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https://www.readbyqxmd.com/read/28634096/reconstruction-of-disrupted-extensor-mechanism-after-total-knee-arthroplasty
#1
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/28600698/treatment-of-medial-compartment-knee-osteoarthritis-by-arthroscopic-l-medial-release-procedure
#2
Lin-Min Yang
PURPOSE: To evaluate the clinical outcomes of an arthroscopic 'L' medial release (ALMR) procedure for the treatment of medial compartment knee osteoarthritis (MCKOA). METHODS: Between January 2012 and December 2013, 372 patients with MCKOA of Kellgren's radiographic grade I-III were diagnosed. Among them, 252 patients with MCKOA received ALMR performed by a single surgeon. The other 120 patients received supportive treatment and were regarded as the control group...
June 9, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28592074/-effects-of-iassist-navigation-system-and-personal-specific-instrument-assisted-total-knee-arthroplasty-in-the-treatment-of-osteoarthritis
#3
S C Tian, Q Q Yao, X D Yin, S Liu, J Zhou, J Hu, J Y Li, R Shan, H B Jiang, L M Wang
Objective: To compare the application of iASSIST assisted total knee arthroplasty (TKA) and three-dimentional(3D) printing personal specific instrument (PSI) assist TKA in the treatment of osteoarthritis (OA). Methods: Clinical data of 47 patients with OA admitted at Department of Orthopaedic Surgery in Nanjing Medical University Nanjing Hospital between April and September 2016 were retrospectively reviewed, including 20 males and 27 females, aging from 57 to 77 years with mean age of (63.8±8.2) years. They were randomly divided into iASSIST-TKA group (23 patients) and PSI-TKA group (24 patients)...
June 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28579447/are-the-outcomes-of-revision-knee-arthroplasty-for-flexion-instability-the-same-as-for-other-major-failure-mechanisms
#4
Ashok Rajgopal, Taufiq R Panjwani, Arun Rao, Vivek Dahiya
BACKGROUND: Aseptic loosening, infection, and flexion instability have emerged as the leading etiologies for revision after total knee arthroplasty (TKA). Although studies have reported improved outcomes after revision TKA, the relative functional and clinical outcomes of patients revised for flexion instability and other failure etiologies have not been extensively reported. The aim of the study was to compare the functional and patient-reported outcomes of revision TKA for the common failure etiologies...
May 15, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28568743/interventions-for-treatment-and-or-prevention-of-alcohol-hangover-systematic-review
#5
REVIEW
Ranil Jayawardena, Thulasika Thejani, Priyanga Ranasinghe, Dinithi Fernando, Joris C Verster
OBJECTIVE: To evaluate new research conducted over the past few years (2009-2016) assessing the effectiveness of potentially curative and/or preventive methods of alcohol hangover. METHODS: Data were retrieved by a 4-stage systematic search process. A search of the online Pubmed and Scopus databases were performed, using a combination of keywords: "Alcohol," "Ethanol," and "C2 H5 OH," in combination with the terms "Hangover," "Treatment," and "Prevention." The search comprised studies listed between January 1, 2009 and June 30, 2016...
May 31, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28566124/melatonin-for-prevention-of-erythema-and-oxidative-stress-in-response-to-ultraviolet-radiation
#6
Cecilie Scheuer
Skin damage induced by UVR is an escalating problem in dermatology, and increasing incidence of skin cancer, especially for non-melanoma skin cancer, has been reported worldwide. UVR from sun exposure and the production of reactive oxygen species (ROS) is known to be a pivotal factor in the aetiology of skin cancer. The pineal hormone melatonin is recognized as the most potent endogenous antioxidant. Melatonin conducts its antioxidant effects acting directly as a radical scavenger and indirectly by up regulation of antioxidant enzymes...
June 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28541005/a-combined-closing-wedge-distal-femoral-osteotomy-and-medial-reefing-procedure-for-recurrent-patellar-dislocation-with-genu-valgum
#7
Chong Bum Chang, Gautam M Shetty, Jong Seong Lee, Young Chan Kim, Jae Ho Kwon, Kyung Wook Nha
PURPOSE: Recurrent patellar dislocation is often associated with genu valgum. The purpose of this study was to analyze the short-term results of single-incision, closing-wedge distal femoral osteotomy (CWDFO) combined with medial reefing and lateral release for recurrent patellar instability with genu valgum. MATERIALS AND METHODS: Combined CWDFO/medial reefing/lateral release was performed on 10 knees. Clinical evaluation was based on pre- and postoperative Knee Society Score (KSS) and Kujala patellofemoral score...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28506403/an-on-road-study-of-sleepiness-in-split-shifts-among-city-bus-drivers
#8
Anna Anund, Carina Fors, Jonas Ihlström, Göran Kecklund
Bus drivers often work irregular hours or split shifts and their work involves high levels of stress. These factors can lead to severe sleepiness and dangerous driving. This study examined how split shift working affects sleepiness and performance during afternoon driving. An experiment was conducted on a real road with a specially equipped regular bus driven by professional bus drivers. The study had a within-subject design and involved 18 professional bus drivers (9 males and 9 females) who drove on two afternoons; one on a day in which they had driven early in the morning (split shift situation) and one on a day when they had been off duty until the test (afternoon shift situation)...
