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Hip and knee arthroplasty

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https://www.readbyqxmd.com/read/27909123/comparative-study-of-computer-assisted-total-knee-arthroplasty-after-opening-wedge-osteotomy-versus-after-unicompartmental-arthroplasty
#1
R Pailhé, J Cognault, J Massfelder, A Sharma, R-C Rouchy, B Rubens-Duval, D Saragaglia
AIMS: The role of high tibial osteotomy (HTO) is being questioned by the use of unicompartmental knee arthroplasty (UKA) in the treatment of medial compartment femorotibial osteoarthritis. Our aim was to compare the outcomes of revision HTO or UKA to a total knee arthroplasty (TKA) using computer-assisted surgery in matched groups of patients. PATIENTS AND METHODS: We conducted a retrospective study to compare the clinical and radiological outcome of patients who underwent revision of a HTO to a TKA (group 1) with those who underwent revision of a medial UKA to a TKA (group 2)...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27905187/no-clinically-meaningful-weight-changes-in-a-young-cohort-following-total-joint-arthroplasty-at-3-year-follow-up
#2
Peter M Formby, Richard L Purcell, Michael Baird, Matthew Wagner, Ronald P Goodlett, Andrew W Mack
BACKGROUND: Total joint arthroplasty (TJA) is one of the most successful operations. There is little in the literature regarding weight change following TJA, particularly in a young cohort. METHODS: Retrospective analysis of 181 primary total hip arthroplasty (THA) and 185 primary total knee arthroplasty (TKA) patients was conducted. We reviewed preoperative and post-operative weights and post-operative body mass index at 3 and 6 months, 1 year, 2 and 3 years...
November 30, 2016: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/27904221/what-have-we-learned-from-100-success-of-press-fit-condylar-rotating-platform-posterior-stabilized-knees-a-5-10-years-followup-by-a-nondesigner
#3
Shrinand V Vaidya, Siddharth Virani, Rajendra Phunde, Abhishek Mahajan
BACKGROUND: Total joint arthroplasties of the hip and knee represent a remarkable feat of modern medicine in terms of reducing pain and restoring function to millions of patients afflicted with severe arthritis. Oftentimes, the performance and longevity of new implants and devices are based on limited data. This is the first study by a non-designer on the press fit condylar rotating platform posterior stabilized (PFC-RP-PS) design with 100' success. This has a relevance, vis-á -vis bias that one may have in terms of reproducibility of technique and funding from the manufacturer...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27900509/conversion-of-hip-fusion-to-total-hip-arthroplasty-clinical-radiological-outcomes-and-complications-in-40-hips
#4
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/27900474/bone-scan-usefulness-in-patients-with-painful-hip-or-knee-prosthesis-10-situations-that-can-cause-pain-other-than-loosening-and-infection
#5
REVIEW
Sofia Vaz, Teresa C Ferreira, Lucília Salgado, Frédéric Paycha
In recent years, with the higher median life expectancy, the number of hip and knee replacements has increased. Clinical examination and morphological studies are essential to evaluate patients with a painful arthroplasty. Nuclear medicine examinations also play an important role, their main usefulness being the exclusion of prosthesis complications. Nevertheless, conventional examinations, namely bone scan and white blood cell scintigraphy, can also identify complications, such as loosening and infection. This study describes the normal and pathologic patterns of a bone scan and exemplifies ten common situations that can cause pain in patients with hip or knee arthroplasty, other than loosening and infection, which can be disclosed on a bone scintigraphy...
November 30, 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/27898510/the-effect-of-implementation-of-preoperative-and-postoperative-care-elements-of-a-perioperative-surgical-home-model-on-outcomes-in-patients-undergoing-hip-arthroplasty-or-knee-arthroplasty
#6
Thomas R Vetter, Joydip Barman, James M Hunter, Keith A Jones, Jean-Francois Pittet
BACKGROUND: The Perioperative Surgical Home (PSH) seeks to remedy the currently highly fragmented and expensive perioperative care in the United States. The 2 specific aims of this health services research study were to assess the association between the preoperative and postoperative elements of an initial PSH model and a set of (1) clinical, quality, and patient safety outcomes and (2) operational and financial outcomes, in patients undergoing total hip arthroplasty (THA) or total knee arthroplasty (TKA)...
November 28, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27896394/the-orientation-of-the-surgical-epicondylar-axis-varies-in-varus-and-non-varus-knees-in-the-coronal-plane
#7
Yunjie Zhang, Xiaofeng Wang, Yunchao Shao, Qing Xia
PURPOSE: To investigate the orientations of the surgical epicondylar axis (SEA) of varus and non-varus knees in the coronal plane. METHODS: One-hundred and sixty-two knees from 81 Chinese patients undergoing total knee arthroplasty (TKA) were retrospectively investigated. The angle between the medial side of the femoral mechanical axis and the SEA (MA-SEA), as well as the physiological valgus angle, was measured in the coronal plane using three-dimensional reconstruction...
