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https://www.readbyqxmd.com/read/29342443/test-retest-reliability-of-transcranial-magnetic-stimulation-eeg-evoked-potentials
#1
Lewis J Kerwin, Corey J Keller, Wei Wu, Manjari Narayan, Amit Etkin
BACKGROUND: Transcranial magnetic stimulation (TMS)-evoked potentials (TEPs), recorded using electroencephalography (TMS-EEG), offer a powerful tool for measuring causal interactions in the human brain. However, the test-retest reliability of TEPs, critical to their use in clinical biomarker and interventional studies, remains poorly understood. OBJECTIVE/HYPOTHESIS: We quantified TEP reliability to: (i) determine the minimal TEP amplitude change which significantly exceeds that associated with simply re-testing, (ii) locate the most reliable scalp regions of interest (ROIs) and TEP peaks, and (iii) determine the minimal number of TEP pulses for achieving reliability...
December 29, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29340745/a-6-week-warm-up-injury-prevention-programme-results-in-minimal-biomechanical-changes-during-jump-landings-a-randomized-controlled-trial
#2
Jeffrey B Taylor, Kevin R Ford, Randy J Schmitz, Scott E Ross, Terry A Ackerman, Sandra J Shultz
PURPOSE: To examine the extent to which an ACL injury prevention programme modifies lower extremity biomechanics during single- and double-leg landing tasks in both the sagittal and frontal plane. It was hypothesized that the training programme would elicit improvements in lower extremity biomechanics, but that these improvements would be greater during a double-leg sagittal plane landing task than tasks performed on a single leg or in the frontal plane. METHODS: Ninety-seven competitive multi-directional sport athletes that competed at the middle- or high-school level were cluster randomized into intervention (n = 48, age = 15...
January 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29340488/impact-of-continuous-positive-airway-pressure-on-the-pulmonary-changes-promoted-by-immersion-in-water
#3
Danize Aparecida Rizzetti, Janayna Rodembuch Borba Quadros, Bruna Esmerio Ribeiro, Letícia Callegaro, Aline Arebalo Veppo, Giulia Alessandra Wiggers, Franck Maciel Peçanha
OBJECTIVE: To determine whether different levels of CPAP improve the lung volumes and capacities of healthy subjects immersed in water. METHODS: This was a randomized clinical trial, conducted between April and June of 2016, involving healthy female volunteers who were using oral contraceptives. Three 20-min immersion protocols were applied: control (no CPAP); CPAP5 (CPAP at 5 cmH2O); and CPAP10 (CPAP at 10 cmH2O). We evaluated HR, SpO2, FVC, FEV1, the FEV1/FVC ratio, peak expiratory flow rate (PEFR), and FEF25-75%) at three time points: pre-immersion; 10 min after immersion; and 10 min after the end of each protocol...
November 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29337026/effect-of-recombinant-human-growth-hormone-on-rotator-cuff-healing-after-arthroscopic-repair-preliminary-result-of-a-multicenter-prospective-randomized-open-label-blinded-end-point-clinical-exploratory-trial
#4
Joo Han Oh, Seok Won Chung, Kyung-Soo Oh, Jae Chul Yoo, Wonhee Jee, Jung-Ah Choi, Yang-Soo Kim, Jin-Young Park
BACKGROUND: This study evaluated the effect of systemic injection of recombinant human growth hormone (rhGH) on outcomes after arthroscopic rotator cuff repair. METHODS: This multicenter, prospective, randomized, comparative trial, randomized patients who underwent arthroscopic repair of large-sized rotator cuff tears into 3 groups: rhGH 4 mg group (n = 26), rhGH 8 mg group (n = 24) , and control group (n = 26). Sustained release rhGH was injected subcutaneously once weekly for 3 months postoperatively...
January 11, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29334869/the-influence-of-water-depth-on-kinematic-and-spatiotemporal-gait-parameters-during-aquatic-treadmill-walking
#5
Taeyou Jung, Yumi Kim, Hyosok Lim, Konstantinos Vrongistinos
The purpose of this study was to investigate kinematic and spatiotemporal variables of aquatic treadmill walking at three different water depths. A total of 15 healthy individuals completed three two-minute walking trials at three different water depths. The aquatic treadmill walking was conducted at waist-depth, chest-depth and neck-depth, while a customised 3-D underwater motion analysis system captured their walking. Each participant's self-selected walking speed at the waist level was used as a reference speed, which was applied to the remaining two test conditions...
