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https://www.readbyqxmd.com/read/28318932/patellar-instability-treated-with-distal-femoral-osteotomy
#1
Ishaan Swarup, Osama Elattar, S Robert Rozbruch
BACKGROUND: Patellar instability can cause significant disability in both pediatric and adult patients, and it is associated with several factors including genu valgum. In this study, we describe the role of a lateral opening wedge distal femoral osteotomy (DFO) combined with lateral retinacular release in addressing genu valgum with associated patellar instability. The rationale for this approach is to medialize the patellar tendon insertion and decrease the Q angle with DFO. METHODS: A consecutive series of patients were studied, and our outcomes of interest included improvements in radiographic measures and patient outcomes...
March 17, 2017: Knee
https://www.readbyqxmd.com/read/28299385/no-impact-of-under-correction-and-joint-line-obliquity-on-clinical-outcomes-of-total-knee-arthroplasty-for-the-varus-knee
#2
Richard D Rames, Michael Mathison, Zachary Meyer, Robert L Barrack, Denis Nam
PURPOSE: It has been hypothesized that under-correction of a preoperative varus deformity may be more natural and improve outcomes after total knee arthroplasty (TKA). This study's purpose was to assess the impact of hip-knee-ankle (HKA) alignment and joint line obliquity on TKA outcomes for the varus knee. METHODS: All patients with a preoperative varus deformity received both preoperative and postoperative standing, full-length radiographs from which two independent observers performed radiographic measurements including the HKA axis and mechanical medial proximal tibial angle (mMPTA)...
March 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28291891/effect-of-inpatient-rehabilitation-vs-a-monitored-home-based-program-on-mobility-in-patients-with-total-knee-arthroplasty-the-hiho-randomized-clinical-trial
#3
Mark A Buhagiar, Justine M Naylor, Ian A Harris, Wei Xuan, Friedbert Kohler, Rachael Wright, Renee Fortunato
Importance: Formal rehabilitation programs, including inpatient programs, are often assumed to optimize recovery among patients after undergoing total knee arthroplasty. However, these programs have not been compared with any outpatient or home-based programs. Objective: To determine whether 10 days of inpatient rehabilitation followed by a monitored home-based program after total knee arthroplasty provided greater improvements than a monitored home-based program alone in mobility, function, and quality of life...
March 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28258177/stem-cell-injections-in-knee-osteoarthritis-a-systematic-review-of-the-literature
#4
REVIEW
Haiko Imfl Pas, Marinus Winters, Hidde J Haisma, Martinus Jj Koenis, Johannes L Tol, Maarten H Moen
OBJECTIVE: Stem cell injection for knee osteoarthritis (KOA) is an emerging new therapy, and we aimed to review its evidence of efficacy. DESIGN: Systematic review. ELIGIBILITY CRITERIA: Criteria for eligibility were randomised controlled trials (RCTs) and non-RCT on the efficacy of stem cell injections in KOA. All references were checked for missed articles. DATA SOURCES: MEDLINE, EMBASE, CINAHL, Web of Science, Cochrane Library, PEDro and SPORTDiscus were searched...
March 3, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28253943/the-importance-of-patellar-resurfacing-in-total-knee-arthroplasty-for-symptomatic-valgus-degenerative-deformity
#5
O B Vukadin, Z B Blagojević, Z Lj Baščarević, N S Slavković, V Stevanović, B D Vukomanović
PURPOSE OF THE STUDY Patellar surface replacement during total knee arthroplasty is still a matter of discussion among orthopedic surgeons. The purpose of this study was to examine possible benefits of patellar surface replacement in selected patients with symptomatic degenerative valgus deformity. We have not found any studies in the literature that compare the results of patella management solely for valgus or varus knee deformity nor those that compare both. MATERIAL AND METHODS Patients were randomly assigned to a group that would receive patellar surface replacement during total knee arthroplasty and a group of patients in whom total knee arthroplasty was performed without patellar surface replacement...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28253923/patient-reported-health-outcomes-after-total-hip-and-knee-surgery-in-a-dutch-university-hospital-setting-results-of-twenty-years-clinical-registry
#6
Philip J van der Wees, Joost J G Wammes, Reinier P Akkermans, Jan Koetsenruijter, Gert P Westert, Albert van Kampen, Gerjon Hannink, Maarten de Waal-Malefijt, B Willem Schreurs
BACKGROUND: Patient-Reported Outcome (PRO) measurement is a method for measuring perceptions of patients on their health and quality of life. The aim of this paper is to present the results of PRO measurements in total hip and knee replacement as routinely collected during 20 years of surgery in a university hospital setting. METHODS: Data of consecutive patients between 1993 and 2014 were collected. Health outcomes were measured pre-surgery and at 3, 6, and 12 months post-surgery...
