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https://www.readbyqxmd.com/read/28072902/development-of-an-encompassing-questionnaire-for-evaluating-the-outcomes-following-total-knee-arthroplasty
#1
Morad Chughtai, Anton Khlopas, Melbin Thomas, Chukwuweike U Gwam, Julio J Jauregui, Randa K Elmallah, Martin Roche, Michael A Mont
INTRODUCTION: There are many standardized scales and questionnaires used to evaluate TKA patients; however, individually they do not always assess patients adequately. Consequently, many are used in combinations to provide a thorough evaluation. However, this leads to redundancy, confusion, and an excessive patient time-burden. Therefore, the purpose of this study was to develop a usable combined knee questionnaire that combines questions in a non-redundant manner. Specifically, we aimed to: 1) create a combined knee questionnaire that encompasses questions from multiple systems, while eliminating redundancy; 2) correlate the new system with the existing validated questionnaires; and 3) determine the length of time it takes to administer this new questionnaire...
10, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28050637/depressed-patients-feel-more-pain-in-the-short-term-after-total-knee-arthroplasty
#2
Raúl Torres-Claramunt, Pedro Hinarejos, Jorge Amestoy, Joan Leal, Juan Sánchez-Soler, Lluís Puig-Verdié, Joan C Monllau
PURPOSE: The hypothesis of this study was that depressive patients feel more pain in the immediate TKA postoperative period in comparison with non-depressed patients. METHODS: The diagnosis of depression was made with the Geriatric Depression Scale Short Form. The Visual Analogic Score (VAS) was registered each 8 h during the first 3 days. The mean and maximum VAS and the number of analgesic rescues required in this period were calculated in 803 consecutive TKAs...
January 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28032700/management-of-acute-hematogenous-infection-following-total-knee-arthroplasty-a-case-series-of-11-patients
#3
Rui He, Liu Yang, Lin Guo, Hao Chen, Ying Zhang, Dian-Ming Jiang
OBJECTIVE: Acute hematogenous infection is a devastating complication that can occur after total knee arthroplasty (TKA). The best strategies for management of this infection remain controversial. Two-stage revision has been well described as the gold standard for the management of chronic late infections. However, there is a paucity of information presently available on the management and outcomes of patients treated for acute hematogenous infections. The purpose of the present study was to report the outcome of acute hematogenous infections following TKA with the treatment of irrigation, debridement, and retention of the prosthetic components...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28031493/improvement-in-health-related-quality-of-life-after-unilateral-total-knee-arthroplasty-in-patients-with-bilateral-knee-osteoarthritis
#4
Desmond Thiam, Daniel Jing Wen Teh, Hamid Rahmatullah Bin Abd Razak, Andrew Hwee Chye Tan
PURPOSE: To review the outcome of unilateral total knee arthroplasty (TKA) in patients with bilateral knee osteoarthritis (OA) to determine whether unilateral TKA can achieve good health-related quality of life (HRQoL). METHODS: Records of 68 women and 25 men with severe bilateral knee OA who underwent unilateral TKA on the more symptomatic knee by a single surgeon and did not return for the second TKA within 2 years were reviewed. Outcome at 6 months and 2 years was assessed using the mental and physical component summary (MCS and PCS) of the Short-Form 36 (SF-36) for HRQoL as well as the Oxford Knee Score (OKS) and Knee Society Score (KSS) for knee-specific outcome...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28028570/comparable-outcomes-after-total-knee-arthroplasty-in-patients-under-55%C3%A2-years-than-in-older-patients-a-matched-prospective-study-with-minimum-follow-up-of-10%C3%A2-years
#5
Alejandro Lizaur-Utrilla, Daniel Martinez-Mendez, Francisco A Miralles-Muñoz, Luis Marco-Gómez, Fernando A Lopez-Prats
PURPOSE: To compare outcomes after TKA for osteoarthritis between patients younger than 55 years and older patients. METHODS: A cohort of 61 patients aged 55 years or younger was prospectively matched for gender, body mass index and knee function with patients with median age of 66 (range 60-70) years. Clinical evaluation was performed by the Knee Society scores (KSS), reduced Western Ontario and McMasters Universities (WOMAC) and Short-Form 12 (SF12) questionnaires...
