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Bipolar hip arthroplasty

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https://www.readbyqxmd.com/read/28582456/detailed-spatial-characterization-of-superficial-hip-muscle-activation-during-walking-a-multi-electrode-surface-emg-investigation-of-the-gluteal-region-in-healthy-older-adults
#1
Christoph Anders, Steffen Patenge, Klaus Sander, Frank Layher, Uta Biedermann, Raimund W Kinne
PURPOSE: A multi-electrode array was used to generate spatially resolved Surface electromyography (SEMG) data of the hip muscles in healthy older adults. The cohort was meant to serve as an age-matched, normal control population for future surgical and rehabilitative studies in patients undergoing total hip arthroplasty, in view of the large, continuously increasing number of hip joint replacements. METHODS: Bilateral hip muscle SEMG activity, including tensor fasciae latae (TFL), gluteus medius (Gmed), and gluteus maximus (Gmax), was measured during locomotion on a walkway at self-selected slow, normal, and fast walking speeds (age-matched cohort of 29 females and 25 males)...
2017: PloS One
https://www.readbyqxmd.com/read/28443189/intraoperative-dislocation-of-the-trial-bipolar-cup-into-the-pelvis-during-bipolar-hip-arthroplasty-a-case-report
#2
Takahito Miyake, Akio Kanda, Itaru Morohashi, Osamu Obayashi, Atsuhiko Mogami, Kazuo Kaneko
INTRODUCTION: Bipolar hip arthroplasty is a good option for treating femoral neck fractures, although some contraindications have been indicated. We report a case of intraoperative dislocation of the trial bipolar cup into the pelvis during bipolar hip arthroplasty. CASE PRESENTATION: A 74-year-old woman underwent bipolar hip arthroplasty for a femoral neck fracture (AO31-B2). She was placed in a lateral decubitus position, and a direct lateral approach was used...
June 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28365072/does-femoral-offset-recover-and-affect-the-functional-outcome-of-patients-with-displaced-femoral-neck-fracture-following-hemiarthroplasty
#3
Hyung-Min Ji, Seok-Hyung Won, Jun Han, Ye-Yeon Won
BACKGROUND: Restoring preoperative horizontal femoral offset (FO) promised good functional outcome in patients receiving total hip arthroplasty. However, relatively little was known regarding the clinical relevance of restoring the offset in patients with bipolar hemiarthroplasty to treat displaced femoral neck fracture. Therefore, the objective of this study was to evaluate postoperative FO accurately and verify its relation with functional outcome. METHODS: One hundred elderly patients who received bipolar hemiarthroplasty to treat displaced femoral neck fracture were identified...
June 2017: Injury
https://www.readbyqxmd.com/read/28150224/isolated-acetabular-revision-with-femoral-stem-retention-after-bipolar-hip-arthroplasty
#4
Nobuhiro Kaku, Tomonori Tabata, Hiroaki Tagomori, Hiroshi Tsumura
INTRODUCTION: In bipolar hemiarthroplasty, migration of the outer cup component into the acetabular cup, with evidence of severe osteolysis in the acetabulum, commonly occurs without loosening of the femoral component. The merits of retaining the stable femoral component in these cases have been debated. Our study aimed to determine whether revision of the acetabular component in isolation could be successfully performed. MATERIALS AND METHODS: The data of 54 patients (61 hips), 44 women, and 10 men, aged 67...
March 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28116264/failure-of-polyethelene-insert-locking-mechanism-after-a-posterior-stabilised-total-knee-arthroplasty-a-case-report
#5
Gurava Reddy Ay, Soundar Rajan D, Chiranjeevi T, Karthik C, Krishna Kiran E
INTRODUCTION: Disengagement of polyethylene insert used in total knee arthroplasty is a rare but serious complication. Still rarer is disengagement because of failure of tibial insert locking mechanism. We report a previously unpublished complication of polyethylene insert locking mechanism failure in a 10-months-old posterior stabilized total knee arthroplasty in a 70-year-old woman with osteoarthritis for whom Attune (Depuy) knee implant was used. CASE PRESENTATION: A 70-year-old female underwent (Attune, Depuy) primary bilateral posterior stabilised total knee arthroplasty in a private hospital...
