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Anterior hip arthroplasty

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https://www.readbyqxmd.com/read/28741411/intraoperative-evaluation-of-the-effects-of-femoral-component-offset-and-head-size-on-joint-stability-in-total-hip-arthroplasty
#1
Tetsuya Jinno, Daisuke Koga, Yoshinori Asou, Sadao Morita, Atsushi Okawa, Takeshi Muneta
PURPOSE: To evaluate intraoperatively the effects of femoral offset and head size on stability of the hip joints in total hip arthroplasty (THA) via posterior approach. METHODS: Thirty cementless THAs were included in this study. After acetabular shell and femoral broach fixation, trial reduction was repeated using a femoral neck (5- to 8-mm higher or standard offset) and a head (26 mm or 32 mm). To evaluate joint stability, range of internal rotation (IR) in hip flexion prior to posterior subluxation and range of external rotation (ER) in hip extension were measured...
January 1, 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28731487/intraoperative-fluoroscopy-with-a-direct-anterior-approach-reduces-variation-in-acetabular-cup-abduction-angle
#2
Gens P Goodman, Nitin Goyal, Nancy L Parks, Robert H Hopper, William G Hamilton
INTRODUCTION: The purpose of this study was to compare acetabular cup position for 2 cohorts of total hip arthroplasty (THA) patients who had a direct anterior approach. METHODS: 100 THA cases were performed with an anterior approach using intraoperative fluoroscopy (IF) to aid in cup positioning. Another group of 100 cases underwent THA with an anterior approach without the use of any fluoroscopy. Postoperative abduction and anteversion angles were measured using Martell's hip analysis software...
July 19, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28730395/dynamic-hip-screw-and-fibular-strut-graft-for-fixation-of-fresh-femoral-neck-fracture-with-posterior-comminution
#3
Adham Elgeidi, Abed El Negery, M Serry Abdellatif, Nabil El Moghazy
INTRODUCTION: Posterior comminution of the femoral neck fracture is a major cause of delayed and non-union owing to the loss of the buttressing effect against the posterior rotation. When a femoral neck fracture with posterior comminution is anatomically reduced, only the anterior portions of the femoral neck fracture surfaces are brought into contact leaving a posterior defect. The purpose of this study was to evaluate the use of fibular strut grafting and dynamic hip screw (DHS) for fresh femoral neck fractures with posterior comminution in young patient less than 50 years...
July 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28704684/root-mean-square-of-lower-trunk-acceleration-during-walking-in-patients-with-unilateral-total-hip-replacement
#4
Osamu Wada, Tsuyoshi Asai, Yoshinori Hiyama, Shingo Nitta, Kiyonori Mizuno
Although several studies have described abnormal trunk motion before and after total hip arthroplasty (THA) surgery, few studies have examined trunk motion using accelerometry. The aim of this study was to determine whether abnormal trunk motion persisted after THA using accelerometry. A total of 24 female patients (61.0±6.9years) and 20 healthy female subjects (59.9±6.8years) participated in this study. Patients were assessed at 1 month prior to surgery and 12 months after surgery. Trunk acceleration during gait was measured using a triaxial accelerometer attached to the L3 spinous process...
July 8, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28702750/function-and-activity-after-minimally-invasive-total-hip-arthroplasty-compared-to-a-healthy-population
#5
Eberhard von Rottkay, Lars Rackwitz, Maximilian Rudert, Ulrich Nöth, Johannes Christian Reichert
PURPOSE: The aim of the present study was to compare the daily activity and functionality in a patient cohort 12 months after total hip arthroplasty (THA) using a direct anterior approach with a healthy non-operated control population. METHODS: Sixty-four patients who underwent THA and 59 healthy individuals (control) were assessed regarding their daily activity and joint functionality utilizing the Harris hip score (HHS), the extra short musculoskeletal functional assessment questionnaire (XSFMA), the Short Form 36 (SF-36) health survey and a Stepwatch™ Activity Monitor (SAM)...
