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Hip preservation

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https://www.readbyqxmd.com/read/28506238/ten-year-survival-rate-after-rotational-acetabular-osteotomy-in-adulthood-hip-dysplasia
#1
Masamitsu Tomioka, Yutaka Inaba, Naomi Kobayashi, Taro Tezuka, Hyonmin Choe, Hiroyuki Ike, Tomoyuki Saito
BACKGROUND: Rotational acetabular osteotomy (RAO) is an effective joint-preserving surgical treatment for adulthood hip dysplasia (AHD). Despite sufficient correction of acetabular dysplasia, some patients still experience osteoarthritis (OA) progression and require total hip arthroplasty (THA). The purposes of the current study were to investigate the survival rate and the risk factors for OA progression or THA requirement after RAO and to explore whether acetabular overcorrection relates to OA progression...
May 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28501221/return-to-sport-and-clinical-outcomes-after-hip-arthroscopic-labral-repair-in-young-amateur-athletes-minimum-2-year-follow-up
#2
Rohith Mohan, Nick R Johnson, Mario Hevesi, Christopher M Gibbs, Bruce A Levy, Aaron J Krych
PURPOSE: To determine the rate of return of young amateur athletes to sport after hip arthroscopy, their clinical outcomes, and pathologic risk factors for worse outcomes 2 years after surgery. METHODS: This study included all patients between age 13 and 23 who participated in a sport prior to surgery with intent to return who underwent hip arthroscopy after failure of comprehensive nonoperative management for whom 2-year outcome scores were available. Outcomes collected retrospectively included modified Harris Hip Score (mHHS) and the Hip Outcome Scores (HOS) subscales for activities of daily living (ADL) and sport (HOS Sport)...
May 10, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28500448/bone-loss-after-denosumab-only-partial-protection-with-zoledronate
#3
Ian R Reid, Anne M Horne, Borislav Mihov, Gregory D Gamble
A case series of six women with postmenopausal osteoporosis who had received continuous denosumab for 7 years and were then given a single infusion of zoledronate (5 mg) is reported. During denosumab treatment, bone mineral density (BMD) in the spine increased 18.5% (P = 0.006), and total hip BMD by 6.9% (P = 0.03). Post-zoledronate BMDs were measured 18-23 months after treatment, and there were significant declines at each site (P spine = 0.043, P hip = 0.005). Spine BMD remained significantly above the pre-denosumab baseline (+9...
May 13, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28498798/differential-expression-of-mir-195-5p-in-collapse-of-steroid-induced-osteonecrosis-of-the-femoral-head
#4
Pengfei Li, Pei Zhai, Zengjie Ye, Peng Deng, Yueguang Fan, Yirong Zeng, Zhihui Pang, Jianchun Zeng, Jie Li, Wenjun Feng
BACKGROUND: Femoral head collapse is a key reference point for determining a treatment regimen of femoral head osteonecrosis. However, there are no effective preventive measures and the efficacy of hip-preserving surgery is unsatisfactory due to the unclear mechanism of collapse. This study aimed to identify and validate miRNAs differentially expressed in collapse and non-collapse areas of the osteonecrotic femoral head, and to predict the target genes and pathways of these miRNAs. RESULTS: Nine samples passed the quality control test...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28488162/can-the-metaphyseal-anchored-metha-short-stem-safely-be-revised-with-a-standard-cls-stem-a-biomechanical-analysis
#5
Shuang G Yan, Matthias Woiczinski, Tobias F Schmidutz, Patrick Weber, Alexander C Paulus, Arnd Steinbrück, Volkmar Jansson, Florian Schmidutz
PURPOSE: Short stem total hip arthroplasty (SHA) has gained increasing popularity as it conserves bone stock and is supposed to allow revision with a conventional stem. However, no study has evaluated whether the revision of a SHA with a standard total hip arthroplasty (THA) stem provides sufficient primary stability to allow osseous integration. METHODS: A neck preserving SHA (Metha) and a standard THA (CLS) stem were implanted into six composite femurs respectively and dynamically loaded (300-1700 N, 1 Hz)...
May 9, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28476371/editorial-commentary-yet-another-way-to-measure-hip-surgery-patient-outcomes-will-this-ever-end
#6
EDITORIAL
Nick G Mohtadi
The Hip Preservation Surgery Expectations Survey (HPSES) developed by Mancuso et al. is an attempt to better predict outcome and/or discriminate between patients who are candidates for hip preservation surgery. The authors have ensured that patient input was paramount in the development of the survey. There are limitations to this study. However, with further prospective evaluation, this survey may provide important evaluative and discriminative information to improve patient selection.
