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https://www.readbyqxmd.com/read/29206786/same-day-discharge-compared-with-inpatient-hospitalization-following-hip-and-knee-arthroplasty
#1
COMPARATIVE STUDY
Bryce A Basques, Matthew W Tetreault, Craig J Della Valle
BACKGROUND: Discharge from the hospital on the day of (same-day) hip and knee arthroplasties has become more common; however, to our knowledge, few studies have compared morbidity between same-day and inpatient surgical procedures. The aims of this study were to compare matched cohorts of patients who underwent same-day and inpatient hip or knee arthroplasty in terms of postoperative complications and 30-day readmission rates. METHODS: Patients who underwent primary elective total hip arthroplasty, total knee arthroplasty, or unicompartmental knee arthroplasty from 2005 to 2014 were identified from the National Surgical Quality Improvement Program registry...
December 6, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29203354/unicompartmental-knee-arthroplasty-vs-high-tibial-osteotomy-for-knee-osteoarthritis-a-systematic-review-and-meta-analysis
#2
ZhenWu Cao, XiuJun Mai, Jun Wang, EnHui Feng, YongMing Huang
BACKGROUND: Prior studies have compared unicompartmental knee arthroplasty (UKA) with high tibial osteotomy (HTO) suggesting that both procedures had good clinical outcomes. However, which treatment is more beneficial for unicompartmental knee osteoarthritis is still a controversy. The purpose of our study is to obtain postoperative outcomes of revision rate, complications, function results, range of motion (ROM), and pain between the 2 procedures. METHODS: Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines were followed and study protocol was published online at PROSPERO under registration number CRD42016049316...
December 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29201296/predictors-of-midterm-outcomes-after-medial-unicompartmental-knee-arthroplasty-in-asians
#3
Hamid Rahmatullah Bin Abd Razak, Sanchalika Acharyya, Shi-Ming Tan, Hee-Nee Pang, Keng-Jin Darren Tay, Shi-Lu Chia, Ngai-Nung Lo, Seng-Jin Yeo
Background: This study was designed to evaluate predictors of good outcomes following medial unicompartmental knee arthroplasty (UKA) in Asian patients. Methods: Registry data of patients who underwent primary unilateral medial UKA from 2006 to 2011 were collected. Outcomes studied were the Oxford Knee Score (OKS) and the Physical Component Score (PCS) of the Short Form 36 (SF-36) questionnaire. These outcome scores were collected prospectively, pre- and postoperatively up to 5 years...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29199061/should-medicare-remove-total-knee-arthroplasty-from-its-inpatient-only-list-a-total-knee-arthroplasty-is-not-a-partial-knee-arthroplasty
#4
P Maxwell Courtney, Mark I Froimson, R Michael Meneghini, Gwo-Chin Lee, Craig J Della Valle
BACKGROUND: The Centers for Medicare and Medicaid Services have solicited comments to consider removing total knee arthroplasty (TKA) from the Inpatient Only list, as it has done for unicompartmental knee arthroplasty (UKA). The purpose of this study is to determine whether Medicare-aged patients undergoing TKA had comparable outcomes to those undergoing UKA. METHODS: We queried the American College of Surgeons-National Surgical Quality Improvement Program database for all patients aged 65 years or older who underwent elective TKA or UKA from 2014 and 2015...