July 12, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28697862/acetabular-and-femoral-anteversions-in-standing-position-are-outside-the-proposed-safe-zone-after-total-hip-arthroplasty
#6
Jean Y Lazennec, Frederic Thauron, Christopher B Robbins, Aidin E Pour
BACKGROUND: Although most hip dislocations occur in either standing or sitting position, the safe zone for implant position is defined for the supine position. Our goal was to determine preoperative and postoperative pelvis and hip orientations and whether the safe zone defined in supine position can be used to assess standing radiographs. METHODS: Preoperative and postoperative three-dimensional EOS images were assessed in 66 total hip arthroplasty patients. None of the patients had dislocation within the follow-up period (12-36 months)...
June 20, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28662957/comparison-of-early-functional-recovery-after-total-hip-arthroplasty-using-a-direct-anterior-or-posterolateral-approach-a-randomized-controlled-trial
#7
Hai-Yan Zhao, Peng-De Kang, Ya-Yi Xia, Xiao-Jun Shi, Yong Nie, Fu-Xing Pei
BACKGROUND: Controversy exists as to whether early functional outcomes differ after total hip arthroplasty performed using the direct anterior approach (DAA) or the posterolateral approach (PLA). METHODS: One hundred twenty patients were enrolled in this study and were divided into 2 groups based on surgical approach. Group A included patients who had a total hip arthroplasty with a DAA, whereas group B included those with a PLA. Patients were randomized into the DAA or PLA groups (n = 60), and perioperative and postoperative outcomes were recorded...
June 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28662423/biomechanical-research-on-contour-cage-with-transacetabular-screws-fixation-in-revision-total-hip-arthroplasty
#8
Haobo Wu, Chiyuan Ma, Jisheng Ran, Danfeng Xu, An Liu, Miao Sun, Lidong Wu, Shigui Yan
BACKGROUND: Use biomechanical technique to access the strain distribution and stability of Contour anti-protrusion cage with or without the whole circumference acetabular cup fixation by the transacetabular screws. METHODS: Pelvic specimens from 10 male cadavers were used for the biomechanical test. The models of type C bone defect were copied according to the AAOS classification. Group 1: the contour reconstruction ring was fixed only by flange screws; Group 2: the contour reconstruction ring was fixed both by flange screws and transacetabular screws in dome...
June 21, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28658149/a-rare-case-report-enlarged-iliopsoas-cystic-solid-mass-associated-with-femoral-head-necrosis-induced-by-heavy-alcohol-consumption
#9
Chen Li, He Liu, Chenyu Wang, Qing Han, Zhonghan Wang, Yanguo Qin, Jincheng Wang, Tao Yu
RATIONALE: This article presents an unusual case of a large iliopsoas cystic solid mass associated with femoral head necrosis in a patient with heavy alcohol consumption for years. PATIENT CONCERNS: The patient reported pain and limitation of movement at the right hip for 4 months. A soft tissue mass can be palpated deep in the groin several days after the onset of pain. DIAGNOSES: The laboratory assessments indicated an inflammatory response of the patient...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28645850/biomechanical-analysis-using-fea-and-experiments-of-a-standard-plate-method-versus-three-cable-methods-for-fixing-acetabular-fractures-with-simultaneous-tha
#10
Mina S R Aziz, Omar Dessouki, Saeid Samiezadeh, Habiba Bougherara, Emil H Schemitsch, Radovan Zdero
Acetabular fractures potentially account for up to half of all pelvic fractures, while pelvic fractures potentially account for over one-tenth of all human bone fractures. This is the first biomechanical study to assess acetabular fracture fixation using plates versus cables in the presence of a total hip arthroplasty, as done for the elderly. In Phase 1, finite element (FE) models compared a standard plate method versus 3 cable methods for repairing an acetabular fracture (type: anterior column plus posterior hemi-transverse) subjected to a physiological-type compressive load of 2207N representing 3 x body weight for a 75kg person during walking...