May 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28465284/development-of-diabetes-does-not-alter-behavioral-and-molecular-circadian-rhythms-in-a-transgenic-rat-model-of-type-2-diabetes-mellitus
#7
Jingyi Qian, Anthony P Thomas, Analyne M Schroeder, Kuntol Rakshit, Christopher S Colwell, Aleksey V Matveyenko
Metabolic state and circadian clock function exhibit complex bidirectional relationship. Circadian disruption increases propensity for metabolic dysfunction, whereas common metabolic disorders such as obesity and Type 2 diabetes (T2DM) are associated with impaired circadian rhythms. Specifically, alterations in glucose availability and glucose metabolism have been shown to modulate clock gene expression and function in vitro; however to date it is unknown whether development of diabetes imparts deleterious effects on the suprachiasmatic nucleus (SCN) circadian clock and SCN-driven outputs in vivo...
May 2, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28461967/core-decompression-and-biotechnologies-in-the-treatment-of-avascular-necrosis-of-the-femoral-head
#8
Giorgio Maria Calori, Emilio Mazza, Alessandra Colombo, Simone Mazzola, Massimiliano Colombo
Avascular necrosis (AVN) of the femoral head (FH) causes 5% to 12% of total hip arthroplasties (THA). It especially affects active male adults between the third and fifth decades of life. The exact worldwide incidence is unknown. There are only few data related to each country, but most of it relates to the United States.Non-surgical management has a very limited role in the treatment of AVN of the FH and only in its earliest stages. Core decompression (CD) of the hip is the most common procedure used to treat the early stages of AVN of the FH...
February 2017: EFORT Open Rev
https://www.readbyqxmd.com/read/28451616/relationship-between-the-lateral-center-edge-angle-and-3-dimensional-acetabular-coverage
#9
James D Wylie, Ashley L Kapron, Christopher L Peters, Stephen K Aoki, Travis G Maak
BACKGROUND: The lateral center-edge angle (LCEA) is an important measurement in understanding acetabular morphology and has had multiple interpretations. Misunderstanding of the LCEA and its relationship with acetabular 3-dimensional (3D) morphology may result in misdiagnosis and poor outcomes. PURPOSE: To determine the discrepancy between bone-edge and sourcil-edge LCEA measurements on anteroposterior (AP) radiographs and to determine the 3D anatomic location of the sourcil-edge and bone-edge LCEA measurements...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28430719/intertrochanteric-osteotomy-for-femoral-neck-non-union-does-undercorrection-result-in-an-acceptable-rate-of-femoral-neck-union
#10
Brandon J Yuan, David W Shearer, David P Barei, Sean E Nork
OBJECTIVES: To analyze the radiographic outcomes of intertrochanteric osteotomy for the treatment of femoral neck non-union with "undercorrection" of the Pauwels' angle and relative preservation of the proximal femoral anatomy. DESIGN: Retrospective cohort study SETTING:: Level-1 trauma center PATIENTS:: Thirty-two patients with established femoral neck non-unions that had been treated with intertrochanteric osteotomy were retrospectively identified through Current Procedural Terminology (CPT) codes...
April 18, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28407199/comprehensive-geriatric-assessment-for-prevention-of-delirium-after-hip-fracture-a-systematic-review-of-randomized-controlled-trials
#11
Lynn Shields, Victoria Henderson, Robert Caslake
OBJECTIVES: To assess the efficacy of comprehensive geriatric assessment (CGA) in prevention of delirium after hip fracture. DESIGN: Systematic review and metaanalysis. SETTING: Ward based models on geriatrics wards and visiting team based models on orthopaedics wards were included. PARTICIPANTS: Four trials (three European, one U.S.; 973 participants) were identified. Two assessed ward-based, and two assessed team-based interventions...
April 13, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28405731/reduced-bone-mass-and-preserved-marrow-adipose-tissue-in-patients-with-inflammatory-bowel-diseases-in-long-term-remission
#12
C M Bastos, I M Araújo, M H Nogueira-Barbosa, C E G Salmon, F J A de Paula, L E A Troncon
Bone marrow adipose tissue has not been studied in patients with inactive inflammatory bowel disease. We found that these patients have preserved marrow adiposity even with low bone mass. Factors involved in bone loss in active disease may have long-lasting effects but do not seem to affect bone marrow adiposity. INTRODUCTION: Reduced bone mass is known to occur at varying prevalence in patients with inflammatory bowel diseases (IBD) because of inflammation, malnutrition, and steroid therapy...
April 12, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28391517/preoperative-digital-planning-versus-postoperative-outcomes-in-total-hip-arthroplasty-using-a-calcar-guided-short-stem-frequent-valgization-can-be-avoided
#13
Karl Philipp Kutzner, Joachim Pfeil, Mark Predrag Kovacevic
INTRODUCTION: Modern total hip arthroplasty is largely dependent on the successful preservation of hip geometry. Thus, a successful implementation of the preoperative planning is of great importance. The present study evaluates the accuracy of anatomic hip reconstruction predicted by 2D digital planning using a calcar-guided short stem of the newest generation. METHODS: A calcar-guided short stem was implanted in 109 patients in combination with a cementless cup using the modified anterolateral approach...
