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Total hip arthroplasty

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https://www.readbyqxmd.com/read/29781291/predictive-accuracy-of-rsa-migration-thresholds-for-cemented-total-hip-arthroplasty-stem-designs
#1
Matthew G Teeter, Richard W McCalden, Xunhua Yuan, Steven J MacDonald, Douglas D Naudie
INTRODUCTION: Radiostereometric analysis (RSA) migration thresholds for cemented total hip stems have been established beyond which an unacceptably high risk of revision is likely to occur. These thresholds are subsidence >0.23 mm or >1.2 mm after 2 years. The purpose of this study was to retrospectively examine after long-term follow-up the predictive accuracy of the two thresholds. METHODS: Data from two previous prospective RSA trials with 2 year follow-up for which minimum 10 year survivorship data was available were used...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29781290/dual-mobility-bearings-for-patients-with-abductor-trochanteric-complex-%C3%A4-nsufficiency-dual-mobility-for-abductor-trochanteric-complex-%C3%A4-nsufficiency
#2
Vahit E Ozden, Goksel Dikmen, Burak Beksac, Remzi Tozun
INTRODUCTION: The purpose of this study was to summarise the performance of dual-mobility cup systems for revision total hip arthroplasty in patients with abductor-trochanteric complex deficiency. METHODS: We prospectively followed 17 patients (20 hips) with a mean age of 64.5 years (range 33-89 years) who underwent acetabular reconstruction with dual-mobility cups for aseptic loosening in 12 hips, infection treatment as second or single stage in 6 hips, and instability in 2 hips...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29781289/a-randomised-trial-comparing-spatio-temporal-gait-parameters-after-total-hip-arthroplasty-between-the-direct-anterior-and-direct-lateral-surgical-approaches
#3
Bryn O Zomar, Dianne Bryant, Susan Hunter, James L Howard, Edward M Vasarhelyi, Brent A Lanting
INTRODUCTION: Total hip arthroplasty (THA) is a successful procedure for relieving symptoms of severe osteoarthritis. Surgical approach is a key factor in early recovery and although controversial, little has been written about the direct anterior (DA) approach using objective early measures. METHODS: 78 participants were prospectively enrolled to undergo a THA through either a DA or direct lateral (DL) surgical approach. Outcome measures were collected preoperatively and at discharge from the hospital, and 2-, 6- and 12-weeks...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29781288/is-computerised-3d-templating-more-accurate-than-2d-templating-to-predict-size-of-components-in-primary-total-hip-arthroplasty
#4
Erik Schiffner, David Latz, Pascal Jungbluth, Jan P Grassmann, Stephan Tanner, Alfred Karbowski, Joachim Windolf, Johannes Schneppendahl
INTRODUCTION: The aim of this study was to compare the accuracy of preoperative templating in total hip arthroplasty (THA) using conventional 2-dimensional (2D) and computed tomography (CT)-based 3-dimensional (3D) measures. METHODS: One hundred and sixteen consecutive primary THAs were analysed. The preoperative diagnosis was primary osteoarthritis in all cases. The 2D templating and the 3D templating were performed by two different residents. All templating results were available for the orthopaedic surgeon performing the procedure...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29780620/day-case-surgery-for-total-hip-and-knee-replacement-how-safe-and-effective-is-it
#5
Stefan Lazic, Oliver Boughton, Catherine F Kellett, Deiary F Kader, Loïc Villet, Charles Rivière
Multimodal protocols for pain control, blood loss management and thromboprophylaxis have been shown to benefit patients by being more effective and as safe (fewer iatrogenic complications) as conventional protocols.Proper patient selection and education, multimodal protocols and a well-defined clinical pathway are all key for successful day-case arthroplasty.By potentially being more effective, cheaper than and as safe as inpatient arthroplasty, day-case arthroplasty might be beneficial for patients and healthcare systems...
