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"Total knee arthroplasty"

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https://www.readbyqxmd.com/read/28646825/early-outpatient-physical-therapy-may-improve-range-of-motion-in-primary-total-knee-arthroplasty
#1
Tanner McGinn, Morad Chughtai, Anton Khlopas, Paige Grasmick, Arun B Mullaji, Steven F Harwin, Anil Bhave, Michael A Mont
No abstract text is available yet for this article.
June 24, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28645703/mapping-of-the-anterior-tibial-profile-to-identify-accurate-reference-points-for-sagittal-alignment-of-tibial-component-in-total-knee-arthroplasty
#2
Gianluca Cinotti, Ettore Caruso, Luigi Orsina, Giuseppe La Torre, Francesca Romana Ripani
BACKGROUND: Although standard instrumentation is the procedure most frequently used to implant a total knee arthroplasty (TKA), high rates of malalignment of tibial component are reported using this technique. Anatomical landmarks for sagittal alignment have been little investigated and the best reference axis which parallels the mechanical axis is yet to be established. HYPOTHESIS: Mapping the anterior tibial profile (ATP) may allow the identification of segmental zones of the ATP parallel to the mechanical axis which can be use to align the extramedullary rod...
June 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28644188/surgical-techniques-for-total-knee-arthroplasty-measured-resection-gap-balancing-and-hybrid
#3
Neil P Sheth, Adeel Husain, Charles Lenwood Nelson
Total knee arthroplasty (TKA) is effective in managing end-stage degenerative joint disease. Achieving favorable clinical outcomes is predicated on proper implant alignment, sizing, and rotation as well as adequate soft-tissue balancing. Modern TKA implants are designed to address the fundamental needs of attaining stability in both flexion and extension and of optimizing patellar tracking. Measured resection and gap balancing are the two different techniques used to implant the TKA components used today. Both techniques have been validated as durable and successful, and each has unique advantages and disadvantages...
July 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28642665/osteoporosis-in-brazilian-patients-awaiting-knee-arthroplasty
#4
David Sadigursky, Luiz Alberto Barretto, Diogo Maciel Vieira Lobão, Rogério Jamil Fernandes Carneiro, Paulo Oliveira Colavolpe
OBJECTIVE: The primary objective of this study was to determine the prevalence of osteoporosis and osteopenia prior to total knee arthroplasty (TKA) in female patients. As a secondary objective, we evaluated the incidence of hip fractures, types of drugs to treat osteoporosis and serum vitamin D levels. METHOD: This is a transversal, descriptive and observational study which evaluated 60 women above age 55 prior to total knee replacement. RESULTS: Mean patient age was 71...
May 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642657/negative-pressure-wound-therapy-in-the-treatment-of-complex-injuries-after-total-knee-arthroplasty
#5
Camilo Partezani Helito, Daniel Kamura Bueno, Pedro Nogueira Giglio, Marcelo Batista Bonadio, José Ricardo Pécora, Marco Kawamura Demange
OBJECTIVE: To present an experience with negative-pressure wound therapy (NPWT) in the treatment of surgical wounds in patients treated for infections after total knee arthroplasty (TKA) with or without dehiscence and prophylaxis in wounds considered at risk of healing problems. METHODS: We prospectively evaluated patients with TKA infection with or without surgical wound dehiscence and patients with risk factors for infection or surgical wound complications treated with Pico((r)) device for NPWT in addition to standard treatment of infection or dehiscence in our institution...
March 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642656/local-periarticular-analgesia-in-total-knee-arthroplasty
#6
David Sadigursky, Daniel Pereira Simões, Raphael Araújo de Albuquerque, Monize Zórnio Silva, Rogério Jamil Carneiro Fernandes, Paulo Oliveira Colavolpe
OBJECTIVE: To evaluate the use of infiltration of periarticular analgesic agents intraoperatively in total knee arthroplasty (TKA), with regard to benefits, reduction of pain, opioid consumption, improvement of range of motion and early ambulation. METHODS: To analyze the benefits of periarticular drug infiltration, the patients submitted to TKA were evaluated, being separated into two groups. One group received the local periarticular infiltration protocol containing 0...
March 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642164/joint-loading-and-proximal-tibia-subchondral-trabecular-bone-microarchitecture-differ-with-walking-gait-patterns-in-end-stage-knee-osteoarthritis
#7
Bryant C Roberts, Lucian B Solomon, Graham Mercer, Karen J Reynolds, Dominic Thewlis, Egon Perilli
OBJECTIVES: To (1) stratify subgroups according to their distinct walking gait patterns in end-stage knee osteoarthritis (OA) patients; (2) compare measures of joint loading and proximal tibia subchondral trabecular bone (STB) microarchitecture among subgroups. DESIGN: Twenty-five knee OA patients undergoing total knee arthroplasty had pre-operative gait analysis. Following surgery, excised tibial plateaus were micro-CT-scanned and STB microarchitecture analysed in four tibial condylar regions of interest...
