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https://www.readbyqxmd.com/read/27913129/preoperative-planning-and-operative-techniques-of-the-shorter-tapered-stem-compared-to-the-metaphyseal-fit-stem-in-cementless-total-hip-arthroplasty
#1
Hiroshi Imai, Joji Miyawaki, Tomomi Kamada, Akira Maruishi, Jun Takeba, Hiromasa Miura
BACKGROUND: In order to prevent postoperative dislocation due to prosthetic impingement as a result of total hip arthroplasty (THA), the combined anteversion (CA) theory, which combines the anteversion of the femoral stem and the acetabular socket, has been revised in recent years. Particularly, it is necessary to keep CA within the target zone. METHODS: The aim of this study was to investigate whether postoperative CA can be kept within the target zone while using the operative technique which prepares the socket first in cementless THA, by estimating the anteversion of the metaphyseal fit stem or the shorter, tapered wedge stem using preoperative 3-dimensional computerized planning, and by adjusting the anteversion of the socket using a navigation system that considers CA...
November 10, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27909669/reconstruction-of-massive-posterior-nonrepairable-acetabular-labral-tears-with-peroneus-brevis-tendon-allograft-arthroscopy-assisted-mini-open-approach
#2
Esther Moya, Luis Gerardo Natera, Carlomagno Cardenas, Emanuele Astarita, Vittorio Bellotti, Manel Ribas
Many of the described labral-reconstruction procedures are purely arthroscopic. This approach only allows segmentary reconstructions. For more extensive reconstructions, surgical dislocation of the hip still represents the more suitable approach. We present an arthroscopy-assisted procedure combined with an anterior mini-open approach, which could be considered for reconstruction of nonrepairable labral lesions located in the posterior aspect of the acetabulum and massive reconstructions in cases of global-pincer femoroacetabular impingement and protrusio acetabuli...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909666/arthroscopic-reduction-and-internal-fixation-for-pipkin-type-i-femoral-head-fracture-technical-note
#3
Aditya Kekatpure, Taesoo Ahn, Soong Joon Lee, Mi Youn Jeong, Jae Suk Chang, Pil Whan Yoon
Femoral head fractures after posterior dislocation of the hip are uncommon and are conventionally treated by an open method. Hip arthroscopy can be a valuable treatment option for the management of femoral head fractures. Arthroscopy allows for a less invasive option when compared with arthrotomy and can allow faster recovery with minimal soft-tissue injury. We describe the arthroscopic reduction and internal fixation of Pipkin type I femoral head fractures with a detailed stepwise description of the surgical technique, including technical pearls and pitfalls, potential complications, and advantages and disadvantages...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909663/the-quebec-city-slider-a-technique-for-capsular-closure-and-plication-in-hip-arthroscopy
#4
Travis J Menge, Jorge Chahla, Eduardo Soares, Justin J Mitchell, Marc J Philippon
Biomechanical and clinical studies have shown that the hip joint capsule plays an important role in maintaining stability and hip mechanics, including rotation and translation. The recent literature has shown that capsule closure after hip arthroscopy helps to restore stability. Without restoration of the native anatomy, the hip joint may translate when patients engage in activities that place force across the hip, leading to either microinstability or frank dislocation. The purpose of this note is to describe our preferred technique of capsular closure or plication during hip arthroscopy...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909121/the-rate-of-wear-of-second-generation-highly-crosslinked-polyethylene-liners-five-years-post-operatively-does-not-increase-if-large-femoral-heads-are-used
#5
S A Callary, J R Field, D G Campbell
AIMS: The increased in vivo resistance to wear of highly crosslinked polyethylene (HXLPE) in total hip arthroplasty (THA) has led to an increased use of larger articulations which have been shown to reduce the incidence of early dislocation. To date, there are few reports of the wear of larger articulations using second generation HXLPE liners. Our prospective cohort study measured the bedding-in and early wear of large (36 mm and 40 mm diameter) articulations involving a second generation X3 HXLPE liner and compared our findings with previous clinical and in vitro studies of the same material...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27902171/treatment-of-mixed-type-femoroacetabular-impingement-using-safe-surgical-hip-dislocation-in-adults
#6
Ulukan İnan, Selim Harmanşa, Hakan Ömeroğlu
OBJECTIVES: This study aims to assess the experience gained in a single institution in the treatment of mixed type femoroacetabular impingement (FAI) using safe surgical hip dislocation (SSHD) technique. PATIENTS AND METHODS: In this study, 22 hips of 21 patients (7 males, 14 females; mean age 33.8±10.6 years; range 19-52 years) treated by SSHD technique in our clinic between October 2009 and October 2014 were retrospectively evaluated. Preoperative and final Harris hip scores (HHS) and alpha angles were compared...