April 2018: EFORT Open Reviews
https://www.readbyqxmd.com/read/29780248/incidence-of-symptomatic-venous-thromboembolism-in-2372-knee-and-hip-replacement-patients-after-discharge-data-from-a-thromboprophylaxis-registry-in-montreal-canada
#6
Andréa Senay, Milanne Trottier, Josée Delisle, Andreea Banica, Benoit Benoit, G Yves Laflamme, Michel Malo, Hai Nguyen, Pierre Ranger, Julio C Fernandes
Background: Low-molecular-weight heparin (LMWH) is a recommended anticoagulant for thromboprophylaxis after major orthopedic surgery. Dabigatran etexilate is an oral anticoagulant recognized as noninferior to LMWH. We aimed to assess the incidence of symptomatic venous thromboembolic events (VTEs) after discharge in patients who underwent joint replacement, using a hospital registry. Patients and methods: Patients who underwent total knee and hip arthroplasty between September 2011 and March 2015 were selected...
2018: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/29776983/robotic-assisted-compared-with-conventional-total-hip-arthroplasty-systematic-review-and-meta-analysis
#7
Xi Chen, Jianping Xiong, Peipei Wang, Shibai Zhu, Wenting Qi, Huiming Peng, Lingjia Yu, Wenwei Qian
BACKGROUND: Robotic-assisted total hip arthroplasty (THA) allows for accurate preoperative planning and component positioning, potentially enhancing implant survival and long-term outcomes. The relative efficacy and safety of robotic-assisted and conventional THA, however, are unclear. This systematic review and meta-analysis compared the safety and efficacy of robotic-assisted and conventional THA. METHODS: Medline, Embase and the Cochrane Library were comprehensively searched in September 2017 to identify studies comparing the safety and efficacy of robotic-assisted and conventional THA...
May 18, 2018: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/29776889/early-dislocation-in-primary-total-hip-arthroplasty-using-a-posterior-approach-with-repair-of-capsule-and-external-rotators
#8
A Hernández, J H Nuñez, I Mimendia, V Barro, L Azorin
OBJECTIVE: To determine the incidence of dislocation after primary total hip arthroplasty using a posterior approach with repair of capsule and transosseous external rotators. MATERIAL AND METHOD: Historical cohort study between January 2009 and December 2015 of all the cases of dislocation of primary total hip arthroplasty operated using a posterior approach with repair of capsule and transosseous external rotators. Demographic and clinical data concerning the patient, surgery and dislocation were collected and analyzed...
May 15, 2018: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29776852/indications-for-mars-mri-in-patients-treated-with-articular-surface-replacement-xl-total-hip-arthroplasty
#9
James W Connelly, Vincent P Galea, Inari Laaksonen, Sean J Matuszak, Rami Madanat, Orhun Muratoglu, Henrik Malchau
BACKGROUND: The purpose of this study was to identify which patient and clinical factors are predictive of adverse local tissue reaction (ALTR) and to use these factors to create a highly sensitive algorithm for indicating metal artifact reduction sequence magnetic resonance imaging (MARS-MRI) in Articular Surface Replacement (ASR) XL total hip arthroplasty patients. Our secondary aim was to compare our algorithm to existing national guidelines on when to take MARS-MRI in metal-on-metal total hip arthroplasty patients...
April 19, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29774956/cement-interface-and-bone-stress-in-total-hip-arthroplasty-relationship-to-head-size
#10
Teresa Alonso-Rasgado, Jose F Del-Valle-Mojica, David Jimenez-Cruz, Colin G Bailey, Tim N Board
The use of larger prosthetic femoral heads in total hip arthroplasty (THA) has increased considerably in recent years in response to the need to improve joint stability and reduce risk of dislocation. However, data suggests larger femoral heads are associated with higher joint failure rates. For cemented implants, ensuring the continued integrity of the cement mantle is key to long term fixation. This paper describes an investigation into the effect of variation in femoral head size on stresses in the acetabular cement mantle and pelvic bone...
