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TKA outcomes

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https://www.readbyqxmd.com/read/29226198/restoration-of-the-mechanical-axis-in-total-knee-artrhoplasty-using-patient-matched-technology-cutting-blocks-a-retrospective-study-of-132-cases
#1
Dimitrios N Lyras, Robert Greenhow, Craig Loucks
Background: The aim of this study is to evaluate the accuracy of bone cuts and the resultant alignment, using the MyKnee patient specific cutting blocks. Methods: We retrospectively reviewed 132 patients undergoing primary TKR for osteoarthritis by one single surgeon. The operative time, the preoperative Hip-Knee-Ankle (HKA) axis based on the CT-scan, the postoperative HKA axis based on long axis standing x-rays, the planned and the actual size of the femoral and the tibial components, and the number of the recuts which has been made intraoperative were measured...
September 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29225426/incidence-and-predictors-of-total-knee-arthroplasty-following-knee-arthroscopy
#2
Tristan Camus, Jiho Han, Feroz Osmani, Norman Scott, William J Long
Objective: The purpose of this study was to determine the effectiveness of knee arthroscopy (KA) in patients with symptomatic meniscal tears or mechanical symptoms and OA, by using conversion to TKA as a final outcome measure. Methods: Retrospective review of all patients with OA who underwent KA in our practice. Results: 1215 KAs were reviewed; 3.9% underwent conversion to TKA at an average of 3.2 years. Conclusion: KA plays a role in delaying TKA in knees with meniscal tears and mechanical symptoms with concurrent OA...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29224993/embolization-of-the-geniculate-arteries-is-an-effective-treatment-of-recurrent-hemarthrosis-following-total-knee-arthroplasty-that-can-be-safely-repeated
#3
Laurens J van Baardewijk, Yvonne L Hoogeveen, Ingrid C M van der Geest, Leo J Schultze Kool
BACKGROUND: Recurrent hemarthrosis is a late complication in up to 1.6% of patients following total knee arthroplasty (TKA). In the absence of intrinsic coagulopathy, one etiology is bleeding of hypertrophic vascular synovium. The aim of this study is to evaluate the clinical outcome of patients referred to our center for angiographic embolization of geniculate arteries for recurrent hemarthrosis following TKA. METHODS: We retrospectively studied a cohort of patients who were referred for geniculate artery embolization following TKA between August 2011 and September 2016...
November 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29223404/computer-assisted-total-knee-arthroplasty-is-there-a-difference-between-image-based-and-imageless-techniques
#4
Reza M Tabatabaee, Mohammad R Rasouli, Mitchell G Maltenfort, Robert Fuino, Camilo Restrepo, Ali Oliashirazi
BACKGROUND: Image-based and imageless computer-assisted total knee arthroplasty (CATKA) has become increasingly popular. This study aims to compare outcomes, including perioperative complications and transfusion rate, between CATKA and conventional total knee arthroplasty (TKA), as well as between image-based and imageless CATKA. METHODS: Using the 9th revision of the International Classification of Diseases codes, we queried the Nationwide Inpatient Sample database from 2005 to 2011 to identify unilateral conventional TKA, image-based, and imageless CATKAs as well as in-hospital complications and transfusion rates...
November 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29223403/older-adults-undergoing-total-hip-or-knee-arthroplasty-chronicling-changes-in-their-multimorbidity-profile-in-the-last-two-decades
#5
Siran M Koroukian, Nicholas K Schiltz, David F Warner, Alison K Klika, Carlos A Higuera-Rueda, Wael K Barsoum
BACKGROUND: Despite the ubiquitous use of total hip arthroplasty (THA) and total knee arthroplasty (TKA) in older adults, little is known about the multimorbidity (MM) profile of this patient population. This study evaluates the temporal trends of MM, hypothesizing that patients with MM have had an increasingly greater representation in THA and TKA patients over time. METHODS: Data on a US representative sample of older adults from the linked Health and Retirement Study and Medicare data from 1993 to 2012 were used...
November 13, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29221841/risk-factors-for-reaching-the-post-operative-transfusion-trigger-in-a-community-primary-total-knee-arthroplasty-population
#6
Stefano A Bini, Jeanne A Darbinian, William T Brox, Monti Khatod
BACKGROUND: Little data exist to evaluate an individual's pre-operative risk of blood transfusion following total knee arthroplasty (TKA). Our aim is to identify the risk factors associated with reaching the transfusion trigger of Hb <8 g/dL (TT8) following surgery and how perioperative tranexamic acid (TXA) affects that outcome. METHODS: Using a retrospective cohort study design, routine, unilateral TKAs performed between 2011 and 2013 in 19 hospitals were reviewed...
