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https://www.readbyqxmd.com/read/28430692/lack-of-association-between-the-use-of-nerve-blockade-and-the-risk-of-postoperative-chronic-opioid-use-among-patients-undergoing-total-knee-arthroplasty-evidence-from-the-marketscan-database
#1
Eric C Sun, Brian T Bateman, Stavros G Memtsoudis, Mark D Neuman, Edward R Mariano, Laurence C Baker
BACKGROUND: Total knee arthroplasty (TKA) is associated with high rates of prolonged opioid use after surgery (10%-34%). By decreasing opioid use in the immediate postoperative period, perioperative nerve blockade has been hypothesized to decrease the risk of persistent opioid use. METHODS: Using health care utilization data, we constructed a sample of 120,080 patients undergoing TKA between 2002 and 2012 and used billing data to identify the utilization of peripheral or neuraxial blockade...
April 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28429967/knee-arthroscopic-surgery-in-middle-aged-patients-with-meniscal-symptoms-a-3-year-follow-up-of-a-prospective-randomized-study
#2
Håkan Gauffin, Sofi Sonesson, Andreas Meunier, Henrik Magnusson, Joanna Kvist
BACKGROUND: The optimal treatment for middle-aged patients with knee pain and meniscal lesions has been extensively debated. Most previous studies have revealed only short-term beneficial results of knee arthroscopic surgery. The authors have previously shown a positive benefit of knee arthroscopic surgery and an exercise program after 1 year when compared with an exercise program alone. PURPOSE: To evaluate if knee arthroscopic surgery combined with an exercise program provided an additional long-term benefit after 3 years compared with an exercise program alone in middle-aged patients with meniscal symptoms...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28428036/giantcell-tumor-of-tendon-sheath-open-surgery-or-arthroscopic-synovectomy-a-systematic-review-of-the-literature
#3
REVIEW
Thibaut Noailles, Kevin Brulefert, Sylvain Briand, Pierre Marie Longis, Kevin Andrieu, Antoine Chalopin, François Gouin
PURPOSE: Giantcell tumor of tendon sheath(GCTTS)formelyknowned as pigmented villonodular synovitis (PVNS) is a benign, locally aggressive, proliferative disorder of the synovium involving a joint, bursa, or tendon sheath. Treatment ofGCTTSinvolves early surgical resection to limit articular destruction and the risk of recurrence. Synovectomy remains the treatment of choice forGCTTSbut without clear consensus to make an open or arthroscopic synovectomy andno certainty on the responsibility of surgery in the evolution towards the degenerative osteoarthritis...
April 17, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28426262/feasibility-of-outpatient-total-hip-and-knee-arthroplasty-in-unselected-patients
#4
Kirill Gromov, Per Kjærsgaard-Andersen, Peter Revald, Henrik Kehlet, Henrik Husted
Background and purpose - The number of patients who are suitable for outpatient total hip and knee arthroplasty (THA and TKA) in an unselected patient population remains unknown. The purpose of this prospective 2-center study was to identify the number of patients suitable for outpatient THA and TKA in an unselected patient population, to investigate the proportion of patients who were discharged on the day of surgery (DOS), and to identify reasons for not being discharged on the DOS. Patients and methods - All consecutive, unselected patients who were referred to 2 participating centers and who were scheduled for primary THA and TKA were screened for eligibility for outpatient surgery with discharge to home on DOS...
April 20, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28426101/cancer-risk-among-21st-century-blood-transfusion-recipients
#5
T O Yang, B J Cairns, G K Reeves, J Green, V Beral
Background: Some carcinogenic viruses are known to be transmissible by blood transfusion. Intensive viral screening of transfused blood now exists in most countries. In the UK, high-sensitivity nucleic acid amplification tests for hepatitis C virus were introduced in 1999 and it was thought that this would reduce, and possibly eliminate, transfusion-related liver cancer. We aimed to investigate cancer risk in recipients of blood transfusion in 2000 or after. Methods: A total of 1...
