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TKA outcomes

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https://www.readbyqxmd.com/read/27909124/predicting-dissatisfaction-following-total-knee-arthroplasty-in-patients-under-55-years-of-age
#1
C E H Scott, W M Oliver, D MacDonald, F A Wade, M Moran, S J Breusch
AIMS: Risk of revision following total knee arthroplasty (TKA) is higher in patients under 55 years, but little data are reported regarding non-revision outcomes. This study aims to identify predictors of dissatisfaction in these patients. PATIENTS AND METHODS: We prospectively assessed 177 TKAs (157 consecutive patients, 99 women, mean age 50 years; 17 to 54) from 2008 to 2013. Age, gender, implant, indication, body mass index (BMI), social deprivation, range of movement, Kellgren-Lawrence (KL) grade of osteoarthritis (OA) and prior knee surgery were recorded...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27909123/comparative-study-of-computer-assisted-total-knee-arthroplasty-after-opening-wedge-osteotomy-versus-after-unicompartmental-arthroplasty
#2
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/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
#3
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/27898989/identifying-an-ideal-time-frame-for-staged-bilateral-total-knee-arthroplasty-to-maximize-functional-outcome
#4
Jared Ze Yang Yeh, Jerry Yongqiang Chen, Wu Chean Lee, Hwei Chi Chong, Hee Nee Pang, Darren Keng Jin Tay, Shi-Lu Chia, Ngai Nung Lo, Seng Jin Yeo
Compared with staged bilateral total knee arthroplasty (TKA), simultaneous bilateral TKA carries a higher risk of cardiac complications, pulmonary complications, and mortality, especially in patients with preexisting cardiopulmonary disease or advanced age. However, the period of time between staged TKAs that would eliminate these increased risks has yet to be determined. The purpose of this study is to evaluate complication rates and functional outcome in patients who underwent staged bilateral TKA and to determine an optimal time frame for the second knee...
November 29, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27898510/the-effect-of-implementation-of-preoperative-and-postoperative-care-elements-of-a-perioperative-surgical-home-model-on-outcomes-in-patients-undergoing-hip-arthroplasty-or-knee-arthroplasty
#5
Thomas R Vetter, Joydip Barman, James M Hunter, Keith A Jones, Jean-Francois Pittet
BACKGROUND: The Perioperative Surgical Home (PSH) seeks to remedy the currently highly fragmented and expensive perioperative care in the United States. The 2 specific aims of this health services research study were to assess the association between the preoperative and postoperative elements of an initial PSH model and a set of (1) clinical, quality, and patient safety outcomes and (2) operational and financial outcomes, in patients undergoing total hip arthroplasty (THA) or total knee arthroplasty (TKA)...
November 28, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27895368/does-obesity-affects-early-infection-after-total-knee-arthroplasty-a-comparison-of-obese-vs-non-obese-patients
#6
Waseem Ahmed, Riaz Hussain Lakdawala, Yasir Mohib, Aurangzeb Qureshi, Rizwan Haroon Rashid
Surgical site infection (SSI) is a disastrous complication after total knee arthroplasty (TKA) which can cause prosthesis loosening and may end up in septicaemia. The incidence of infection reported to be in the range of 0.3-12.4% for primary TKA. Significantly higher infection rate is found in the morbidly obese patients. The current study compared the immediate rate of post-total knee replacement wound infection in the obese versus non-obese population. The cross-sectional study was conducted at Aga Khan University Hospital (AKUH) and comprised patients undergoing TKA for primary knee osteoarthritis...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27894179/availability-of-total-knee-arthroplasty-implants-for-metal-hypersensitivity-patients
#7
Sanil Harji Ajwani, Charalambos P Charalambous
Purpose: To provide information on the type of "hypersensitivity-friendly" components available for primary total knee arthroplasty (TKA) in the current market. Materials and Methods: Implant manufactures were identified using the 2013 National Joint Registries of the United Kingdom and Sweden and contacted to obtain information about the products they offer for patients with metal hypersensitivity. Results: Information on 23 TKA systems was provided by 13 implant manufacturers...