December 27, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28026737/-bilateral-total-knee-arthroplasty-short-term-results
#6
S Křivánek, M Hrubina, M Chmúrny, M Rovňák, M Melišík, L Nečas
PURPOSE OF THE STUDY Evaluation of short-term functional results in patients undergoing one-stage surgery involving sequential bilateral total knee arthroplasty (TKA) and comparison with the results of patients after unilateral TKA. MATERIAL AND METHODS The group with bilateral TKA consisted of 171 patients with 342 total knee replacements treated between 2009 and 2013. The control group included 50 patients with 50 TKAs operated on in the years 2010 to 2012. The indications to bilateral knee replacement included bilateral gonarthrosis, grade III or more in patients who were in good health and had a stable knee joint with axis deviation up to 20 degrees...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28026733/long-term-function-following-periprosthetic-fractures
#7
J Zwingmann, M Krieg, F Thielemann, N Südkamp, P Helwig
PURPOSE OF THE STUDY Clinical results of long-term follow-up after traumatic periprosthetic femur fractures and different therapies (ORIF vs. revision arthroplasty) MATERIAL AND METHODS The Visual Analog Scale (VAS), Harris-Hip-Score (HHS), Oxford-Hip-Score (OHS), Oxford-Knee-Score (OKS), Knee-Society-Score (KSS), SF-36 Questionnaire and Funktionsfragebogen Hannover (FFH) were used to evaluate outcome and functionality. Radiological examinations were performed and the Vancouver (THA) and Lewis and Rorabeck (TKA) classifications used...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28013331/correlations-between-serum-adipocytokine-concentrations-disease-stage-radiological-status-and-total-body-fat-content-in-the-patients-with-primary-knee-osteoarthritis
#8
Magdalena Richter, Tomasz Trzeciak, Jakub Dalibor Rybka, Wiktoria Suchorska, Ewelina Augustyniak, Michał Lach, Małgorzata Kaczmarek, Jacek Kaczmarczyk
PURPOSE: The study was designed to investigate whether serum concentrations of leptin, resistin and adiponectin in obese and normal-weight patients with primary knee osteoarthritis (OA) correlate with clinical and radiological stages of the disease and percentage of total body fat. METHODS: Seventy-three patients with knee OA, divided into obese and normal-weight groups, were clinically evaluated according to the Knee Society Score (KSS), and radiologically assessed using Kellgren and Lawrence scale...
December 24, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/28005142/no-correlation-between-coronal-alignment-of-total-knee-arthroplasty-and-clinical-outcomes-a-prospective-clinical-study-using-3d-ct
#9
Omer Slevin, Felix Amsler, Michael T Hirschmann
PURPOSE: The aim of this study was to evaluate femoral and tibial as well as whole leg coronal TKA alignment using 3D-reconstructed CTs and to assess the relationship of coronal TKA alignment and clinical outcome in a large prospective series of patients. It was hypothesized that a coronal deviation of TKA position and leg alignment from the mechanical axis is correlated with poorer patients' outcome after TKA. METHODS: A total of 81 consecutive patients who underwent primary TKA were prospectively included...
December 22, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27979409/outcomes-of-patellofemoral-arthroplasty-based-on-radiographic%C3%A2-severity
#10
Casey M deDeugd, Ayoosh Pareek, Aaron J Krych, Nancy M Cummings, Diane L Dahm
BACKGROUND: Patellofemoral arthroplasty (PFA) is increasingly performed for symptomatic patellofemoral arthritis. The purpose of this study was to evaluate the outcomes of PFA based on preoperative radiographic severity of patellofemoral arthritis. METHODS: All patients who underwent PFA for isolated patellofemoral arthritis between 2002 and 2013 and had undergone preoperative magnetic resonance imaging were identified. Radiographic severity of patellofemoral arthritis was classified according to the Iwano classification system...