February 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28425055/what-are-the-oncologic-and-functional-outcomes-after-joint-salvage-resections-for-juxtaarticular-osteosarcoma-about-the-knee
#6
Jing Li, Zhen Wang, Chuanlei Ji, Guojing Chen, Dong Liu, Haodong Zhu
BACKGROUND: Joint salvage surgery for patients with juxtaarticular osteosarcoma remains challenging, especially when the tumor invades the epiphysis. Because patients are surviving longer with current chemotherapy regimens, it is advantageous to retain native joints if possible, especially in young patients. However, the results using joint-preserving tumor resections in this context have not been well characterized. QUESTIONS/PURPOSES: (1) What are the functional outcomes after limb salvage surgery at a minimum of 3 years? (2) What are the oncologic outcomes? (3) Is joint salvage surgery for epiphyseal tumors associated with an increased risk of local recurrence compared with metaphyseal tumors not invading the epiphysis? (4) What are the complications associated with joint salvage surgery? METHODS: Between 2004 and 2013, we treated 117 patients with juxtaarticular osteosarcoma; of those, 43 (38%) were treated with joint salvage surgery, and 41 (95%) of the 43 patients are included in our study...
April 19, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28424026/walking-ability-following-hybrid-assistive-limb-treatment-for-a-patient-with-chronic-myelopathy-after-surgery-for-cervical-ossification-of-the-posterior-longitudinal-ligament
#7
Shigeki Kubota, Tetsuya Abe, Hideki Kadone, Kengo Fujii, Yukiyo Shimizu, Aiki Marushima, Tomoyuki Ueno, Hiroaki Kawamoto, Yasushi Hada, Akira Matsumura, Yoshiyuki Sankai, Masashi Yamazaki
CONTEXT: The hybrid assistive limb (HAL) (the wearable robot) can assist kinesis during voluntary control of hip and knee joint motion by detecting the wearer's bioelectric signals on the surface of their skin. The purpose of this study was to report on walking ability following the wearable robot treatment in a patient with chronic myelopathy after surgery for cervical ossification of the posterior longitudinal ligament (OPLL). FINDINGS: The patient was a 66-year-old woman with cervical OPLL who was able to ambulate independently with the aid of bilateral crutches...
April 20, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28420447/ck2-1-a-bone-morphogenetic-protein-receptor-type-ia-mimetic-peptide-repairs-cartilage-in-mice-with-destabilized-medial-meniscus
#8
Hemanth Akkiraju, Padma Pradeepa Srinivasan, Xian Xu, Xinqiao Jia, Catherine B Kirn Safran, Anja Nohe
BACKGROUND: Osteoarthritis (OA) of the knee involves degeneration of articular cartilage of the diarthrodial joints. Current treatment options temporarily relieve the joint pain but do not restore the lost cartilage. We recently designed a novel bone morphogenetic protein receptor type I (BMPRI) mimetic peptide, CK2.1, that activates BMPRIa signaling in the absence of bone morphogenetic protein (BMP). Our previous research demonstrated that CK2.1 induced chondrogenesis in vitro and in vivo; however, it is unknown if CK2...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28420082/can-early-rehabilitation-prevent-posttraumatic-osteoarthritis-in-the-patellofemoral-joint-after-anterior-cruciate-ligament-rupture-understanding-the-pathological-features
#9
Nai-Jen Chang, Ming-You Shie, Kuan-Wei Lee, Pei-Hsi Chou, Chih-Chan Lin, Chih-Jou Chu
Knee instability resulting from anterior cruciate ligament (ACL) rupture is a high-risk factor for posttraumatic osteoarthritis (PTOA) in the patellofemoral joint (PFJ). However, whether non-weight-bearing and weight-bearing treatments have chondroprotective effects remains unclear. Twenty-four adult New Zealand White male rabbits were employed in this study. All animals received ACL transection in the right knee and sham surgery in the left knee. The rabbits were randomly assigned to the following groups: (I) In the sedentary (SED) group, the rabbits (n = 6) were simply kept in their cage; (II) In the continuous passive motion (CPM) group, the rabbits (n = 6) performed CPM exercise for 7 days, starting from the first postoperative day; (III) In the active treadmill exercise (TRE) group, the rabbits (n = 6) performed TRE for 2 weeks; (IV) In the CPM + TRE group, the rabbits (n = 6) executed CPM exercise, followed by TRE...
