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https://www.readbyqxmd.com/read/28551465/spinal-fusion-limits-upper-body-range-of-motion-during-gait-without-inducing-compensatory-mechanisms-in-adolescent-idiopathic-scoliosis-patients
#1
R M Holewijn, I Kingma, M de Kleuver, J J P Schimmel, N L W Keijsers
INTRODUCTION: Previous studies show a limited alteration of gait at normal walking speed after spinal fusion surgery for adolescent idiopathic scoliosis (AIS), despite the presumed essential role of spinal mobility during gait. This study analyses how spinal fusion affects gait at more challenging walking speeds. More specifically, we investigated whether thoracic-pelvic rotations are reduced to a larger extent at higher gait speeds and whether compensatory mechanisms above and below the stiffened spine are present...
May 17, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28551397/automated-t2-mapping-of-the-menisci-from-magnetic-resonance-images-in-patients-with-acute-knee-injury
#2
Anthony Paproki, Craig Engstrom, Mark Strudwick, Katharine J Wilson, Rachel K Surowiec, Charles Ho, Stuart Crozier, Jurgen Fripp
RATIONALE AND OBJECTIVES: This study aimed to evaluate the accuracy of an automated method for segmentation and T2 mapping of the medial meniscus (MM) and lateral meniscus (LM) in clinical magnetic resonance images from patients with acute knee injury. MATERIALS AND METHODS: Eighty patients scheduled for surgery of an anterior cruciate ligament or meniscal injury underwent magnetic resonance imaging of the knee (multiplanar two-dimensional [2D] turbo spin echo [TSE] or three-dimensional [3D]-TSE examinations, T2 mapping)...
May 24, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28551202/rapidly-growing-non-tuberculous-mycobacteria-infection-of-prosthetic-knee-joints-a-report-of-two-cases
#3
Manyoung Kim, Chul-Won Ha, Jae Won Jang, Yong-Beom Park
Non-tuberculous mycobacteria (NTM) cause prosthetic knee joint infections in rare cases. Infections with rapidly growing non-tuberculous mycobacteria (RGNTM) are difficult to treat due to their aggressive clinical behavior and resistance to antibiotics. Infections of a prosthetic knee joint by RGNTM have rarely been reported. A standard of treatment has not yet been established because of the rarity of the condition. In previous reports, diagnoses of RGNTM infections in prosthetic knee joints took a long time to reach because the condition was not suspected, due to its rarity...
May 24, 2017: Knee
https://www.readbyqxmd.com/read/28550426/clinical-radiological-and-survivorship-results-after-ten%C3%A2-years-comparing-navigated-and-conventional-total-knee-arthroplasty-a-matched-pair-analysis
#4
Clemens Baier, Jochen Wolfsteiner, Franziska Otto, Florian Zeman, Tobias Renkawitz, Hans-Robert Springorum, Günther Maderbacher, Joachim Grifka
PURPOSE: Our aim was to compare the long-term outcome between navigated and conventional total knee arthroplasty (TKA), which is currently not known. METHODS: Long-term survivorship, clinical scores and radiographic results of a matched-pair group of 350 patients (350 knees) treated with navigated (n = 157) or conventional (n = 188) TKA for osteoarthritis over a period of 11 years were reviewed retrospectively. RESULTS: The mean clinical follow-up was ten years...
May 26, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28549964/a-strange-collection-after-surgery-for-an-aneurysm-of-the-popliteal-artery
#5
Gian Franco Veraldi, Luca Mezzetto, Roberta La Mendola, Paolo Criscenti, Marco Macrì, Albino Eccher
The popliteal fossa is the site of several diseases that may be similar in the clinical setting but very different in aetiology, treatment and prognosis. The contemporary presentation of more than one of these conditions is a rare though potentially fatal combination that may lead to a delay in the diagnosis and therapeutic approach. In this report we describe the case of a patient that presented at our Vascular Department for persistent pain and severe swelling of the right popliteal fossa eight months after the surgical treatment of a symptomatic popliteal aneurysm by mean of a dacron prosthetic graft...
May 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28549902/does-corrective-spine-surgery-improve-the-standing-balance-in-patients-with-adult-spinal-deformity
#6
Mitsuru Yagi, Hideaki Ohne, Shinjiro Kaneko, Masafumi Machida, Yoshiyuki Yato, Takashi Asazuma
BACKGROUND CONTEXT: The effect of corrective spine surgery on standing stability in adult spinal deformity (ASD) has not been fully documented. PURPOSE: To compare pre- and postoperative standing balance and posture in patients with ASD. STUDY DESIGN/SETTING: Prospective case series. PATIENT SAMPLE: Standing balance before and after corrective spine surgery was compared in 35 consecutive female patients with ASD (65...