November 15, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27920791/extending-a-single-residue-switch-for-abbreviating-catalysis-in-plant-ent-kaurene-synthases
#11
Meirong Jia, Reuben J Peters
Production of ent-kaurene as a precursor for important signaling molecules such as the gibberellins seems to have arisen early in plant evolution, with corresponding cyclase(s) present in all land plants (i.e., embryophyta). The relevant enzymes seem to represent fusion of the class II diterpene cyclase that produces the intermediate ent-copalyl diphosphate (ent-CPP) and the subsequently acting class I diterpene synthase that produces ent-kaurene, although the bifunctionality of the ancestral gene is only retained in certain early diverging plants, with gene duplication and sub-functionalization leading to distinct ent-CPP synthases and ent-kaurene synthases (KSs) generally observed...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27909123/comparative-study-of-computer-assisted-total-knee-arthroplasty-after-opening-wedge-osteotomy-versus-after-unicompartmental-arthroplasty
#12
R Pailhé, J Cognault, J Massfelder, A Sharma, R-C Rouchy, B Rubens-Duval, D Saragaglia
AIMS: The role of high tibial osteotomy (HTO) is being questioned by the use of unicompartmental knee arthroplasty (UKA) in the treatment of medial compartment femorotibial osteoarthritis. Our aim was to compare the outcomes of revision HTO or UKA to a total knee arthroplasty (TKA) using computer-assisted surgery in matched groups of patients. PATIENTS AND METHODS: We conducted a retrospective study to compare the clinical and radiological outcome of patients who underwent revision of a HTO to a TKA (group 1) with those who underwent revision of a medial UKA to a TKA (group 2)...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27907935/a-meta-analysis-of-functional-outcomes-in-patient-specific-instrumented-knee-arthroplasty
#13
Ashim Mannan, Deji Akinyooye, Fahad Hossain
Alignment data in patient-specific instrumented (PSI) knee arthroplasty have been examined in several meta-analyses, with demonstration of comparative but not improved restitution of a neutral mechanical axis and favorable outcomes in femoral implant axial alignment. To date, no comprehensive synthesis of data has been conducted specifically for functional outcomes. Relevant databases were searched according to Preferred Reporting Items for Systematic reviews and Meta-analyses guidelines during the period 2000 to 2015 of Levels 1 and 2 studies comparing functional outcomes of patient-specific instrumentation (PSI) versus conventional instrumentation...
December 1, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27904951/pre-emptive-injection-of-peri-articular-multimodal-drug-for-post-operative-pain-management-in-total-knee-arthroplasty-a-double-blind-randomized-clinical-trial
#14
Mahdi Motififard, Ali Omidian, Sajad Badiei
PURPOSE: Severe post-operative pain is one of the main problems after total knee arthroplasty. In this study, we investigated the effect of a peri-articular multimodal drugs injections pre-emptively on post-operative pain control and knee functions following total knee arthroplasty. METHODS AND MATERIALS: This study was a double-blind randomized clinical trial. Eligible cases including 137 patients-aged 30 to 80 years old-were randomly divided into one of two groups: the drug group received a cocktail consisting of bupivacaine hydrochloride, morphine sulphate, epinephrine, and ketorolac...
November 30, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27904719/does-cruciate-retaining-total-knee-arthroplasty-show-better-quadriceps-recovery-than-posterior-stabilized-total-knee-arthroplasty-objective-measurement-with-a-dynamometer-in-102-knees
#15
Kye-Youl Cho, Kang-Il Kim, Sang-Jun Song, Dae-Kyung Bae
BACKGROUND: Cruciate-retaining (CR) prostheses have been considered to produce more physiologic femoral rollback, provide better proprioception, and result in better quadriceps recovery than posterior-stabilized (PS) prostheses after total knee arthroplasty (TKA). However, there are very few studies demonstrating these benefits in an objective manner. We investigated whether CR-TKA could result in (1) better quadriceps recovery; (2) a greater proportion of patients with beyond the preoperative level of recovery; and (3) better clinical outcomes than PS-TKA...