April 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28419817/objectively-measured-physical-activity-in-patients-after-anterior-cruciate-ligament-reconstruction
#10
David R Bell, Karin A Pfeiffer, Lisa A Cadmus-Bertram, Stephanie M Trigsted, Adam Kelly, Eric G Post, Joseph M Hart, Dane B Cook, Warren R Dunn, Christopher Kuenze
BACKGROUND: Returning to a healthy level of physical activity is among the most commonly discussed clinical goals for patients recovering from anterior cruciate ligament reconstruction (ACLR). However, physical activity has not been objectively measured in this population. PURPOSE: To investigate differences in the mean time (min/d) spent in moderate-to-vigorous physical activity (MVPA) as well as the daily step count (steps/d) between patients who underwent ACLR and matched controls...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28419808/outcomes-after-1-stage-versus-2-stage-revision-anterior-cruciate-ligament-reconstruction
#11
Justin J Mitchell, Jorge Chahla, Chase S Dean, Mark Cinque, Lauren M Matheny, Robert F LaPrade
BACKGROUND: Revision anterior cruciate ligament reconstruction (ACLR) is becoming increasingly common as the number of primary ACLR cases continues to rise. Despite this, there are limited data on the outcomes of revision ACLR and even less information specifically addressing the differences in 1-stage revision reconstruction versus those performed in a 2-stage fashion after primary reconstruction. PURPOSE: To compare the outcomes, patient satisfaction, and failure rates of 1-stage versus 2-stage revision ACLR...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28418574/inadequacy-of-joint-aspiration-for-detection-of-persistent-periprosthetic-infection-during-two-stage-septic-revision-knee-surgery
#12
Bernd Preininger, Viktor Janz, Philipp von Roth, Andrej Trampuz, Carsten F Perka, Tilman Pfitzner
Despite the lack of validation, synovial aspiration remains a common practice during 2-stage septic revision total knee arthroplasty (TKA). The goal of this study was to investigate the diagnostic validity of synovial polymethylmethacrylate (PMMA) spacer aspiration of temporary knee arthrodesis to detect persistent periprosthetic joint infection before TKA reimplantation. This retrospective cohort study included 73 consecutive patients who underwent 2-stage septic revision TKA according to a standard protocol...
April 18, 2017: Orthopedics
https://www.readbyqxmd.com/read/28417183/patella-height-is-not-altered-by-descending-medial-open-wedge-high-tibial-osteotomy-hto-compared-to-ascending-hto
#13
Matthias Krause, Tobias Claus Drenck, Alexander Korthaus, Achim Preiss, Karl-Heinz Frosch, Ralph Akoto
PURPOSE: The primary purpose of the study was to gain insight into geometric changes of the patellar height (PH) and posterior tibial slope (PTS) after a biplanar ascending medial open-wedge high tibial osteotomy (HTO) compared to biplanar descending medial open-wedge HTO in patients with genu varum. METHODS: Sixty-four patients (mean age 45.2 ± 8.7 years, females n = 24, males n = 40) with varus malalignment and medial gonarthrosis were retrospectively studied...
April 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28416997/comparison-of-intrathecal-versus-intra-articular-dexmedetomidine-as-an-adjuvant-to-bupivacaine-on-postoperative-pain-following-knee-arthroscopy-a-randomized-clinical-trial
#14
Eman A Ismail, Jehan A Sayed, Mohamed H Bakri, Reda Z Mahfouz
BACKGROUND: Postoperative pain is a common, distressing symptom following arthroscopic knee surgery. The aim of this study was to compare the potential analgesic effect of dexmedetomidine after intrathecal versus intra-articular administration following arthroscopic knee surgery. METHODS: Ninety patients undergoing unilateral elective arthroscopic knee surgery were randomly assigned into three groups in a double-blind placebo controlled study. The intrathecal dexmedetomidine group (IT) received an intrathecal block with intrathecal dexmedetomidine, the intra-articular group (IA) received an intrathecal block and intra-articular dexmedetomidine, and the control group received an intrathecal block and intra-articular saline...
April 2017: Korean Journal of Pain
https://www.readbyqxmd.com/read/28416968/safety-and-efficacy-of-resistive-polymer-versus-forced-air-warming-in-total-joint-surgery
#15
Melanie F Sandoval, Paul D Mongan, Michael R Dayton, Craig A Hogan
BACKGROUND: Forced-air warming is used as a mechanism to prevent hypothermia and adverse outcomes associated with hypothermia among patients undergoing surgery. Patient safety in healthcare includes the use of devices and technology that minimize potential adverse events to patients. The present study sought to compare the capabilities of patient warming between two different devices that use different mechanisms of warming: forced-air warming and non-air warming. METHODS: One hundred twenty patients undergoing total hip or total knee arthroplasty received patient warming via a forced warming device or non-air warming fabric conductive material...