November 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29185781/osteochondral-allograft-transplantation-of-the-knee-in-patients-aged-40-years-and-older
#5
Dean Wang, Vivek Kalia, Claire D Eliasberg, Tim Wang, Francesca R Coxe, Mollyann D Pais, Scott A Rodeo, Riley J Williams
BACKGROUND: Treatment of large chondral defects of the knee among patients aged ≥40 years remains a difficult clinical challenge owing to preexisting joint degeneration and the lack of treatment options short of arthroplasty. PURPOSE: To characterize the survivorship, predictors of failure, and clinical outcomes of osteochondral allograft transplantation (OCA) of the knee among patients aged ≥40 years. STUDY DESIGN: Case series; Level of evidence, 4...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29185005/larger-range-of-motion-and-increased-return-to-activity-but-higher-revision-rates-following-unicompartmental-versus-total-knee-arthroplasty-in-patients-under-65-a-systematic-review
#6
REVIEW
Laura J Kleeblad, Jelle P van der List, Hendrik A Zuiderbaan, Andrew D Pearle
PURPOSE: Due to the lack of comparative studies, a systematic review was conducted to determine revision rates of unicompartmental and total knee arthroplasty (UKA and TKA), and compare functional outcomes, range of motion and activity scores in patients less than 65 years of age. METHODS: A literature search was performed using PubMed, Embase, and Cochrane systems since 2000. 27 UKA and 33 TKA studies were identified and included. Annual revision rate (ARR), functional outcomes, and return to activity were assessed for both types of arthroplasty using independent t tests...
November 28, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29175672/effect-of-minimally-invasive-implantation-of-unicompartmental-knee-arthroplasty-on-cement-penetration-and-biomechanical-stability-an-experimental-study-in-human-tibiae
#7
C Scheele, M F Pietschmann, C Schröder, T Grupp, M Holderied, V Jansson, P E Müller
No abstract text is available yet for this article.
November 16, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29167979/good-results-with-minimally-invasive-unicompartmental-knee-resurfacing-after-10-year-follow-up
#8
Martin H Redish, Peter Fennema
The current study was designed to determine (1) 10-year implant survival and (2) patient's self-reported functional outcome in a single surgeon's consecutive cohort of patients who had undergone minimally invasive unicondylar resurfacing with a modified cementation technique utilizing a cobalt-chromium femur/inlaid all-PE tibia, fixed-bearing unicompartmental prosthesis. We included 344 consecutive patients (361 knees) who had received the study device between January 2002 and December 2005 in this retrospective study...
November 22, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29162608/robotic-arm-assisted-versus-conventional-unicompartmental-knee-arthroplasty-exploratory-secondary-analysis-of-a-randomised-controlled-trial
#9
M J G Blyth, I Anthony, P Rowe, M S Banger, A MacLean, B Jones
OBJECTIVES: This study reports on a secondary exploratory analysis of the early clinical outcomes of a randomised clinical trial comparing robotic arm-assisted unicompartmental knee arthroplasty (UKA) for medial compartment osteoarthritis of the knee with manual UKA performed using traditional surgical jigs. This follows reporting of the primary outcomes of implant accuracy and gait analysis that showed significant advantages in the robotic arm-assisted group. METHODS: A total of 139 patients were recruited from a single centre...
November 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/29153865/treatments-of-missing-values-in-large-national-data-affect-conclusions-the-impact-of-multiple-imputation-on-arthroplasty-research
#10
Nathaniel T Ondeck, Michael C Fu, Laura A Skrip, Ryan P McLynn, Edwin P Su, Jonathan N Grauer
BACKGROUND: Despite the advantages of large, national datasets, one continuing concern is missing data values. Complete case analysis, where only cases with complete data are analyzed, is commonly used rather than more statistically rigorous approaches such as multiple imputation. This study characterizes the potential selection bias introduced using complete case analysis and compares the results of common regressions using both techniques following unicompartmental knee arthroplasty...
October 26, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29147743/low-implant-migration-of-the-sigma-%C3%A2-medial-unicompartmental-knee-arthroplasty
#11
Daan Koppens, Maiken Stilling, Stig Munk, Jesper Dalsgaard, Søren Rytter, Ole Gade Sørensen, Torben Bæk Hansen
PURPOSE: The purpose of this study was to evaluate implant migration of the fixed-bearing Sigma(®) medial unicompartmental knee arthroplasty (UKA). UKA is a regularly used treatment for patients with medial osteoarthritis (OA) of the knee. UKA has a higher revision rate than total knee arthroplasty. Implant migration can be used as a predictor of implant loosening. METHODS: A prospective radiostereometric cohort study was performed. Forty-five patients with medial OA of the knee were included and received a cemented Sigma(®) UKA...
