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https://www.readbyqxmd.com/read/29352728/differential-proteomic-analysis-of-synovial-fluid-from-hip-arthroplasty-patients-with-a-pseudotumor-vs-periprosthetic-osteolysis
#1
Isabelle Catelas, Eric A Lehoux, Zhibin Ning, Daniel Figeys, Stephen J Baskey, Paul E Beaulé
Adverse tissue reactions to metal implants, including pseudotumors, can compromise implant functionality and survivorship. The identification of specific proteins in the synovial fluid (SF) of hip arthroplasty patients with a pseudotumor may lead to a better understanding of the underlying pathomechanisms. The objective of the present study was to compare the protein content of SF from patients with a short-term metal-on-metal hip implant associated with a pseudotumor and patients with a long-term metal-on-polyethylene hip implant associated with periprosthetic osteolysis...
January 20, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29352690/diagnostic-utility-of-histological-analysis-for-detecting-ongoing-infection-during-two-stage-revision-arthroplasty-in-patients-with-inflammatory-arthritis
#2
Jaiben George, Yaxia Zhang, Michael Jawad, Mhamad Faour, Alison K Klika, Thomas W Bauer, Carlos A Higuera
BACKGROUND: Surgeons often rely on intra-operative histology (frozen sections [FS]) to determine the next step in surgical management during the second stage (re-implantation surgery) of 2-stage revision arthroplasty. The purpose of the study is to assess the accuracy of permanent sections (PS) and FS in the diagnosis of persistent infection during re-implantation in patients with an inflammatory arthritis. METHODS: From 2001 to 2016, 47 planned second-stage revision total hip arthroplasty and total knee arthroplasty in patients with inflammatory arthritis were identified...
December 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352689/morbidity-and-safety-of-iliac-crest-reference-array-pins-in-navigated-total-hip-arthroplasty-a-prospective-cohort-study
#3
Anton P Lambers, Xiang G Salim, Robert Jennings, Andrew T Bucknill
BACKGROUND: Navigated total hip arthroplasty (THA) can employ intra-osseous pins through a separate incision to secure reference arrays to the iliac crest. This study is the first to investigate the consequences of pin use in THA in vivo. METHODS: A prospective, consecutive series of 43 patients presenting for navigated THA were included. Two temporary 125 × 4 mm Schanz screws were inserted into the iliac crest for the attachment of a reference array. Telephone follow-up occurred at 6 and 12 weeks post-operatively...
December 28, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352688/the-association-between-readmission-and-patient-experience-in-a-total-hip-arthroplasty-population
#4
(no author information available yet)
BACKGROUND: Our goal was to determine whether readmissions within 30 or 90 days following discharge are associated with Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) scores for total hip arthroplasty (THA) patients. METHODS: HCAHPS surveys from all patients who underwent THA between January 2016 and September 2016 in our institution were analyzed. Readmissions, demographics, baseline joint pain, joint function, and Veterans RAND-12 scores were collected...
December 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352687/what-influence-does-the-time-of-year-have-on-postoperative-complications-following-total-knee-arthroplasty
#5
Nipun Sodhi, Nicolas S Piuzzi, Sarah E Dalton, Jaiben George, Mitchell Ng, Anton Khlopas, Assem A Sultan, Carlos A Higuera, Michael A Mont
BACKGROUND: The time of year might influence the occurrence of surgical complications. Therefore, this study investigated correlations between the time-of-year and 30-day postoperative complication rates following primary total knee arthroplasty (TKA). Specifically, we determined (1) postoperative complication rates across all quarters; and (2) time-of-year influence on complications using univariate and multivariate regression analyses. METHODS: CPT code 27447 identified 147,473 TKAs from the NSQIP database...