May 23, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28546014/-anesthetic-requirements-measured-by-bilateral-bispectral-analysis-and-femoral-blockade-in-total-knee-arthroplasty
#7
Maylin Koo, Javier Bocos, Antoni Sabaté, Vinyet López, Carmina Ribes
BACKGROUND AND OBJECTIVES: A continuous peripheral nerve blockade has proved benefits on reducing postoperative morphine consumption; the combination of a femoral blockade and general anesthesia on reducing intraoperative anesthetic requirements has not been studied. The objective of this study was to determine the relevance of timing in the performance of femoral block to intraoperative anesthetic requirements during general anesthesia for total knee arthroplasty. METHODS: A single-center, prospective cohort study on patients scheduled for total knee arthroplasty, were sequentially allocated to receive 20mL of 2% mepivacaine throughout a femoral catheter, prior to anesthesia induction (Preoperative) or when skin closure started (Postoperative)...
May 22, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28545177/mid-term-results-of-oxford-medial-unicompartmental-knee-arthroplasty-in-young-asian-patients-less-than-60-years-of-age-a-minimum-5-year-follow-up
#8
Yeong-Joon Kim, Bu-Hwan Kim, Seong-Ho Yoo, Suk-Woong Kang, Chang-Hun Kwack, Moo-Ho Song
Purpose: The purpose of this study was to evaluate the efficacy of unicompartmental knee arthroplasty (UKA) in young active Asian patients by analyzing clinical outcomes, complications and survival rates. Materials and Methods: Eighty-two knees were evaluated with a minimum follow-up of 5 years after Oxford phase 3 UKA in patients less than 60 years of age at the time of surgery. Their mean age was 54.7 years (range, 44 to 59 years). The mean follow-up period was 8...
June 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28545174/causes-and-clinical-outcomes-of-revision-total-knee-arthroplasty
#9
Dong-Hyun Lee, Seung-Hun Lee, Eun-Kyoo Song, Jong-Keun Seon, Hong-An Lim, Hong-Yeol Yang
Purpose: The purpose of this study was to evaluate causes and clinical outcomes of revision total knee arthroplasty (TKA) with a minimum 2-year follow-up. Materials and Methods: We performed a retrospective review on the records of 225 revision TKAs performed from 2003 to 2012 at a single institution. Finally, 206 cases were conducted. To evaluate clinical outcomes, we checked the range of motion (ROM), Knee Society (KS) score, Hospital for Special Surgery (HSS) score, and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score preoperatively, 6 months postoperatively and yearly thereafter and complications after revision TKA...
June 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28544542/conditional-macrophage-depletion-increases-inflammation-and-does-not-inhibit-the-development-of-osteoarthritis-in-obese-mafia-mice
#10
Chia-Lung Wu, Jenna McNeill, Kelsey Goon, Dianne Little, Kelly Kimmerling, Janet Huebner, Virginia Kraus, Farshid Guilak
OBJECTIVE: Macrophages are believed to play a critical role in the inflammation associated with the development of osteoarthritis (OA) in obesity. The objective of the study was to investigate whether short-term, systemic depletion of macrophages would mitigate OA following injury in obese mice. METHODS: CSF-1R-GFP(+) Macrophage Fas-Induced Apoptosis (MaFIA) transgenic mice that allow conditional depletion of macrophages were placed on a high-fat diet and underwent surgery to induce knee OA...
May 23, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28544490/evaluation-of-outcomes-of-suction-drainage-in-patients-with-haemophilic-arthropathy-undergoing-total-knee-arthroplasty
#11
S M J Mortazavi, M A Firoozabadi, A Najafi, P Mansouri
INTRODUCTION: Closed suction drainage has been extensively applied for orthopaedic procedures for the sake of avoiding fluid collections around the wound at the operated limb. AIM: We believed that without application of suction drainage after total knee arthroplasty (TKA), the risk of infection and haematoma formation will not increase while the need for blood transfusion because of decreased blood loss will be lesser. METHODS: In a prospective randomized clinical trial from April 2010 to April 2014, 176 patients with haemophilia who underwent TKA were included...
May 24, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28542415/pharmacological-thromboprophylaxis-and-its-impact-on-venous-thromboembolism-following-total-knee-and-hip-arthroplasty-in-korea-a-nationwide-population-based-study
#12
Ho-Young Yhim, Juhyun Lee, Ji Yun Lee, Jeong-Ok Lee, Soo-Mee Bang
BACKGROUND: Limited data is available regarding the pharmacological prophylaxis for venous thromboembolism (VTE) in Asian patients undergoing total knee arthroplasty or total hip arthroplasty (TKA/THA). METHODS: We performed a population-based epidemiological study using the Health Insurance Review and Assessment Service database to estimate the rate of pharmacological thromboprophylaxis and its impact on VTE in Korean patients who underwent TKA/THA between 2009 and 2013...
2017: PloS One
https://www.readbyqxmd.com/read/28542404/conditional-removal-of-the-canonical-tgf-%C3%AE-1-signaling-delays-condylar-cartilage-degeneration-induced-by-a-partial-discectomy-in-mice
#13
Jie Fang, Li Xiao, Rebecca Chen, Zhihe Zhao
Recent emerging data indicate that the increase in the expression and activity of the transforming growth factor beta 1 (Tgf-β1) signaling may have detrimental effect to mature articular cartilage of knee joints. However, there is no information about whether or not this is the case in condylar cartilages. The objective of this study is to investigate the protein expression and activity of Tgf-β1 signaling in degenerative condylar cartilages. We also investigate biological effects of the conditional deletion of transforming growth factor receptor type II (Tgfbr2) in condylar cartilage of adult mice after a partial discectomy...