March 3, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28249832/supporting-the-delivery-of-total-knee-replacements-care-for-both-patients-and-their-clinicians-with-a-mobile-app-and-web-based-tool-randomized-controlled-trial-protocol
#7
M Sazzad Hussain, Jane Li, Emily Brindal, Yasmin van Kasteren, Marlien Varnfield, Andrew Reeson, Shlomo Berkovsky, Jill Freyne
BACKGROUND: Total knee replacement (TKR) surgeries have increased in recent years. Exercise programs and other interventions following surgery can facilitate the recovery process. With limited clinician contact time, patients with TKR have a substantial burden of self-management and limited communication with their care team, thus often fail to implement an effective rehabilitation plan. OBJECTIVE: We have developed a digital orthopedic rehabilitation platform that comprises a mobile phone app, wearable activity tracker, and clinical Web portal in order to engage patients with self-management tasks for surgical preparation and recovery, thus addressing the challenges of adherence to and completion of TKR rehabilitation...
March 1, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28238584/perioperative-and-early-postoperative-comparison-of-a-modern-cemented-and-cementless-total-knee-arthroplasty-of-the-same-design
#8
Denis Nam, Judith E Kopinski, Zachary Meyer, Richard D Rames, Ryan M Nunley, Robert L Barrack
BACKGROUND: Cementless total knee arthroplasty (TKA) designs that incorporate a highly porous, titanium surface have the potential to achieve biologic fixation and improve component survivorship. This study's purpose was to compare perioperative and early postoperative outcomes of a cemented vs cementless TKA of the same design. METHODS: This was a retrospective review of a consecutive series of TKAs performed at a single institution using a cemented or cementless TKA of the same design (Triathlon, Stryker Inc, Mahwah, NJ)...
February 7, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28229182/outpatient-unicompartmental-knee-arthroplasty-who-is-afraid-of-outpatient-surgery
#9
Alexander Hoorntje, Koen L M Koenraadt, Margreet G Boevé, Rutger C I van Geenen
PURPOSE: In recent years, duration of hospitalisation after knee arthroplasty has decreased and fast track and outpatient surgery protocols have been developed. Studies have shown that outpatient surgery is feasible, safe, and cost effective. However, the psychological well-being of patients undergoing outpatient surgery has never been described before. The purpose of this study was to investigate how patients experience outpatient surgery for unicompartmental knee arthroplasty (UKA), examining levels of anxiety and depression, satisfaction, and pain...
March 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28211301/early-results-of-patellofemoral-inlay-resurfacing-arthroplasty-using-the-hemicap-wave-prosthesis
#10
Akash Patel, Zakir Haider, Amarjit Anand, Dominic Spicer
BACKGROUND: Common surgical treatment options for isolated patellofemoral osteoarthritis include arthroscopic procedures, total knee replacement and patellofemoral replacement. The HemiCap Wave patellofemoral resurfacing prosthesis is a novel inlay design introduced in 2009 with scarce published data on its functional outcomes. We aim to prospectively evaluate early functional outcomes and complications, for patients undergoing a novel inlay resurfacing arthroplasty for isolated patellofemoral arthrosis in an independent centre...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28210821/p-f-c-sigma-%C3%A2-cruciate-retaining-fixed-bearing-versus-mobile-bearing-knee-arthroplasty-a-prospective-comparative-study-with-minimum-10-year-follow-up
#11
O Riaz, A Aqil, G Sisodia, G Chakrabarty
AIMS: To prospectively compare long-term clinical and radiological outcomes following a cruciate retaining fixed-bearing (FB) and a mobile-bearing (MB) primary total knee replacement (TKR). METHODS: We prospectively reviewed 113 TKRs in 99 patients (14 bilateral) with a PFC sigma cruciate retaining rotating platform system, at an average follow-up of 11.1 years (range 10-12). Results were contrasted with those from 89 TKRs in 72 patients (17 bilateral) with a PFC sigma cruciate fixed-bearing prosthesis, at an average follow-up of 12...
February 16, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28210787/articular-surface-mounted-navigated-total-knee-arthroplasty-improves-the-reliability-of-component-alignment
#12
N D Clement, D MacDonald, A G Burgess, C R Howie
PURPOSE: The primary aim was to compare the early knee-specific functional outcome after articular surface mounted (ASM) navigation with non-navigated TKA. The secondary aims were to compare general physical and mental health improvement, patient satisfaction, and reliability of component alignment in the sagittal and coronal planes between ASM navigated TKA with that of non-navigated TKA. METHODS: Prospective functional outcome and radiographic data were collect for 123 patients undergoing ASM navigation and 172 patients undergoing non-navigated TKA by a high volume single surgeon...
February 16, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28210786/females-younger-patients-and-patients-with-high-bmi-have-the-highest-pre-operative-knee-awareness-measured-using-the-forgotten-joint-score
#13
Dana Li, A Troelsen, L Ingelsrud, H Husted, K Gromov
PURPOSE: The Forgotten Joint Score (FJS) is a novel measurement for patients' awareness of their knee in daily life. By identifying factors that could explain pre-operative FJS levels, the clinician could better prioritize and single out patients who would benefit most from TKA. The aim of this study was to identify possible factors that may explain the variance of pre-operative FJS levels and evaluate the relationship between pre-operative FJS and pre-operative Oxford Knee Score (OKS)...