November 16, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29145987/outpatient-total-knee-arthroplasty-are-we-there-yet-part-2
#12
REVIEW
Andrew Krause, Zain Sayeed, Mouhanad El-Othmani, Vinay Pallekonda, William Mihalko, Khaled J Saleh
The method by which surgeons conduct outpatient total knee procedures has yet to be fully elucidated. Literature demonstrates different experiences from various care protocols in place across the nation. This article reviews current recommendations for implementing successful total knee arthroplasty (TKA) and unicompartmental knee arthroplasty outpatient protocols. Specifically, information regarding anesthesia and analgesia modalities, perioperative care, operative technique, and postoperative care within outpatient TKA pathways is discussed...
January 2018: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/29145977/outpatient-total-knee-arthroplasty-are-we-there-yet-part-1
#13
REVIEW
Andrew Krause, Zain Sayeed, Mouhanad El-Othmani, Vinay Pallekonda, William Mihalko, Khaled J Saleh
Recent trends in total joint care have moved toward outpatient surgery. Total knee arthroplasty (TKA) remains a definitive management for end-stage osteoarthritis and has experienced increased utilization over the past several decades. The method by which surgeons conduct outpatient total knee procedures has yet to be fully elucidated as different institutions report different experiences from their pathways. This article will discuss current data and recommendations for implementing successful TKA and unicompartmental knee arthroplasty outpatient protocols...
January 2018: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/29129614/mid-term-clinical-functional-and-radiographic-outcomes-of-105-gender-specific-patellofemoral-arthroplasties-with-or-without-the-association-of-medial-unicompartmental-knee-arthroplasty
#14
Sergio Romagnoli, Matteo Marullo
BACKGROUND: The purpose of this study is to evaluate clinical and radiographic outcomes after gender-specific patellofemoral arthroplasty (PFA) either isolated or combined with unicompartmental knee arthroplasty (UKA). METHODS: A total of 105 PFAs in 85 patients were reviewed: 64 knees had isolated patellofemoral osteoarthritis and received an isolated PFA, and 41 knees with bicompartmental osteoarthritis were treated with medial UKA and PFA. Preoperative and postoperative clinical and functional assessment included knee range of motion, Knee Society Score, University of California Los Angeles Activity Score, Tegner Activity Level Scale, and visual analogue scale pain...
October 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29124288/the-medial-tibial-joint-line-elevation-over-5%C3%A2-mm-restrained-the-improvement-of-knee-extension-angle-in-unicompartmental-knee-arthroplasty
#15
Koji Takayama, Kazunari Ishida, Hirotsugu Muratsu, Yuichi Kuroda, Masanori Tsubosaka, Shingo Hashimoto, Shinya Hayashi, Takehiko Matsushita, Takahiro Niikura, Ryosuke Kuroda, Tomoyuki Matsumoto
PURPOSE: The purpose of this study was to examine the relationship between medial tibial joint line elevation and the improvement of range of motion (ROM) in unicompartmental knee arthroplasty (UKA). The hypothesis was that limited elevation of tibial joint line will improve knee range of motion in UKA. METHODS: Forty-six consecutive medial UKAs were enrolled in this study. Medial tibial joint line elevation was defined as the polyethylene insert and tibial tray thickness minus the tibial osteotomy and sawblade thickness...