December 5, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29221840/a-multicenter-study-of-irrigation-and-debridement-in-total-knee-arthroplasty-periprosthetic-joint-infection-treatment-failure-is-high
#7
Kenneth L Urish, Andrew G Bullock, Alexander M Kreger, Neel B Shah, Kwonho Jeong, Scott D Rothenberger
BACKGROUND: In total knee arthroplasty (TKA) periprosthetic joint infection (PJI), irrigation and debridement (I&D) with component retention is a treatment option with a wide variation in reported failure rates. The purpose of this study was to determine failure rates, outcomes, and factors that predict failure in I&D for TKA PJI. METHODS: A multicenter observational study of patients with a TKA PJI and subsequently undergoing an I&D with retention of components was conducted...
November 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29218070/radiographic-evaluation-of-alignment-following-tka-a-systematic-review
#8
Serban Dragosloveanu, Bogdan Cretu, Stefan Cristea, Cristian Stoica, Calin Dragosloveanu
Postoperative assessment is of paramount importance in primary total knee arthroplasty. A thorough postoperative analysis helps the surgeon anticipate any postoperative potential issues and correlate the preoperative planning with the postoperative result, and provides better understanding of the importance of surgical principles of primary total knee arthroplasty. In addition, postoperative analysis helps the surgeon understand surgical errors and improve future outcomes. Standard radiographs, with a known magnification, should be obtained for postoperative total knee arthroplasty evaluation...
September 2017: Mædica
https://www.readbyqxmd.com/read/29214949/-a-review-on-psychosomatic-factors-affecting-the-outcome-after-total-knee-arthroplasty-tka
#9
Matthias Vogel, Christian Riediger, Sebastian Illiger, Jörg Frommer, Christoph H Lohmann
A review on psychosomatic factors affecting the outcome after total knee-arthroplasty (TKA) Objectives: In today's ageing Western societies, arthroplasty is a common treatment for endstage osteoarthritis. Despite highly developed implants and surgery, however, this treatment does not always succeed in relieving pain and restoring joint function, i.e., in restoring satisfactory algofunction. Clinicians partly blame psychological factors for this discrepancy, especially in the absence of objective medical complications...
December 2017: Zeitschrift Für Psychosomatische Medizin und Psychotherapie
https://www.readbyqxmd.com/read/29204503/bicompartmental-knee-arthroplasty-vs-total-knee-arthroplasty-for-the-treatment-of-medial-compartment-and-patellofemoral-osteoarthritis
#10
Sahil Kooner, Herman Johal, Marcia Clark
Background: Interest in bicompartmental knee arthroplasty (BKA) for the treatment of medial patellofemoral osteoarthritis (MPFOA) has grown in recent years because BKA offers a bone and ligament-preserving alternative to total knee arthroplasty (TKA). BKA only resurfaces the diseased compartments, while preserving proprioception and native knee kinematics. Therefore, the objective of this study is to assess knee function, perioperative morbidity, and implant survivability in patients undergoing BKA vs TKA for MPFOA...
December 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/29204502/preoperative-radiographic-valgus-alignment-predicts-the-extent-of-lateral-soft-tissue-release-and-need-for-constraint-in-valgus-total-knee-arthroplasty
#11
Oren Goltzer, Tommy P Mroz, M'hamed Temkit, Henry D Clarke, Mark J Spangehl
Background: In total knee arthroplasty (TKA) for valgus knees, the decision to use a constrained implant is often made intraoperatively depending on the extent of soft tissue releases performed and residual soft tissue imbalance. The purpose of this study is to determine if preoperative radiographic criteria of valgus knees can predict the extent of soft tissue releases required and the level of constraint needed to balance the knee during TKA. Methods: A single surgeon's 807 consecutive TKA standing hip-knee-ankle radiographs from 2007-2012 were analyzed...
December 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/29204493/comparison-of-adverse-events-rates-and-hospital-cost-between-customized-individually-made-implants-and-standard-off-the-shelf-implants-for-total-knee-arthroplasty
#12
Steven D Culler, Greg M Martin, Alyssa Swearingen
Background: This study compares selected hospital outcomes between patients undergoing total knee arthroplasty (TKA) using either a customized individually made (CIM) implant or a standard off-the-shelf (OTS) implant. Methods: A retrospective review was conducted on 248 consecutive TKA patients treated in a single institution, by the same surgeon. Patients received either CIM (126) or OTS (122) implants. Study data were collected from patients' medical record or the hospital's administrative billing record...
