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https://www.readbyqxmd.com/read/28214257/a-comparison-of-two-dosing-regimens-of-asa-following-total-hip-and-knee-arthroplasties
#1
Michael J Feldstein, Sara L Low, Antonia F Chen, Laura A Woodward, William J Hozack
BACKGROUND: The purpose of this study was to compare short-term side effects of aspirin (ASA) 325 mg vs ASA 81 mg orally twice daily (PO BID) when used as thromboembolic prophylaxis following primary total joint arthroplasty. METHODS: A 1-year prospective cohort study was performed on 643 primary unilateral total joint arthroplasty patients operated on by a single surgeon. Two hundred eighty-two patients were administered ASA 325 mg PO BID and 361 patients were administered ASA 81 mg PO BID for 1 month...
January 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28196452/an-investigation-of-force-components-in-orthogonal-cutting-of-medical-grade-cobalt-chromium-alloy-astm-f1537
#2
Szymon Baron, Eamonn Ahearne
An ageing population, increased physical activity and obesity are identified as lifestyle changes that are contributing to the ongoing growth in the use of in-vivo prosthetics for total hip and knee arthroplasty. Cobalt-chromium-molybdenum (Co-Cr-Mo) alloys, due to their mechanical properties and excellent biocompatibility, qualify as a class of materials that meet the stringent functional requirements of these devices. To cost effectively assure the required dimensional and geometric tolerances, manufacturers rely on high-precision machining...
February 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28196043/measures-of-the-appropriateness-of-elective-orthopaedic-joint-and-spine-procedures
#3
Jeffrey N Katz, Amelia R Winter, Gillian Hawker
Total knee arthroplasty and total hip arthroplasty are 2 of the most commonly performed elective orthopaedic procedures. They are remarkably successful in relieving pain and improving function in individuals with advanced, symptomatic arthritis. Since, in addition to providing benefits, these procedures pose risks, it is important to provide clinicians with guidance in determining which patients should undergo total joint replacement surgery. The development of the RAND approach in 1986 and its application to total hip and knee replacement have enabled clinicians, payers, and others to assess the appropriateness of past and current procedures for particular patients...
February 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28195985/prosthetic-joint-infections-in-patients-undergoing-carpal-tunnel-release
#4
Wenjing Zeng, Deborah Paul, Thomas Kemp, John Elfar
INTRODUCTION: Little information is available regarding the rate of prosthetic joint infections (PJIs) in patients undergoing carpal tunnel release (CTR) without antibiotic prophylaxis. Hand surgeons should be aware of patients' history of arthroplasty. METHODS: All patients who underwent CTR at our institution between 2012 and 2014 were identified and their charts were reviewed to identify those who had a history of total hip, knee, and/or shoulder arthroplasty...
March 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28185755/the-james-a-rand-young-investigator-s-award-administrative-claims-vs-surgical-registry-capturing-outcomes-in-total-joint-arthroplasty
#5
Joseph T Patterson, David Sing, Erik N Hansen, Bobby Tay, Alan Zhang
BACKGROUND: Administrative claims in total joint arthroplasty are used for observational studies and payment adjustments under the Comprehensive Care for Joint Replacement (CJR) legislation. Claims data have not been validated against prospective surgical outcome registries for primary total hip (THA) or knee arthroplasty (TKA). We hypothesized that significant differences in reported comorbidity and adverse event measures exist between administrative claims and prospective registry data relevant to payment adjudication under the CJR reimbursement model...
February 6, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28185754/does-residual-varus-alignment-cause-increasing-varus-laxity-at-a-minimum-of-five-years-after-total-knee-arthroplasty
#6
Kazuhisa Hatayama, Masanori Terauchi, Kenichi Saito, Hiroshi Higuchi
BACKGROUND: The purpose of this study is to investigate whether varus-valgus laxity of cruciate-retaining (CR) total knee arthroplasty (TKA) changes between 1 year and >5 years after surgery based on postoperative limb alignment. METHODS: One hundred twenty-one varus osteoarthritic knees that underwent CR TKA were included. The minimum follow-up was 5 years. Weight-bearing full-leg radiographs were obtained postoperatively and the hip-knee-ankle (HKA) angle was measured...
January 17, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28184276/segregation-for-reduction-of-regulated-medical-waste-in-the-operating-room-a-case-report
#7
Helen Ki Shinn, Youngyoen Hwang, Byung-Gun Kim, Chunwoo Yang, WonJu Na, Jang-Ho Song, Hyun Kyoung Lim
One-third of all hospital-regulated medical waste (RMW) comes from the operating room (OR), and it considerably consists of disposable packaging and wrapping materials for the sterilization of surgical instruments. This study sought to identify the amount and type of waste produced by ORs in order to reduce the RMW so as to achieve environmentally-friendly waste management in the OR. We performed an initial waste segregation of 4 total knee replacement arthroplasties (TKRAs) and 1 total hip replacement arthroplasty, and later of 1 extra TKRA, 1 laparoscopic anterior resection of the colon, and 1 pelviscopy (with radical vaginal hysterectomy), performed at our OR...
