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https://www.readbyqxmd.com/read/28445775/changes-in-social-isolation-and-loneliness-following-total-hip-and-knee-arthroplasty-longitudinal-analysis-of-the-english-longitudinal-study-of-ageing-elsa-cohort
#1
Toby O Smith, Jack R Dainty, Alex Macgregor
OBJECTIVE: To determine the prevalence and change in social isolation and loneliness in people before and after THA and TKA in England. DESIGN: The English Longitudinal Study of Ageing dataset, a prospective study of community-dwelling older adults, was used to identify people who had undergone primary THA or TKA because of osteoarthritis. Social isolation was assessed using the ELSA Social Isolation Index. Loneliness was evaluated using the Revised University of California, Los Angeles (UCLA) Loneliness Scale...
April 23, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28445317/timing-of-tourniquet-release-in-total-knee-arthroplasty-a-meta-analysis
#2
Pei Zhang, Yuan Liang, Jinshan He, Yongchao Fang, Pengtao Chen, Jingcheng Wang
BACKGROUND: For total knee arthroplasty (TKA), the tourniquet is routinely employed for better visualization, less blood loss, and easier cementation. However, the time to release tourniquet remains controversial. Therefore, we performed current meta-analysis to assess whether releasing tourniquet before wound closure is more effective in reducing blood loss than releasing tourniquet after wound closure in TKA without an increased risk of complications. METHODS: To conduct this meta-analysis, we searched Medline, Embase, Web of science, and the Cochrane library up to November 2016, for randomized controlled trials comparing tourniquet releasing before and after wound closure in TKA...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445306/the-efficacy-and-safety-of-epinephrine-for-postoperative-bleeding-in-total-joint-arthroplasty-a-prisma-compliant-meta-analysis
#3
Yanbin Teng, Jianxiong Ma, Xinlong Ma, Ying Wang, Bin Lu, Chaowei Guo
BACKGROUND: Total joint arthroplasty (TJA) usually results in postoperative bleeding. Some randomized controlled trials (RCTs) and nonrandomized controlled trials (non-RCTs) have been performed to evaluate the effects of epinephrine on postoperative bleeding after TJA. However, this remained controversial about the efficacy and safety of epinephrine for postoperative bleeding in TJA. The objective of our meta-analysis was to compare the overall effect and safety of epinephrine and placebo for postoperative bleeding in TJA...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28443790/do-pilates-based-exercises-following-total-knee-arthroplasty-improve-postural-control-and-quality-of-life
#4
Aysenur Karaman, Inci Yuksel, Gizem Irem Kinikli, Omur Caglar
PURPOSE: The aim of this prospective, randomized, controlled study was to investigate the effects of the addition of Pilates-based exercises to standard exercise programs performed after total knee arthroplasty on quality of life and balance. METHOD: Forty-six volunteers were divided into two groups. The control group (n = 17) was assigned a standard exercise program after discharge; the study group (n = 17) was assigned Pilates-based exercises along with the standard exercise program...
April 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28442852/perioperative-systemic-glucocorticoids-in-total-hip-and-knee-arthroplasty-a-systematic-review-of-outcomes
#5
REVIEW
Jeffrey Hartman, Vickas Khanna, Anthony Habib, Forough Farrokhyar, Muzammil Memon, Anthony Adili
BACKGROUND: Perioperative systemic glucocorticoids are frequently included in multimodal analgesia and antiemetic regimens administered to patients undergoing total hip arthroplasty (THA) and total knee arthroplasty (TKA). The objective of this systematic review was to evaluate the available randomized controlled trials (RCTs) to determine the effect of perioperative systemic glucocorticoids on postoperative nausea and vomiting (PONV), pain, narcotic consumption, antiemetic consumption, length of stay in hospital, and major complications in patients undergoing elective THA or TKA...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28442185/modified-frailty-index-is-an-effective-risk-assessment-tool-in-primary-total-knee-arthroplasty
#6
Robert P Runner, Jaime L Bellamy, CatPhuong Cathy L Vu, Greg A Erens, Mara L Schenker, George N Guild
BACKGROUND: "Frailty" is a marker of physiological decline of multiple organ systems, and the frailty index identifies patients who are more susceptible to postoperative complications. The purpose of this study is to validate the modified frailty index (MFI) as a predictor of postoperative complications, reoperations, and readmissions in patients who underwent primary total knee arthroplasty (TKA). METHODS: The American College of Surgeons National Surgical Quality Improvement Program database from 2005 to 2014 was queried by the Current Procedural Terminology code for primary TKA (27447)...
