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https://www.readbyqxmd.com/read/29232265/the-value-of-preoperative-exercise-and-education-for-patients-undergoing-total-hip-and-knee-arthroplasty-a-systematic-review-and-meta-analysis
#1
Rebecca Moyer, Kathy Ikert, Kristin Long, Jacquelyn Marsh
BACKGROUND: Existing evidence regarding the value of preoperative education and/or exercise (prehabilitation) for patients undergoing total joint replacement is conflicting. The purpose of this study was to conduct an updated, comprehensive systematic review with meta-analyses to determine the longitudinal effects and efficacy of prehabilitation on postoperative outcomes in patients undergoing total hip arthroplasty (THA) or total knee arthroplasty (TKA). METHODS: We searched 11 electronic databases (MEDLINE, AMED, CINAHL, Embase, Scopus, ProQuest, PEDro, SportDiscus, PsycINFO, and Cochrane) from their inception to May 2016 for randomized controlled trials that compared changes in pain, function, strength, anxiety, and hospital length of stay following THA or TKA...
December 12, 2017: JBJS Reviews
https://www.readbyqxmd.com/read/29232186/cemented-or-cementless-total-knee-arthroplasty-comparative-results-of-200-cases-at-a-minimum-follow-up-of-11-years
#2
Jean-Louis Prudhon, Régis Verdier
INTRODUCTION: Since 1996 we have been using cementless fixation with hydroxyapatite (HA) coating. The purpose of this paper is to compare survivorship of a series of 100 cemented Total Knee Arthroplasty (TKA) to a similar series of 100 cementless with a follow up of 11-16 years. Material methods: Both TKA are mobile bearing total knee postero-stabilized. They can be used with cement or without cement. Among 1030 New Wave TKATM implanted from 2002 to 2015 we have identified 100 cemented TKAs and 100 cementless TKAs...
2017: SICOT-J
https://www.readbyqxmd.com/read/29229416/comparison-of-arthroscopic-and-conservative-treatments-for-knee-osteoarthritis-a-5-year-retrospective-comparative-study
#3
Xiangzheng Su, Chunbao Li, Weixiong Liao, Jianheng Liu, Hao Zhang, Ji Li, Zhongli Li
PURPOSE: To compare the effectiveness of arthroscopic and conservative treatments in patients with knee osteoarthritis (KOA) with 5 years of follow-up. METHODS: Patients diagnosed with Kellgren-Lawrence grade 2 to 4 KOA who underwent arthroscopic or conservative treatment from May 2005 to May 2012 were included. The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) total score was collected 1, 2, 3, 4, and 5 years after the initial treatment, and the number of patients who underwent total knee arthroplasty (TKA) at every time point was recorded...
December 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29226208/brucella-arthritis-following-total-knee-arthroplasty-in-a-patient-with-hemophilia-a-case-report
#4
Seyed Mohammad J Mortazavi, Mohammad R Sobhan, Hamed Mazoochy
Total knee arthroplasty (TKA) is a rewarding procedure in patients with hemophilia and end stage knee hemophilic arthropathy. However, this procedure might be associated with complications such as infection. There periprosthetic joint infection in patients with hemophilia is very well known, though we are not aware of any previous report on Brucella infection in this group of patients. Here, we reported a 28-year old man with Brucella infection of total knee replacement who initially underwent a conservative treatment followed bya two-stage revision...
September 2017: Archives of Bone and Joint Surgery
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
#5
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
#6
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/29225424/parametric-analysis-of-electromechanical-and-fatigue-performance-of-total-knee-replacement-bearing-with-embedded-piezoelectric-transducers
#7
Mohsen Safaei, R Michael Meneghini, Steven R Anton
Total knee arthroplasty (TKA) is a common procedure in the United States; it has been estimated that about 4 million people are currently living with primary knee replacement in this country. Despite huge improvements in material properties, implant design, and surgical techniques, some implants fail a few years after surgery. A lack of information about in vivo kinetics of the knee prevents the establishment of a correlated intra- and postoperative loading pattern in knee implants. In this study, a conceptual design of an ultra high molecular weight (UHMW) knee bearing with embedded piezoelectric transducers is proposed, which is able to measure the reaction forces from knee motion as well as harvest energy to power embedded electronics...
September 2017: Smart Materials & Structures
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
#8
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/29224991/femoral-component-axial-rotation-in-the-gap-balancing-approach-to-total-knee-arthroplasty-measurement-by-computed-tomography
#9
André Y Aihara, Fabiano N Cardoso, Pedro Debiex, Antonio M Castro, Marcus V M Luzo, Artur R C Fernandes
BACKGROUND: Rotational malalignment of total knee arthroplasty (TKA) is a potential cause for revision surgery; therefore, it is important to have valid criteria for evaluation of normal component rotational alignment. Because computed tomography (CT) is considered the most accurate method to assess the rotational alignment of prosthetic components, the objectives in this study were define the femoral component (FC) rotation by measuring the posterior condylar angle (PCA) and the condylar twist angle (CTA) in a patient population that underwent gap-balancing TKA; determine the reliability of the FC rotation by using these measurements; evaluate the inter-relationship between the PCA and CTA; and finally evaluate the frequency and agreement in identification of the medial epicondyle sulcus (MES)...