December 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/29200709/total-knee-arthroplasty-in-young-patients-factors-predictive-of-aseptic-failure-in-the-2nd-4th-decade
#13
Tristan Camus, William J Long
Objective: In a recently published article we reviewed our long term outcomes of TKA in young patients (<55) with end stage OA. The purpose of this study was to identify what additional factors may predict aseptic failure in these young patients. Methods: A retrospective review of all patients in our young TKA database was performed, and included failure only for mechanical wear and loosening. Results: The IB-II prosthesis, a thin polyethylene (<9 mm), and higher Knee Society functional class at midterm follow-up was associated with higher failure rate...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29199379/mini-subvastus-versus-medial-parapatellar-approach-for-total-knee-arthroplasty-a-prospective-randomized-controlled-study
#14
Ziyu Li, Wendan Cheng, Liangye Sun, Yunfeng Yao, Qiliang Cao, Shuming Ye, Lei Qi, Shenglin Xu, Xiaosan Wu, Juehua Jing
PURPOSE: Whether minimally invasive total knee arthroplasty (MIS-TKA) could offer better and faster recovery without the deviation of post-operative prosthesis position and limb alignment is still controversial. This prospective and randomized study was conducted to compare the clinical and radiological outcomes between patients who underwent the mini-subvastus approach of MIS-TKA and those who underwent the medial parapatellar approach of traditional TKA. METHODS: Fifty patients, including 50 knees, who required TKA due to osteoarthritis were randomized to the mini-subvastus group (group I) or the medial parapatellar group (group II)...
December 4, 2017: International Orthopaedics
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
#15
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/29199060/total-joint-arthroplasty-in-patients-with-parkinson-s-disease-survivorship-outcomes-and-reasons-for-failure
#16
Alexander J Rondon, Timothy L Tan, Patrick K Schlitt, Max R Greenky, Jessica L Phillips, James J Purtill
BACKGROUND: Gait instability and muscle rigidity are known characteristics of Parkinson's disease (PD), putting PD patients at risk for complications following total joint arthroplasty (TJA). The outcomes of Parkinson's patients undergoing TJA are largely unknown. This study evaluated the outcomes of TJA in this population. METHODS: A single institution retrospective cohort of 123 TJAs (52 hips, 71 knees) from 2000 to 2016 was reviewed. An electronic chart query was performed using International Classification of Diseases, Ninth revision codes to identify this population...
November 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29195851/effect-of-the-referencing-system-on-the-posterior-condylar-offset-and-anterior-flange-bone-contact-in-posterior-cruciate-substituting-total-knee-arthroplasty
#17
O-Sung Lee, Yong Seuk Lee
BACKGROUND: The effect of referencing system on posterior condylar offset (PCO) after total knee arthroplasty (TKA) is still controversial. Moreover, there is a lack of concern about the anterior flange-bone contact according to the referencing system. METHODS: One hundred four TKAs using the anterior referencing (AR) system and 107 TKAs using the posterior referencing (PR) system were analyzed with 2-year follow-up. The PCO, PCO ratio (PCOR), and contact at the anterior flange-bone interface were compared between the 2 groups...
November 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29195849/cementless-posteriorly-stabilized-total-knee-arthroplasty-seven-year-minimum-follow-up-report
#18
Steven F Harwin, Jay M Levin, Anton Khlopas, Prem N Ramkumar, Nicolas S Piuzzi, Martin Roche, Michael A Mont
BACKGROUND: The purpose of this study is to evaluate (1) implant survivorship; (2) patient outcomes; (3) complications; and to (4) perform a radiographic analysis of cementless posteriorly stabilized total knee arthroplasty (TKA) patients at a minimum of 7-year follow-up. METHODS: Our original cohort was composed of 114 consecutive cementless posteriorly stabilized total knee arthroplasties (110 patients) performed by a single surgeon between 2008 and 2010. Since our original report, 4 (1 bilateral) patients died and 2 were lost to follow-up...
November 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29193440/mid-term-outcomes-and-complications-of-total-knee-arthroplasty-in-haemophilic-arthropathy-a-review-of-consecutive-131-knees-between-2006-and-2015-in-a-single-institute
#19
S J Song, J K Bae, C H Park, M C Yoo, D K Bae, K I Kim
INTRODUCTION: Although total knee arthroplasty (TKA) in haemophilic arthropathy can reduce severe joint pain and improve functional disability, it is technically demanding. AIM: To evaluate mid-term outcomes and complications of TKA in haemophilic arthropathy. METHODS: This study retrospectively reviewed 131 consecutive primary TKAs in a single institute. The mean age was 41.0 years old, and the mean follow-up period was 6.8 years. Clinical and radiographic results were evaluated...
November 29, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/29192933/short-term-outcomes-of-total-knee-arthroplasty-performed-at-an-orthopedic-specialty-hospital
#20
Eric M Padegimas, Tyler M Kreitz, Benjamin Zmistowski, Seth L Teplitsky, Surena Namdari, James J Purtill, William J Hozack, Antonia F Chen
This study compared perioperative outcomes for total knee arthroplasty (TKA) at an orthopedic specialty hospital and a tertiary referral center. The authors identified all primary TKA procedures performed in 2014 at the 2 facilities. Each patient at the orthopedic specialty hospital was manually matched to a patient at the tertiary referral center according to demographic and clinical variables. Matching was blinded to outcomes. Outcomes were 90-day readmission, mortality rate, reoperation, length of stay, and use of inpatient rehabilitation...
November 30, 2017: Orthopedics
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