July 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28116262/acetabular-prosthetic-protrusio-after-bipolar-hemi-arthroplasty-of-the-hip-case-report-and-review-of-the-literature
#6
Jason Bt Lim, Chia Liang Ang, Hee Nee Pang
INTRODUCTION: Bipolar hemi-arthroplasty of the hip is a commonly performed procedure in elderly patients with intra-capsular fracture of the neck of the femur with good short-term results for pain relief, return to activity and morbidity. The incidence of intra-pelvic prosthesis migration or protrusion is rare and one of the inciting factors is chronic low-grade sepsis. Acetabular prosthesis protrusion poses a difficult and challenging surgical problem due to surrounding neurovascular structures...
July 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28072698/efficacy-of-kirschner-wires-and-tension-band-in-hip-arthroplasty-for-aged-patients-with-unstable-intertrochanteric-osteoporotic-fracture-a-2-to-11-year-follow-up
#7
Hua Zhang, Zhongwei Xu, Aiguo Zhou, Wenlong Yan, Pei Zhao, Xiao Huang, Jian Zhang
The aim of this study was to evaluate the efficacy of supplementary fixation in hip arthroplasty with the use of Kirschner-wires and tension band for geriatric patients suffering unstable intertrochanteric osteoporotic fractures. A total of 103 patients aged more than 75 years were recruited. A bipolar or total hip replacement was performed with additional application of Kirschner-wires and tension band, and the participants were followed up for 2 to 11 years. Physical component summary (PCS), mental component summary (MCS), visual analog scale (VAS), and Harris hip score were utilized to evaluate patients' hip pain and function, as well as the mental condition postoperatively after 1...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28003639/simultaneous-periprosthetic-fractures-of-the-femur-and-the-acetabulum-after-bipolar-hip-arthroplasty
#8
Dionysios-Alexandros Verettas, Pelagia-Paraskevi Chloropoulou, Georgios Drosos, Theodosia Vogiatzaki, Konstantinos Tilkeridis, Konstantinos Kazakos
BACKGROUND Although periprosthetic fractures of the femur are a recognized complication of total hip arthroplasty, periprosthetic fractures of the acetabulum are rare. Simultaneous periprosthetic fractures of both the acetabulum and the femur have not been reported, to our knowledge. CASE REPORT We report a simultaneous fracture of the acetabulum and the femur in a 68-year-old female patient who had previously sustained a subcapital fracture of the femur, treated with a bipolar uncemented prosthesis. We discuss the possible mechanism of this combination of fractures...
December 22, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27847676/retentive-cup-arthroplasty-in-selected-hip-fracture-patients-a-prospective-series-with-a-minimum-3-year-follow-up
#9
Mustafa Yassin, Avraham Garti, Muhammad Khatib, Moshe Weisbrot, Dror Robinson
OBJECTIVE: To evaluate the efficacy of the use of retentive cup primary total hip replacement (THR) in high-dislocation risk subcapital fracture patients. METHODS: During the years 2008 to 2012, 354 patients with displaced subcapital fracture were operated at our institute. The patients were selected to undergo primary constrained THR according to the following criteria: (1) a preinjury grade 4 or more on the Functional Independence Measure mobility item "5. Locomotion: walking/wheelchair" and grade 4 is defined as "4...
December 2016: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/27818190/interprosthetic-femoral-fractures-treatment-with-a-lateral-angular-stable-plate
#10
J Albareda, J Gómez, L Ezquerra, N Blanco
OBJECTIVE: To study the causes and outcomes of patients with interprosthetic femoral fractures. MATERIAL AND METHODS: A retrospective review conducted on 7 patients treated between 2010 and 2013. The knee arthroplasties had been implanted for at least 5 years, and those of the hip less than a year. They were bipolar cemented in 6 patients and totally non-cemented in one patient, all of them implanted due to a displaced femoral neck fracture. They were treated using osteosynthesis with angular stability plate covering the whole interprosthetic femoral segment...