December 1, 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27890690/successful-outcome-with-minimally-invasive-plate-osteosynthesis-for-periprosthetic-tibial-fracture-after-total-knee-arthroplasty
#8
Hee-June Kim, Ki-Chul Park, Joon-Woo Kim, Chang-Wug Oh, Hee-Soo Kyung, Jong-Keon Oh, Kyeong-Hyeon Park, Seong-Dae Yoon
INTRODUCTION: The incidence of periprosthetic fracture after total knee arthroplasty (TKA) is increasing, and treatment is becoming more necessary. In periprosthetic tibial fracture, the stem of the tibial component largely occupies the medullary canal of the proximal tibia, which limits the selection of implants. The purpose of this study was to evaluate the effectiveness of the minimally invasive plate osteosynthesis (MIPO) technique with locking plates for periprosthetic tibial fractures after TKA...
November 24, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27876420/hereditary-bilateral-genu-recurvatum-case-report-of-a-family
#9
Peter Feczko, Pieter Emans
BACKGROUND: Genu recurvatum is a rare condition in children and adolescents. The origin can be osseous, ligamentous and mixed. METHODS: We describe for the first time a family inclusive two brothers and their mother with hereditary bilateral genu recurvatum of unknown etiology. The possible underlying pathology and treatment are discussed. RESULTS: The underlying pathology of the early closure of the apophysis of the tibial tuberosity remained unclear...
November 19, 2016: Knee
https://www.readbyqxmd.com/read/27876266/knee-arthrodesis-by-the-ilizarov-method-in-the-treatment-of-total-knee-arthroplasty-failure
#10
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
https://www.readbyqxmd.com/read/27876254/is-selectively-not-resurfacing-the-patella-an-acceptable-practice-in-primary-total-knee-arthroplasty
#11
Hilal Maradit-Kremers, Omar J Haque, Walter K Kremers, Daniel J Berry, David G Lewallen, Robert T Trousdale, Rafael J Sierra
BACKGROUND: To resurface or not to resurface the patella remains a controversy in total knee arthroplasty (TKA). The purpose of this study was to assess the long-term outcomes associated with selectively not resurfacing the patella. METHODS: This was a historical cohort study of 15,497 patients with 21,371 primary TKA procedures performed at a single institution between 1985 and 2010. The cohort included 402 (2%) knees with unresurfaced patellae and 20,969 knees with all-polyethylene patellae designs...
October 20, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27872980/preliminary-results-of-managing-large-medial-tibial-defects-in-primary-total-knee-arthroplasty-autogenous-morcellised-bone-graft
#12
Takehiko Sugita, Toshimi Aizawa, Naohisa Miyatake, Akira Sasaki, Masayuki Kamimura, Atsushi Takahashi
PURPOSE: This study reports a case series of 44 primary total knee arthroplasties (TKAs) using autogenous morcellised bone grafting for large (≥10-mm-deep) medial tibial defects, which are generally repaired using metal augmentation. The bone-grafting technique is described in detail and the radiological outcomes are presented. METHODS: A total of 44 TKAs were followed up for a mean period of 58 months (range 24-139 months). Multiple drill holes were made in the sclerotic floor of the defect, followed by the impaction of morcellised cancellous bone grafts to fill the defects...
November 21, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27871591/continuous-intra-articular-local-anesthetic-drug-instillation-versus-discontinuous-sciatic-nerve-block-after-total-knee-arthroplasty
#13
Johannes Cip, Hedwig Erb-Linzmeier, Peter Stadlbauer, Christian Bach, Arno Martin, Reinhard Germann
STUDY OBJECTIVE: Sciatic nerve block (SNB) is commonly used as adjunct to femoralis nerve block (FNB) to achieve high-quality pain relief after total knee arthroplasty (TKA). However, this combination is associated with considerable muscle weakness, foot drop and surgically related nerve injuries may be masked. The purpose of this study was to assess whether low risk continuous intra-articular anesthetic drug instillation is an adequate alternative to SNB when adding to FNB after TKA...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27871565/postoperative-analgesic-efficacy-of-fascia-iliaca-block-versus-periarticular-injection-for-total-knee-arthroplasty
#14
Cagla Bali, Ozlem Ozmete, H Evren Eker, Murat A Hersekli, Anis Aribogan
