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https://www.readbyqxmd.com/read/28937786/prevalence-of-femoral-and-acetabular-version-abnormalities-in-patients-with-symptomatic-hip-disease-a-controlled-study-of-538-hips
#1
Till D Lerch, Inga A S Todorski, Simon D Steppacher, Florian Schmaranzer, Stefan F Werlen, Klaus A Siebenrock, Moritz Tannast
BACKGROUND: Variations in femoral and acetabular version are becoming increasingly recognized as contributing factors to the development of hip pain in patients with femoroacetabular impingement (FAI) and hip dysplasia. It is still unknown what the true prevalence of these rotational abnormalities is in this patient population. PURPOSE: To determine (1) the prevalence of femoral version abnormalities in symptomatic hips with FAI and hip dysplasia, (2) the prevalence of combined abnormalities of femoral and acetabular version in these patients, and (3) which specific hip morphologies are associated with abnormalities of femoral version...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28923460/the-mortality-burden-of-hourly-temperature-variability-in-five-capital-cities-australia-time-series-and-meta-regression-analysis
#2
Jian Cheng, Zhiwei Xu, Hilary Bambrick, Hong Su, Shilu Tong, Wenbiao Hu
BACKGROUND: Unstable weather, such as intra- and inter-day temperature variability, can impair the health and shorten the survival time of population around the world. Climate change will cause Earth's surface temperature rise, but has unclear effects on temperature variability, making it urgent to understand the characteristics of the burden of temperature variability on mortality, regionally and nationally. OBJECTIVES: This paper aims to quantify the mortality risk of exposure to short-term temperature variability, estimate the resulting death toll and explore how the strength of temperature variability effects will vary as a function of city-level characteristics...
September 15, 2017: Environment International
https://www.readbyqxmd.com/read/28914956/ischemic-femoral-head-osteonecrosis-in-a-piglet-model-causes-three-dimensional-decrease-in-acetabular-coverage
#3
Vidyadhar V Upasani, Megan E Jeffords, Christine L Farnsworth, David Padilla, Nick Lopreiato, Olumide O Aruwajoye, Harry K W Kim
Legg-Calve-Perthes disease (LCPD) is a childhood form of ischemic osteonecrosis marked by development of severe femoral head deformity and premature osteoarthritis. The pathogenesis of femoral head deformity has been studied extensively using a piglet model of ischemic osteonecrosis, however accompanying acetabular changes have not been investigated. The purpose of this study was to determine if acetabular changes accompany femoral head deformity in a well-established piglet model of LCPD and to define the acetabular changes using 3 dimensional computed tomography (3-D CT) and modeling...
September 15, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28870190/monobloc-implants-in-cementless-total-hip-arthroplasty-in-patients-with-legg-calve-perthes-disease-a-long-term-follow-up
#4
Ze-Yu Luo, Hao-Yang Wang, Duan Wang, Hui Pan, Fu-Xing Pei, Zong-Ke Zhou
BACKGROUND: The purpose of this study was to evaluate 10-year outcomes in cementless monobloc total hip arthroplasty (THA) in a group of hips with Legg-Calve-Perthes disease (LCPD). METHODS: We reviewed 71 patients (88 hips) who underwent cementless THA with a diagnosis of LCPD from 2003 to 2009. From the total of 71 patients, 34 men and 37 women with an average age of 49.94 years were included. The mean follow-up period was 10 years. RESULTS: The mean Harris Hip Score improved significantly from 46...
September 5, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28869997/-surgical-refixation-after-proximal-hamstring-tendon-avulsion-injuries-does-the-time-of-surgery-influence-functional-outcomes
#5
Raymond Best, Julia Eberle, Florian Beck, Jochen Huth, Ulrich Becker
Background Proximal hamstring tendon avulsion injuries are rare. If they do occur, surgical treatment with tendon refixation is regarded as the method of choice. Surgical outcome measurements have been investigated heterogeneously and, therefore, are difficult to compare. Hence, the possibility for correlations between postoperative outcomes and surgical methods or time of surgery is limited. Objective Using the new, validated and injury-specific Perth Hamstring Assessment Tool (PHAT), we aimed to investigate a population of own patients in order to compare the results in relation to the time of surgery after trauma...
