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Hip development

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https://www.readbyqxmd.com/read/28108173/broach-handle-design-changes-force-distribution-in-the-femur-during-total-hip-arthroplasty
#1
Dustin A Greenhill, Pooyan Abbasi, Kurosh Darvish, Andrew M Star
BACKGROUND: Curved broach handles were developed to overcome limited surgical exposures during total hip arthroplasty. Some authors report increased intraoperative fracture rates during limited exposures. This study evaluates mechanical force ratios transmitted to the bone while broaching with curved vs straight handles. METHODS: An experimental model utilized a 6-axis load cell to measure force distributions produced by 4 different broach handles, each with increasing offset and curvature...
December 29, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28107205/comparison-of-linear-and-non-linear-models-for-predicting-energy-expenditure-from-raw-accelerometer-data
#2
Alexander H K Montoye, Munni Begum, Zachary Henning, Karin A Pfeiffer
This study had three purposes, all related to evaluating energy expenditure (EE) prediction accuracy from body-worn accelerometers: (1) compare linear regression to linear mixed models, (2) compare linear models to artificial neural network models, and (3) compare accuracy of accelerometers placed on the hip, thigh, and wrists. Forty individuals performed 13 activities in a 90 min semi-structured, laboratory-based protocol. Participants wore accelerometers on the right hip, right thigh, and both wrists and a portable metabolic analyzer (EE criterion)...
January 20, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28106719/body-adiposity-index-performance-in-estimating-body-fat-percentage-in-colombian-college-students-findings-from-the-fuprecol-adults-study
#3
Robinson Ramírez-Vélez, Jorge Enrique Correa-Bautista, Katherine González-Ruíz, Andrés Vivas, Héctor Reynaldo Triana-Reina, Javier Martínez-Torres, Daniel Humberto Prieto-Benavides, Hugo Alejandro Carrillo, Jeison Alexander Ramos-Sepúlveda, Emilio Villa-González, Antonio García-Hermoso
Recently, a body adiposity index (BAI = (hip circumference)/((height)(1.5))(-18)) was developed and validated in adult populations. The aim of this study was to evaluate the performance of BAI in estimating percentage body fat (BF%) in a sample of Colombian collegiate young adults. The participants were comprised of 903 volunteers (52% females, mean age = 21.4 years ± 3.3). We used the Lin's concordance correlation coefficient, linear regression, Bland-Altman's agreement analysis, concordance correlation coefficient (ρc) and the coefficient of determination (R²) between BAI, and BF%; by bioelectrical impedance analysis (BIA))...
January 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28106675/treatment-of-slipped-capital-femoral-epiphysis-with-the-modified-dunn-procedure-a-multicenter-study
#4
Masquijo J Javier, Allende Victoria, D'Elia Martín, Miranda Gabriela, Fernández Claudio A
INTRODUCTION: Treatment of moderate to severe slipped capital femoral epiphysis (SCFE) is controversial. Over the last years, 3 institutions in Argentina adopted the modified Dunn procedure for capital realignment in selected cases of SCFE. Our aim in this study was to evaluate the clinical outcome and the rate of complications of patients who had undergone surgical hip dislocation and capital realignment. METHODS: A multicenter retrospective cohort study of patients who received the modified Dunn procedure from January 2009 to 2013 was performed...
January 18, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28106664/ethnic-differences-regarding-arterial-stiffness-of-6-8-year-old-black-and-white-boys
#5
Gontse G Mokwatsi, Aletta E Schutte, Ruan Kruger
OBJECTIVES: Vascular deterioration is suggested to occur earlier in black than white populations, thereby increasing their risk for developing hypertension. To establish whether this is the case, we compared different estimates of arterial stiffness in black and white children and investigated the links with body composition and advanced glycation end products (AGEs) as potential contributors. METHODS: We included 40 black and 41 white boys (aged 6-8 years) from similar schools and measured arterial stiffness [pulse wave velocity (PWV) in different arterial sections, systemic arterial compliance and carotid stiffness estimates], anthropometry as well as urinary pentosidine as a marker of AGEs...
January 18, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28106232/author-s-reply-developing-a-sustainable-hip-service-in-cambodia
#6
James J Aird, Jim G Gollogly, Ou C Ngiep
No abstract text is available yet for this article.
January 20, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28105299/geographic-variation-in-selected-hospital-procedures-and-services-in-the-israeli-health-care-system
#7
Joseph Mendlovic, Ethel-Sherry Gordon, Ziona Haklai, Jill Meron, Arnon Afek
BACKGROUND: Medical practice variation refers to differences in health service utilization among regions in the same country. It is used as a tool for studying health inequities. In 2011, the OECD launched a Medical Practice Variation Project which examines regional differences within countries and explores the sources of the inter-regional differences. The aim of this study is to examine the patterns and trends in geographic variation for selected health services in Israel. METHODS: The analysis is based on data from the National Hospital Discharges Database (NHDD) of the Israeli Ministry of Health...