STUDY OBJECTIVE: This study evaluated the postoperative analgesic efficacies of fascia iliaca block and periarticular drug injection techniques after TKA (total knee arthroplasty) surgeries. DESIGN: Prospective, randomized clinical trial. SETTING: University Teaching and Research Center. PATIENTS: Seventy-one American Society of Anesthesiologists (ASA) I-III patients between 48 and 70 years of age who underwent total knee arthroplasty were randomized...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27857498/how-are-we-addressing-ligament-balance-in-tka-a-literature-review-of-revision-etiology-and-technological-advancement
#15
Tyler Smith, Leah Elson, Christopher Anderson, William Leone
Despite technological advances in operative technique and component materials, the total knee arthroplasty (TKA) revision burden, in the United States, has remained static for the past decade. In light of an anticipated exponential increase in annual surgical volume, it is important to thoroughly understand contemporary challenges associated with technologically driven TKA. This descriptive literature review harvested 69 relevant publications to extrapolate patient trends, benefits, costs, and complications associated with computer-assisted surgery, patient specific instrumentation, and intra-operative sensors...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27851679/telephone-follow-up-by-nurse-after-total-knee-arthroplasty-results-of-a-randomized-clinical-trial
#16
Kirsten Szöts, Hanne Konradsen, Søren Solgaard, Birte Østergaard
BACKGROUND/PURPOSE: Because of shorter hospitalizations, patients now have to take responsibility for their recovery period at a very early stage. We evaluated the effects of structured, nurse-managed telephone follow-up (TFU) after discharge from the hospital following total knee arthroplasty (TKA). METHOD/DESIGN: The design was a single-center, unblinded, parallel-group randomized clinical trial. The primary outcome was self-reported physical function according to the Western Ontario and McMaster Universities Osteoarthritis (WOMAC) Index...
November 2016: Orthopaedic Nursing
https://www.readbyqxmd.com/read/27851675/a-comparative-study-to-determine-functional-and-clinical-outcome-differences-between-patients-receiving-outpatient-direct-physical-therapy-versus-home-physical-therapy-followed-by-outpatient-physical-therapy-after-total-knee-arthroplasty
#17
Meghan Warren, Jennifer Kozik, Jon Cook, Paul Prefontaine, Kathleen Ganley
BACKGROUND: Rehabilitation outcomes for patients with total knee arthroplasty (TKA) after hospital discharge are not well understood. PURPOSE: The purpose of this retrospective cohort study was to describe outpatient physical therapy (PT) after TKA and compare short-term (2 months) functional and clinical outcomes of patients following TKA who were discharged from the hospital to home and received (a) outpatient PT immediately (OP) or (b) home health PT before outpatient PT (HH)...
November 2016: Orthopaedic Nursing
https://www.readbyqxmd.com/read/27848053/tourniquet-use-during-total-knee-arthroplasty-does-not-modulate-the-neutrophil-to-lymphocyte-ratio-pain-or-activity
#18
Tyler Barker, Victoria E Rogers, Kimberly B Brown, Vanessa T Henriksen, G Lynn Rasmussen
: The purpose of our study was to identify the influence of tourniquet use during total knee arthroplasty (TKA) on the neutrophil-to-lymphocyte ratio (NLR) shortly after surgery and patient-reported outcomes (pain and physical activity) from outpatient physical therapy. This retrospective study consisted of 104 subjects who underwent primary unilateral TKA (51 subjects with and 53 subjects without tourniquet assistance) between 2010 and 2012. The NLR was calculated from the absolute neutrophil and lymphocyte counts obtained immediately before and after (1 and 2 days) knee arthroplasty...
November 15, 2016: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/27836693/should-the-position-of-the-patellar-component-replicate-the-vertical-median-ridge-of-the-native-patella
#19
Rae Hyeong Lee, Hae Won Jeong, Jin Kyu Lee, Choong Hyeok Choi
BACKGROUND: In total knee arthroplasty (TKA), the position of the patellar component can affect patellar tracking. However, the patellar component cannot always replicate the original high point of the patella because of anatomical variance. This study investigated whether altering the highest point of the patella can affect outcomes of primary TKA, especially in patients having a patella with a far-medialized median ridge. METHODS: A retrospective review was performed for 177 knees (143 patients) treated with primary TKA between July 2011 and March 2014...
November 8, 2016: Knee
https://www.readbyqxmd.com/read/27832413/editor-s-spotlight-take-5-the-chitranjan-s-ranawat-award-no-difference-in-2-year-functional-outcomes-using-kinematic-versus-mechanical-alignment-in-tka-a-randomized-controlled-clinical-trial
#20
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