June 19, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28641971/comorbidities-have-a-greater-impact-than-age-alone-in-the-outcomes-of-octogenarian-total-knee-arthroplasty
#8
Kae Sian Tay, Eric W L Cher, Karen Zhang, Seang Beng Tan, Tet Sen Howe, Joyce S B Koh
BACKGROUND: Increasing age and various comorbidities are known risk factors for complications after total knee arthroplasty (TKA), but data on the impact of total comorbidity burden is scarce. We investigated the effect of age and total comorbidity burden on outcomes after primary TKA in octogenarians (OGs). METHODS: A matched-pair comparison study was conducted using prospectively collected TKA registry data in a large tertiary institution. Between 2006 and 2011, consecutive OGs undergoing primary unilateral TKA, with minimum 2-year follow-up, were matched 1:1 with younger controls based on demographic and surgical variables...
May 31, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28641330/use-of-shorter-intramedullary-guide-for-ipsilateral-total-knee-arthroplasty-following-prior-total-hip-arthroplasty
#9
Bradley T Webb, Slif D Ulrich, Kenneth G W MacKinlay, Langan S Smith, Arthur L Malkani
No abstract text is available yet for this article.
June 22, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28639008/evaluation-of-running-knotless-barbed-suture-for-capsular-closure-in-primary-total-knee-arthroplasty-for-osteoarthritis-a-prospective-randomized-study
#10
Rajesh Malhotra, Vaibhav Jain, Vijay Kumar, Deepak Gautam
AIMS: This study was conducted to compare the barbed vs. traditional suture technique in capsular closure of total knee arthroplasty in terms of closure time, cost, needle prick injury, post-operative complication, blood loss and post-operative function. PATIENTS AND METHODS: Eighty patients in a barbed suture group and 90 in a traditional group were enrolled in this prospective randomized study. RESULTS: Barbed suture was associated with 4...
June 21, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28637438/the-efficacy-and-safety-of-tranexamic-acid-in-revision-total-knee-arthroplasty-a-meta-analysis
#11
Peng Tian, Wen-Bin Liu, Zhi-Jun Li, Gui-Jun Xu, Yu-Ting Huang, Xin-Long Ma
BACKGROUND: There is no consistent conclusion regarding the efficacy and safety of the intravenous administration of tranexamic acid (TXA) for reducing blood loss in revision total knee arthroplasty (TKA). We performed a meta-analysis of comparative trials to evaluate the efficacy and safety of TXA in revision TKA. METHODS: We conducted a search of PubMed, EMBASE, The Cochrane Library and Web of Science for randomized controlled trials (RCTs) and non-RCTs. Two authors selected the studies, extracted the data, and assessed the risk of bias independently...
June 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28637433/postoperative-alignment-of-tka-in-patients-with-severe-preoperative-varus-or-valgus-deformity-is-there-a-difference-between-surgical-techniques
#12
Stefan Rahm, Roland S Camenzind, Andreas Hingsammer, Christopher Lenz, David E Bauer, Mazda Farshad, Sandro F Fucentese
BACKGROUND: There have been conflicting studies published regarding the ability of various total knee arthroplasty (TKA) techniques to correct preoperative deformity. The purpose of this study was to compare the postoperative radiographic alignment in patients with severe preoperative coronal deformity (≥10° varus/valgus) who underwent three different TKA techniques; manual instrumentation (MAN), computer navigated instrumentation (NAV) and patient specific instrumentation (PSI). METHODS: Patients, who received a TKA with a preoperative coronal deformity of ≥10° with available radiographs were included in this retrospective study...
