EMG signs of neuromuscular fatigue related to the ventilatory threshold during cycling exercise.

abstract：BACKGROUND:This retrospective study aimed to determine the diagnostic performance of exercise-induced ST response in relation to findings by myocardial perfusion single photon emission computed tomography (MPS), with focus on gender differences, in patients with suspected or established stable ischemic heart disease. ...

journal_title：Clinical physiology and functional imaging

authors： Akil S,Hedén B,Pahlm O,Carlsson M,Arheden H,Engblom H

更新日期：2018-09-01 00:00:00

abstract：:The combination of step choreography (SC) with resistance training exercises (RE) in the same session is common in class fitness rooms populated mainly by women to increase energy expenditure. The aim of this study was to evaluate the differences in the exercise oxygen uptake and postexercise between two different com...

journal_title：Clinical physiology and functional imaging

authors： Vilaça-Alves J,Regado A,Marinho D,Neves EB,Rosa C,Saavedra F,Reis VM

更新日期：2018-01-01 00:00:00

abstract：INTRODUCTION:Notwithstanding recent progress on molecular mechanisms underlying heart failure with preserved ejection fraction (HFpEF), multiple pathophysiological aspects of this condition including the basis of anaemia and other haematological disorders remain unresolved. In this study, we sought to determine the rel...

journal_title：Clinical physiology and functional imaging

authors： Diaz-Canestro C,Haider T,Lundby C,Montero D

更新日期：2020-03-01 00:00:00

abstract：:This study aimed to evaluate the effect of standard medical treatment on the progression of atherosclerosis after a myocardial infarction, in an ordinary clinical setting, by measuring the right and left common carotid intima-media thickness (IMT). The first investigation took place 3-12 months after the index event; ...

journal_title：Clinical physiology and functional imaging

authors： Jogestrand T,Agewall S,Gustafsson T,Henareh L

更新日期：2014-07-01 00:00:00

abstract：:The stroke volume (SV) during exercise is an important index of the heart's functional capacity. A new method has been developed for the non-invasive estimation of exercise SV (SVex). It requires the determination of the slope for the oxygen uptake versus heart rate relationship in the steady state of graded exercise ...

journal_title：Clinical physiology and functional imaging

authors： Davis JA,Sorrentino KM,Soriano AC,Pham PH

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:Heatstroke is a serious condition and clinical studies indicate that vascular stroke increases with excessive consumption of alcohol (ethanol). It was our objective to test the influence of ethanol on cerebral perfusion at normal and higher temperatures. METHODS:Recording of isometric tension in rabbit caro...

journal_title：Clinical physiology and functional imaging

authors： Mustafa S,Thulesius O,Elgazzar AH,Ismael HN

更新日期：2007-05-01 00:00:00

abstract：:A vasomotor reflex triggered by a rapid and deep inspiration causes arteriolar vasoconstriction and a transient decrease in skin blood flow in most people. This is the inspiratory gasp vascular response (IGVR). The most common site of its measurement has been on the palmar or plantar aspect of the digits and little is...

journal_title：Clinical physiology and functional imaging

authors： Mayrovitz HN,Groseclose EE

更新日期：2002-01-01 00:00:00

abstract：UNLABELLED:Myocardial perfusion imaging with single-photon emission computed tomography (SPECT) is useful for the evaluation of patients with known or suspected coronary artery disease. Parameters of interest are the reduction in the blood perfusion (severity) and the lesion volume (extent). The aim of this study was t...

journal_title：Clinical physiology and functional imaging

authors： Bartosik J,El-Ali HH,Nilsson U,Dahlström J,Edenbrandt L,Ljungberg M

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND:Cerebral vasoconstriction without concurrent changes in systemic arterial blood pressure has been observed in both normal individuals and those with idiopathic orthostatic intolerance following several minutes of postural stress when circulating catecholamines are elevated. Therefore, we tested the hypothesi...

journal_title：Clinical physiology and functional imaging

authors： Kimmerly DS,Tutungi E,Wilson TD,Serrador JM,Gelb AW,Hughson RL,Shoemaker JK

更新日期：2003-11-01 00:00:00

abstract：:The primary aim of this study was to compare the maximal oxygen uptake as evaluated from a submaximal exercise test (EVO2peak) to direct measurements of VO2peak during a maximal exercise test as means of monitoring the aerobic endurance capacity in women with type 2 diabetes (T2D). Twenty-seven women with T2D particip...