August 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28641967/fluoroscopically-guided-acetabular-component-positioning-does-it-reduce-the-risk-of-malpositioning-in-obese-patients
#11
Raul G Gosthe, Juan C Suarez, Colin A McNamara, Cecilia Calvo, Preetesh D Patel
BACKGROUND: Obesity has been described as an independent risk factor for acetabular component malpositioning. The purpose of this study was to determine if this could be overcome by use of fluoroscopic navigation in total hip arthroplasty (THA). METHODS: The first, postoperative, standing, anteroposterior pelvis radiographs from 1599 consecutive patients who underwent fluoroscopic-guided THAs via anterior approach during a six-year period were obtained. We retrospectively reviewed this prospectively collected data...
May 5, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28634097/acetabular-reconstruction-with-the-medial-protrusio-technique-for-complex-primary-and-revision-total-hip-arthroplasties
#12
Scott M Eskildsen, Zenus J Wilson, David C McNabb, Christopher W Olcott, Daniel J Del Gaizo
BACKGROUND: In the setting of acetabular deficiency during total hip arthroplasty (THA), the medial protrusio technique (MPT) allows for increased component coverage while avoiding excessive component abduction or elevation of the hip center. The technique involves controlled reaming through the medial acetabular wall while maintaining the continuity of the anterior and posterior columns. The purpose of this study is to analyze the results of the largest reported series to date of primary and revision THAs using the MPT...
May 26, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28629944/what-are-the-risk-factors-for-dislocation-in-primary-total-hip-arthroplasty-a-multicenter-case-control-study-of-128-unstable-and-438-stable-hips
#13
M H Fessy, S Putman, A Viste, R Isida, N Ramdane, A Ferreira, A Leglise, B Rubens-Duval, N Bonin, F Bonnomet, A Combes, S Boisgard, D Mainard, S Leclercq, H Migaud
INTRODUCTION: Dislocation after total hip arthroplasty (THA) is a leading reason for surgical revision. The risk factors for dislocation are controversial, particularly those related to the patient and to the surgical procedure itself. The differences in opinion on the impact of these factors stem from the fact they are often evaluated using retrospective studies or in limited patient populations. This led us to carry out a prospective case-control study on a large population to determine: 1) the risk factors for dislocation after THA, 2) the features of these dislocations, and 3) the contribution of patient-related factors and surgery-related factors...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28629942/can-a-target-zone-safer-than-lewinnek-s-safe-zone-be-defined-to-prevent-instability-of-total-hip-arthroplasties-case-control-study-of-56-dislocated-tha-and-93-matched-controls
#14
N Reina, S Putman, R Desmarchelier, E Sari Ali, P Chiron, M Ollivier, J Y Jenny, D Waast, C Mabit, E de Thomasson, C Schwartz, P Oger, L E Gayet, H Migaud, N Ramdane, M H Fessy
BACKGROUND: Various factors contribute to instability of total hip arthroplasty (THA), with implant orientation being a major contributor. We performed a case-control study with computed tomography (CT) data to determine whether: 1) orientation contributes to THA instability and 2) a safer target zone for stability than Lewinnek's classic safe zone can be defined. MATERIAL AND METHODS: We included prospectively 363 cases of THA dislocation that occurred during the calendar 2013 year in 24 participating hospitals...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28628534/daily-physical-activity-in-total-hip-arthroplasty-patients-undergoing-different-surgical-approaches-a-cohort-study
#15
Monika Engdal, Olav A Foss, Kristin Taraldsen, Vigdis S Husby, Siri B Winther
OBJECTIVE: Muscle weakness due to trauma from the surgical approach is anticipated to affect the ability of the patient to undertake daily physical activity early after total hip arthroplasty (THA). The objective of this study was to compare daily physical activity on days 1 to 4 after discharge, in patients following THA performed by 1 of 3 surgical approaches. DESIGN: A cohort study included 60 hip osteoarthritis patients, scheduled for THA, allocated to direct lateral approach, posterior approach, or anterior approach...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28574117/combined-anteversion-technique-in-total-hip-arthroplasty-for-crowe-iv-developmental-dysplasia-of-the-hip
#16
Biao Zhu, Changzheng Su, Yeteng He, Xingyu Chai, Zhen Li, Zhenyang Hou, Tengteng Lou, Xinfeng Yan
BACKGROUND: A high rate of postoperative dislocation in total hip arthroplasty (THA) for Crowe IV developmental dysplasia of the hip (DDH) has been reported, 1 of the main reasons being higher true acetabular anteversion. If the cup is fixed with normal anteversion, the anterior rim will be excessively exposed, which reduces the contact areas of the cup and bone, affects prosthesis stability, and leads to iliopsoas tendinitis and persistent hip pain after THA. The aim of this study was to demonstrate that when cup anteversion is larger, adjusting femoral anteversion to bring the combined anteversion (CA) into the "safe zone" might prevent dislocation...