May 18, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29774416/restoration-of-proximal-periprosthetic-bone-loss-by-denosumab-in-cementless-total-hip-arthroplasty
#11
Satoshi Nagoya, Kenji Tateda, Shunichiro Okazaki, Ima Kosukegawa, Junya Shimizu, Toshihiko Yamashita
Denosumab contributed to the restoration of proximal periprosthetic bone loss around the femoral stem that were measured using a DEXA, especially in zone 7, at 1 year after cementless THA in elderly osteoporotic patients. INTRODUCTION: Although bone quality is an important issue in elderly osteoporotic patients who underwent total hip arthroplasty (THA) with a cementless stem, periprosthetic bone mineral density (BMD) in the proximal femur has been reported to be decreased by 15-40% postoperatively...
May 17, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29774386/outcomes-are-equivalent-for-two-column-acetabular-fractures-either-with-or-without-posterior-wall-fractures
#12
Byung-Woo Min, Kyung-Jae Lee, Jae-Won Jung, Gyo-Wook Kim, Kwang-Soon Song, Ki-Cheor Bae, Si-Wook Lee
INTRODUCTION: It is likely that posterior-wall involvement in association with two-column fractures plays a pivotal role in outcomes because of the potential for hip instability if it is not anatomically reduced and fixed. Uncertainty remains about how this fracture is best treated, especially regarding how posterior-wall involvement may affect functional results. MATERIALS AND METHODS: To better understand the role that posterior-wall involvement may play in determining functional results, we compared data for outcomes for patients with posterior-wall involvement and for those without in a consecutive series of two-column fractures...
May 17, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29773451/total-hip-arthroplasty-for-posttraumatic-osteoarthritis-following-acetabular-fracture-a-systematic-review-of-characteristics-outcomes-and-complications
#13
Robert D Stibolt, Harshadkumar A Patel, Samuel R Huntley, Eva J Lehtonen, Ashish B Shah, Sameer M Naranje
PURPOSE: Posttraumatic arthritis (PTA) may develop years after acetabular fracture, hindering joint function and causing significant chronic musculoskeletal pain. Given the delayed onset of PTA, few studies have assessed outcomes of delayed total hip arthroplasty (THA) in acetabular fracture patients. This study systematically reviewed the literature for outcomes of THA in patients with PTA and prior acetabular fracture. METHODS: Pubmed, EMBASE, SCOPUS, and Cochrane library were searched for articles containing the keywords "acetabular", "fracture", "arthroplasty", and "post traumatic arthritis" published between 1995 and August 2017...
April 26, 2018: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29772991/reconstruction-plate-based-antibiotic-cement-spacers-clinical-outcomes-and-description-of-technique
#14
Aditya V Maheshwari, Robert Pivec, Roby Abraham, Qais Naziri
The standard of care for chronic deep peri-prosthetic hip infection is a two-stage exchange with placement of a temporary antibiotic cement spacer and treatment with intravenous antibiotics. Several commercially available cement spacer options exist. We report on a novel antibiotic spacer that may be an efficient, cost-effective alternative. Medical records of all patients treated for deep peri-prosthetic hip infection after total hip arthroplasty between 2004 and 2012 were reviewed. Each antibiotic spacer was constructed from a 12- to 16-hole recon plate bent to provide adequate soft tissue tension and a cement ball that matched the acetabulum...
2018: Journal of Long-term Effects of Medical Implants
https://www.readbyqxmd.com/read/29772949/lack-of-consensus-on-optimal-acetabular-cup-orientation-because-of-variation-in-assessment-methods-in-total-hip-arthroplasty-a-systematic-review
#15
Thom E Snijders, Koen Willemsen, Steven M van Gaalen, Rene M Castelein, Harrie Weinans, Arthur de Gast
INTRODUCTION: Dislocation is one of the main reasons for revision of total hip arthroplasty but dislocation rates have not changed in the past decades, compromising patients' well-being. Acetabular cup orientation plays a key role in implant stability and has been widely studied. This article investigates whether there is a consensus on optimal cup orientation, which is necessary when using a navigation system. METHODS: A systematic search of the literature in the PubMed, Embase and Cochrane databases was performed (March 2017) to identify articles that investigated the direct relationship between cup orientation and dislocation, including a thorough evaluation of postoperative cup orientation assessment methods...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29771399/trends-in-total-hip-arthroplasty-under-the-patient-protection-and-affordable-care-act-a-national-database-analysis-between-2008-and-2015
#16
Jennifer I Etcheson, Nicole E George, Chukwuweike U Gwam, James Nace, Alexander T Caughran, Melbin Thomas, Sana Virani, Ronald E Delanois
The Patient Protection and Affordable Care Act expanded health coverage for low-earning individuals and families. With more Americans having access to care, the use of elective procedures, such as total hip arthroplasty (THA), was expected to increase. Therefore, the aim of this study was to evaluate trends in THA before and after the initiation of the Patient Protection and Affordable Care Act regarding race, age, body mass index, and sex between 2008 and 2015. The National Surgical Quality Improvement Program database was queried for all individuals who had undergone primary THA between 2008 and 2015...