May 12, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28504067/effectiveness-of-inclusion-of-dry-needling-into-a-multimodal-therapy-program-for-patellofemoral-pain-a-randomized-parallel-group-trial
#9
Gemma V Espí-López, Pilar Serra-Añó, Juan Vicent-Ferrando, Miguel Sánchez-Moreno-Giner, Jose L Arias-Buría, Joshua Cleland, César Fernández-de-Las-Peñas
Study Design Randomized controlled trial. Background Evidence suggests that multimodal interventions including exercise therapy may be effective for patellofemoral pain (PFP), however no study has investigated the effects of trigger point dry needling (TrP-DN) in people with PFP. Objectives To compare the effects of adding TrP-DN into a manual therapy and exercise program on pain, function, and disability in individuals with PFP. Methods Individuals with PFP (n=60) recruited from a public hospital in Valencia (Spain) were randomly allocated to manual therapy and exercises (n=30) or manual therapy and exercise plus TrP-DN (n=30)...
May 13, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28500680/rapid-detoxification-via-glutathione-s-transferase-gst-conjugation-confers-high-level-of-atrazine-resistance-in-palmer-amaranth-amaranthus-palmeri
#10
Sridevi Nakka, Amar S Godar, Curtis R Thompson, Dallas E Peterson, Mithila Jugulam
BACKGROUND: Palmer amaranth (Amaranthus palmeri) is an economically troublesome, aggressive and damaging weed that has evolved resistance to six herbicide modes of action (MOA) including photosystem II (PS II)-inhibitors, such as atrazine. The objective of this study was to investigate the mechanism and inheritance of atrazine resistance in Palmer amaranth. RESULTS: A population of Palmer amaranth from Kansas (KSR) had a high level (160-198 fold more; SE ± 21-26) of resistance to atrazine compared to the two known susceptible populations MSS and KSS, from Mississippi and KS, respectively...
May 13, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28495465/the-effect-of-blue-enriched-white-light-on-cognitive-performances-and-sleepiness-of-night-shift-workers-a-field-study
#11
Majid Motamedzadeh, Rostam Golmohammadi, Reza Kazemi, Rashid Heidarimoghadam
INTRODUCTION: Night-shift works are basically accompanied by reduced cognitive performance, sleepiness, and higher possibility for human error and related incidents. It is therefore crucial to improve individuals' performance and alertness in sensitive places like industries' control room with the ultimate goal of increasing efficiency and reducing the number of possible incidents. Previous research has indicated that blue light is a critical cue for entraining circadian rhythm. As a result, the present study was an attempt to investigate whether blue-enriched white light illumination was a practical strategy to decrease sleepiness and improve cognitive performance during night shifts...
May 8, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28489777/affective-temperament-does-not-influence-satisfaction-after-total-knee-arthroplasty
#12
Mahmut Özdemir, İsmail Demirkale, Hakan Şeşen, Anil Taşkesen, Mustafa C Okkaoğlu, Murat Altay
BACKGROUND: Inherent temperament of the patient may predict the outcome of the surgical procedure. The purpose of this study was to ascertain whether negative affective temperament affects patient satisfaction and outcome measures. METHODS: This prospective study included 143 patients who underwent total knee arthroplasty for primary arthrosis. Preoperatively, the Memphis, Pisa, Paris and San Diego-Auto questionnaire was used to define the temperament of the patient...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28488164/up-to-twelve-year-follow-up-of-the-oxford-phase-three-unicompartmental-knee-replacement-in-china-seven-hundred-and-eight-knees-from-an-independent-centre
#13
Huaming Xue, Yihui Tu, Tong Ma, Tao Wen, Tao Yang, Minwei Cai
PURPOSE: There have been few large sample studies reporting the midterm outcome of Oxford phase 3 unicompartmental knee arthroplasty (UKA) in Asian patients. METHODS: The study included 708 consecutive medial Oxford UKAs between February 2005 and May 2014 in Chinese patients. All cases were performed for the recommended indications with a minimally-invasive surgical technique. The functional and radiological outcomes were subsequently examined. In particular, we divided patients into the spontaneous osteonecrosis of the knee (SONK) group and the osteoarthritis (OA) group...
May 10, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28476062/patient-reported-outcomes-following-single-and-multiple-radius-total-knee-replacement-a-randomized-controlled-trial
#14
Nadeem Mushtaq, Alexander D Liddle, David Isaac, Katherine Dillow, Paul Gill
Although single-radius (SR) designs of total knee replacement (TKR) have theoretical benefits, the clinical advantage conferred by such designs is unknown. The aim of this randomized, controlled study was to compare the short-term clinical outcomes of the two design rationales. A total of 105 knees were randomized to receive either a single radius (Scorpio, Stryker; SR Group) or multiple radius (AGC, Zimmer Biomet; MR group) TKR. Patient-reported outcomes (Oxford Knee Score [OKS] and Knee Society Score [KSS]) were collected at 6 weeks, 6 months, and 1 year following surgery...