December 2016: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/27900509/conversion-of-hip-fusion-to-total-hip-arthroplasty-clinical-radiological-outcomes-and-complications-in-40-hips
#7
Mustafa Celiktas, Ozkan Kose, Adil Turan, Ferhat Guler, Cagri Ors, Emre Togrul
OBJECTIVE: The purpose of this retrospective study is to report the clinical and radiological outcome of total hip arthroplasty in patients with previous hip arthrodesis. PATIENTS AND METHODS: We retrospectively reviewed 28 (40 hips) prospectively followed patients in whom ankylosed hips were converted to total hip arthroplasty (THA) between 2010 and 2014 in our institution. The average age at the time of the conversion operation was 40.8 ± 9.8 years (range 24-62)...
November 29, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27900306/a-new-anterolateral-surgical-approach-for-total-hip-replacement
#8
Giovanni F Grano, Maria Pavlidou, Alberto Todesco, Augusto Palermo, Luigi Molfetta
PURPOSE: the purpose of the present paper is to present the short-term results of a "detachment-free" (DF) anterolateral approach for primary total hip replacement (THR) performed in a large series of patients. METHODS: two hundred patients submitted to primary THR were retrospectively reviewed for the present study. In all cases, the surgery was performed using a minimally invasive DF anterolateral approach, which entails no disconnection of tendons and no muscle damage...
July 2016: Joints
https://www.readbyqxmd.com/read/27892801/stability-and-migration-across-femoral-varus-derotation-osteotomies-in-children-with-neuromuscular-disorders
#9
Peter Buxbom, Stig Sonne-Holm, Niels Ellitsgaard, Christian Wong
Background and purpose - Studies have indicated that one-third of children with cerebral palsy (CP) develop dislocation of the hip that needs surgical intervention. When hip dislocation occurs during childhood surgical treatment consists of tenotomies, femoral varus derotation osteotomy (VDRO), and acetabuloplasty. Relapse is observed in one-fifth of cases during adolescence. In this prospective cohort study, we performed a descriptive evaluation of translation and rotation across VDROs in children with neuromuscular disorders and syndromes by radiostereometric analysis (RSA)...
November 28, 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/27892748/are-porous-tantalum-cups-superior-to-conventional-reinforcement-rings
#10
Anders Brüggemann, Erik Fredlund, Hans Mallmin, Nils P Hailer
Background and purpose - Porous tantalum cups have been introduced as an alternative to various reinforcement rings in revision hip surgery. We hypothesized that porous tantalum cups would be superior to Müller acetabular roof reinforcement rings (MARRs) in revision hip surgery with re-revision for aseptic loosening as the primary outcome measure. Patients and methods - 207 hips operated with either a porous tantalum cup (TM cup, n = 111) or a MARR (n = 96) at index procedure were identified in our local arthroplasty register...