2017: PloS One
https://www.readbyqxmd.com/read/28540147/candida-prosthetic-joint-infection-a-review-of-treatment-methods
#14
REVIEW
Fernando Cobo, Javier Rodríguez-Granger, Antonio Sampedro, Luis Aliaga-Martínez, José María Navarro-Marí
Fungal microorganisms are still a rare cause of bone and joint infections. We report a new case of knee prosthetic joint infection due to Candida albicans in a patient with a previous two-stage right knee arthroplasty for septic arthritis due to S. epidermidis occurred several months ago. Moreover, the treatment in 76 cases of Candida prosthetic joint infection has been discussed. Forty patients were female and mean age at diagnosis was 65.7 (± SD 18) yrs. No risk factors for candidal infection were found in 25 patients...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28540146/-combined-diagnostic-tool-application-to-a-retrospective-series-of-patients-undergoing-total-joint-revision-surgery
#15
Enrico Gallazzi, Lorenzo Drago, Andrea Baldini, Ian Stockley, David A George, Sara Scarponi, Carlo L Romanò
Background: Differentiating between septic and aseptic joint prosthesis may be challenging, since no single test is able to confirm or rule out infection. The choice and interpretation of the panel of tests performed in any case often relies on empirical evaluation and poorly validated scores. The "Combined Diagnostic Tool (CDT)" App, a smartphone application for iOS, was developed to allow to automatically calculate the probability of having a of periprosthetic joint infection, on the basis of the relative sensitivity and specificity of the positive and negative diagnostic tests performed in any given patient...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28540111/age-sex-body-mass-index-education-and-social-support-influence-functional-results-after-total-knee-arthroplasty
#16
Tomas Sveikata, Narunas Porvaneckas, Paulius Kanopa, Alma Molyte, Dalius Klimas, Valentinas Uvarovas, Algirdas Venalis
INTRODUCTION: Total knee arthroplasty (TKA) is an effective treatment for knee osteoarthritis. Patient-reported outcome after TKA is influenced by multiple patient-related factors. The aim of this study was to prospectively evaluate preoperative patient-related factors and to compare the self-reported outcomes 1 year after TKA among groups differing by age, sex, body mass index (BMI), education, and social support level. METHODS: 314 patients, who underwent TKA in Vilnius Republican University Hospital between the end of 2012 and the middle of 2014, were included in a study...
June 2017: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/28539595/deletion-of-runx2-in-articular-chondrocytes-decelerates-the-progression-of-dmm-induced-osteoarthritis-in-adult-mice
#17
Lifan Liao, Shanxing Zhang, Jianhong Gu, Takeshi Takarada, Yukio Yoneda, Jian Huang, Lan Zhao, Chun-do Oh, Jun Li, Baoli Wang, Meiqing Wang, Di Chen
Runx2 may play an important role in development of osteoarthritis (OA). However, the specific role of Runx2 in articular chondrocyte function and in OA development in adult mice has not been fully defined. In this study, we performed the destabilization of the medial meniscus (DMM) surgery at 12-week-old mice to induce OA in adult Runx2 (Agc1CreER) mice, in which Runx2 was specifically deleted in Aggrecan-expressing chondrocytes by administering tamoxifen at 8-weeks of age. Knee joint samples were collected 8- and 12-weeks post-surgery and analyzed through histology, histomorphometry and micro-computed tomography (μCT)...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28539282/-effect-of-polycaprolactone-ascobic-acid-scaffold-in-repairing-articular-cartilage-defects-in-rabbits
#18
Zhi-Hui Huang, Bing Song, Yu-Fan Chen, Zhe-Ting Liao, Liang Zhao
OBJECTIVE: To investigate the effect of polycaprolactone-ascobic acid (PCL-AA) scaffolds in promoting repair of articular cartilage defects in a rabbit model. METHODS: The cartilage defects (3.5 mm in diameter and 3.0 mm in depth) were created in the trochlear groove of the bilateral knees of eight 6-month-old male New Zealand white rabbits. The rabbit models were then randomized into 3 groups to receive implantation of PCL-AA scaffolds (group A, n=8), implantation of PCL scaffolds without AA (group B, n=5), or no treatment (group C, n=3)...
May 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28538536/enhanced-recovery-after-surgery-for-hip-and-knee-replacements
#19
(no author information available yet)
No abstract text is available yet for this article.
May 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28538534/enhanced-recovery-after-surgery-for-hip-and-knee-replacements
#20
David P Gwynne-Jones, Ginny Martin, Chris Crane
BACKGROUND: Enhanced recovery after surgery (ERAS) programs or hip and knee replacements have had a significant effect on streamlining patient care with shorter stays, no increase in complications, and improved outcomes including reduced mortality. PURPOSE: To compare outcomes following the introduction of an ERAS program for hip and knee replacements developed at our institution with a historical cohort of patients. METHODS: ERAS protocols were developed at our institution for patients undergoing hip and knee joint replacements...
May 2017: Orthopaedic Nursing
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