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https://www.readbyqxmd.com/read/28087159/the-direct-anterior-approach-for-complex-primary-total-hip-arthroplasty-the-extensile-acetabular-approach-on-a-regular-operating-room-table
#1
Ben Molenaers, Ronald Driesen, Guy Molenaers, Kristoff Corten
BACKGROUND: The direct anterior approach on a regular operating room table has been reported with low dislocation rates. This might be beneficial for complex primary total hip arthroplasty (THA) such as in patients with cerebral palsy or following femoral or pelvic osteotomies. Extending the approach is often required to overcome problems such as acetabular deformities or severe contractures. METHODS: We retrospectively evaluated the results and complications of 29 patients with 37 complex primary THA in which an extensile approach was used...
December 22, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28081584/-mini-open-approach-shows-good-results-in-treatment-of-femoroacetabular-impingement
#2
Stephanie Maria Kirschbaum, Frank Sitterlee, Carsten Perka, Michael Müller
Background Femoroacetabular impingement (FAI) describes a painful, abnormal (bony) contact between the femoral neck and acetabulum, which, if left untreated, contributes to early osteoarthritis (OA) of the hip. Despite its flat learning curve and long operation times, hip arthroscopy has been used increasingly often in recent years in the surgery of femoroacetabular impingement. The mini-open technique (MOT) offers a possible alternative that addresses the abnormal morphological prominence and allows minimally invasive clearance of hip motion...
January 12, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28067608/continuous-cognitive-task-promotes-greater-postural-stability-than-an-internal-or-external-focus-of-attention-in-older-adults
#3
Natalie Richer, Nadia Polskaia, Yves Lajoie
: Background/Study Context: Recent evidence suggests that removing attention from postural control using either an external focus or a cognitive task will improve stability in healthy young adults. Due to increases in attentional requirements of upright stance in older adults, it is unclear if similar benefits would be observed in this population. The aim of the present study was to examine the effect of attentional focus and of a continuous cognitive task on postural control in older adults...
January 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28066743/endoscopic-release-of-internal-snapping-hip-a-review-of-literature
#4
Alessio Giai Via, Attilio Basile, Mauricio Wainer, Carlos Musa, Johnny Padulo, Rodrigo Mardones
BACKGROUND: Internal snapping hip is a common clinical condition, characterized by an audible or palpable snap of the medial compartment of the hip. In most cases it is asymptomatic, while in a few patients, mostly in athletes who participate in activities requiring extremes of hip range of motion, the snap may become painful (internal snapping hip syndrome - ISHS). MATERIALS AND METHODS: This is a review of current literature, focused on the pathogenesis, diagnosis and treatment of ISHS...
July 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28066737/anterior-inferior-iliac-spine-aiis-and-subspine-hip-impingement
#5
Patrick Carton, David Filan
BACKGROUND: Abnormal morphology of the anterior inferior iliac spine (AIIS) and the subspine region of the acetabular rim are increasingly being recognised as a source of symptomatic extra-articular hip impingement. This review article aims to highlight important differences in the pathogenesis, clinical presentation and management of extra-articular hip impingement from both the AIIS and subspine bony regions, and the outcome following surgical intervention. METHODS: A literature review was undertaken to examine the supporting evidence for AIIS and subspine hip impingement...
July 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28062423/prominent-metalware-from-pelvic-surgery-causing-dyspareunia
#6
Mithun Nambiar, Samuel Raymond Heaton, Andrew John Stevenson, Andrew Thomas Bucknill
We present a case of female dyspareunia secondary to metalware placement during extensive pelvic surgery following a motor vehicle accident. The patient initially had an uneventful recovery from her operations. However, she noticed pain with vaginal intercourse, due to a screw tip which was palpable on vaginal examination. X-ray imaging confirmed long screws in the medial part of an anterior column plate, which were impacting on the anterior vaginal wall. Subsequent percutaneous removal of two screws resulted in resolution of her symptoms of painful vaginal intercourse...
January 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28062381/diagnostic-performance-of-bilateral-false-profile-radiographs-in-early-hip-osteoarthritis
#7
Jean-Denis Laredo, Annabelle Wyler, Cécile Alvarez, Mounir Aout, Michel Lequesne, Eric Vicaut
OBJECTIVES: 1. To show that the anterior hip joint space is profiled only on the contralateral false profile radiograph. 2. To provide normal values of hip joint space width on anteroposterior and false profile radiographs. 3. To identify the best sites for joint space radiographic measurements to depict early hip osteoarthritis. METHODS: Anteroposterior and bilateral false profile radiographs of a cadaveric pelvis with markers around the anterior part of the hip joint were obtained...