journal_title：Clinical physiology and functional imaging

authors： Segerström AB,Glans F,Eriksson KF,Groop L,Thorsson O,Wollmer P

更新日期：2008-09-01 00:00:00

abstract：:The renin-angiotensin system (RAS) is developmentally up-regulated and it is essential for kidney development in several species. Given the fact that the rat lung undergoes postnatal development, the mammalian lung possesses the highest angiotensin-converting enzyme (ACE) levels and ACE activity increases during the f...

journal_title：Clinical physiology and functional imaging

authors： Lasaitiene D,Chen Y,Nannmark U,Wollmer P,Friberg P

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Heart rate variability (HRV) reflects the balance between cardiac parasympathetic and sympathetic autonomic influences. Reduced HRV has adverse prognostic implications. The time course for changes in HRV over prolonged periods of time and the influence of an acute coronary event on HRV are not well establish...

journal_title：Clinical physiology and functional imaging

authors： Björkander I,Forslund L,Ericson M,Rehnqvist N,Hjemdahl P,Kahan T

更新日期：2009-05-01 00:00:00

abstract：:During recent years, the radial movement of the arterial wall has been extensively studied, and measurements of the radial movement are now an important tool in cardiovascular research for characterizing the mechanical properties of the arterial wall. In contrast, the longitudinal movement of vessels has gained little...

journal_title：Clinical physiology and functional imaging

authors： Persson M,Ahlgren AR,Jansson T,Eriksson A,Persson HW,Lindström K

更新日期：2003-09-01 00:00:00

abstract：:The purpose of this study was to investigate the physiological changes of the cardiovascular system in response to whole body vibration during quiet standing and identify whether there is a greater influence on the central or peripheral cardiovascular system. Twenty healthy participants (12 male and 8 female) were ass...

journal_title：Clinical physiology and functional imaging

authors： Robbins D,Yoganathan P,Goss-Sampson M

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND AND AIM:It has been reported that the endocardium in Fabry disease has a binary appearance on transthoracic echocardiography. It has been suggested that this sign could be used with good accuracy to differentiate Fabry disease from hypertrophic cardiomyopathy and even as a first filter to screen for suspecte...

journal_title：Clinical physiology and functional imaging

authors： Koskenvuo JW,Engblom E,Kantola IM,Hartiala JJ,Saraste A,Kiviniemi TO,Mononen I,Saraste M

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND:Delayed enhancement magnetic resonance imaging depicts scar in the left ventricle which can be quantitatively measured. Manual segmentation and scar determination is time consuming. The purpose of this study was to evaluate a software for infarct quantification, to compare with manual scar determination, and...

journal_title：Clinical physiology and functional imaging

authors： Rosendahl L,Blomstrand P,Heiberg E,Ohlsson J,Björklund PG,Ahlander BM,Engvall J

更新日期：2008-01-01 00:00:00

abstract：:Analysis of heart rate variability (HRV) responses to an orthostatic challenge can be used to investigate autonomic control of heart rate, an index of cardiovascular function. HRV is typically assessed using the electrocardiogram (ECG), which can be impractical for use with large population-based studies. PURPOSE:To ...

journal_title：Clinical physiology and functional imaging

authors： Montaño A,Brown F,Credeur DP,Williams MA,Stoner L

更新日期：2017-07-01 00:00:00

abstract：:We investigated whether a single 60-min bout of whole leg, peristaltic pulse external pneumatic compression (EPC) altered select growth factor-related mRNAs and/or various phospho(p)-proteins related to cell growth, proliferation, inflammation and apoptosis signalling (e.g. Akt-mTOR, Jak-Stat). Ten participants (8 mal...

journal_title：Clinical physiology and functional imaging

authors： Martin JS,Kephart WC,Mobley CB,Wilson TJ,Goodlett MD,Roberts MD

更新日期：2017-11-01 00:00:00

abstract：:Flow-mediated dilation (FMD) is a surrogate marker for endothelial function. In the FMD procedure, arterial response during cuff inflation is not taken into consideration yet studies have demonstrated vasoconstriction, vasodilation and no change in the brachial artery during cuff inflation. The term low flow-mediated ...

journal_title：Clinical physiology and functional imaging

authors： Harrison M,Parkhurst K,Tarumi T,Lin HF,Tanaka H

更新日期：2011-09-01 00:00:00

abstract：:This study takes a novel approach to describing time-related changes in dynamic cerebral autoregulation (dCA). It is well-recognized that dCA exhibits both intra- and inter- subject variability, and this study seeks to characterize the extent to which intra-subject variability occurs after a significant period of time...

