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"Total knee arthroplasty"

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https://www.readbyqxmd.com/read/27913236/effect-of-different-postoperative-limb-positions-on-blood-loss-and-range-of-motion-in-total-knee-arthroplasty-an-updated-meta-analysis-of-randomized-controlled-trials
#1
REVIEW
Yuangang Wu, Timin Yang, Yi Zeng, Haibo Si, Canfeng Li, Bin Shen
BACKGROUND: Postoperative limb positioning has been reported to be an efficient and simple way to reduce blood loss and improve range of motion following total knee arthroplasty (TKA). This meta-analysis was designed to compare the effectiveness of two different limb positions in primary TKA. MATERIALS AND METHODS: A meta-analysis of the PubMed, CENTRAL, Web of Science, EMBASE and Google Search Engine electronic databases was performed. In this meta-analysis, two postoperative limb positions were considered: mild-flexion (flexion less than 60°) and high-flexion (flexion at 60° or more)...
November 29, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27911916/incidence-of-deep-vein-thrombosis-and-venous-thromboembolism-following-tka-in-rheumatoid-arthritis-versus-osteoarthritis-a-meta-analysis
#2
Do-Kyung Lee, Hyun-Jung Kim, Dae-Hee Lee
This meta-analysis was designed to compare the incidence of deep vein thrombosis (DVT) and venous thromboembolism (VTE) following total knee arthroplasty (TKA) in patients with rheumatoid arthritis (RA) and osteoarthritis (OA). All studies directly comparing the post-TKA incidence of DVT and/or VTE in patients with RA and OA were included. For all comparisons, odds ratios and 95% confidence intervals (CI) were calculated for binary outcomes. Six studies were included in the meta-analysis. The pooled data showed that the combined rates of asymptomatic and symptomatic DVT did not differ significantly in the RA and OA groups (1065/222,714 [0...
2016: PloS One
https://www.readbyqxmd.com/read/27910257/neurostimulation-for-postsurgical-analgesia-a-novel-system-enabling-ultrasound-guided-percutaneous-peripheral-nerve-stimulation
#3
Brian M Ilfeld, Stuart A Grant, Christopher A Gilmore, John Chae, Richard D Wilson, Amorn Wongsarnpigoon, Joseph W Boggs
While neurostimulation-stimulation of the nervous system using electrical current-has been used to treat chronic pain, its use treating postsurgical pain has been limited. Here we report on the clinical application of a novel investigational lead to provide analgesia following total knee arthroplasty. In 5 subjects, leads were inserted percutaneously using ultrasound guidance within 0.5 to 3.0 cm of the femoral and/or sciatic nerve(s). With the delivery of current, pain decreased an average of 63% at rest, with 4 of 5 subjects having relief of >50%...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27909630/comparison-between-closed-suction-drainage-and-no-drainage-following-total-knee-arthroplasty-in-a-tertiary-care-setting-in-pakistan
#4
Avais Raja, Hana Manzoor, Waqar M Jan, Salman Assad
BACKGROUND: Total knee arthroplasty is associated with hematoma formation and extensive blood loss up to 1.5 liters. The placement of a closed suction drain to control this complication is controversial. The purpose of this study is to determine the efficacy between total knee arthroplasty without a drain and with a closed suction drain.  Methods: A retrospective cohort study was conducted between January 2014 and December 2015 on 100 patients to assess the hemoglobin and hematocrit levels, the rate of allogeneic blood transfusion, and the length of hospital stay in patients with a closed suction drain versus no suction post-total knee arthroplasty...
October 24, 2016: Curēus
https://www.readbyqxmd.com/read/27909124/predicting-dissatisfaction-following-total-knee-arthroplasty-in-patients-under-55-years-of-age
#5
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
#6
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/27905187/no-clinically-meaningful-weight-changes-in-a-young-cohort-following-total-joint-arthroplasty-at-3-year-follow-up
#7
Peter M Formby, Richard L Purcell, Michael Baird, Matthew Wagner, Ronald P Goodlett, Andrew W Mack
BACKGROUND: Total joint arthroplasty (TJA) is one of the most successful operations. There is little in the literature regarding weight change following TJA, particularly in a young cohort. METHODS: Retrospective analysis of 181 primary total hip arthroplasty (THA) and 185 primary total knee arthroplasty (TKA) patients was conducted. We reviewed preoperative and post-operative weights and post-operative body mass index at 3 and 6 months, 1 year, 2 and 3 years...