November 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29121696/quadriceps-and-hamstring-muscle-strength-improves-after-unicompartmental-knee-arthroplasty
#16
Jennifer Kurowicki, Anton Khlopas, Nipun Sodhi, Jared M Newman, Assem A Sultan, Morad Chughtai, Anil Bhave, Martin Roche, Peter M Bonutti, Michael A Mont
INTRODUCTION: The ability to reach functional capacity following knee arthroplasty depends on the strength of the quadriceps and hamstring muscles. Following total knee arthroplasty, weakness of these muscles can persist for up to one year postoperatively; however, this phenomenon is not well-studied in unicompartmental knee arthroplasty (UKA) patients. Therefore, we assessed: 1) quadriceps muscle strength; 2) hamstring muscle strength; and 3) correlation to functional outcomes. MATERIALS AND METHODS: A review of all patients with medial compartment osteoarthritis treated with UKA at a minimum of one-year follow-up was performed...
November 9, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29114630/unicompartmental-knee-arthroplasty-modes-of-failure-and-conversion-to-total-knee-arthroplasty
#17
REVIEW
Michele Vasso, Katia Corona, Rocco D'Apolito, Giuseppe Mazzitelli, Alfredo Schiavone Panni
Despite the excellent success rates of the modern unicompartmental knee arthroplasty (UKA), results of knee replacement registries still shows a relatively high revision and failure rate for UKA, especially when compared with traditional total knee arthroplasty (TKA). Bearing dislocation continues to be advocated as the predominant mechanism of failure in mobile UKA, whereas polyethylene wear and aseptic loosening remains the main cause of failure of fixed UKA. Degeneration of the unreplaced compartments has been reported in both mobile and fixed designs...
March 2017: Joints
https://www.readbyqxmd.com/read/29113757/eight-hundred-twenty-five-medial-mobile-bearing-unicompartmental-knee-arthroplaties-the-first-10-year-us%C3%A2-multi-center-survival-analysis
#18
Omar K Alnachoukati, John W Barrington, Keith R Berend, Michael C Kolczun, Roger H Emerson, Adolph V Lombardi, David R Mauerhan
BACKGROUND: FDA approval for the Oxford phase III device was approved for use in the United States in 2004. This study seeks to provide the first long-term, large patient sample size, Oxford phase III multi-site survivorship study in the United States, investigating patient reported outcomes of pain and function, while also providing an in-depth analysis of causes for revision, and finally addressing recent advancements that can help aid the unicompartmental knee arthroplasty (UKA) process and further improve partial knee survivorship...
October 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29103779/is-outpatient-unicompartmental-knee-arthroplasty-safe-to-perform-at-an-ambulatory-surgery-center-a-comparative-study-of-early-post-operative-complications
#19
John P Cody, Kiel J Pfefferle, Deborah J Ammeen, Kevin B Fricka
BACKGROUND: Unicompartmental knee arthroplasty (UKA) lends itself to the outpatient surgical setting. Prior literature has established a low rate of readmission and post-operative complications when performed in a hospital outpatient setting (HOP). To our knowledge, there have been no studies comparing complications of UKA performed at an ambulatory surgery center (ASC) and those in a HOP. METHODS: We retrospectively reviewed all patients who underwent outpatient UKA by a single surgeon from 2012 to 2016...
October 10, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29103778/reduced-bearing-excursion-after-mobile-bearing-unicompartmental-knee-arthroplasty-is-associated-with-poor-functional-outcomes
#20
Naman Wahal, Sahil Gaba, Rajesh Malhotra, Vijay Kumar, Elise C Pegg, Hemant Pandit
BACKGROUND: A small proportion of patients with mobile unicompartmental knee arthroplasty (UKA) report poor functional outcomes in spite of optimal component alignment on postoperative radiographs. The purpose of this study is to assess whether there is a correlation between functional outcome and knee kinematics. METHODS: From a cohort of consecutive cases of 150 Oxford medial UKA, patients with fair/poor functional outcome at 1-year postsurgery (Oxford Knee Score [OKS] < 34, n = 15) were identified and matched for age, gender, preoperative clinical scores, and follow-up period with a cohort of patients with good/excellent outcome (OKS ≥ 34, n = 15)...
October 6, 2017: Journal of Arthroplasty
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