March 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28440034/role-of-transcranial-direct-current-stimulation-on-reduction-of-postsurgical-opioid-consumption-and-pain-in-total-knee-arthroplasty-double-randomized-clinical-trial
#7
E M Khedr, E S A Sharkawy, A M A Attia, N M Ibrahim Osman, Z M Sayed
BACKGROUND: Postoperative pain control is an important factor in determining recovery in total knee arthroplasty (TKA).The aim of the study was to assess the efficacy of 4 sessions of transcranial direct current stimulation (tDCS) over primary motor cortex (M1) in patients undergoing unilateral TKA. MATERIALS: Fifty patients undergoing TKA were included in the study. They were divided randomly into two groups (25 patients for each, using closed envelopes): real tDCS (2 mA, 20 min, with anodal stimulation applied over M1 postoperative for 4 consecutive days) and sham tDCS...
April 25, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28439705/cementless-oxford-medial-unicompartimental-knee-replacement-an-independent-series-with-a-5-year-follow-up
#8
Benjamin Panzram, Ines Bertlich, Tobias Reiner, Tilman Walker, Sébastien Hagmann, Tobias Gotterbarm
PURPOSE: Cemented unicompartmental knee replacement (UKR) has proven excellent long-term survival rates and functional scores in Price et al. (Clin Orthop Relat Res 435:171-180, 2005), Price and Svard (Clin Orthop Relat Res 469(1):174-179, 2011) and Murray et al. (Bone Joint Surg Br 80(6):983-989, 1998). The main causes for revision, aseptic loosening and pain of unknown origin might be addressed by cementless UKR in Liddle et al. (Bone Joint J 95-B(2):181-187, 2013), Pandit et al. (J Bone Joint Surg Am 95(15):1365-1372, 2013), National Joint Registry for England, Wales and Northern Ireland: 10th Annual Report 2013 ( http://www...
April 24, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28439702/a-comparison-of-apixaban-and-dabigatran-etexilate-for-thromboprophylaxis-following-hip-and-knee-replacement-surgery
#9
Adriane Mayer, Philipp Schuster, Bernd Fink
INTRODUCTION: Patients who have undergone hip or knee replacement surgery are exposed to a high risk of developing a post-operative venous thromboembolus and so have a need for an effective, medication-based, thrombosis prophylaxis. New orally active anticoagulants have been available for a few years now. These specific substances directly block either thrombin (e.g., dabigatran etexilate) or Factor Xa (e.g., apixaban). It is not clear whether there are any efficacy differences between these two substances because there have never been any head-to-head studies carried out...
April 24, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28439701/the-influence-of-different-sets-of-surgical-instrumentation-in-oxford-uka-on-bearing-size-and-component-position
#10
Tilman Walker, Pascal Heinemann, Thomas Bruckner, Marcus R Streit, Stefan Kinkel, Tobias Gotterbarm
INTRODUCTION: The Oxford unicompartmental knee arthroplasty (OUKA) has been proven to be an effective treatment for anteromedial osteoarthritis of the knee joint. New instrumentation has been introduced to improve the reproducibility of implant positioning and to minimize bone loss during tibial resection (Oxford Microplasty; Zimmer Biomet, Warsaw, Indiana, USA). METHODS: To assess the effect of the new instrumentation, we retrospectively evaluated the postoperative radiographs and surgical records of 300 OUKAs in three consecutive cohorts of patients...