May 5, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28472068/minimally-invasive-unicompartmental-knee-replacement-midterm-clinical-outcome
#15
Shaoqi Tian, Jiangjun Liu, Wanqing Yuan, Yuanhe Wang, Chengzhi Ha, Lun Liu, Qicai Li, Xu Yang, Kang Sun
OBJECTIVE: The purpose of this study was to explore the midterm clinical outcomes of unicompartmental knee replacement (UKR) for medial knee arthropathy through a minimally invasive approach (MIA). METHODS: From January 2006 to June 2010, 442 consecutive patients (485 knees) were included in the study. All patients underwent MIA-UKR with the mobile bearing Oxford phrase III prosthesis. The incision was made starting 1 cm medial to the medial pole of the patella and extending distally to the tibial tubercle...
2017: PloS One
https://www.readbyqxmd.com/read/28462215/condylar-constrained-system-in-primary-total-knee-replacement-our-experience-and-literature-review
#16
Luigi Sabatini, Salvatore Risitano, Lorenzo Rissolio, Andrea Bonani, Francesco Atzori, Alessandro Massè
BACKGROUND: Constrained condylar knee (CCK) prosthesis are common used for revision surgery but can also help surgeons to improve implant stability in primary knee arthroplasty, in fact in severe knee arthrosis with serious deformity associated with a significant instability a more constrained articulation is required. With introduction of second generation of semi-constrained prosthesis, rate of complication is real decreased and a good survival rate and functional score results is showed...
March 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28451534/determination-the-levels-of-subjective-and-observer-rating-of-drowsiness-and-their-associations-with-facial-dynamic-changes
#17
Mohsen Poursadeghiyan, Adel Mazloumi, Gebraeil Nasl Saraji, Ali Niknezhad, Arash Akbarzadeh, Mohammad Hossein Ebrahimi
BACKGROUND: We determined the levels of subjective and observer drowsiness and facial dynamics changes. METHODS: This experimental study was done in the virtual reality laboratory of Khaje-Nasir Toosi University of Technology in 2015. Facial dynamics changes like changes in eyes, mouth and eyebrows were surveyed on twenty-five drivers in 2015byKSS (Karolinska Sleepiness Scale) and ORD (Observer Rating of Drowsiness). ANOVA Repeated Measure and MANOVA Repeated Measure tests were used for data analysis...
January 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28443128/physiological-and-molecular-characterization-of-hydroxyphenylpyruvate-dioxygenase-hppd-inhibitor-resistance-in-palmer-amaranth-amaranthus-palmeri-s-wats
#18
Sridevi Nakka, Amar S Godar, Prashant S Wani, Curtis R Thompson, Dallas E Peterson, Jeroen Roelofs, Mithila Jugulam
Herbicides that inhibit hydroxyphenylpyruvate dioxygenase (HPPD) such as mesotrione are widely used to control a broad spectrum of weeds in agriculture. Amaranthus palmeri is an economically troublesome weed throughout the United States. The first case of evolution of resistance to HPPD-inhibiting herbicides in A. palmeri was documented in Kansas (KS) and later in Nebraska (NE). The objective of this study was to investigate the mechansim of HPPD-inhibitor (mesotrione) resistance in A. palmeri. Dose response analysis revealed that this population (KSR) was 10-18 times more resistant than their sensitive counterparts (MSS or KSS)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28419388/daytime-sleepiness-increases-with-age-in-early-adolescence-a-sleep-restriction-dose-response-study
#19
Ian G Campbell, Christopher S Burright, Amanda M Kraus, Kevin J Grimm, Irwin Feinberg
Study Objectives: Daytime sleepiness increases across adolescence. This increase is commonly attributed to insufficient sleep durations resulting from increasingly limited time in bed. We tested the effects of 3 sleep schedules on daytime sleepiness and whether these effects changed with age in early adolescence. Methods: In 77 children ranging in age from 9.9 to 14 years, objective (multiple sleep latency test [MSLT]) and subjective (Karolinska sleepiness scale [KSS]) sleepiness was measured following 4 consecutive nights of either 7, 8...
May 1, 2017: Sleep
https://www.readbyqxmd.com/read/28416171/the-comparison-of-knee-osteoarthritis-treatment-with-single-dose-bone-marrow-derived-mononuclear-cells-vs-hyaluronic-acid-injections
#20
Valdis Goncars, Eriks Jakobsons, Kristaps Blums, Ieva Briede, Liene Patetko, Kristaps Erglis, Martins Erglis, Konstantins Kalnberzs, Indrikis Muiznieks, Andrejs Erglis
OBJECTIVE: The aim of this study was to compare treatment methods of the knee joint degenerative osteoarthritis, using autologous bone marrow-derived mononuclear cells and hyaluronic acid injections and observe prevalence of adverse effects in both groups. MATERIALS AND METHODS: A prospective randomized controlled clinical trial was carried out. The analysis of pain and changes in osteoarthritis symptoms after a single intra-articular bone marrow-derived mononuclear cell injection into the knee joint in the Kellgren-Lawrence stage II-III osteoarthritis during the 12-month period were performed...
March 22, 2017: Medicina
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