January 16, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29334862/the-effects-of-an-unanticipated-side-cut-on-lower-extremity-kinematics-and-ground-reaction-forces-during-a-drop-landing
#6
Jae P Yom, Tane Owens, Scott Arnett, Justin Beebe, Veronica Son
Unanticipated direction to cut after landing may alter the lower extremity landing biomechanics when performing landing motions. These alterations may potentially increase the risk of ACL injury. The purpose of this study was to determine if an unanticipated side-cut affects lower extremity landing biomechanics in females. Eighteen recreational female athletes participated in two blocks of testing: the first block of testing consisted of three acceptable trials of anticipated dominant limb and non-dominant limb 45-degree diagonal cutting after landing, which were performed in a counterbalanced order...
January 16, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29334581/gender-and-muscle-specific-responses-during-fatiguing-exercise
#7
Ethan C Hill, Terry J Housh, Cory M Smith, Richard J Schmidt, Glen O Johnson
The purpose of the present investigation was to examine potential gender-related differences in electromyographic (EMG) and mechanomyographic (MMG) responses during submaximal, concentric, isokinetic, forearm flexion muscle contractions. Twelve men and twelve women performed concentric peak torque trials prior to (pretest) and following (posttest) a fatiguing exercise bout that consisted of 50 submaximal (65% of concentric peak torque), concentric, isokinetic (60°·s), forearm flexion muscle contractions. Surface EMG and MMG signals were simultaneously recorded from the biceps brachii and brachioradialis muscles...
January 12, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29334530/antegrade-arterial-and-portal-flushing-versus-portal-flushing-only-for-right-lobe-live-donor-liver-transplantation-a-randomized-control-trial
#8
Viniyendra Pamecha, Rommel Sandhyav, Piyush Kumar Sinha, Kishore Gurumoorthy Subramanya Bharathy, Shridhar Sasturkar
INTRODUCTION: In live donor liver transplantation (LDLT) portal flush only of the graft is done on the bench. There is no data on antegrade arterial flush along with portal flush of the graft. METHODS: Consecutive patients undergoing elective right lobe LDLT were block-randomized to receive either portal flush only or both portal and antegrade arterial flush. The primary objectives were safety, rate of early allograft dysfunction (EAD), and impact on vascular and biliary complications RESULTS: After randomization there were 40 patients in each group...
January 12, 2018: Transplantation
https://www.readbyqxmd.com/read/29334005/physiological-correlations-with-short-medium-and-long-cycling-time-trial-performance
#9
Fernando K Borszcz, Artur F Tramontin, Kristopher M de Souza, Lorival J Carminatti, Vitor P Costa
PURPOSE: Several studies have demonstrated that physiological variables predict cycling endurance performance. However, it is still unclear whether the predictors will change over different performance durations. The aim of this study was to assess the correlations between physiological variables and cycling time trials with different durations. METHODS: Twenty trained male cyclists (maximal oxygen uptake [VO2max] = 60.5 ± 5.6 mL/kg/min) performed 4 separate experimental trials during a 2-week period...
January 15, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29332632/retrospective-memory-for-symptoms-in-patients-with-medically-unexplained-symptoms
#10
Marta Walentynowicz, Katleen Bogaerts, Linda Stans, Ilse Van Diest, Filip Raes, Omer Van den Bergh
OBJECTIVE: Clinical assessment and diagnostic processes heavily rely on memory-based symptom reports. The current study investigated memory for symptoms and the peak-end effect for dyspnea in patients with medically unexplained symptoms and healthy participants. METHODS: Female patients with medically unexplained dyspnea (MUD) (n=22) and matched healthy controls (n=22) participated in two dyspnea induction trials (short, long). Dyspnea ratings were collected: (1) continuously during symptom induction (concurrent with respiratory measures), (2) immediately after the experiment, and (3) after 2weeks...