January 3, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28060533/morphological-distribution-of-the-anterior-inferior-iliac-spine-in-patients-with-and-without-hip-impingement
#8
George C Balazs, Benjamin C Williams, Christopher M Knaus, Daniel I Brooks, Jonathan F Dickens, Michael P McCabe, Terrence D Anderson
BACKGROUND: Subspinous impingement of the anterior inferior iliac spine (AIIS) on the femoral head-neck junction is increasingly recognized as a source of hip impingement. A classification system of AIIS morphology has previously been proposed that correlates with reduced hip motion and may predispose patients to subspinous hip impingement. PURPOSE: To examine the morphological distribution of AIIS types in patients with and without diagnosed hip impingement and correlate AIIS morphology to intraoperative findings at the time of surgery...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28059869/a-longitudinal-supra-inguinal-fascia-iliaca-compartment-block-reduces-morphine-consumption-after-total-hip-arthroplasty
#9
Matthias Desmet, Kris Vermeylen, Imré Van Herreweghe, Laurence Carlier, Filiep Soetens, Stijn Lambrecht, Kathleen Croes, Hans Pottel, Marc Van de Velde
BACKGROUND AND OBJECTIVES: The role of a fascia iliaca compartment block (FICB) for postoperative analgesia after total hip arthroplasty (THA) remains questionable. High-dose local anesthetics and a proximal injection site may be essential for successful analgesia. High-dose local anesthetics may pose a risk for local anesthetic systemic toxicity. We hypothesized that a high-dose longitudinal supra-inguinal FICB is safe and decreases postoperative morphine consumption after anterior approach THA...
January 3, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28056583/neglected-traumatic-anterior-dislocation-of-the-hip-open-reduction-using-the-bernese-trochanter-flip-approach-a-case-report
#10
Sven Young, Leonard Banza
No abstract text is available yet for this article.
January 6, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28049594/anterior-inferior-iliac-spine-morphology-and-outcomes-of-hip-arthroscopy-in-soccer-athletes-a%C3%A2-comparison-to-nonkicking-athletes
#11
Danyal H Nawabi, Ryan M Degen, Kara G Fields, Catherine S Wentzel, Olusanjo Adeoye, Bryan T Kelly
PURPOSE: To describe the anterior inferior iliac spine (AIIS) morphology and clinical outcomes following arthroscopic surgical decompression in a group of high-level soccer athletes presenting with symptomatic hip impingement when compared with a control group of nonkicking athletes. METHODS: From 2009 to 2012, we retrospectively reviewed our prospective hip registry for soccer athletes who underwent arthroscopic treatment for femoroacetabular impingement (FAI) with 2-year follow-up, comparing with a control group of nonkicking athletes...
December 31, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28046251/su-g-iep3-02-characteristics-of-in-vivo-mosfet-dosimeters-for-diagnostic-x-ray-low-dose-measurements
#12
S Li, S Ali, K Harper, Q Liang, D Serratore
PURPOSE: To correct in-vivo metal-oxide-semiconductor field-effect transistor (MOSFET) dosimeters dependence on X-ray energy, dose and dose rate, and temperature in order to measure doses or exposures on several anatomic points of interest undergoing some routine radiographs. METHODS: A mobile MOSFET system (BEST Medical) was carefully calibrated with X-ray at kVp of 70, 80, 100, 120, and 138 kVp, phantom temperatures at 0, 21, and 43 oC, and exposure range from 0...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28043749/an-anatomic-analysis-of-mid-anterior-and-anterolateral-approaches-for-hip-arthrocentesis-a%C3%A2-male-cadaveric-study
#13
Jacob D Mikula, Jason M Schon, Chase S Dean, Jorge Chahla, Renato Locks, Alex W Brady, Robert F LaPrade, Marc J Philippon
PURPOSE: To determine the accuracy and safety of non-image-guided modified mid-anterior and anterolateral approaches to the hip joint for arthrocentesis. METHODS: Six pairs (n = 12) of human cadaveric hemipelvises underwent methylene blue hip injections through either a mid-anterior or an anterolateral approach. The distance from the mid-anterior approach to the lateral femoral cutaneous nerve (LFCN) was measured. Needle orientation was defined by a combination of 2 angles, calculated by the computer software analysis of digitized points...
December 30, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28041611/the-mechanics-of-focal-chondral-defects-in-the-hip
#14
Brenden J Klennert, Benjamin J Ellis, Travis G Maak, Ashley L Kapron, Jeffrey A Weiss
There is a mean incidence of osteoarthritis (OA) of the hip in 8% of the overall population. In the presence of focal chondral defects, defined as localized damage to the articular cartilage, there is an increased risk of symptomatic progression toward OA. This relationship between chondral defects and subsequent development of OA has led to substantial efforts to develop effective procedures for surgical cartilage repair. This study examined the effects of chondral defects and labral delamination on cartilage mechanics in the dysplastic hip during the gait cycle using subject-specific finite element analysis...