April 8, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28376363/the-effect-of-post-sintering-treatments-on-the-fatigue-and-biological-behavior-of-ti-6al-4v-eli-parts-made-by-selective-laser-melting
#14
M Benedetti, E Torresani, M Leoni, V Fontanari, M Bandini, C Pederzolli, C Potrich
Fatigue resistance and biocompatibility are key parameters for the successful implantation of hard-tissue prostheses, which nowadays are more and more frequently manufactured by selective laser melting (SLM). For this purpose, the present paper is aimed at investigating the effect of post-sintering treatments on the fatigue behavior and biological properties of Ti samples produced by SLM. After the building process, all samples are heat treated to achieve a complete stress relief. The remaining ones are tribofinished with the aim of reducing the surface roughness of the as-sintered condition...
March 28, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28373951/vascular-coloration-for-anatomical-study-of-the-pelvis-and-hip-implications-in-hip-preservation-surgery
#15
Jorge Chahla, George Sanchez, Gilbert Moatshe, Abigail Richards, Christiaan J Van Der Walt, Cecilia Pascual-Garrido
Hip preservation surgical techniques have steadily increased in the recent past. Therefore, precise knowledge of the vascular system of the hip and pelvis is critical for avoidance of possibly devastating complications during surgery. A colored latex injection in the common iliac artery of cadavers allows for a complete staining of the hip and pelvis vascular system. This technique creates more resilient vessels, whereas coloration with dye causes the vessels to be highly visible in comparison with the surrounding tissue...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28362049/robotic-arm-assisted-total-hip-arthroplasty-results-in-smaller-acetabular-cup-size-in-relation-to-the-femoral-head-size-a-matched-pair-controlled-study
#16
Carlos Suarez-Ahedo, Chengcheng Gui, Timothy J Martin, Sivashankar Chandrasekaran, Parth Lodhia, Benjamin G Domb
PURPOSE: To compare the acetabular component size relative to the patient's native femoral head size between conventional THA (CTHA) approach and robotic-arm assisted THA (RTHA) to infer which of these techniques preserved more acetabular bone. METHODS: Patients were included if they had primary osteoarthritis (OA) and underwent total hip replacement between June 2008 and March 2014. Patients were excluded if they had missing or rotated postoperative anteroposterior radiographs...
March 31, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28361003/case-report-primary-osteonecrosis-associated-with-thrombophilia-hypofibrinolysis-and-worsened-by-testosterone-therapy
#17
Michael Ian Jarman, Kevin Lee, Ariel Kanevsky, Sarah Min, Ilana Schlam, Chris Mahida, Ali Huda, Alexander Milgrom, Naila Goldenberg, Charles J Glueck, Ping Wang
BACKGROUND: Familial and acquired thrombophilia are often etiologic for idiopathic hip and jaw osteonecrosis (ON), and testosterone therapy (TT) can interact with thrombophilia, worsening ON. CASE PRESENTATION: Case 1: A 62-year-old Caucasian male (previous deep venous thrombosis), on warfarin 1 year for atrial fibrillation (AF), had non-specific right hip-abdominal pain for 2 years. CT scan revealed bilateral femoral head ON without collapse. Coagulation studies revealed Factor V Leiden (FVL) heterozygosity, 4G/4G plasminogen activator inhibitor (PAI) homozygosity, high anti-cardiolipin (ACLA) IgM antibodies, and endothelial nitric oxide (NO) synthase (eNOS) T786C homozygosity (reduced conversion of L-arginine to NO, required for bone health)...
2017: BMC Hematology
https://www.readbyqxmd.com/read/28341184/global-fit-concept-in-revision-hip-arthroplasty-for-cementless-press-fit-femoral-stems
#18
F Canovas, P LeBeguec, J Batard, F Gaillard, L Dagneaux
A revision stem may be required after a femoral extended trochanteric osteotomy (ETO) is made during revision hip arthroplasty. The two main complications of straight cementless femoral stems are subsidence due to inadequate osteointegration and stress-shielding. We will describe an original revision method with ETO that uses a straight cementless stem. The goal of this method was to achieve the most extensive press-fit possible during stem implantation to improve the transmission of stresses to the bone and to prevent reduction in bone density...
March 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28318867/efficacy-of-alendronate-for-the-prevention-of-bone-loss-in-calcar-region-following-total-hip-arthroplasty
#19
Yohei Yukizawa, Yutaka Inaba, Naomi Kobayashi, Hyonmin Choe, So Kubota, Tomoyuki Saito
BACKGROUND: Bone mineral density (BMD) loss around femoral implants, particularly in the proximal femur, is a common outcome after total hip arthroplasty. Previous studies reported the prevention of postsurgical decrease in BMD with the use of osteoporosis drug therapy. This randomized study evaluated the efficacy of alendronate and alfacalcidol for preserving BMD over a long-term follow-up. METHODS: Sixty consecutive patients with hip osteoarthritis who had undergone primary cementless total hip arthroplasty were randomly assigned to an alendronate (n = 20), alfacalcidol (n = 18), or control (n = 22) group...
February 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28318866/innovations-in-joint-preservation-procedures-for-the-dysplastic-hip-the-periacetabular-osteotomy
#20
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
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