February 2018: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29329555/exercise-during-and-after-neoadjuvant-rectal-cancer-treatment-the-exert-trial-study-protocol-for-a-randomized-controlled-trial
#11
Andria R Morielli, Nawaid Usmani, Normand G Boulé, Diane Severin, Keith Tankel, Tirath Nijjar, Kurian Joseph, Alysa Fairchild, Kerry S Courneya
BACKGROUND: Standard treatment for locally advanced rectal cancer includes 5-6 weeks of neoadjuvant chemoradiotherapy (NACRT) followed by total mesorectal excision 6-8 weeks later. NACRT improves local disease control and surgical outcomes but also causes side effects including fatigue, diarrhea, hand-foot syndrome, and physical deconditioning that may impede quality of life (QoL), treatment completion, treatment response, and long-term prognosis. Interventions to improve treatment outcomes and manage side effects that are safe, tolerable and low-cost are highly desirable...
January 12, 2018: Trials
https://www.readbyqxmd.com/read/29325762/assessment-of-in-vivo-efficacy-of-eravacycline-against-enterobacteriaceae-exhibiting-various-resistance-mechanisms-a-dose-ranging-study-and-pk-pd-analysis
#12
Abrar K Thabit, Marguerite L Monogue, Joseph V Newman, David P Nicolau
After the pharmacokinetic (PK) profile of eravacycline as a novel fluorocycline was defined, understanding its pharmacodynamic (PD) profile became essential. The aim of this study was to assess the correlation of the PK/PD index of the area under free drug concentration-time curve above the minimum inhibitory concentration (fAUC/MIC) and its magnitude with eravacycline's efficacy against Enterobacteriaceae isolates using the immunocompetent murine thigh infection model to resemble the immunocompetent environment in eravacycline's clinical trials...
January 8, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29324439/hybrid-dose-calculation-a-dose-calculation-algorithm-for-microbeam-radiation-therapy
#13
Mattia Donzelli, Elke Brauer-Krisch, Uwe Oelfke, Jan J Wilkens, Stefan Bartzsch
Microbeam Radiation Therapy (MRT) is a still preclinical approach in radiation oncology that uses planar micrometre wide beamlets with extremely high peak doses, separated by a few hundred micrometre wide low dose regions. Abundant preclinical evidence demonstrates that MRT spares normal tissue more effectively than conventional radiation therapy, at equivalent tumour control. In order to launch first clinical trials, accurate and efficient dose calculation methods are an inevitable prerequisite. In this work a hybrid dose calculation approach is presented which is based on a combination of Monte Carlo and kernel based dose calculation...
January 11, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29323175/functional-antibody-response-against-v1v2-and-v3-of-hiv-gp120-in-the-vax003-and-vax004-vaccine-trials
#14
Preetha Balasubramanian, Constance Williams, Mariya B Shapiro, Faruk Sinangil, Keith Higgins, Arthur Nádas, Maxim Totrov, Xiang-Peng Kong, Andrew J Fiore-Gartland, Nancy L Haigwood, Susan Zolla-Pazner, Catarina E Hioe
Immunization with HIV AIDSVAX gp120 vaccines in the phase III VAX003 and VAX004 trials did not confer protection. To understand the shortcomings in antibody (Ab) responses induced by these vaccines, we evaluated the kinetics of Ab responses to the V1V2 and V3 regions of gp120 and the induction of Ab-mediated antiviral functions during the course of 7 vaccinations over a 30.5-month period. Plasma samples from VAX003 and VAX004 vaccinees and placebo recipients were measured for ELISA-binding Abs and for virus neutralization, Ab-dependent cellular phagocytosis (ADCP), and Ab-dependent cellular cytotoxicity (ADCC)...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322434/protection-from-reperfusion-injury-with-intracoronary-n-acetylcysteine-in-patients-with-stemi-undergoing-primary-percutaneous-coronary-intervention-in-a-cardiac-tertiary-center
#15
Younes Nozari, Azadeh Eshraghi, Azita Hajhossein Talasaz, Mostafa Bahremand, Jamshid Salamzadeh, Mojtaba Salarifar, Hamidreza Pourhosseini, Arash Jalali, Seyedeh Hamideh Mortazavi
BACKGROUND: Evidence suggests that oxidative stress plays a principal role in myocardial damage following ischemia/reperfusion events. Recent studies have shown that the antioxidant properties of N-acetylcysteine (NAC) may have cardioprotective effects in high doses, but-to the best of our knowledge-few studies have assessed this. OBJECTIVES: Our objective was to investigate the impact of high-dose NAC on ischemia/reperfusion injury. METHODS: We conducted a randomized double-blind placebo-controlled trial in which 100 consecutive patients with ST-elevation myocardial infarction undergoing percutaneous coronary intervention (PCI) were randomly assigned to the case group (high-dose NAC 100 mg/kg bolus followed by intracoronary NAC 480 mg during PCI then intravenous NAC 10 mg/kg for 12 h) or the control group (5% dextrose)...