June 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28634540/improvement-of-walking-ability-during-postoperative-rehabilitation-with-the-hybrid-assistive-limb-after-total-knee-arthroplasty-a-randomized-controlled-study
#13
Yohei Tanaka, Hiroyuki Oka, Shuichi Nakayama, Takaaki Ueno, Ko Matsudaira, Toshiki Miura, Kiyokazu Tanaka, Sakae Tanaka
OBJECTIVE: We aimed to compare the efficacies of rehabilitation with the hybrid assistive limb and conventional rehabilitation after total knee arthroplasty. MATERIALS AND METHODS: A total of 37 consecutive patients who underwent primary total knee arthroplasty for knee osteoarthritis were enrolled. Seven patients withdrew from the study after randomization, and 30 patients (hybrid assistive limb group: n = 16; conventional group: n = 14) completed the randomized controlled trial...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28634320/comparison-of-2-analgesia-modalities-in-total-knee-replacement-surgery-is-there-an-effect-on-knee-function-rehabilitation
#14
Janis Zinkus, Lina Mockutė, Arūnas Gelmanas, Ramūnas Tamošiūnas, Arūnas Vertelis, Andrius Macas
BACKGROUND We compared the effects of continuous femoral nerve block (CFNB) and continuous intraarticular block (CIAB) on pain, functional recovery and adverse effects after total knee arthroplasty (TKA). MATERIAL AND METHODS We prospectively randomized 54 patients undergoing TKA into 2 groups: CFNB (Group F) and CIAB (Group I). Surgery was performed under spinal anesthesia. All patients received patient-controlled analgesia (PCA) with morphine, diclofenac, and acetaminophen for the first 72 h postoperatively...
June 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28634096/reconstruction-of-disrupted-extensor-mechanism-after-total-knee-arthroplasty
#15
C T Lim, Derek F Amanatullah, James I Huddleston, Alex H S Harris, Katherine L Hwang, William J Maloney, Stuart B Goodman
BACKGROUND: Disruption of the extensor mechanism after total knee arthroplasty (TKA) is a debilitating complication that results in extension lag, limited range of motion, difficulty in walking, frequent falls, and chronic pain. This study presents the clinical and radiographic results of reconstruction after extensor mechanism disruption in TKA patients. METHODS: Consecutive patients with allograft reconstruction of extensor mechanism after TKA were identified retrospectively from an academic tertiary center for revision TKA...
May 11, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28634095/comparative-effectiveness-and-safety-of-drug-prophylaxis-for-prevention-of-venous-thromboembolism-after-total-knee-arthroplasty
#16
Guy Cafri, Elizabeth W Paxton, Yuexin Chen, Craig T Cheetham, Michael K Gould, Janet Sluggett, Stefano A Bini, Monti Khatod
BACKGROUND: Rates of venous thromboembolism in contemporary studies of primary total knee arthroplasty (TKA) have been reported to be as high as 3.5%. Although drug prophylaxis is effective, the best option among these regimens is not well established. The purpose of this study was to evaluate the comparative effectiveness and safety of aspirin, low-molecular-weight heparin, synthetic pentasaccharide factor Xa inhibitors, and vitamin K antagonist. METHODS: Data were from a US total joint replacement registry, with 30,499 patients receiving unilateral TKA from May 16, 2006, to December 31, 2013...
May 31, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28634091/a-simple-method-associated-with-reduced-opioid-consumption-after-total-knee-arthroplasty
#17
Alfred C Kuo, Eva Grotkopp
BACKGROUND: Most patients experience moderate to severe pain after total knee arthroplasty (TKA). We hypothesized that intraoperative treatment of cut bone surfaces with local anesthetic (preimplantation immersion anesthesia, PIA) would lead to decreased postoperative pain and opioid consumption. METHODS: Records of 76 patients who underwent unilateral, cemented TKA were retrospectively reviewed. For PIA patients, surgical wounds were immersed in local anesthetic solution immediately prior to component implantation...
May 22, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28633186/erratum-early-removal-of-drainage-tube-after-fast-track-primary-total-knee-arthroplasty
#18
Shaoyun Zhang, Bin Xu, Qiang Huang, Huan Yao, Jinwei Xie, Fuxing Pei
No abstract text is available yet for this article.
June 20, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28632601/navigation-in-total-knee-arthroplasty-a-procedure-whose-time-has-not-come-commentary-on-an-article-by-young-hoo-kim-md-et-al-the-clinical-outcome-of-computer-navigated-compared-with-conventional-knee-arthroplasty-in-the-same-patients-a-prospective-randomized
#19
https://www.readbyqxmd.com/read/28632587/the-clinical-outcome-of-computer-navigated-compared-with-conventional-knee-arthroplasty-in-the-same-patients-a-prospective-randomized-double-blind-long-term-study
#20
Young-Hoo Kim, Jang-Won Park, Jun-Shik Kim
BACKGROUND: The available comparative studies of computer navigation-assisted and conventional knee arthroplasties have short-term follow-up periods. Therefore, the clinical benefits after long-term follow-up are not clear. The purposes of the current long-term study were to compare clinical outcomes, alignment of the knee components, prevalence of aseptic loosening of the components, implant survival, and complications of total knee arthroplasties performed with and without computer navigation...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
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