November 28, 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/27890891/mid-term-clinical-results-of-versys-hip-system-zimmer-uncemented-total-hip-replacement-arthroplasty
#11
Hidemi Kawaji, Takuya Uematsu, Naoya Hoshikawa, Hiroshi Watanabe, Shinro Takai
: Recent reports suggest that uncemented total hip replacement arthroplasty (THR) results in favorable short- to mid-term clinical results. In the present study, we assessed the mid-term clinical results of VerSys Hip System uncemented THR at our hospital. MATERIALS AND METHODS: We studied patients who received THR using VerSys Hip System and who could be followed-up more than 3 years. Clinical records were used to retrospectively identify patient characteristics, which included age, gender, disease requiring THR, preoperative and postoperative pain score of the Japan Orthopaedic Association scoring system, range of motion in flexion and abduction, operating time, intraoperative complication, and additional operation or revision surgery...
2016: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/27890581/total-hip-arthroplasty-using-a-cementless-dual-mobility-cup-provides-increased-stability-and-favorable-gait-parameters-at-five-years-follow-up
#12
A Acker, J-F Fischer, K Aminian, E Lécureux, B M Jolles
BACKGROUND: Rates of dislocation following primary total hip arthroplasty (THA) vary from 0.5 to 10%. Dual-mobility cups in THA demonstrate increased stability. Clinical outcomes following THA with dual-mobility cups have been reported, but gait has not been assessed. Therefore we performed a retrospective case control study to answer: (1) is gait better in patients following THA with a dual-mobility cup than in frail, elderly patients of the same age? (2) Are clinical outcomes better in patients following THA with a dual-mobility cup than in frail, elderly patients? (3) What is the dislocation rate following THA with a dual-mobility cup? HYPOTHESIS: We hypothesized that patients who underwent THA with a dual-mobility cup have a better gait compared to frail, elderly patients of the same age...
November 24, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27890310/same-day-total-hip-arthroplasty-performed-at-an-ambulatory-surgical-center-90-day-complication-rate-on-549-patients
#13
Gregg R Klein, Jason M Posner, Harlan B Levine, Mark A Hartzband
BACKGROUND: There is an increasing interest in outpatient total hip arthroplasty (THA), as there are perceived benefits to the patient, insurer, and overall healthcare system. However, the safety of outpatient total joint arthroplasty has not been studied. METHODS: Five hundred forty-nine patients who underwent mini-posterior THA at a freestanding independent ambulatory surgical center (ASC) were reviewed. All patients were discharged to home on the day of surgery...
October 20, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27889840/five-to-thirteen-year-results-of-a-cemented-dual-mobility-socket-to-treat-recurrent-dislocation
#14
Moussa Hamadouche, Mickael Ropars, Camille Rodaix, Thierry Musset, François Gaucher, David Biau, Jean Pierre Courpied, Denis Huten
PURPOSE: Dual mobility (DM) socket has been associated with a low rate of dislocation following both primary and revision total hip arthroplasty (THA). However, little is known about the long-term efficiency of DM in the treatment of THA instability. The purpose of this retrospective study was to evaluate the outcome of a cemented DM socket to treat recurrent dislocation after a minimum of five year follow-up. METHODS: The series included 51 patients with a mean age of 71...
November 26, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27889839/what-is-the-fate-of-the-neck-after-a-collum-femoris-preserving-prosthesis-a-nineteen-years-single-center-experience
#15
Matteo Formica, Luca Cavagnaro, Marco Basso, Andrea Zanirato, Augusto Palermo, Lamberto Felli
PURPOSE: The aim of our study is to evaluate long-term outcomes from a cohort of patients treated with collum femoris preserving (CFP) stem correlating neck resorption with comorbidities, clinical outcomes, and complications. METHODS: One hundred seventy-six patients (194 hips) were retrospectively reviewed with a minimum follow-up (f.u.) of ten years. Demographic and surgical data were collected. Clinical and radiological evaluation was performed at the last follow up...