December 28, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352686/interobserver-and-intraobserver-reliability-of-computed-tomography-based-three-dimensional-preoperative-planning-for-primary-total-knee-arthroplasty
#6
Michiaki Miura, Shigeo Hagiwara, Junichi Nakamura, Yasushi Wako, Yuya Kawarai, Seiji Ohtori
BACKGROUND: Preoperative planning is an important factor for total knee arthroplasty (TKA). The aim of this study is to document the interobserver and intraobserver reliability of computed tomography (CT)-based 3-dimensional (3D) preoperative planning for primary TKA. METHODS: Twenty knees (10 with osteoarthritis and 10 with rheumatoid arthritis) were studied independently by 6 orthopedic surgeons using a CT-based 3D planning system. The measurements were made twice at more than 3-week intervals without any knowledge of their own previous measurements or those of the others...
December 28, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352685/factors-associated-with-posterior-cruciate-ligament-tightness-during-cruciate-retaining-total-knee-arthroplasty
#7
Kazuhisa Hatayama, Masanori Terauchi, Shogo Hashimoto, Kenichi Saito, Hiroshi Higuchi
BACKGROUND: The purpose of our study was to identify factors affecting posterior cruciate ligament (PCL) tightness during cruciate-retaining total knee arthroplasty. METHODS: A total of 225 varus osteoarthritic knees that underwent cruciate-retaining total knee arthroplasty were included in this study. When the flexion gap was tighter than the extension gap after all bone resection and the lift-off sign was positive during surgery, the PCL was released. The association between PCL release and potential risk factors, such as age, gender, body mass index, preoperative range of motion, anterior cruciate ligament status, preoperative hip-knee-ankle angle (HKA), decrease in posterior condylar offset, and also change in tibial posterior slope angle (TPSA) from preoperative to postoperative measurement, was evaluated by univariate and multivariate logistic regression analyses...
December 28, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352684/long-term-outcome-of-hip-arthroplasty-in-the-setting-of-pigmented-villonodular-synovitis
#8
Meagan E Tibbo, Cody C Wyles, Peter S Rose, Franklin H Sim, Matthew T Houdek, Michael J Taunton
BACKGROUND: Pigmented villonodular synovitis (PVNS) is a rare, benign, painful proliferation of the synovium previously treated successfully with total hip arthroplasty (THA). Published results come from small series; therefore, the purpose of this study is to investigate the outcomes of THA in the setting of PVNS. METHODS: We identified 25 patients with histologically confirmed, diffuse PVNS who underwent THA between 1971 and 2013. Mean follow-up and age was 10 years and 39 years...
December 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352683/discharge-to-inpatient-rehab-does-not-result-in-improved-functional-outcomes-following-primary-total-knee-arthroplasty
#9
Douglas E Padgett, Alexander B Christ, Amethia D Joseph, You-Yu Lee, Stephen B Haas, Stephen Lyman
BACKGROUND: Monitored rehabilitation has long been considered an essential part of the recovery process in total knee arthroplasty (TKA). However, the optimal setting for rehabilitation remains uncertain. We sought to determine whether inpatient rehabilitation settings result in improved functional and patient-reported outcomes after primary TKA. METHODS: All patients undergoing primary TKA from May 2007 to February 2011 were identified from our institutional total joint registry...
December 28, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352682/are-allogeneic-transfusions-decreasing-in-total-knee-arthroplasty-patients-national-inpatient-sample-2009-2013
#10
Jaydev B Mistry, Chukwuweike U Gwam, Qais Naziri, Robert Pivec, Roby Abraham, Michael A Mont, Ronald E Delanois
BACKGROUND: Allogeneic transfusions are commonly used for substantial blood loss in total knee arthroplasty (TKA), but have been associated with adverse effects and increased costs. The purpose of this study is to provide a detailed description of (1) trends of allogeneic blood transfusion; (2) risk factors and adverse events; and (3) discharge disposition, length-of-stay (LOS), and cost/charge analysis for primary TKA patients who received an allogeneic blood transfusion from 2009-2013...