September 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/28869712/acute-oxygen-therapy-an-audit-of-prescribing-and-delivery-practices-in-a-tertiary-hospital-in-perth-western-australia
#6
Anam Kamran, Elisa Chia, Claire Tobin
BACKGROUND: Oxygen is a widely used drug in the hospital setting. However, international audits suggest that oxygen administration practices are often not compliant with prescribed standards. This can place patients at risk and cause serious adverse events. AIM: To analyse data related to recent practices of oxygen prescription and administration at Royal Perth Hospital (RPH), Western Australia. The results of this audit aim to guide further research on possible interventional studies implementing key solutions...
September 4, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28869431/a-method-to-investigate-the-biomechanical-alterations-in-perthes-disease-by-hip-joint-contact-modeling
#7
Remel Alingalan Salmingo, Tina Lercke Skytte, Marie Sand Traberg, Lars Pilgaard Mikkelsen, Kaj-Åge Henneberg, Christian Wong
Perthes' disease is a destructive hip joint disorder characterized by malformation of the femoral head in young children. While the morphological changes have been widely studied, the biomechanical effects of these changes still need to be further elucidated. The objective of this study was to develop a method to investigate the biomechanical alterations in Perthes' disease by finite element (FE) contact modeling using MRI. The MRI data of a unilateral Perthes' case was obtained to develop the three-dimensional FE model of the hip joint...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28845913/alcohol-related-presentations-to-the-royal-perth-hospital-emergency-department-a-prospective-study
#8
Stuart Vb McLay, Ellen MacDonald, Daniel M Fatovich
OBJECTIVE: To quantify and describe alcohol-related presentations to our ED, as part of the binational Alcohol Harm in Emergency Departments study. METHODS: A prospective observational study at Royal Perth Hospital of every patient attending ED for the 168-h period commencing 08.00 hours Monday 1 December 2014. Patient presentations were classified as alcohol-related (alcohol-positive) using predefined criteria. These patients were compared to alcohol-negative patients on a range of demographic and clinical descriptors...
August 28, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28836320/the-perth-emergency-laparotomy-audit
#9
Katherine J Broughton, Oscar Aldridge, Sharin Pradhan, R James Aitken
BACKGROUND: Emergency laparotomies (ELs) are associated with high mortality and substantial outcome variation. There is no prospective Australian data on ELs. The aim of this study was to audit outcome after ELs in Western Australia. METHODS: A 12-week prospective audit was completed in 10 hospitals. Data collected included patient demographics, the clinical pathway, preoperative risk assessment and outcomes including 30-day mortality and length of stay. RESULTS: Data were recorded for 198 (76...
August 23, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28812206/differences-in-femoral-neck-structure-between-elderly-caucasian-and-chinese-populations-a-cross-sectional-study-of-perth-beijing-cohorts
#10
L Wang, B C C Khoo, X G Cheng, K Brown, J R Lewis, Y B Su, Z Guo, K Li, R L Prince
Structural skeletal differences of the femoral neck of older Beijing-Chinese and Perth-Caucasian women were compared; adjusting for frame size-related differences, Beijing-Chinese have lower periosteal width; however, indices of internal bone distribution suggest that Beijing-Chinese may exhibit increased resistance to fracture that may relate to the reduced hip fracture incidence. INTRODUCTION: Ethnic differences in skeletal structure may relate to differences in hip fracture risk in Chinese and Caucasian populations...