February 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28182821/intrawound-vancomycin-powder-reduces-early-prosthetic-joint-infections-in-revision-hip-and-knee-arthroplasty
#8
Jeffrey E Otte, Joel R Politi, Bryan Chambers, Craig A Smith
Intrawound vancomycin powder has shown efficacy and safety in decreasing postoperative spine infections, but its use in arthroplasty has not been well established. The purpose of this study was to compare the rate of early prosthetic joint infections (PJI) with and without the use of intrawound vancomycin powder during joint arthroplasty. A retrospective cohort of all patients who underwent primary or revision hip or knee arthroplasty by two surgeons over a two-year period at a single hospital system was evaluated...
February 7, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28176194/enhanced-recovery-in-lower-limb-arthroplasty-in-the-irish-setting
#9
J G Galbraith, C Fenelon, J Gibbons, G A Kelly, D Bennett
BACKGROUND: In the current economic climate of staff shortages and bed closures, orthopaedic surgeons must look for system efficiencies. Enhanced Recovery Programmes (ERP) have the potential not only to reduce length of stay (LOS) and concurrent costs but also to improve patient outcomes. The aim of this paper is to evaluate the effect of ERP for primary total hip arthroplasty (THA) and total knee arthroplasty (TKA) on length of stay (LOS) in the Irish Setting. METHODS: A single-surgeon retrospective case-control study was conducted comparing those who underwent primary lower limb arthroplasty before and after the introduction of an ERP...
February 7, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28168465/-total-hip-and-total-knee-arthroplasty-in-parkinson-s-disease
#10
REVIEW
Alexander Schuh, René Handschu, Ulrich Schwemmer, Bernhard Krautz, Wolfgang Hönle
No abstract text is available yet for this article.
February 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28167881/poor-prognosis-of-patients-treated-for-periprosthetic-joint-infection
#11
REVIEW
Cynthia A Kahlenberg, Alexia Hernandez-Soria, Michael B Cross
The study by Gomez et al., "The Fate of Spacers in the Treatment of Periprosthetic Joint Infection," evaluates the clinical course and success rate of treatment of periprosthetic joint infection with two-stage revision with spacer placement in the interim period. The current review critically analyzes the findings of this study and examines how these findings may influence patient care in the field of hip and knee replacement. Gomez et al. report sobering results of two-stage revision with spacer placement for periprosthetic joint infection...
February 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28164052/treatment-of-stiff-elbow-in-young-patients-with-interpositional-arthroplasty-for-mobility-case-series
#12
R Sivakumar, V SomaSheker, Prahalad Kumar Shingi, T Vinoth, M Chidambaram
INTRODUCTION: The elbow is a complex joint involving many articulations and complex biomechanics come into play. Elbow motion is crucial to upper limb movement that loss of 50% of elbow function equals to loss of 80% of upper extremity global function. Restoring movement and stability is challenging to the surgeon while treating a stiff elbow. Unlike other arthroplasties of hip and knee, total elbow arthroplasty (TEA) may not be a primary treatment. Interpositional arthroplasty (IPA) can be considered a viable option in posttraumatic arthritis of elbow in young patients...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28162706/-459-a-comparison-of-injection-liposomal-and-hydrochloride-formulations-of-local-anesthetic-on-function-and-pain-control-after-knee-and-hip-arthroplasty
#13
R Singa, L Chargualaf, D Conyack, R Pitera
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28161137/incidence-risk-factors-and-clinical-implications-of-pneumonia-following-total-hip-and-knee-arthroplasty
#14
Daniel D Bohl, Bryan M Saltzman, Robert A Sershon, Brian Darrith, Kamil T Okroj, Craig J Della Valle
BACKGROUND: The purpose of this study is to determine the incidence, risk factors, and clinical implications of pneumonia following total joint arthroplasty (TJA). METHODS: The American College of Surgeons National Surgical Quality Improvement Program was used to conduct a retrospective cohort study of patients undergoing TJA. Independent risk factors for the development of pneumonia within 30 days of TJA were identified using multivariate regression. Mortality and readmission rates were compared between patients who did and did not develop pneumonia...