December 7, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29223778/differences-in-trochlear-parameters-between-native-and-prosthetic-kinematically-or-mechanically-aligned-knees
#10
C Rivière, F Iranpour, S Harris, E Auvinet, A Aframian, S Parratte, J Cobb
INTRODUCTION: Kinematic (KA) and mechanical (MA) alignment techniques are two different philosophies of implant positioning that use the same TKA implants. This might generate differences in the resulting prosthetic trochlea parameters between the two techniques of alignment. Our study aim was to test the following hypotheses: 1) Mechanically or kinematically aligned femoral implant understuffs the native trochlear articular surface and poorly restores the native groove orientation, and 2) The orientation of the prosthetic trochlear groove and trochlear fill are different between MA and KA...
December 6, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29223404/computer-assisted-total-knee-arthroplasty-is-there-a-difference-between-image-based-and-imageless-techniques
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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/29212683/-hot-joints-infection-protocol-reduces-unnecessary-post-operative-re-admissions-following-total-hip-and-knee-arthroplasty
#17
J Dattilo, D Gittings, M Sloan, R Charette, E Hume, G-C Lee
AIMS: To evaluate the effectiveness of an institutionally developed algorithm for evaluation and diagnosis of prosthetic joint injection and to determine the impact of this protocol on overall hospital re-admissions.p PATIENTS AND METHODS: We retrospectively evaluated 2685 total hip arthroplasty (THA) and total knee arthroplasty (TKA) patients prior to (1263) and following (1422) the introduction of an infection detection protocol. The protocol used conservative thresholds for C-reactive protein to direct the medical attendant to aspirate the joint...
December 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/29209807/clinical-relevance-of-active-straight-leg-raising-standing-up-and-walking-after-total-knee-arthroplasty-in-a-cross-sectional-study
#18
Yoshinori Ishii, Hideo Noguchi, Junko Sato, Hana Ishii, Takeshi Yamamoto, Tetsuya Sakurai, Shin-Ichi Toyabe
BACKGROUND: Active straight leg raising (ASLR) is used to assess restoration of the quadriceps muscle immediately after total knee arthroplasty (TKA). This study aimed to (1) compare the times required to accomplish ASLR, standing up, and walking after TKA, and (2) evaluate the correlation between the time required to accomplish ASLR and perioperative patient-related factors. METHODS: This cross-sectional study included 271 patients (335 primary TKAs performed using the conventional medial parapatellar approach)...
December 5, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29208310/equivalent-mortality-and-complication-rates-following-periprosthetic-distal-femur-fractures-managed-with-either-lateral-locked-plating-or-a-distal-femoral-replacement
#19
Jason S Hoellwarth, Mitchell S Fourman, Lawrence Crossett, Mark Goodman, Peter Siska, Gele B Moloney, Ivan S Tarkin
INTRODUCTION: Management of distal femur fractures above total knee arthroplasty (TKA) remains challenging. Two common surgical options are locked lateral plating (LLP) and distal femoral arthroplasty (DFR). Unfortunately, approximately 30-50% of patients may die within one year of injury, require further surgery, or not regain prior mobility performance. We compared 87 LLP to 53 DFR patients - to our knowledge the largest comparative study - focusing on 90- and 365-day mortality, mobility maintenance, and further surgery...
December 1, 2017: Injury
https://www.readbyqxmd.com/read/29206787/outpatient-total-knee-arthroplasty-is-associated-with-higher-risk-of-perioperative-complications
#20
Armin Arshi, Natalie L Leong, Anthony D'Oro, Christopher Wang, Zorica Buser, Jeffrey C Wang, Kristofer J Jones, Frank A Petrigliano, Nelson F SooHoo
BACKGROUND: As concerns regarding health-care expenditure in the U.S. remain at the national forefront, outpatient arthroplasty is an appealing option for carefully selected patient populations. The purpose of this study was to determine the nationwide trends and complication rates associated with outpatient total knee arthroplasty (TKA) in comparison with standard inpatient TKA. METHODS: We performed a retrospective review of the Humana subset of the PearlDiver Patient Record Database to identify patients who had undergone TKA (Current Procedural Terminology [CPT] code 27447) as either outpatients or inpatients from 2007 to 2015...
December 6, 2017: Journal of Bone and Joint Surgery. American Volume
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