February 16, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28178956/translation-and-validation-of-the-12-item-oxford-knee-score-for-use-in-finland
#14
Aleksi Reito, Anni Järvistö, Esa Jämsen, Eerik Skyttä, Ville Remes, Heini Huhtala, Mika Niemeläinen, Antti Eskelinen
BACKGROUND: The focus in the reporting of results after total knee replacement (TKR) has changed from surgeon/radiologist-based scores to patient-reported outcome measures (PROMs). The questionnaires used in subjective outcome are often originally published in English and need to be validated in different languages. The aim of our study was to investigate the feasibility, validity, reliability, and responsiveness of the Finnish language version of the Oxford Knee Score (OKS-S) questionnaire...
February 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28162839/a-systematic-review-of-measurement-properties-of-patient-reported-outcome-measures-used-in-patients-undergoing-total-knee-arthroplasty
#15
Joel J Gagnier, Megan Mullins, Hsiaomin Huang, Danica Marinac-Dabic, Anna Ghambaryan, Benjamin Eloff, Faisal Mirza, Manuel Bayona
BACKGROUND: While clinical research on total knee arthroplasty (TKA) outcomes is prevalent in the literature, studies often have poor methodological and reporting quality. A high-quality patient-reported outcome instrument is reliable, valid, and responsive. Many studies evaluate these properties, but none have done so with a systematic and accepted method. The objectives of this study were to identify patient-reported outcome measures (PROMs) for TKA, and to critically appraise, compare, and summarize their psychometric properties using accepted methods...
January 10, 2017: Journal of Arthroplasty
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
#16
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/28143683/a-long-term-clinical-outcome-of-the-medial-pivot-knee-arthroplasty-system
#17
George A Macheras, Spyridon P Galanakos, Panagiotis Lepetsos, Panagiotis P Anastasopoulos, Stamatios A Papadakis
BACKGROUND: The ideal total knee arthroplasty (TKA) should provide maximum range of motion and functional stability for all desired daily activities and, if possible, to replicate normal knee kinematics and function. The ADVANCE® Medial Pivot (AMP) Knee System was designed with a highly congruent medial compartment and a less conforming lateral compartment to more closely mimic the kinematics of the normal knee and to offer more stability through out of range of motion (ROM). The purpose of this study was to evaluate the long-term clinical and radiographic outcomes of this TKA system...
January 29, 2017: Knee
https://www.readbyqxmd.com/read/28139371/a-comparison-of-outcomes-in-morbidly-obese-obese-and-non-obese-patients-undergoing-primary-total-knee-and-total-hip-arthroplasty
#18
Angela H Deakin, Aghimien Iyayi-Igbinovia, Gavin J Love
BACKGROUND: Obesity is a growing public health issue with the prevalence of morbid obesity, (Body Mass Index (BMI) ≥ 40 kg/m(2)) increasing. There is some evidence these patients have more peri- and post-operative complications and poorer outcomes when undergoing arthroplasty procedures. This audit aimed to determine and compare the outcomes of non-obese, obese and morbidly obese patients undergoing arthroplasty at our institution. METHOD: This was a retrospective audit of patients from our institution who had undergone total knee (TKA) or total hip arthroplasty (THA) in 2009...
January 27, 2017: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
https://www.readbyqxmd.com/read/28139190/patient-specific-instrumentation-for-total-knee-arthroplasty
#19
Arash Nabavi, Caroline M Olwill, Mike Do, Tanya Wanasawage, Ian A Harris
PURPOSE: To assess the accuracy of total knee replacements (TKRs) performed using CT-based patient-specific instrumentation by postoperative CT scan. METHOD: Approval from the Ethics Committee was granted prior to commencement of this study. Fifty prospective and consecutive patients who had undergone TKR (Evolis, Medacta International) using CT-based patient-specific instrumentation (MY KNEE, Medacta International) were assessed postoperatively using a CT scan and the validated Perth protocol measurement technique...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28131544/evidence-based-indications-for-mobile-bearing-unicompartmental-knee-arthroplasty-in-a-consecutive-cohort-of-thousand-knees
#20
Thomas W Hamilton, Hemant G Pandit, Cathy Jenkins, Stephen J Mellon, Christopher A F Dodd, David W Murray
BACKGROUND: The indications for unicompartmental knee arthroplasty remain controversial. Previously recommended contraindications include the following: age under 60 years, weight 180 lb (82 kg) or over, patients undertaking heavy labor, chondrocalcinosis, and exposed bone in the patellofemoral joint. This study explores whether these contraindications are valid in mobile-bearing unicompartmental knee arthroplasty. METHODS: Using a prospective series of 1000 consecutive medial unicompartmental knee arthroplasties in which the reported contraindications were not applied, the functional outcome and survival in patients with or without contraindications were compared...
December 27, 2016: Journal of Arthroplasty
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