May 27, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28567577/does-the-surgical-approach-influence-the-implant-alignment-in-total-hip-arthroplasty-comparative-study-between-the-direct-anterior-and-the-anterolateral-approaches-in-the-supine-position
#17
Yuya Kawarai, Satoshi Iida, Junichi Nakamura, Yoshiyuki Shinada, Chiho Suzuki, Seiji Ohtori
PURPOSE: The purpose of this study was to clarify the difference in implant alignment between the direct anterior approach (DAA) and the anterolateral approach in the supine position (ALS). METHODS: A retrospective comparative study consisted of 215 consecutive primary total hip arthroplasties using tapered polished and straight cemented-stems via two different minimally invasive approaches (DAA group in 106 hips and ALS group in 109 hips). RESULTS: The cup radiographic anteversion angle was significantly lower in the ALS group than in the DAA group (12...
May 31, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28566391/the-direct-anterior-approach-in-total-hip-arthroplasty-a-systematic-review-of-the-literature
#18
G Meermans, S Konan, R Das, A Volpin, F S Haddad
AIMS: The most effective surgical approach for total hip arthroplasty (THA) remains controversial. The direct anterior approach may be associated with a reduced risk of dislocation, faster recovery, reduced pain and fewer surgical complications. This systematic review aims to evaluate the current evidence for the use of this approach in THA. MATERIALS AND METHODS: Following the Cochrane collaboration, an extensive literature search of PubMed, Medline, Embase and OvidSP was conducted...
June 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28529111/the-results-of-total-hip-arthroplasty-after-sugioka-transtrochanteric-anterior-rotational-osteotomy-for-osteonecrosis
#19
Takeshi Utsunomiya, Goro Motomura, Satoshi Ikemura, Satoshi Hamai, Jun-Ichi Fukushi, Yasuharu Nakashima
BACKGROUND: Since Sugioka transtrochanteric anterior rotational osteotomy (ARO) for osteonecrosis of the femoral head (ONFH) changes the morphology of the proximal femur, total hip arthroplasty (THA) after previous ARO is considered a technically demanding procedure. The purpose of this study was to compare the clinicoradiologic outcomes of THA after ARO with those of THA without any antecedent surgery for ONFH. METHODS: Twenty-four hips in 20 patients who underwent cementless THA after ARO (postosteotomy group) were retrospectively reviewed and compared with patients who underwent cementless THA without any antecedent surgery for ONFH during the same period (primary group)...
April 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28511947/intraoperative-femur-fracture-risk-during-primary-direct-anterior-approach-cementless-total-hip-arthroplasty-with-and-without-a-fracture-table
#20
Eric M Cohen, Joshua J Vaughn, Scott A Ritterman, Daniel L Eisenson, Lee E Rubin
BACKGROUND: There is no study to date comparing intraoperative femur fractures (IFFs) in the direct anterior approach (DAA) with and without a fracture table. We hypothesize that there is no significant difference in the IFF with and without a fracture table when performed by experienced DAA hip surgeons. METHODS: This study is a 1-year retrospective review of patients who underwent DAA total hip arthroplasty by 2 surgeons: one surgeon uses a flat table and manually elevates the femur with a large bone hook, while the other surgeon uses a fracture table and a mechanical femoral elevator...
April 21, 2017: Journal of Arthroplasty
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