November 26, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27888294/total-hip-arthroplasty-with-dual-mobility-cup-in-osteonecrosis-of-the-femoral-head-in-young-patients-over-ten-years-of-follow-up
#16
Pierre Martz, Alexandre Maczynski, Sebastien Elsair, Ludovic Labattut, Brice Viard, Emmanuel Baulot
Osteonecrosis of the femoral head affects mainly young patients with high functional needs this increases the risk of dislocation. Dual mobility cups known for low rate of dislocation and high mobility range seems indicated. We evaluate functional efficiency, survival and dislocation rate of dual mobility cup for total hip arthroplasty for osteonecrosis in young patients. Monocentric retrospective clinical study, from 2000 to 2008. With a clinical analysis in pre-operative and over ten years of follow-up of one cohort of patients under 55 years old with an indication of THA for ONFH...
November 25, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27886358/outcomes-of-total-hip-replacement-in-limbs-affected-by-poliomyelitis
#17
Cesare Faldini, Marcello De Fine, Alberto Di Martino, Daniele Fabbri, Raffaele Borghi, Mohammadreza Chehrassan, Francesco Traina
INTRODUCTION: The outcomes of total hip replacement in patients suffering from residual poliomyelitis are poorly covered in the literature. In this retrospective study we posed the question of whether total hip replacement performed for degenerative hip diseases in limbs with residual poliomyelitis could determine satisfactory mid-term clinical and radiographic results, with a reasonable complication rate. METHODS: A retrospective study was carried out to assess the results of 14 total hip replacements performed on 14 patients with residual poliomyelitis on the involved limb from June 1999 to September 2011...
November 15, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27886355/acetabular-spacers-in-2-stage-hip-revision-is-it-worth-it-a-single-centre-retrospective-study
#18
Giorgio Burastero, Marco Basso, Giuliana Carrega, Luca Cavagnaro, Francesco Chiarlone, Carlo Salomone, Gabriele Papa, Lamberto Felli
PURPOSE: The aim of this work is to evaluate an acetabular antibiotic loaded bone cement spacer in 2-stage revision surgery as a potential approach able to reduce complications during the inter-stage period (i.e. dislocation, acetabular wear), as well as simplify 2-stage hip revision surgery and improve hip biomechanics. METHODS: We performed a retrospective comparative study and evaluated clinical, radiological and surgical data of 71 patients affected by periprosthetic hip infection who were treated with 2-stage exchange...
November 25, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27879150/acetabular-cup-position-and-risk-of-dislocation-in-primary-total-hip-arthroplasty
#19
Kurt G Seagrave, Anders Troelsen, Henrik Malchau, Henrik Husted, Kirill Gromov
Background and purpose - Hip dislocation is one of the most common complications following total hip arthroplasty (THA). Several factors that affect dislocation have been identified, including acetabular cup positioning. Optimal values for cup inclination and anteversion are debatable. We performed a systematic review to describe the different methods for measuring cup placement, target zones for cup positioning, and the association between cup positioning and dislocation following primary THA. Methods - A systematic search of literature in the PubMed database was performed (January and February 2016) to identify articles that compared acetabular cup positioning and the risk of dislocation...
November 23, 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/27878334/equivalent-wear-performance-of-dual-mobility-bearing-compared-with-standard-bearing-in-total-hip-arthroplasty-in-vitro-study
#20
Gaël Gaudin, André Ferreira, Romain Gaillard, Jean Louis Prudhon, Jacques H Caton, Sébastien Lustig
PURPOSE: Osteolysis in total hip arthroplasty (THA) depends on polyethylene wear and dictates the survival of the prosthesis. Dual mobility in THAs, which is claimed to reduce dislocation risk, has very good long-term clinical results. However, little is known about how the liner wears in this design, compared to the standard single mobility model. METHODS: A comparative study looking at wear of a conventional ultra-high-molecular-weight polyethylene liner, using gravimetric measurement, between dual mobility implants and standard implants, was performed on a simulator in accordance with a normed protocol based on the same dimensions, environmental conditions and stresses...
November 22, 2016: International Orthopaedics
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