April 24, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28439638/total-knee-arthroplasty-using-ultra-congruent-inserts-can-provide-similar-stability-and-function-compared-with-cruciate-retaining-total-knee-arthroplasty
#11
Eun-Kyoo Song, Hong-An Lim, Sang-Don Joo, Sung-Kyu Kim, Keun-Bae Lee, Jong-Keun Seon
PURPOSE: Recently, ultra-congruent (UC) inserts have shown successful outcomes following total knee arthroplasty (TKA). It was hypothesized that patients in the UC group would not show significantly different in vivo stability or functional outcomes from those in the cruciate-retaining (CR) group. METHODS: The prospective study enrolled patients who had been treated with either CR or UC TKAs (38 cases in each group), after a minimum 3-year follow-up. The same surgical technique was used with the same femoral components in both groups except for the polyethylene inserts (CR or UC)...
April 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28439637/tibiofemoral-rotational-alignment-affects-flexion-angles-in-navigated-posterior-stabilized-total-knee-arthroplasty
#12
Kazunari Ishida, Nao Shibanuma, Tomoyuki Matsumoto, Akihiko Toda, Shinya Oka, Kazuki Kodato, Koji Takayama, Masahiro Kurosaka, Ryosuke Kuroda
PURPOSE: To investigate the tibiofemoral rotational profiles during navigated posterior-stabilized (PS) total knee arthroplasty (TKA) and investigate the effect on post-operative maximum flexion angles. METHODS: Twenty-five subjects, treated with navigated PS TKA, were enrolled, and the effect of posterior cruciate ligament (PCL) resection and component implantation on tibiofemoral rotational kinematics was statistically evaluated. Then, the effect of rotational alignment changes on the post-operative maximum angles was retrospectively examined in 96 subjects using the multiple regression analysis...
April 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28439636/kinematic-alignment-is-a-possible-alternative-to-mechanical-alignment-in-total-knee-arthroplasty
#13
Yong Seuk Lee, Stephen M Howell, Ye-Yeon Won, O-Sung Lee, Seung Hoon Lee, Hamed Vahedi, Seow Hui Teo
PURPOSE: A systematic review was conducted to answer the following questions: (1) Does kinematically aligned (KA) total knee arthroplasty (TKA) achieve clinical outcomes comparable to those of mechanically aligned (MA) TKA? (2) How do the limb, knee, and component alignments differ between KA and MA TKA? (3) How is joint line orientation angle (JLOA) changed from the native knee in KA TKA compared to that in MA TKA? METHODS: Nine full-text articles in English that reported the clinical and radiological outcomes of KA TKA were included...
April 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28439486/bilateral-simultaneous-revision-total-knee-arthroplasty-as-a-single-staged-procedure-a-case-report-and-review-of-literature
#14
Raju Vaishya, Amit Kumar Agarwal, Chirag Jaiswal, Vipul Vijay, Abhishek Vaish
Bilateral revision total knee arthroplasty (TKA) is a surgical procedure, which is rarely done simultaneously as it is a difficult surgery and the safety of simultaneous bilateral single stage surgery remains unknown. We report a case of a 67-year-old woman who presented to us with bilateral painful and unstable TKA (right > left) of six months duration. The primary bilateral TKA were done 14 years ago. Bilateral simultaneous revision TKA was performed, using cemented, constrained, long-stem prostheses. The intraoperative and postoperative periods remained uneventful...
March 23, 2017: Curēus
https://www.readbyqxmd.com/read/28438034/changes-in-physical-activity-following-total-hip-or-knee-arthroplasty-a-matched-case-control-study-from-the-epic-norfolk-cohort
#15
Toby Smith, Thomas Withers, Robert Luben, Catherine Sackley, Andy Jones, Alex MacGregor
OBJECTIVE: To assess self-reported physical activity changes pre- compared to post-operatively in patients undergoing total hip or knee arthroplasty, and to compare this to an age- and gender-matched cohort of people who have not undergone arthroplasty. DESIGN: Population-based prospective cohort study. SETTING: Norfolk, United Kingdom. SUBJECTS: People who had undergone hip or knee arthroplasty, compared to an age- and gender-matched non-arthroplasty cohort...