2017: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/28104610/external-validation-and-comparison-of-three-prediction-tools-for-risk-of-osteoporotic-fractures-using-data-from-population-based-electronic-health-records-retrospective-cohort-study
#8
Noa Dagan, Chandra Cohen-Stavi, Maya Leventer-Roberts, Ran D Balicer
OBJECTIVE:  To directly compare the performance and externally validate the three most studied prediction tools for osteoporotic fractures-QFracture, FRAX, and Garvan-using data from electronic health records. DESIGN:  Retrospective cohort study. SETTING:  Payer provider healthcare organisation in Israel. PARTICIPANTS:  1 054 815 members aged 50 to 90 years for comparison between tools and cohorts of different age ranges, corresponding to those in each tools' development study, for tool specific external validation...
January 19, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28102169/hip-joint-arthroplasty-in-pubic-symphysis-separation-in-the-course-of-congenital-bladder-exstrophy-study-of-two-cases
#9
Marek Drobniewski, Andrzej Borowski, Magdalena Krasmska, Marcin Sibmski, Marek Synder
Congenital bladder exstrophy is a severe congenital malformation identified in one out of 30,000-50,000 live newborns and seen more often in girls. Some patients develop osteoarthritis of the hip joints which requires total hip arthroplasty. Reports of such cases are very rare in the world literature, which prompted us to present two cases treated at our Department and analyse their early outcomes. Our experience so far has been rather modest but the results encourage considering total hip arthroplasty in the treatment of hip osteoarthritis in future patients with pubic symphysis separation in the course of congenital bladder exstrophy...
August 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28102164/results-of-total-cementless-hip-joint-arthroplasty-with-taperloc-stem
#10
Marek Drobniewski, Andrzej Borowski, Magdalena Krasińska, Marcin Sibiński, Marek Synder
BACKGROUND: The aim of this paper is to present the results of hip joint arthroplasty with the use of the Taperloc stem. MATERIAL AND METHODS: The study group consisted of 117 patients (75 women and 42 men) who underwent 121 hip joint arthroplasties with Taperloc stems. Mean age of the patients at surgery was 53.8 years (range: 2475 years). Mean follow-up period was 159.5 months. RESULTS: Pre-operative Merle d'Aubigne-Postel scores (modified by Charnley) of the study group were poor in all patients...
August 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28101755/does-n-terminal-pro-brain-type-natriuretic-peptide-predict-cardiac-complications-after-hip-fracture-surgery
#11
Hiroki Ushirozako, Tsuyoshi Ohishi, Tomotada Fujita, Daisuke Suzuki, Kazufumi Yamamoto, Tomohiro Banno, Hiroyuki Takase, Yukihiro Matsuyama
BACKGROUND: Elderly patients with hip fracture are at risk for cardiac complications. N-terminal pro-brain type natriuretic peptide (NT-proBNP) has been shown to predict cardiac complications in surgical patients; however, to our knowledge, only two studies have evaluated the utility of this test in patients with hip fracture. We believe it is important to assess a more accurate cutoff value of NT-proBNP with exclusion of patients with renal failure. QUESTIONS/PURPOSES: To assess the association between preoperative NT-proBNP and cardiac complications after hip fracture surgery...
January 18, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28100407/pressure-ulcer-reconstruction-in-patients-with-heterotopic-ossification-after-spinal-cord-injury-a-case-series-and-review-of-literature
#12
REVIEW
Kai Yang, Alexander Graf, James Sanger
Heterotopic ossification (HO) is widely recognized as a common occurrence among patients suffering from traumatic spinal cord injuries (SCI). The exact etiology of HO formation remains unknown. Published medical and surgical management strategies are often plagued with questionable effectiveness and frequent complications. There are minimal publications regarding the management strategies of HO in SCI patients as it pertains to plastic surgery. We present a case series of patients treated at our institution who underwent treatment for pressure ulcers with underlying HO to highlight the vast spectrum of clinical phenotypes present in this population...
December 21, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28100198/mr-imaging-for-detection-of-trampoline-injuries-in-children
#13
E Hauth, H Jaeger, P Luckey, M Beer
BACKGROUND: The recreational use of trampolines is an increasingly popular activity among children and adolescents. Several studies reported about radiological findings in trampoline related injuries in children. The following publication presents our experience with MRI for detection of trampoline injuries in children. METHODS: 20 children (mean 9.2 years, range: 4-15 years) who had undergone an MRI study for detection of suspected trampoline injuries within one year were included...
January 18, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28099484/increased-anterior-pelvic-angle-characterizes-the-gait-of-children-with-attention-deficit-hyperactivity-disorder-adhd
#14
Hiroaki Naruse, Takashi X Fujisawa, Chiho Yatsuga, Masafumi Kubota, Hideaki Matsuo, Shinichiro Takiguchi, Seiichiro Shimada, Yuto Imai, Michio Hiratani, Hirotaka Kosaka, Akemi Tomoda
BACKGROUND: Children with attention deficit/hyperactivity disorder (ADHD) frequently have motor problems. Previous studies have reported that the characteristic gait in children with ADHD is immature and that subjects demonstrate higher levels of variability in gait characteristics for the lower extremities than healthy controls. However, little is known about body movement during gait in children with ADHD. The purpose of this study was to identify the characteristic body movements associated with ADHD symptoms in children with ADHD...