January 14, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28160020/diagnosis-of-periprosthetic-joint-infection-using-alpha-defensin-test-or-multiplex-pcr-ideal-diagnostic-test-still-not-found
#15
Arnold J Suda, Marco Tinelli, Nils D Beisemann, Yoram Weil, Amal Khoury, Oliver E Bischel
PURPOSE: Diagnosing periprosthetic infection remains a challenge. Multiplex-PCR and biomarkers such as alpha-defensin are potentially useful and fast methods for detecting periprosthetic infection. This study compared these new methods with clinical assessment, conventional microbiological methods and histo-pathological examination. METHODS: Twenty-eight consecutive patients with 30 joints and a mean age of 67.7 years (range 39 to 88) with removal of total hip arthroplasty (THA) or total knee replacement (TKR) were included in this study...
February 4, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28153458/ten-year-trends-and-independent-risk-factors-for-unplanned-readmission-following-elective-total-joint-arthroplasty-at-a-large-urban-academic-hospital
#16
Matthew A Varacallo, Leah Herzog, Nader Toossi, Norman A Johanson
BACKGROUND: Total joint arthroplasty procedures continue to provide consistent, long-term success and high patient satisfaction scores. However, early unplanned readmission to the hospital imparts significant financial risks to individual institutions as we shift away from the traditional fee-for-service payment model. METHODS: Using a combination of our hospital's administrative database and retrospective chart reviews, we report the 30-day and 90-day readmission rates and all causes of readmission following all unilateral, primary elective total hip and knee arthroplasty procedures at a large, urban, academic hospital from 2004 to 2013...
December 27, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28153031/combined-use-of-intravenous-and-topical-versus-intravenous-tranexamic-acid-in-primary-total-knee-and-hip-arthroplasty-a-meta-analysis-of-randomised-controlled-trials
#17
Jun-Feng Li, Hang Li, Hui Zhao, Jun Wang, Shen Liu, Yang Song, Hong-Fen Wu
BACKGROUND: This meta-analysis aimed to evaluate the efficiency and safety of combined intravenous and topical methods of application versus single intravenous of tranexamic acid in primary total knee and hip arthroplasty. METHODS: A systematic search was carried out in MEDLINE (from 1966 to 25 September 2016), PubMed (from 1966 to 25 September 2016), Embase (from 1980 to 25 September 2016), ScienceDirect (from 1985 to 25 September 2016) and the Cochrane Library...
February 2, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28150297/time-course-and-reasons-for-90-day-mortality-in-fast-track-hip-and-knee-arthroplasty
#18
C C Jørgensen, H Kehlet
BACKGROUND: Post-operative mortality is an important adverse outcome, including in total hip (THA) and knee arthroplasty (TKA). However, whether mortality is due to anaesthetic/surgical complications, surgically induced organ dysfunction or unrelated to surgery is rarely considered. METHODS: Prospective observational study in 13,775 consecutive THA/TKAs with similar fast-track protocols and a median length of stay of 2 days. Complete 90-days follow-up through national registries, followed by review of medical records and death certificates...
February 1, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28148664/validation-of-the-english-language-forgotten-joint-score-12-as-an-outcome-measure-for-total-hip-and-knee-arthroplasty-in-a-british-population
#19
D F Hamilton, F L Loth, J M Giesinger, K Giesinger, D J MacDonald, J T Patton, A H R W Simpson, C R Howie
AIMS: To validate the English language Forgotten Joint Score-12 (FJS-12) as a tool to evaluate the outcome of hip and knee arthroplasty in a United Kingdom population. PATIENTS AND METHODS: All patients undergoing surgery between January and August 2014 were eligible for inclusion. Prospective data were collected from 205 patients undergoing total hip arthroplasty (THA) and 231 patients undergoing total knee arthroplasty (TKA). Outcomes were assessed with the FJS-12 and the Oxford Hip and Knee Scores (OHS, OKS) pre-operatively, then at six and 12 months post-operatively...
February 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28145954/intra-articular-vancomycin-powder-eliminates-methicillin-resistant-s-aureus-in-a-rat-model-of-a-contaminated-intra-articular-implant
#20
Adam I Edelstein, Joseph A Weiner, Ralph W Cook, Danielle S Chun, Emily Monroe, Sean M Mitchell, Abhishek Kannan, Wellington K Hsu, S David Stulberg, Erin L Hsu
BACKGROUND: Periprosthetic joint infection following hip and knee arthroplasty leads to poor outcomes and exorbitant costs. Topical vancomycin powder has been shown to decrease infection in many procedures such as spine surgery. The role of vancomycin powder in the setting of total joint arthroplasty remains undefined. Our aim was to evaluate the efficacy of intra-articular vancomycin powder in preventing infection in a rat model of a contaminated intra-articular implant. METHODS: Thirty-two female Sprague-Dawley rats underwent knee arthrotomy and implantation of a femoral intramedullary wire with 1 mm of intra-articular communication...
February 1, 2017: Journal of Bone and Joint Surgery. American Volume
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