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https://www.readbyqxmd.com/read/28506403/an-on-road-study-of-sleepiness-in-split-shifts-among-city-bus-drivers
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/28390882/risk-benefit-on-quality-of-life-after-total-knee-arthroplasty-in-octogenarians
#14
Alejandro Lizaur-Utrilla, Daniel Martinez-Mendez, Francisco A Miralles-Muñoz, Luis Marco-Gomez, Fernando A Lopez-Prats
BACKGROUND: Clinical outcomes of total knee arthroplasty (TKA) in very older patients have been widely studied, but the available evidence on quality of life (QOL) is limited. The objective was to evaluate the impact of TKA on the QOL in octogenarian patients and assess whether the risk-benefit justified surgery. METHODS: Prospective study comparing 143 octogenarian and 149 septuagenarian patients. QOL was assessed with the Short Form-12 (SF-12) and the Western Ontario and McMaster Universities Arthritis Index (WOMAC) questionnaires and functional outcomes with the Knee Society score (KSS)...
March 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28389879/superior-long-term-survival-for-fixed-bearing-compared-with-mobile-bearing-in-ligament-balanced-total-knee-arthroplasty
#15
P J C Heesterbeek, A H van Houten, J S Klenk, H Eijer, B Christen, A B Wymenga, A J Schuster
PURPOSE: Only few long-term data on ligament-balanced cruciate-retaining total knee arthroplasty (CR TKA) are currently available. Either a mobile- or fixed-bearing insert can be chosen, which showed good mid-term outcome and few complications and revisions. This multi-centre retrospective cross-sectional cohort study investigated the 12-year results of primary TKA using a balancing gap technique and compared survival and clinical outcome between fixed and mobile inserts. METHODS: In this retrospective cross-sectional cohort study, 557 cases of three clinics (2 Swiss, 1 Dutch) operated between 1998 and 2003 with the first series of a TKA implanted with a balanced gap technique (433 (77...
April 7, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28378275/what-is-the-responsiveness-and-respondent-burden-of-the-new-knee-society-score
#16
Rajesh N Maniar, Parul R Maniar, Debashish Chanda, Dnyaneshwar Gajbhare, Toral Chouhan
BACKGROUND: Although the new Knee Society score (NKSS) has been validated by a task force, a longitudinal study of the same cohort of patients to evaluate the score's responsiveness and respondent burden has not been reported, to our knowledge. QUESTIONS/PURPOSES: We analyzed the NKSS for (1) responsiveness; (2) respondent burden; and (3) convergent validity in 148 patients studied longitudinally during more than 1 year. METHODS: During an 8-month period, 165 patients underwent TKA by the same surgeon at our institution, of whom 148 (90%) completed this study; the others were excluded because of distance to travel or loss to followup at the specified time...
April 4, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28366049/does-obesity-influence-early-outcome-of-fixed-bearing-unicompartmental-knee-arthroplasty
#17
Yew Lok Woo, Yong Qiang Jerry Chen, Mun Chun Lai, Kheng Jin Darren Tay, Shi-Lu Chia, Ngai Nung Lo, Seng Jin Yeo
Obesity is a known major contributing risk factor for knee osteoarthritis (OA). It is also believed that obese unicompartmental knee arthroplasty (UKA) patients tend to have poorer outcome and possible early failure. The purpose of this study is to investigate the early outcome of obese UKA patients in a single institution. Patients who underwent fixed bearing medial UKA in between year 2005 and 2010 were included in this study. They were divided into four groups based on Body Mass Index (BMI): 25 kg/m(2) (Control); 25-29...
January 1, 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28360505/intra-articular-hyaluronic-acid-is-superior-to-steroids-in-knee-osteoarthritis-a-comparative-randomized-study
#18
Raju Vaishya, Ramsagar Pandit, Amit Kumar Agarwal, Vipul Vijay
BACKGROUND: To compare the short and mid-term results of intraarticular triamcinolone hexacetonide and hyaluronic acid (HA) in knee osteoarthritis. METHODS: A prospective randomized study including 40 patients in steroid and 42 patients in HA group. The outcome was evaluated with Knee Society Score (KSS) and Visual Analog Scale (VAS). RESULT: On KSS function and VAS score, there was no difference till four weeks. On KSS pain there was no difference till 12 weeks (P > 0...
January 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28321477/total-knee-arthroplasty-after-varus-distal-femoral-osteotomy-vs-native-knee-similar-results-in-a-case-control-study
#19
Romain Gaillard, Timothy Lording, Sebastien Lustig, Elvire Servien, Philippe Neyret
PURPOSE: The aim of this study was to investigate the results of total knee arthroplasty (TKA) performed after varus distal femoral osteotomy (VrDFO), in comparison to a control group of TKAs performed as the primary intervention for arthrosis. Main hypothesis was that the medium term results for the two groups would be similar. METHODS: All TKAs performed after VrDFO were extracted from a single centre, prospective database of 4046 arthroplasties. A case-control study was performed with a control group comprising two TKAs performed as the primary intervention for each TKA after VrDFO, and matched for sex, age at intervention, body mass index, the type of arthrosis and the type of implant...
March 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28318305/on-demand-driver-vigilance-enhancement-without-explicit-drowsiness-detection-further-analysis-of-the-pilot-study-results
#20
R Michael Van Auken, Brad K Hagoski, Dean P Chiang, Shane Chang
OBJECTIVE: A new active safety concept that engages the driver's psychosensory pain-processing mechanism to automatically trigger vigilance enhancement on-demand was proposed in Chang (2012). This concept is based on the hypothesis that a human's pain threshold will decline as he or she becomes drowsy, consequently triggering the vigilance enhancer. The objective of this pilot study was to develop methods to test this hypothesis, the results of which could lead to further refinement of the hypothesis and methods, with the ultimate goal of developing new active safety concepts that exploit the driver's endogenous psychosensory pain-processing mechanisms...
March 20, 2017: Traffic Injury Prevention
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