assisted crevice corrosion at the head-neck modular taper junction. The utility of metal ion levels in evaluating MoP patients with head-neck taper has not been fully characterized. This study aimed to investigate the sensitivity and specificity of serum metal ions as a predictor of ALTR in MoP THA patients...
April 16, 2018: Journal of Arthroplasty
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