November 28, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27896292/shoulder-arthroplasty-outcomes-in-patients-with-multiple-reported-drug-allergies-does-number-of-drug-allergies-have-an-effect-on-outcome
#8
Brett D Rosenthal, Michael J Knesek, Cynthia A Kahlenberg, Harry Mai, Matthew D Saltzman
BACKGROUND: The presence of multiple allergies has been correlated with worse outcomes for patients undergoing hip and knee arthroplasty, but the effect of allergies has not yet been elucidated with respect to shoulder arthroplasty. PURPOSE/HYPOTHESIS: The purpose of this study is to identify any discrepancies in shoulder arthroplasty outcomes with respect to reported drug allergies. We hypothesized that patients with multiple drug allergies would have inferior outcomes...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27894239/do-the-biologic-agents-increase-the-risk-of-infection-in-patients-undergoing-lower-limb-arthroplasty-surgery
#9
N A Sandiford
BACKGROUND: Biologic agents have contributed significantly to the management of patients with in rheumatoid arthritis (RA). A significant proportion of patients with RA still require arthroplasty procedures however. It is unclear whether these agents increase the risk of post operative infection after lower limb arthroplasty . The aim of this review is to review the contemporary literature about this topic along with the recommendations from specialist societies. METHOD: A literature search was performed for articles published over the last 10 years in the English language examining the association between anti-tumour necrosis factor inhibitors and the incidence of post operative infection in patients with RA undergoing hip and knee arthroplasty procedures...
November 27, 2016: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/27890623/sirt1-protects-osteoblasts-against-particle-induced-inflammatory-responses-and-apoptosis-in-aseptic-prosthesis-loosening
#10
Zhantao Deng, Zhenheng Wang, Jiewen Jin, Yong Wang, Nirong Bao, Qian Gao, Jianning Zhao
: We hypothesized that SIRT1 downregulation in osteoblasts induced by wear particles was one of the reasons for particle-induced osteolysis (PIO) in total joint arthroplasty failure. In the present study, the expression of SIRT1 was examined in osteoblasts treated with TiAl6V4 particles (TiPs) and CoCrMo particles (CoPs) from materials used in prosthetics and specimens from PIO animal models. To address whether SIRT1 downregulation triggers inflammatory responses and apoptosis in osteoblasts, the effect of a SIRT1 activator, resveratrol on the expression of inflammatory cytokines and apoptosis in particle-treated osteoblasts was tested...
November 23, 2016: Acta Biomaterialia
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
#11
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/27890407/postoperative-tachycardia-clinically-meaningful-or-benign-consequence-of-orthopedic-surgery
#12
Alana E Sigmund, Yixin Fang, Matthew Chin, Harmony R Reynolds, Leora I Horwitz, Ezra Dweck, Eduardo Iturrate
OBJECTIVE: To determine the clinical significance of tachycardia in the postoperative period. PATIENTS AND METHODS: Individuals 18 years or older undergoing hip and knee arthroplasty were included in the study. Two data sets were collected from different time periods: development data set from January 1, 2011, through December 31, 2011, and validation data set from December 1, 2012, through September 1, 2014. We used the development data set to identify the optimal definition of tachycardia with the strongest association with the vascular composite outcome (pulmonary embolism and myocardial necrosis and infarction)...
November 24, 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27887875/two-stage-revision-for-infected-shoulder-arthroplasty
#13
Daniel B Buchalter, Siddharth A Mahure, Brent Mollon, Stephen Yu, Young W Kwon, Joseph D Zuckerman
BACKGROUND: Periprosthetic shoulder infections (PSIs) are challenging to treat and often result in significant patient morbidity. Without a standardized treatment protocol, PSIs are often managed similarly to periprosthetic hip and knee infections. Because 2-stage revision is the gold standard for treating periprosthetic hip and knee infections, we performed a case series and literature review to determine its effectiveness in PSIs. METHODS: We identified 19 patients (14 men) from our institution who were treated with a 2-stage revision after presenting with a PSI...
November 22, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27886686/preoperative-versus-postoperative-initiation-of-warfarin-therapy-in-patients-undergoing-total-hip-and-knee-arthroplasty
#14
REVIEW
Cara Cipriano, Nicholas Erdle, Kai Li, Brian Curtin
The optimal strategy for postoperative deep venous thrombosis prophylaxis remains controversial in hip and knee arthroplasty. Warfarin causes transient hypercoagulability; however, the optimal timing of treatment remains unclear. We evaluated the effects of preoperative versus postoperative warfarin therapy with a primary endpoint of perioperative change in hemoglobin. Warfarin was dosed according to a standard nomogram. No difference in perioperative hemoglobin change was observed. The preoperative group demonstrated higher INRs...