May 16, 2018: Orthopedics
https://www.readbyqxmd.com/read/29771397/long-term-wear-data-from-a-prospective-multicenter-study-of-second-generation-highly-cross-linked-polyethylene-inserts-in-total-hip-arthroplasty
#17
Peter M Bonutti, J Wesley Mesko, Rama Ramakrishnan
In a prospective multicenter trial on highly cross-linked polyethylene inserts in patients undergoing total hip arthroplasty, 118 patients consented to 10-year follow-up. Medium-term follow-up results showed low wear at 5 and 7 years after surgery. The current study focuses on long-term data at 10 years. Patients were followed up by either phone or office visit to collect long-term clinical data including Harris hip score and adverse events. There were 2 deaths and 2 revisions, 1 at 6.5 years for pelvic cyst and severe pain and another at 8...
May 16, 2018: Orthopedics
https://www.readbyqxmd.com/read/29770878/slight-under-correction-following-total-knee-arthroplasty-for-a-valgus-knee-results-in-similar-clinical-outcomes
#18
Sung-Sahn Lee, Hyeon Lee, Dae-Hee Lee, Young-Wan Moon
BACKGROUND: Restoration of correct coronal alignment is one of the main goals of total knee arthroplasty (TKA). Traditionally, TKA has been considered successful when a neutral mechanical hip-knee-ankle (HKA) axis within 3° is achieved. Recent studies have reported no differences or improved clinical outcomes following a slight under-correction of the HKA axis for a varus knee. However, the influence of under-correction of a valgus knee has not been reported. This study investigated the influence of post-operative HKA alignment in TKA patients with valgus deformity on clinical outcomes...
May 16, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29768492/association-between-periprosthetic-tissue-metal-content-whole-blood-and-synovial-fluid-metal-ion-levels-and-histopathological-findings-in-patients-with-failed-metal-on-metal-hip-replacement
#19
Lari Lehtovirta, Aleksi Reito, Jyrki Parkkinen, Sirpa Peräniemi, Jouko Vepsäläinen, Antti Eskelinen
Adverse Reaction to Metal Debris (ARMD) is a major cause of implant failure leading to revision surgery in patients with metal-on-metal (MoM) hip arthroplasties. However, the pathogenesis and its association to implant wear are poorly understood and previous studies have yielded discrepant results. We sought to investigate the associations between histological findings, whole blood and synovial fluid metal ion concentrations and periprosthetic tissue metal concentrations in patients with MoM total hip replacements and hip resurfacings revised for ARMD...
2018: PloS One
https://www.readbyqxmd.com/read/29767837/romiplostim-for-the-management-of-perioperative-thrombocytopenia
#20
Hanny Al-Samkari, Ariela L Marshall, Katayoon Goodarzi, David J Kuter
Thrombocytopenic patients requiring invasive surgery have few options to improve their platelet count preoperatively. This is a single-centre, retrospective review of thrombocytopenic patients receiving the thrombopoietin receptor agonist romiplostim perioperatively to allow for surgical interventions. Patient characteristics, romiplostim use, and surgical and safety outcomes (bleeding, thrombosis, transfusions) were collected and analysed. Forty-seven patients underwent 51 surgical procedures (ranging from total hip arthroplasty to open cardiac surgery) with romiplostim support...
May 16, 2018: British Journal of Haematology
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