December 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352681/no-consensus-for-femoral-head-impaction-technique-in-surgeon-education-materials-from-orthopedic-implant-manufacturers
#11
Brian J McGrory, Eric Ng
BACKGROUND: Prior studies indicate that one factor that may contribute to total hip arthroplasty failure due to mechanically assisted crevice corrosion at the femoral head-trunnion junction is the method of femoral head fixation. METHODS: Up-to-date on-line surgical technique guides describing fixation of the prosthetic femoral head of common implants of the 4 largest manufacturers as well as 2 minor manufacturers were identified. The information given regarding preparation and fixation of the femoral head was evaluated and compared...
December 30, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29352333/long-term-results-of-custom-cementless-stem-total-hip-arthroplasty-performed-in-hip-fusion
#12
Xavier Flecher, Matthieu Ollivier, Pascal Maman, Sébastien Pesenti, Sébastien Parratte, Jean-Noël Argenson
INTRODUCTION: Due to complex anatomical considerations, results of cementless-stem total hip arthroplasty (THA) in hip fusion remain controversial compared with conventional THA. We therefore aimed to analyse 3D anatomy of the fused hip based on pre-operative computed tomography (CT) scans, functional outcomes based on the Harris Hip Score (HHS) and the Hip Disability and Osteoarthritis Outcome Score (HOOS), modifications of hip anatomy based on post-operative standardised radiography, and determine complication rate and long-term survival based on Kaplan-Meier analysis...
January 19, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29351933/vanadium-allergy-following-total-knee-arthroplasty
#13
Fidel Peat, Ross Coomber, Adnan Rana, Alastair Vince
Allergic reactions to metals following joint arthroplasty represent a rare and poorly understood phenomenon. Much is still unknown regarding the natural history of this complication, and how it can best be prevented and managed. We present a case of a 68-year-old woman who underwent a left total knee arthroplasty for treatment of osteoarthritis. After an initial uneventful postoperative course, she developed a troublesome erythematous rash both around the incision site and over her trunk. Blood testing revealed no evidence of infection and clinically her prosthesis was functioning well...
January 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29351137/early-response-to-warfarin-initiation-and-the-risk-of-venous-thromboembolism-after-total-joint-arthroplasty
#14
Adam I Edelstein, Clara Terzaghi, Brandon Nudelman, Charles Qin, Mary Kwasny, David W Manning
BACKGROUND: Venous thromboembolism chemoprophylaxis with warfarin is common after total joint arthroplasty. Early response to warfarin initiation has been theorized to engender a transient increase in the risk of venous thromboembolism. We hypothesized that a rapid rise in the international normalized ratio is a risk factor for venous thromboembolism after total joint arthroplasty. METHODS: This study was a retrospective analysis of Medicare patients undergoing elective total joint arthroplasty who were given nomogram-dosed warfarin for venous thromboembolism prophylaxis...
January 18, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29351136/trends-and-variability-in-the-use-of-total-shoulder-arthroplasty-for-medicare-patients
#15
Benjamin Zmistowski, Eric M Padegimas, Michael Howley, Joseph Abboud, Gerald Williams, Surena Namdari
INTRODUCTION: As policies are implemented to encourage high-quality care, it is important to identify any persistent limitations to the uniform delivery of anatomic and reverse total shoulder arthroplasty (TSA). The study's goal was to assess current TSA use and identify predictors of geographic variability. METHODS: We used data from 2012 through 2014 that was obtained from public Medicare databases to identify the case volume, locations, and names of surgeons performing >10 TSAs annually...