January 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/27692108/surgical-delay-as-a-risk-factor-for-wound-infection-after-a-hip-fracture
#11
José Cordero, Alfonso Maldonado, Sergio Iborra
PURPOSE: Analysis of significant risk factors for mortality and for medical and orthopaedic complications. PATIENTS AND METHODS: Observational study of a prospective consecutive cohort of 697 patients diagnosed of hip fracture from December 2012 to December 2014. Average age was 85±9years and 520 were female (75%). Intracapsular fractures (308, 44%) were treated non-operatively, (19 patients), with cannulated screws (58) or with hip arthroplasty (228 bipolar, 3 total hip atrhoplasty)...
September 2016: Injury
https://www.readbyqxmd.com/read/27684871/efficacy-of-ultrasound-guided-fascia-iliaca-compartment-block-after-hip-hemiarthroplasty-a-prospective-randomized-trial
#12
RANDOMIZED CONTROLLED TRIAL
Seunguk Bang, Jihyun Chung, Jaejung Jeong, Hahyeon Bak, Dongju Kim
BACKGROUND: The fascia iliaca compartment block (FICB) provides an analgesic effect in patients with femur fractures. However, the postoperative pain after hip surgery is different from that after femur fracture, because of the difference in the degree and location of tissue trauma. Whether FICB provides effective postoperative analgesia in patients undergoing total hip arthroplasty is not well understood. Moreover, there is no prospective randomized study to evaluate FICB as a postoperative analgesia in hemiarthroplasty...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27659394/efficacy-of-hybrid-plasma-scalpel-in-reducing-blood-loss-and-transfusions-in-direct-anterior-total-hip-arthroplasty
#13
George N Guild, Robert P Runner, Gina M Castilleja, Melissa J Smith, CatPhuong L Vu
BACKGROUND: Allogeneic blood transfusions have inherent risk and direct cost in total hip arthroplasty. Anterior total hip arthroplasty has grown in popularity with increased utilization. This approach may offer an enhanced recovery but has been associated with increased blood loss. Several technologies have been developed including the Canady Hybrid Plasma Scalpel (CHPS) and Aquamantys Bipolar Sealer (BS) to decrease blood loss. METHODS: Two hundred forty-four consecutive patients undergoing anterior supine intermuscular total hip arthroplasty were separated by intraoperative cautery device (CHPS vs BS)...
August 10, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27577065/what-are-the-risk-factors-for-dislocation-of-hip-bipolar-hemiarthroplasty-through-the-anterolateral-approach-a-nested-case-control-study
#14
Lianhua Li, Jixin Ren, Jia Liu, Hao Wang, Qinghua Sang, Zhi Liu, Tiansheng Sun
BACKGROUND: Hip dislocation after treatment of a femoral neck fracture with a hemiarthroplasty remains an important problem in the treatment of hip fractures, but the associations between patient factors and surgical factors, and how these factors contribute to dislocation in patients who have undergone bipolar hemiarthroplasty through an anterolateral approach for femoral neck fracture currently are only poorly characterized. QUESTIONS/PURPOSES: We evaluated patients with bipolar hemiarthroplasty dislocation after surgery for femoral neck fracture treated through an anterolateral approach and asked: (1) What are the frequency, characteristics, and risk factors of bipolar hemiarthroplasty dislocations? (2) What are the frequency, characteristics, and risk factors of bipolar hemiarthroplasty dissociations? METHODS: A review of hospital records for patients who underwent bipolar hip hemiarthroplasty for femoral neck fracture at one hospital between July 2004 and August 2014 was conducted...
December 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27574265/relationship-between-pull-out-strength-and-oscillation-angle-in-bipolar-cups-an-in-vitro-study
#15
N Kaku, T Tabata, H Tsumura
PURPOSE: To compare the past and present bipolar hip arthroplasty (BHA) models in terms of balance between pull-out strength and oscillation angle (OA). METHODS: The pull-out strength and OA of 8 BHA models were compared: UPF-II, IBC, and Tandem XLPE (Smith & Nephew); Ringloc x (Biomet); J-FX (DePuy); Bipolar (Nakashima Medical); Multipolar (Zimmer); and Centrax (Stryker). RESULTS: Respectively for the UPF-II, IBC, Tandem, Ringloc, J-FX, Nakashima Bipolar, Multipolar, and Centrax, the mean pull-out strength was 2219 N, 3303 N, 1503 N, 951 N, 1453 N, 1856 N, 1536 N, and 753 N, whereas the mean OA was 54...