December 2016: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/27904221/what-have-we-learned-from-100-success-of-press-fit-condylar-rotating-platform-posterior-stabilized-knees-a-5-10-years-followup-by-a-nondesigner
#16
Shrinand V Vaidya, Siddharth Virani, Rajendra Phunde, Abhishek Mahajan
BACKGROUND: Total joint arthroplasties of the hip and knee represent a remarkable feat of modern medicine in terms of reducing pain and restoring function to millions of patients afflicted with severe arthritis. Oftentimes, the performance and longevity of new implants and devices are based on limited data. This is the first study by a non-designer on the press fit condylar rotating platform posterior stabilized (PFC-RP-PS) design with 100' success. This has a relevance, vis-á -vis bias that one may have in terms of reproducibility of technique and funding from the manufacturer...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27902352/cohnella-lubricantis-sp-nov-isolated-from-a-coolant-lubricant-solution
#17
Peter Kämpfer, Stefanie P Glaeser, Hans-Jürgen Busse
A Gram-staining-positive, aerobic, non-endospore forming organism, isolated from a coolant lubricant solution was studied for its taxonomic position. On the basis of 16S rRNA gene sequence similarity comparisons, strain KSS-154-50T was grouped into the genus Cohnella, most closely related to Cohnella formosensis ALFALFA-35T (97.3 %), Cohnella rhizosphaerae CSE-5610T (97.1 %) and Cohnella nanjingensis D-45T (97.0%). The 16S rRNA gene sequence similarity to other Cohnella species was < 97.0 %. The fatty acid profile from whole cell hydrolysates was very similar to those reported for other Cohnella species supported the allocation to the genus Cohnella...
November 9, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27894876/long-term-functional-outcomes-after-primary-surgical-repair-of-acute-and-chronic-patellar-tendon-rupture-series-of-25%C3%A2-patients
#18
K Belhaj, H El Hyaoui, A Tahir, S Meftah, L Mahir, A Rafaoui, F Lmidmani, M Arsi, M Rahmi, M Rafai, A Garch, M Fadili, M Nechad, A El Fatimi
OBJECTIVE: We aimed to evaluate the clinical outcomes after surgical repair of patellar tendon rupture (PTR) and compare the evolution of 2 types of rupture (acute and chronic) after the same rehabilitation protocol. METHODS: This was a prospective cohort study of patients with PTR treated between January 2006 and January 2014 in the department of trauma surgery, Ibn Rochd university hospital, Casablanca. RESULTS: We evaluated 25 patients (21 men) after a median follow-up of 75 months (range 29-120)...
November 25, 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27882399/-circadian-rhythm-influence-on-epworth-sleepiness-scale-score
#19
M Herzog, A Bedorf, C Rohrmeier, T Kühnel, B Herzog, T Bremert, S Plontke, S Plößl
BACKGROUND: The Epworth Sleepiness Scale (ESS) is frequently used to determine daytime sleepiness in patients with sleep-disordered breathing. It is still unclear whether different levels of alertness induced by the circadian rhythm influence ESS score. OBJECTIVE: The aim of this study is to investigate the influence of circadian rhythm-dependent alertness on ESS performance. MATERIALS AND METHODS: In a monocentric prospective noninterventional observation study, 97 patients with suspected sleep-disordered breathing were investigated with respect to daytime sleepiness in temporal relationship to polysomnographic examination and treatment...
November 23, 2016: HNO
https://www.readbyqxmd.com/read/27876266/knee-arthrodesis-by-the-ilizarov-method-in-the-treatment-of-total-knee-arthroplasty-failure
#20
Andrea Antonio Maria Bruno, Alexander Kirienko, Andrea Peccati, Paolo Dupplicato, Massimo De Donato, Enrico Arnaldi, Nicola Portinaro
BACKGROUND: Currently, the main indication for knee arthrodesis is septic failure of a total knee arthroplasty (TKA). The purpose of this study was to evaluate the results of knee arthrodesis by circular external fixation performed in the treatment of TKA failure in which revision arthroplasty was not indicated. METHODS: The study involved 19 patients who underwent knee arthrodesis by the Ilizarov method. Clinical and functional assessments were performed, including Knee Society Score (KSS)...
November 18, 2016: Knee
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