2017: PloS One
https://www.readbyqxmd.com/read/28099350/retrospective-observational-study-comparing-the-international-hip-dysplasia-institute-classification-with-the-tonnis-classification-of-developmental-dysplasia-of-the-hip
#15
Mingyuan Miao, Haiqing Cai, Liwei Hu, Zhigang Wang
The Tonnis radiographic classification of developmental dysplasia of the hip (DDH) has been widely used. The International Hip Dysplasia Institute (IHDI) classification, a new classification system recently developed by the IHDI, is beginning to be applied to evaluate DDH with the absence of an ossification center. This study aimed to validate its reliability in evaluating DDH with an ossification center and compared the 2 classifications in evaluating all DDH hips. In addition, the prediction values of the 2 classifications on clinical management selection were compared...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28097117/cobalt-intoxication-heart-failure-after-revision-total-hip-replacement-for-ceramic-head-fracture-a-case-report
#16
Chul-Ho Kim, Young Hyun Choi, Mi Yeon Jeong, Jae Suk Chang, Pil Whan Yoon
In 1960s, toxic heart failure due to cobalt poisoning was firstly reported from Canadian industrial worker. Following development of bearing materials in hip arthroplasties, using cobalt-chrome alloy in bearing surface, there were rarely reported of systemic affect toxic cobaltism include toxic heart failure due to articulation wear in Western countries. It could be happened more easily by third body wear from ceramic particle especially revision total hip replacement (THR) surgery using cobalt-chrome alloy following ceramic articulation breakage which index surgery performed by ceramic on ceramic bearing...
December 2016: Hip & Pelvis
https://www.readbyqxmd.com/read/28097114/bilateral-idiopathic-chondrolysis-of-the-hip-in-an-adult-a-case-report-and-review-of-the-literature
#17
Kyoung-Ho Moon, Eun-Ho Shin, Joon-Soon Kang
Idiopathic chondrolysis of the hip usually develops in adolescents and is a disease characterized by gradual degenerative changes of the hyaline cartilage surrounding the head of the femur. It eventually decreases the hip joint space and causes limitations in the hip joint range of motion due to pain. The authors had experienced an unusual case of bilateral idiopathic chondrolysis of the hip in an 54 year-old male; thus, we report the treatment results and literature reviews in this case report.
December 2016: Hip & Pelvis
https://www.readbyqxmd.com/read/28097111/fucntional-and-radiological-outcome-of-surgical-management-of-acetabular-fractures-in-tertiary-care-hospital
#18
Faizan Iqbal, Intikhab Taufiq, Muhammad Kazim Raheem Najjad, Naveed Khan, Osama Bin Zia
PURPOSE: Acetabular fractures are mainly caused by trauma and the incidence is rising in developing countries. Initially these fractures were managed conservatively, due to lack of specialized and dedicated acetabulum surgery centres. Our aim is to study the radiological and functional outcomes of surgical management of acetabular fractures in tertiary care hospital. MATERIALS AND METHODS: Total 50 patients were enrolled. The patients with acetabular fractures were enrolled between the years 2012 to 2014...
December 2016: Hip & Pelvis
https://www.readbyqxmd.com/read/28096640/prevalence-of-metabolic-syndrome-in-pre-and-post-menopausal-women-a-prospective-study-from-apex-institute-of-north-india
#19
Sandeep Sharma, Neelam Aggarwal, Bharti Joshi, Vanita Suri, Sanjay Badada
BACKGROUND: The metabolic syndrome (MS) (syndrome X, insulin resistance syndrome) is a constellation of metabolic abnormalities and a complex predisease state that predicts future development of type 2 diabetes mellitus and cardiovascular disease. Menopausal transition and postmenopausal state are considered as a vulnerable period for developing MS, and this increased risk has been attributed to decreasing estrogen levels with an increasing risk of insulin resistance following menopause...
October 2016: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28096320/streptococcus-gordonii-a-rare-cause-of-prosthetic-joint-infection-in-a-total-hip-replacement
#20
Christopher Fenelon, John G Galbraith, David M Dalton, Eric Masterson
A 69-year-old female with a history of bilateral total hip replacements presented with rigors, fever and sudden onset left groin pain. A pelvic X-ray showed well-fixed implants. Blood results revealed a leucocytosis (white cell count 22.3 × 10(9) l(-1)) and elevated C-reactive protein (211 mg/l). Ultrasound-guided aspiration of her left hip grew Streptococcus gordonii No source infection could be identified apart from a new chronic sinus infection in a left upper incisor. Following a discussion with the patient a 6-week course of intravenous ceftriaxone was started and was successful in normalizing her inflammatory markers...
January 16, 2017: Journal of Surgical Case Reports
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