April 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28437757/abnormal-loading-and-functional-deficits-are-present-in-both-limbs-before-and-after-unilateral-knee-arthroplasty
#16
A J Metcalfe, C J Stewart, N J Postans, P R Biggs, G M Whatling, C A Holt, A P Roberts
Unilateral knee replacement is often followed by a contralateral replacement in time and the biomechanics of the other knee before and after knee replacement remains poorly understood. The aim of this paper is to distinguish the features of arthritic gait in the affected and unaffected legs relative to a normal population and to assess the objective recovery of gait function post-operatively, with the aim of defining patients at risk of poor post-operative function. Twenty patients with severe knee OA but no pain or deformity in any other lower limb joint were compared to twenty healthy subjects of the same age...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28437755/an-in-vitro-study-of-cartilage-meniscus-tribology-to-understand-the-changes-caused-by-a-meniscus-implant
#17
Sara Ehsani Majd, Aditya Iman Rizqy, Hans J Kaper, Tannin A Schmidt, Roel Kuijer, Prashant K Sharma
Active lifestyles increase the risk of meniscal injury. A permanent meniscus implant of polycarbonate urethane (PCU) is a promising treatment to postpone/prevent total knee arthroplasty. Study of the changes in articular cartilage tribology in the presence of PCU is essential in developing the optimum meniscus implant. Therefore, a cartilage-meniscus reciprocating, sliding model was developed in vitro, mimicking the stance and swing phases of the gait cycle. The meniscus was further replaced with PCU and surface-modified PCUs (with C18 chains, mono-functional polydimethylsiloxane groups and mono-functional polytetrafluoroethylene groups) to study the changes...
April 18, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28437676/superior-inferior-position-of-patellar-component-affects-patellofemoral-kinematics-and-contact-forces-in-computer-simulation
#18
Shinichiro Nakamura, Yoshihisa Tanaka, Shinichi Kuriyama, Kohei Nishitani, Hiromu Ito, Moritoshi Furu, Shuichi Matsuda
BACKGROUND: Anterior knee pain has been reported as a major postoperative complication after total knee arthroplasty, which may lead to patient dissatisfaction. Rotational alignment and the medial-lateral position correlate with patellar maltracking, which can cause knee pain postoperatively. However, the superior-inferior position of the patellar component has not been investigated. The purpose of the current study was to investigate the effects of the patellar superior-inferior position on patellofemoral kinematics and kinetics...
April 18, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28437545/union-knee-alignment-and-clinical-outcomes-of-patients-treated-with-autologous-bone-grafting-for-medial-tibial-defects-in-primary-total-knee-arthroplasty
#19
Kunihiro Hosaka, Shu Saito, Teruyasu Oyama, Hirohisa Fujimaki, Eiji Cho, Kanki Ishigaki, Yasuaki Tokuhashi
Autologous bone grafting is an established method to overcome bone deficiencies in primary total knee arthroplasty (TKA). However, recently, metal augments have been used by many surgeons. Although autologous bone grafting is a common technique, few large studies have described its success in achieving bone union in primary TKA. The goal of this study was to evaluate primary TKA with autologous bone grafting for tibial defects. A total of 68 knees that had undergone arthroplasty with autologous bone grafting with more than 1 year of follow-up were evaluated...
April 24, 2017: Orthopedics
https://www.readbyqxmd.com/read/28437496/novel-solution-for-massive-glenoid-defects-in-shoulder-arthroplasty-a-patient-specific-glenoid-vault-reconstruction-system
#20
David M Dines, Lawrence Gulotta, Edward V Craig, Joshua S Dines
Complex glenoid deformities present the most difficult challenges in shoulder arthroplasty. These deformities may be caused by severe degenerative or congenital deformity, posttraumatic anatomy, tumor, or, in most cases, bone loss after glenoid failure in anatomical total shoulder arthroplasty. Methods of treating severe bone loss have included inlay and onlay bone-graft options with augmented fixation and, in severe cases, salvage hemiarthroplasty with limited goal expectations. Unfortunately, none of these methods has provided consistently satisfactory reproducible results...
March 2017: American Journal of Orthopedics
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