November 30, 2016: ANZ Journal of 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
#8
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/27904720/clinical-results-of-lateral-unicompartmental-knee-arthroplasty-minimum-2-year-follow-up
#9
Kyung Tae Kim, Song Lee, Jeehyoung Kim, Jin Woo Kim, Min Su Kang
BACKGROUND: We investigated the clinical results and early complications after lateral unicompartmental knee arthroplasty (UKA) using the Zimmer unicompartmental high-flex knee (ZUK) prosthesis with a minimum follow-up of 2 years. METHODS: Twenty-seven patients (30 cases) who underwent lateral UKA with the ZUK prosthesis between January 2011 and February 2014 were selected for this study. The mean age of the patients was 63.3 years at the time of surgery, and the mean followup was 3 years and 2 months (range, 24 to 48 months)...
December 2016: Clinics in Orthopedic Surgery
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
#10
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/27903009/temperature-controlled-continuous-cold-flow-device-after-total-knee-arthroplasty-a-randomized-controlled-trial-study
#11
Alberto Ruffilli, Francesco Castagnini, Francesco Traina, Isabella Corneti, Domenico Fenga, Sandro Giannini, Cesare Faldini
Total knee arthroplasty (TKA) is a widely accepted and successful procedure for end-stage arthritis. Nevertheless, fast-track may be compromised by many factors, such as pain, edema, and blood loss. Cryotherapy has been advocated as a safe and effective strategy to improve the postoperative results, acting on pain, edema, and blood loss. This study is a prospective randomized controlled study, involving 50 patients after primary TKA. A power analysis was performed preoperatively. Twenty-four patients were addressed to a postoperative treatment with a continuous cold flow device (Hilotherm, Hilotherm GmbH, Germany)...
November 30, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27902607/perioperative-complications-following-preoperative-cessation-of-antithrombotic-agents-for-total-knee-arthroplasty-a-retrospective-study
#12
Jin-Young Hwang, Sohee Oh, Chong-Soo Kim, Jee-Eun Chang, Seong-Won Min
The number of elderly patients undergoing total knee arthroplasty (TKA) has steadily increased. Elderly patients undergoing TKA usually have underlying diseases, and some of them take antithrombotic agents for the prevention or treatment of these co-morbidities, including cardiovascular, cerebrovascular, or thromboembolic diseases. When these patients are scheduled to undergo TKA, preoperative cessation of antithrombotic agents is considered on the basis of its risks and benefits. This study was aimed to evaluate the impact of discontinuing antithrombotic agents for primary total knee arthroplasty (TKA) on perioperative complications...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27902170/the-effects-of-general-and-spinal-anesthesia-on-systemic-inflammatory-response-in-patients-undergoing-total-knee-arthroplasty
#13
Mehmet Eroğlu, Serdar Kokulu, Halit Buğra Koca, Mehmet Ersegün Demirboğan, Elif Doğan Baki, Özal Özcan
OBJECTIVES: This study aims to compare the systemic inflammatory responses (SIRs) developing after total knee arthroplasty (TKA) performed under general or spinal anesthesia. PATIENTS AND METHODS: This prospective study included 40 patients (8 males, 32 females; mean age 67.15±9.27 years; range 51 to 89 years) who underwent TKA in our clinic between February 2014 and July 2014. Patients were grouped to receive general (group 1, n=20) or spinal anesthesia (group 2, n=20)...