January 10, 2018: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
https://www.readbyqxmd.com/read/29320946/cognitive-demands-influence-lower-extremity-mechanics-during-a-drop-vertical-jump-task-in-female-athletes
#16
Thomas Gus Almonroeder, Thomas Kernozek, Stephen Cobb, Brooke Slavens, Jinsung Wang, Wendy Huddleston
Study Design Cross-sectional study. Background The drop vertical jump task is commonly used in anterior cruciate ligament injury risk screening; however, the predictive validity is limited. Part of the limited predictive validity may be because the drop vertical jump task does not impose cognitive demands that reflect sports participation. Objectives To investigate the influence of additional cognitive demands on lower extremity mechanics during execution of the drop vertical jump task. Methods Twenty uninjured females (ages 18-25 years old) were required to perform the standard drop vertical jump task, as well as drop vertical jumps which included additional cognitive demands...
January 10, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29320303/time-of-day-and-short-duration-high-intensity-exercise-influences-on-coagulation-and-fibrinolysis
#17
Emma Kate Zadow, Cecilia Marie Kitic, Sam Shi Xuan Wu, James William Fell, Murray John Adams
Exercise has been demonstrated to have considerable effects upon haemostasis, with activation dependent upon the duration and intensity of the exercise bout. In addition, markers of coagulation and fibrinolysis have been shown to possess circadian rhythms, peaking within the morning (0600-1200 h). Therefore, the time of day in which exercise is performed may influence the activation of the coagulation and fibrinolytic systems. This study aimed to examine coagulation and fibrinolytic responses to short-duration high-intensity exercise when completed at different times of the day...
January 10, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29319463/guidelines-for-treatment-of-susac-syndrome-an-update
#18
Robert M Rennebohm, Negar Asdaghi, Sunil Srivastava, Elie Gertner
Susac syndrome is an immune-mediated, pauci-inflammatory, ischemia-producing, occlusive microvascular endotheliopathy/basement membranopathy that affects the brain, retina, and inner ear. Treatment of Susac syndrome is particularly challenging. The organs involved can easily become irreversibly damaged, and the window of opportunity to protect them is often short. Optimal outcome requires rapid and complete disease suppression. Adding to the challenge is the absence of objective biomarkers of disease activity and the great variability in presentation, timing and extent of peak severity, duration of peak severity, and natural disease course...
January 1, 2018: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/29318574/prophylactic-benefits-of-systemically-delivered-simvastatin-treatment-in-a-house-dust-mite-challenged-murine-model-of-allergic-asthma
#19
Aruni Jha, Min H Ryu, O O Ojo, Hilary J Bews, Jules C Carlson, Jacquie Schwartz, Sujata Basu, Charles S Wong, Andrew J Halayko
BACKGROUND AND PURPOSE: Systemically delivered statins can blunt airway inflammation in ovalbumin-challenged mice; however, in asthma clinical trials the beneficial effects of introducing oral statins are not compelling. We aim to reconcile this discrepancy using a clinically relevant murine model of allergic asthma, and by including a prophylactic study arm. EXPERIMENTAL APPROACH: Adult mice were: 1) challenged with house dust mite (HDM) alone or with subcutaneous (s...
January 10, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29318022/clinical-trial-experience-with-ca4p-anticancer-therapy-focus-on-efficacy-cardiovascular-adverse-events-and-hypertension-management
#20
REVIEW
Rachel Grisham, Bonnie Ky, Krishnansu S Tewari, David J Chaplin, Joan Walker
Combretastatin A4-phosphate (CA4P) is a vascular-disrupting agent (VDA) in clinical development for the treatment of ovarian and other cancers. In contrast to antiangiogenic agents, such as bevacizumab, which suppress the development of new tumor vasculature, VDAs target established tumor vasculature. These differing but complementary mechanisms of action are currently being explored in clinical trials combining CA4P and bevacizumab. Clinical experience to date has highlighted an important need to better understand the cardiovascular adverse events of CA4P, both alone and in combination with antiangiogenic agents, which can also be associated with cardiovascular adverse events...
2018: Gynecologic Oncology Research and Practice
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