August 15, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28768789/a-case-control-study-to-determine-the-association-between-perthes-disease-and-the-recalled-use-of-tobacco-during-pregnancy-and-biological-markers-of-current-tobacco-smoke-exposure
#11
D C Perry, C Thomson, D Pope, C E Bruce, M J Platt
AIMS: It is well established that there is a strong association between Perthes' disease and worsening socioeconomic deprivation. It has been suggested that the primary determinant driving this association is exposure to tobacco smoke. This study aimed to examine this hypothesis. PATIENTS AND METHODS: A hospital case-control study (n = 149/146) examined the association between tobacco smoke exposure and Perthes' disease, adjusting for area-level socioeconomic deprivation...
August 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28767613/effect-of-greater-trochanteric-epiphysiodesis-after-femoral-varus-osteotomy-for-lateral-pillar-classification-b-and-b-c-border-legg-calv%C3%A3-perthes-disease-a-retrospective-observational-study
#12
Keun-Sang Kwon, Sung Il Wang, Ju-Hyung Lee, Young Jae Moon, Jung Ryul Kim
This is a retrospective observational study. Greater trochanteric epiphysiodesis (GTE) has been recommended to prevent Trendelenburg gait and limitation of the hip joint motion due to trochanteric overgrowth after femoral varus osteotomy (FVO) in Legg-Calvé-Perthes disease (LCPD). However, capital femoral physeal arrest frequently occurs in patients with severe disease (lateral pillar C), so GTE might not be as effective in these patients. The aim of this study was to compare trochanteric growth inhibition due to GTE after FVO between 2 age groups (<8 or >8 years) in patients with lateral pillar B and B/C border LCPD and evaluate the effectiveness of GTE compared with the normal, unaffected hip...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28764110/urban-environments-alter-parasite-fauna-weight-and-reproductive-activity-in-the-quenda-isoodon-obesulus
#13
Alison E Hillman, Alan J Lymbery, Aileen D Elliot, R C Andrew Thompson
Some wildlife species are capable of surviving in urbanised environments. However, the implications of urbanisation on wildlife health, and public health regarding zoonoses, are often unknown. Quenda (syn. southern brown bandicoots, Isoodon obesulus) survive in many areas of Perth, Australia, despite urbanisation. This study investigated differences in gastrointestinal and macroscopic ecto-parasitic infections, morphometrics and reproductive status between bushland and urban dwelling quenda. 287 quenda in the greater Perth region were captured and sampled for faeces (to detect gastrointestinal parasites), blood (to detect Toxoplasma gondii antibodies), ectoparasites, and morphometrics...
December 31, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28760802/this-much-water-a-qualitative-study-using-behavioural-theory-to-develop-a-community-service-video-to-prevent-child-drowning-in-western-australia
#14
Mel Denehy, Justine E Leavy, Jonine Jancey, Lauren Nimmo, Gemma Crawford
OBJECTIVES: Drowning in children under the age of 5 is a frequently occurring, yet preventable event. This research used behavioural theory to test the suitability and appropriateness of a drowning prevention message in a community service video. DESIGN: This qualitative study used content analysis of focus groups. Constructs from the Health Belief Model guided the data analysis. SETTING: Community organisations and playgrounds in Perth, Western Australia...
July 31, 2017: BMJ Open
https://www.readbyqxmd.com/read/28758970/practical-considerations-before-installing-ground-based-geodetic-infrastructure-for-integrated-insar-and-cgnss-monitoring-of-vertical-land-motion
#15
Amy L Parker, Will E Featherstone, Nigel T Penna, Mick S Filmer, Matt C Garthwaite
Continuously operating Global Navigation Satellite Systems (cGNSS) can be used to convert relative values of vertical land motion (VLM) derived from Interferometric Synthetic Aperture Radar (InSAR) to absolute values in a global or regional reference frame. Artificial trihedral corner reflectors (CRs) provide high-intensity and temporally stable reflections in SAR time series imagery, more so than naturally occurring permanent scatterers. Therefore, it is logical to co-locate CRs with cGNSS as ground-based geodetic infrastructure for the integrated monitoring of VLM...