December 2016: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/27901242/prevalence-of-knee-arthroplasty-in-the-state-of-s%C3%A3-o-paulo-between-2003-and-2010
#14
Rogério Teixeira de Carvalho, Jonny Chaves Lima Canté, Juliana Hoss Silva Lima, Luiz Alberto Barbosa Tavares, Marcelo Itiro Takano, Fernando Gomes Tavares
CONTEXT AND OBJECTIVE: The volume of knee arthroplasty procedures has increased over the last decade. The aim of this study was to estimate the frequency of these procedures performed within the public healthcare system of the state of São Paulo between 2003 and 2010. DESIGN AND SETTING: Cross-sectional study conducted in the state of São Paulo by researchers at Hospital do Servidor Público do Estado de São Paulo. METHODS: A sample of 10,952 patients (7,891 females and 3,061 males) who underwent primary total knee arthroplasty (TKA) and revision of total knee arthroplasty (RTKA) in the state of São Paulo between 2003 and 2010 was evaluated...
September 2016: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/27900510/does-a-positioning-rod-or-a-patient-specific-guide-result-in-more-natural-femoral-flexion-in-the-concept-of-kinematically-aligned-total-knee-arthroplasty
#15
Max Ettinger, Tilman Calliess, Stephen M Howell
PURPOSE: Flexion of the femoral component in 5° increments downsizes the femoral component, decreases the proximal reach and surface area of the trochlea, delays the engagement of the patella during flexion, and is associated with a higher risk of patellar-femoral instability after kinematically aligned TKA. The present study evaluated flexion of the femoral component after use of two kinematic alignment instrumentation systems. We determined whether a distal cutting block attached to a positioning rod inserted perpendicular to the distal femoral joint line in the axial plane and 8-10 cm into the distal femur anterior and posterior to the distal cortex of the femur in the sagittal plane or a femoral patient-specific cutting guide sets the femoral component in more natural flexion...
November 29, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27900308/chronic-knee-extensor-mechanism-lesions-in-total-knee-arthroplasty-a-literature-review
#16
Umberto Cottino, Davide Deledda, Federica Rosso, Davide Blonna, Davide Edoardo Bonasia, Roberto Rossi
Knee extensor mechanism rupture is a serious complication of total knee arthroplasty (TKA). Its prevalence ranges from 1 to 10% and it is commonly observed as a chronic multifactorial pathology with the patellar tendon as the most common site of rupture. Knee extensor mechanism reconstruction can be performed using allogenic or synthetic grafts. In the literature it is still not clear whether one of these techniques is superior to the other and the choice is usually tailored to the patient case by case. Allografts allow better restoration of the anatomical landmarks, whereas the mesh technique is more reproducible and the graft does not elongate over time...
July 2016: Joints
https://www.readbyqxmd.com/read/27898989/identifying-an-ideal-time-frame-for-staged-bilateral-total-knee-arthroplasty-to-maximize-functional-outcome
#17
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
#18
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/27898194/inflammatory-cell-induced-corrosion-in-total-knee-arthroplasty-a-retrieval-study
#19
Arianna Cerquiglini, Johann Henckel, Harry S Hothi, Anna Di Laura, John A Skinner, Alister J Hart
Metal release in patients with joint replacements is associated with local tissue reactions, pain, and ultimately revision of implants. One of the causes of this metal loss is speculated to be due to a mechanism of inflammatory cell-induced corrosion (ICIC). In this knee retrieval study, we aimed to: (1) identify the extent and location of ICI corrosion patterns on our femoral and tibial components and (2) correlate our findings with implant and clinical information. We investigated 28 femoral and 9 tibial components made of polished CoCr for presence of ICIC, using macroscopic and microscopic screening and statistical analyses to identify any significant correlations between our results and clinical information...
November 29, 2016: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/27896394/the-orientation-of-the-surgical-epicondylar-axis-varies-in-varus-and-non-varus-knees-in-the-coronal-plane
#20
Yunjie Zhang, Xiaofeng Wang, Yunchao Shao, Qing Xia
PURPOSE: To investigate the orientations of the surgical epicondylar axis (SEA) of varus and non-varus knees in the coronal plane. METHODS: One-hundred and sixty-two knees from 81 Chinese patients undergoing total knee arthroplasty (TKA) were retrospectively investigated. The angle between the medial side of the femoral mechanical axis and the SEA (MA-SEA), as well as the physiological valgus angle, was measured in the coronal plane using three-dimensional reconstruction...
November 28, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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