2017: Patient Safety in Surgery
https://www.readbyqxmd.com/read/28416838/-clinical-research-on-robot-assisted-percutaneous-pelvic-and-acetabular-screws-surgery
#16
C P Zhao, J Q Wang, Y G Su, W Han, L Zhou, M Y Wang
OBJECTIVE: To evaluate the security and efficiency of a surgical robotic assisted percutaneous screw fixation for the treatment of pelvic and acetabular fractures. METHODS: In the study, 12 patients with pelvic and acetabular fractures who were treated in Beijing Jishuitan Hospital from January to April in 2016 were involved in this research. The research subjects were randomly divided into two groups: the experimental group and the control group. Robotic-assisted percutaneous sacroiliac screw internal fixations were performed under the guidance of fluoroscopy navigation in the experimental group; in the control group, doctors operated manually guided by fluoroscopy...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28416824/-gait-analysis-at-the-early-stage-after-direct-anterior-approach-in-total-hip-arthroplasty
#17
H Y Wang, P D Kang, Y Nie, H Y Zhao, Z Y Yang, F X Pei
OBJECTIVE: To evaluate the result of operation and gait analysis at the early stage after direct anterior approach (DAA) in total hip arthroplasty (THA). METHODS: In this study, 20 patients who suffered from necrosis of femoral head or developmental dysplasia of the hip were scheduled to undergo THA. The basic information and visual analogue scale (VAS) score, Harris score before and after surgery were recorded. All of the patients finished the gait analysis before the surgery and 6 weeks and 12 weeks after the surgery, the data were compared with those of normal adult people...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28416088/a-novel-mis-technique-for-posterior-cruciate-ligament-avulsion-fractures
#18
Ashok S Gavaskar, Bhupesh Karthik, Hitesh Gopalan, Parthasarathy Srinivasan, Naveen C Tummala
OBJECTIVE: Open surgical approaches to treat tibial avulsion fractures of the posterior cruciate ligament (PCL) often use large incisions involving extensive muscle dissection and retraction. The objective of this study was to describe a new mini-invasive approach targeting the fractured zone, to minimize surgical dissection and improve recovery and rehabilitation. METHODS: The new approach was used in 15 males and seven females with isolated PCL avulsions. The length of the surgical incision, surgical time, need for conversion to open technique, visual analog scores (VAS) and duration of hospital stay were studied to assess the efficacy, learning curve and advantages of the new technique...
April 13, 2017: Knee
https://www.readbyqxmd.com/read/28414917/epidemiology-of-knee-sprains-in-youth-high-school-and-collegiate-american-football-players
#19
Daniel R Clifton, James A Onate, Eric Schussler, Aristarque Djoko, Thomas P Dompier, Zachary Y Kerr
CONTEXT:   Variations in knee-sprain incidence among competition levels are unclear but may help inform prevention strategies in American football players. OBJECTIVE:   To describe the epidemiology of knee sprains in youth, high school, and collegiate football players. DESIGN:   Descriptive epidemiology study. SETTING:   Injury and athlete-exposure (AE) data were collected from 3 injury-surveillance programs at the youth, high school, and collegiate competition levels...
April 17, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28413859/meniscus-articular-cartilage-and-nucleus-pulposus-a-comparative-review-of-cartilage-like-tissues-in-anatomy-development-and-function
#20
REVIEW
Song Chen, Peiliang Fu, Haishan Wu, Ming Pei
The degradation of cartilage in the human body is impacted by aging, disease, genetic predisposition and continued insults resulting from daily activity. The burden of cartilage defects (osteoarthritis, rheumatoid arthritis, intervertebral disc damage, knee replacement surgeries, etc.) is daunting in light of substantial economic and social stresses. This review strives to broaden the scope of regenerative medicine and tissue engineering approaches used for cartilage repair by comparing and contrasting the anatomical and functional nature of the meniscus, articular cartilage (AC) and nucleus pulposus (NP)...
April 17, 2017: Cell and Tissue Research
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