November 29, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/28036322/effects-of-femoral-rotational-taping-on-dynamic-postural-stability-in-female-patients-with-patellofemoral-pain
#15
Chen-Yi Song, Jiu-Jenq Lin, Alison H Chang
OBJECTIVE: To investigate the effects of femoral rotational taping on task performance, dynamic postural control, and pain during the Star Excursion Balance Test (SEBT) in patients with patellofemoral pain (PFP) compared to healthy controls. DESIGN: Case-control study, pretest-posttest. SETTING: Laboratory. PARTICIPANTS: Twenty-four female participants (16 with PFP, 8 controls). INTERVENTIONS: Participants in both the PFP and control groups performed SEBT with no taping, sham taping, and femoral rotational taping...
October 10, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28025151/normative-3d-acetabular-orientation%C3%A2-measurements-by-the-low-dose-eos-imaging-system-in-102-asymptomatic-subjects-in-standing-position-analyses-by-side-gender-pelvic-incidence-and-reproducibility
#16
Thomas Thelen, Philippe Thelen, Hugues Demezon, Stephane Aunoble, Jean-Charles Le Huec
BACKGROUND: Three-dimensional (3D) acetabular orientation is a fundamental topic in orthopedic surgery. Computed tomography (CT) allows 3D measurement of native acetabular orientation, but with a substantial radiation dose. The EOS imaging system was developed to perform this kind of evaluation, but has not been validated in this indication with specific attention to the acetabulum. We therefore performed a prospective study using EOS to assess: 1) the reproducibility of the 3D acetabulum orientation measures; 2) normative asymptomatic acetabular morphology in standing position, according to side and gender; and 3) the relationship between acetabular anteversion and pelvic incidence...
December 23, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28024885/heterotopic-ossification-in-primary-total-hip-arthroplasty-using-the-direct-anterior-vs-direct-lateral-approach
#17
Pouya Alijanipour, Ripal P Patel, Tejal U Naik, Javad Parvizi
BACKGROUND: The formation and severity of heterotopic ossification (HO) may be influenced by type of surgical approach. Our hypothesis was that because of differences in soft tissue dissection, differences exist in HO formation in primary total hip arthroplasty using direct anterior (DA) vs direct lateral (DL) approach. METHODS: A total of 1482 consecutive patients with DL (736) or DA (746) approach and similar perioperative care protocol during 2009-2011 were retrospectively studied...
November 22, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28017874/factors-influencing-progressive-collapse-of-the-transposed-necrotic-lesion-after-transtrochanteric-anterior-rotational-osteotomy-for-osteonecrosis-of-the-femoral-head
#18
Yusuke Kubo, Goro Motomura, Satoshi Ikemura, Kazuhiko Sonoda, Takuaki Yamamoto, Yasuharu Nakashima
BACKGROUND: Transtrochanteric anterior rotational osteotomy (ARO) for osteonecrosis of the femoral head (ONFH) can preserve for a long-time collapsed femoral head. Progressive collapse of anteriorly-transposed necrotic lesion leads to secondary arthritic changes and clinical failure. Critical factors influencing collapse of the transposed necrotic lesion after ARO remain largely unknown. Therefore we performed a retrospective study of ARO to determine: 1) if pre-operative collapse influences collapse of the transposed necrotic area, 2) if any other factor may influence collapse of the transposed necrotic area...
December 22, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28012048/segmental-acetabular-rim-defects-bone-loss-oversizing-and-press-fit-cup-in-total-hip-arthroplasty-evaluated-with-a-probabilistic-finite-element-analysis
#19
Farid Amirouche, Giovanni F Solitro, Amit Walia, Mark Gonzalez, Aimee Bobko
PURPOSE: Management of segmental rim defects and bone mineral density (BMD) loss in the elderly prior to total hip replacement is unclear within classification systems for acetabular bone loss. In this study, our objectives were (1) to understand how a reduction in BMD in the elderly affects the oversizing of a press-fit cup for primary fixation and (2) to evaluate whether the location of the segmental defect affected cup fixation. METHODS: A finite element (FE) model was used to simulate and evaluate cup insertion and fixation in the context of segmental rim defects...
December 23, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/28006992/increasing-hip-and-knee-flexion-during-a-drop-jump-task-reduces-tibiofemoral-shear-and-compressive-forces-implications-for-acl-injury-prevention-training
#20
Liang-Ching Tsai, Yi-An Ko, Kyle E Hammond, John W Xerogeanes, Gordon L Warren, Christopher M Powers
Although most ACL injury prevention programmes encourage greater hip and knee flexion during landing, it remains unknown how this technique influences tibiofemoral joint forces. We examined whether a landing strategy utilising greater hip and knee flexion decreases tibiofemoral anterior shear and compression. Twelve healthy women (25.9 ± 3.5 years) performed a drop-jump task before and after a training session (10-15 min) that emphasised greater hip and knee flexion. Peak tibiofemoral anterior shear and compressive forces were calculated using an electromyography (EMG)-driven knee model that incorporated joint kinematics, EMG and participant-specific muscle volumes and patella tendon orientation measured using magnetic resonance imaging (MRI)...
December 23, 2016: Journal of Sports Sciences
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