August 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/27546471/ambulatory-ability-and-personal-independence-after-hemiarthroplasty-and-total-arthroplasty-for-intracapsular-hip-fracture-a-prospective-comparative-study
#16
Massimo Mariconda, Giovangiuseppe Costa, Mario Misasi, Pasquale Recano, Giovanni Balato, Maria Rizzo
BACKGROUND: Total hip arthroplasty (THA) has not only been associated with best functional outcomes but also with higher dislocation risk when compared with bipolar hemiarthroplasty (HA). The functionality and activities of daily living (ADL) of patients treated with THA or HA for intracapsular hip fracture (IHF) have been scarcely investigated in comparison with the preoperative status. METHODS: Two comparable groups of 60 patients with an IHF who had undergone either THA or bipolar HA were created matching several preoperative characteristics...
July 21, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27508079/higher-reliability-of-triple-phase-bone-scintigraphy-in-cementless-total-hip-arthroplasty-compared-to-cementless-bipolar-hemiarthroplasty
#17
Burak Yoldas, Deniz Cankaya, Kemal Andic, Enver Kilic, Olgun Bingol, Ali Tecirli, Ali Toprak, Yalçın Tabak
PURPOSE: Periprosthetic infection is one of the main reasons for revision surgery after hip arthroplasty. The purpose of the present study is to compare the reliability of triple-phase bone scintigraphy (TPBS) in the diagnosis of periprosthetic infection between cementless total hip arthroplasty (THA) and bipolar hemiarthroplasty (BHA). METHODS: In this retrospective study, 52 patients were analyzed; 33 of them were performed with THA and 19 of them were performed with BHA...
September 2016: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/27450193/a-protocol-avoiding-allogeneic-transfusion-in-joint-arthroplasties
#18
You-Sung Suh, Jae-Hwi Nho, Hyung-Suk Choi, Yong-Chan Ha, Jong-Seok Park, Kyung-Hoi Koo
INTRODUCTION: Arthroplasties of hip and knee are associated with blood loss, which may lead to adverse patient outcome. Performing arthroplasties in Jehovah's Witness patients who do not accept transfusion has been a matter of concern. We developed a protocol, which avoids transfusion in arthroplasties of Jehovah's Witness patients, and evaluated the feasibility and safety of the protocol. MATERIALS AND METHODS: The target of preoperative hemoglobin was more than 10 g/dL...
September 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27299067/an-unexpected-complication-of-residual-fibular-strut-graft-while-performing-a-press-fit-hemiarthroplasty-for-a-secondary-nonunion-fracture-neck-of-the-femur
#19
Najmul Huda, Julfiqar, Ajay Pant, M Aslam
INTRODUCTION: Perioperative complications are well known during partial and total hip arthroplasty. One of the common categories of these complications is an intraoperative fractures of the proximal femur. Here we discuss a case of perforation of posteromedial cortex of the proximal femur, while doing a press fit modular bipolar hemiarthroplasty, in a young adult with secondary nonunion of the femoral neck fracture. The cause of this proximal femur perforation was residual fibular strut graft that, redirected the femoral stem into undesirable direction...
July 2015: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27248335/acute-disassembly-and-dissociation-of-a-dual-mobility-next-generation-prosthesis
#20
Jason Samona, Brian Flanagan, Norman Walter
The use of bipolar components in hip surgery was introduced more than 40 years ago with the rationale of a dual-mobility hip implant. This design used a small femoral head that would decrease the rate of wear because of the smaller surface area but would still provide implant stability because of the larger outer shell that articulated with the acetabulum, decreasing dislocation rates. In April 2011, the E1 Active Articulation Hip System (Biomet, Warsaw, Indiana) was introduced to the orthopedic market. It is considered to be part of the next generation of bipolar designs, with similar designs available from competing companies, such as Stryker (Mahwah, New Jersey)...
September 1, 2016: Orthopedics
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