January 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/27886679/impact-of-inpatient-versus-outpatient-total-joint-arthroplasty-on-30-day-hospital-readmission-rates-and-unplanned-episodes-of-care
#15
REVIEW
Bryan D Springer, Susan M Odum, David N Vegari, Jeffrey G Mokris, Walter B Beaver
This article describes a study comparing 30-day readmission rates between patients undergoing outpatient versus inpatient total hip (THA) and knee (TKA) arthroplasty. A retrospective review of 137 patients undergoing outpatient total joint arthroplasty (TJA) and 106 patients undergoing inpatient (minimum 2-day hospital stay) TJA was conducted. Unplanned hospital readmissions and unplanned episodes of care were recorded. All patients completed a telephone survey. Seven inpatients and 16 outpatients required hospital readmission or an unplanned episode of care following hospital discharge...
January 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/27881118/electrolyte-disorders-and-aging-risk-factors-for-delirium-in-patients-undergoing-orthopedic-surgeries
#16
Li-Hong Wang, Dong-Juan Xu, Xian-Jiao Wei, Hao-Teng Chang, Guo-Hong Xu
BACKGROUND: At present, the exact mechanism of postoperative delirium has not been elucidated. The purpose of this study was to analyze the incidence of delirium in patients undergoing orthopedic surgeries and to explore possible related factors. METHODS: This is a retrospective study. We used 582 patients who had undergone orthopedic surgery between January 2011 and December 2014. The surgeries consisted of 155 cases of internal fixation for intertrochanteric fracture (IFIF), 128 cases of femoral head replacement (FHR), 169 cases of total hip arthroplasty (THA) and 130 cases of total knee arthroplasty (TKA)...
November 23, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27879565/surgical-wound-infection-rates-and-risk-factors-in-spinal-fusion-in-a-university-teaching-hospital-in-madrid-spain
#17
Ana Isabel Hijas-Gómez, Rosa María Egea-Gámez, Javier Martínez-Martín, Rafael Conrado González-Díaz, José Isaac Losada-Viñas, Gil Rodríguez-Caravaca
STUDY DESIGN: Prospective cohort study. OBJECTIVE: To study risk factors linked to spinal fusion surgical wound infection (SWI) incidence and compare the incidence to rates in Madrid Region, Spain and USA as a whole. SUMMARY OF BACKGROUND DATA: Surgical wound infection (SWI) is one of the complications posed by spinal surgery. Indeed, spinal surgery has a higher infection rate than do other orthopaedic surgeries such as total hip or knee arthroplasty...
November 22, 2016: Spine
https://www.readbyqxmd.com/read/27876582/subperitoneal-approach-in-revision-arthroplasty-for-acetabular-component-protrusion-analysis-of-practiceswithin-the-french-hip-and-knee-society-sfhg
#18
F Gouin, V Crenn, J Tabutin
INTRODUCTION: The complications related to revision for acetabular component protrusion with material migrating into the intrapelvic region remain rare but potentially serious. Today, the literature reports no epidemiological data on the subperitoneal approach (SPA) in revision total hip arthroplasty (RTHA) for protrusion. Therefore we conducted a retrospective study on a large revision arthroplasty database to answer the following questions: 1) What is the frequency of this approach in this population? 2) What are the factors related to this procedure? 3) Is morbidity and mortality of the SPA higher than for an isolated conventional approach? HYPOTHESIS: Major protrusions with material in the superomedial quadrant (SMQ)have a higher probability of being operated using a SPA...
November 19, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27876255/patient-and-perioperative-variables-affecting-30-day-readmission-for-surgical-complications-after-hip-and-knee-arthroplasties-a-matched-cohort-study
#19
Benjamin F Ricciardi, Kathryn K Oi, Steven B Daines, Yuo-Yu Lee, Amethia D Joseph, Geoffrey H Westrich
BACKGROUND: Changes in reimbursement for total hip and knee arthroplasties (THA and TKA) have placed increased financial burden of early readmission on hospitals and surgeons. Our purpose was to characterize factors of 30-day readmission for surgical complications after THA and TKA at a single, high-volume orthopedic specialty hospital. METHODS: Patients with a diagnosis of osteoarthritis and who were readmitted within 30 days of their unilateral primary THA or TKA procedure between 2010 and 2014...
October 21, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27869063/screening-patients-undergoing-total-hip-or-knee-arthroplasty-with-perioperative-urinalysis-and-the-effect-of-a-practice-change-on-antimicrobial-use
#20
Samuel Bailin, Nicolas Noiseux, Jean M Pottinger, Birgir Johannsson, Ambar Haleem, Sarah Johnson, Loreen A Herwaldt
OBJECTIVE To identify predictors of treatment for urinary tract infections (UTI) among patients undergoing total hip (THA) or knee (TKA) arthroplasties and to assess an intervention based on these predictors. DESIGN We conducted a retrospective cohort study of 200 consecutive patients undergoing THA/TKA between February 21, 2011, and June 30, 2011, to identify predictors of treatment for UTI and a prospective cohort study of 50 patients undergoing these procedures between May 21, 2012, and July 17, 2012, to assess the association of signs or symptoms and UTI treatment...
November 21, 2016: Infection Control and Hospital Epidemiology
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