journal_title：Clinical physiology and functional imaging

authors： Brodie FG,Panerai RB,Foster S,Evans DH,Robinson TG

更新日期：2009-09-01 00:00:00

abstract：:The renin-angiotensin aldosterone system (RAAS) is associated with diverse physiological responses and adaptations to exercise. The angiotensin converting enzyme (ACE) 2 has vasodilatory effects, which might be associated with the blood pressure (BP) responses to acute exercise. The aim of this study was to investigat...

journal_title：Clinical physiology and functional imaging

authors： Goessler KF,Polito MD,Mota GF,de Oliveira EM,Cornelissen VA

更新日期：2018-03-01 00:00:00

abstract：:Grey scale median (GSM) measured on ultrasound images of carotid plaques has been used for several years now in research to find the vulnerable plaque. Centres have used different software and also different methods for GSM measurement. This has resulted in a wide range of GSM values and cut-off values for the detecti...

journal_title：Clinical physiology and functional imaging

authors： Östling G,Persson M,Hedblad B,Gonçalves I

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND:The heat-washout method is an objective method that measures cutaneous blood flow rate (BFR) in ml (100 g. min)(-1), previously found useful for measuring toe BFR in non-diabetic patients with claudication. AIM:The method is used for evaluating the presence of a veno-arteriolar reflex (VAR) in the forefoot ...

journal_title：Clinical physiology and functional imaging

authors： Midttun M,Snorgaard O

更新日期：2013-07-01 00:00:00

abstract：:Computerized lung sounds analysis offers a new technique to monitor regional ventilation during spontaneous breathing. The purpose of the present study was to assess the acoustic behaviour of the respiratory system in healthy pigs during mechanical ventilation when a positive end-expiratory pressure (PEEP) is applied....

journal_title：Clinical physiology and functional imaging

authors： Vena A,Perchiazzi G,Giuliani R,Fiore T,Hedenstierna G

更新日期：2006-01-01 00:00:00

abstract：:In the present study, hand-to-hand bioelectrical impedance analysis (BIA), skinfold (SKF) thickness and height-weight (body mass index, BMI)-based equations and dual-energy X-ray absorptiometry (DEXA), as a criterion method, were compared with each other in the assessment of body fat percentage (BF%) in 17-18-year-old...

journal_title：Clinical physiology and functional imaging

authors： Lintsi M,Kaarma H,Kull I

更新日期：2004-03-01 00:00:00

abstract：:We aimed at evaluating the effect of isometric muscle contraction on intramuscular water movement at different exercise intensities. Seven men performed 1-min isometric ankle dorsiflexion (20% and 50% maximal voluntary contractions [MVCs]) with a non-magnetic custom-made dynamometer, inside a magnetic resonance (MR) d...

journal_title：Clinical physiology and functional imaging

authors： Yanagisawa O,Kurihara T

更新日期：2016-09-01 00:00:00

abstract：:The aim of this study was to investigate the effect of repeated cycling sprints on power profiles while assessing upper body muscle contraction. Eighteen physically active participants performed 8 × 10 s repeated sprints while muscle activity was recorded via surface electromyography (sEMG) from the brachioradialis (B...

journal_title：Clinical physiology and functional imaging

authors： Grant MC,Watson H,Baker JS

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND:A significant number of women with angina and no obstructive coronary artery disease (CAD; <50% stenosis) have coronary microvascular dysfunction (CMD) which carries an adverse cardiovascular prognosis. Coronary microvascular function can be evaluated by transthoracic Doppler echocardiography (TTDE) as a cor...

journal_title：Clinical physiology and functional imaging

authors： Bechsgaard DF,Hove JD,Michelsen MM,Mygind ND,Pena A,Hansen PR,Hansen HS,Kastrup J,Høst N,Gustafsson I,Prescott E

更新日期：2021-01-01 00:00:00

abstract：INTRODUCTION:We investigated if image- and diagnostic quality in SPECT MPI could be maintained despite a reduced acquisition time adding Depth Dependent Resolution Recovery (DDRR) for image reconstruction. Images were compared with filtered back projection (FBP) and iterative reconstruction using Ordered Subsets Expect...

journal_title：Clinical physiology and functional imaging

authors： Davidsson A,Olsson E,Engvall J,Gustafsson A

更新日期：2017-11-01 00:00:00

abstract：:Previous studies have indicated that, during mechanical ventilation, an inspiratory pause enhances gas exchange. This has been attributed to prolonged time during which fresh gas of the tidal volume is present in the respiratory zone and is available for distribution in the lung periphery. The mean distribution time o...

journal_title：Clinical physiology and functional imaging

authors： Aboab J,Niklason L,Uttman L,Kouatchet A,Brochard L,Jonson B

更新日期：2007-01-01 00:00:00