July 31, 2017: Sensors
https://www.readbyqxmd.com/read/28753225/review-of-dynamic-contrast-enhanced-mri-technical-aspects-and-applications-in-the-musculoskeletal-system
#16
REVIEW
Parvinder Sujlana, Jan Skrok, Laura M Fayad
Although postcontrast imaging has been used for many years in musculoskeletal imaging, dynamic contrast enhanced (DCE) MRI is not routinely used in many centers around the world. Unlike conventional contrast-enhanced sequences, DCE-MRI allows the evaluation of the temporal pattern of enhancement in the musculoskeletal system, perhaps best known for its use in oncologic applications (such as differentiating benign from malignant tumors, evaluating for treatment response after neoadjuvant chemotherapy, and differentiating postsurgical changes from residual tumor)...
July 28, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28740529/legg-calv%C3%A3-perthes-disease-classifications-and-prognostic-factors
#17
REVIEW
Virginie Rampal, Jean-Luc Clément, Federico Solla
INTRODUCTION: Legg-Calvé-Perthes Disease (LCPD) represents idiopathic avascular necrosis of femoral head in pediatric population. Indications for treatment depend mostly on prognosis about femoral head sphericity and hip congruence at the end of growth. The aim of this review is to highline prognostic factors of LCPD. METHODS: Bibliographic search in PubMed allowed selection of 33 articles concerning prognostic factors and/or classification of LCPD. CONCLUSION: Clinical factors of poor prognosis are overweight, female sex, age exceeding 6 years old, and lack of hip abduction...
January 2017: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28731779/arthroscopic-labral-base-repair-in-the-hip-5-year-minimum-clinical-outcomes
#18
Benjamin G Domb, Leslie C Yuen, Victor Ortiz-Declet, Jody Litrenta, Itay Perets, Austin W Chen
BACKGROUND: Arthroscopic labral base repair (LBR) in the hip is a previously described technique designed to restore the native functional anatomy of the labrum by reproducing its seal against the femoral head. LBR has been shown to have good short-term outcomes. Hypothesis/Purpose: The purpose was to evaluate clinical outcomes of an LBR cohort with a minimum 5-year follow-up. It was hypothesized that patients who underwent LBR would continue to have significant improvement from their preoperative scores and maintain scores similar to their 2-year outcomes...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28728139/a-longitudinal-analysis-of-the-influence-of-the-neighborhood-environment-on-recreational-walking-within-the-neighborhood-results-from-reside
#19
Hayley Christian, Matthew Knuiman, Mark Divitini, Sarah Foster, Paula Hooper, Bryan Boruff, Fiona Bull, Billie Giles-Corti
BACKGROUND: There is limited longitudinal evidence confirming the role of neighborhood environment attributes in encouraging people to walk more or if active people simply choose to live in activity-friendly neighborhoods. Natural experiments of policy changes to create more walkable communities provide stronger evidence for a causal effect of neighborhood environments on residents' walking. OBJECTIVES: We aimed to investigate longitudinal associations between objective and perceived neighborhood environment measures and neighborhood recreational walking...
July 12, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28722591/serological-evidence-of-rickettsia-spp-in-western-australian-dogs
#20
COMPARATIVE STUDY
Mark David Bennett, Mohammad Yazid Abdad, John Stenos
It has been claimed that dogs can be useful sentinels for public health monitoring of vector-borne infectious diseases, including Rickettsia spp. We used 153 canine blood samples opportunistically collected at Murdoch University Veterinary Hospital and 156 canine sera collected from Aboriginal communities in northwest Western Australia to test for evidence of Rickettsia spp. exposure, using microimmunofluorescence (MIF) in the latter case, and both MIF and polymerase chain reaction (PCR) in the former. Conventional and real-time PCR failed to amplify any Rickettsia spp...
August 2017: American Journal of Tropical Medicine and Hygiene
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