January 18, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29349988/-comparison-of-analgesic-effects-between-multimodal-and-patient-controlled-intravenous-analgesia-in-patients-with-rheumatoid-arthritis-in-the-perioperative-period-of-total-knee-arthroplasty
#16
Hua-Li Gao, Lian-Bo Xiao, Wei-Tao Zhai, Yong He, Fei Zhu, Lin Zheng, Xiu-Wei Han
OBJECTIVE: To compare the analgesic effect between multimodal and patient-controlled intravenous analgesia(PCIA) in patients with rheumatoid arthritis(RA) in the perioperative period of knee joint replacement. METHODS: From June 2015 to June 2016, 40 RA patients undergoing total knee arthroplasty were randomly divided into two groups. There were 20 patients in PCIA group, including 3 males and 17 females, with an average age of(59.6±2.3) years old, who received controlled instillation of sufentanil analgesia controlled by an intravenous analgesia pump...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349982/-effects-of-tranexamic-acid-combined-with-temporary-drain-clamping-on-postoperative-blood-loss-in-total-knee-arthroplasty
#17
Yi-Long Dong, Yue-Nan Qian, Xi-Qiang Zhong, Guang-Jie Shen, Chun-Yuan Cai
OBJECTIVE: To evaluate the efficacy and safety of one dose tranexamic acid combined with temporary drain lamping in primary unilateral total knee arthroplasty. METHODS: Total 160 patients undergoing unilateral primary total knee arthroplasty between January 2012 and December 2013 were randomly divided into four groups(40 cases in each group):group A (the drain was clamped for 2 hours after the operation and the patients received 20 ml physiological saline), group B(the drain was clamped for 2 hours after the operation and the patients received 10 ml tranexamic acid and 10 ml physiological saline), group C (the drain was clamped for 4 hours after the operation and the patients received 20 ml physiological saline) and group D(the drain was clamped for 4 hours after the operation and the patients received 10 ml tranexamic acid and 10 ml physiological saline)...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349981/-clinical-results-in-early-and-mid-term-of-using-the-s-rom-femoral-stem-in-revision
#18
Shang Piao, Yong-Gang Zhou, Yin-Qiao Du, Hai-Yang Ma, Jing-Yang Sun, Zhi-Sen Gao, Ya-Wen Peng, Wen-Ming Wu
OBJECTIVE: To investigate and the clinical effect of S-ROM modular stem in femur reconstruction in hip revision arthroplasty. METHODS: From January 2008 to January 2016, 21 patients received revision hip arthroplasties using S-ROM stems. There were 5 males and 16 females with an average of 48.33 years old(range, 29 to 73 years old). There were 13 cases caused by aseptic loosening, 4 cases by infection, 2 cases by nonunion of sub-tuberosity osteotomy, 1 case for repeated dislocation, 1 case for traumatic great trochanter fracture...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349978/-correlation-of-medial-compartmental-joint-line-elevation-with-femorotibial-angle-correction-and-clinical-function-after-unicompartmental-arthroplasty
#19
Zhan-Feng Zhang, Dan Wang, Ji-Kang Min
OBJECTIVE: To study the correlation of postoperative femorotibial angle with medial compartmental joint line elevation after unicompartmental arthroplasty(UKA), as well as the correlation of joint line elevation with the clinical function by measuring radiological joint line. METHODS: A retrospective study of 56 patients from July 2012 to August 2015 was performed. The mean body mass index (BMI) was 23.5 (ranged, 18.3 to 30.1). The standing anteroposterior radiographs of these patients were assessed both pre-and post-operatively, and the knee function was evaluated according to HSS grading...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349968/-clinical-outcomes-of-total-hip-arthroplasty-using-wagner-sl-revision-stem-in-femoral-intertrochanteric-fractures-for-patients-with-old-fracture-or-painful-arthritis-before-injury
#20
Xian-Wu Chen, Ru-Qing Ye, Hai-Ping Xu
OBJECTIVE: To retrospectively study the clinical results of total hip arthroplasty(THA) using Wagner SL revision stem for patients with femoral intertrochanteric fracture. METHODS: From 2006 January to 2009 December, 29 consecutive patients with femoral intertrochanteric fractures were performed THA using Wagner SL revision stem and intertrochanteric reconstruction, including 18 males and 11 females with an average age of 49 years old ranging from 43 to 58. Among them, 8 cases were oboslete femoral intertrochanteric fractures and 21 cases were the intertrochanteric fractures with painful arthritis before injuries...
March 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
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