Impact of abnormal cerebrovascular reactivity on BOLD fMRI: a preliminary investigation of moyamoya disease.

abstract：:Bone Scan Index (BSI) is a validated imaging biomarker to objectively assess tumour burden in bone in patients with prostate cancer, and can be used to monitor treatment response. It is not known if BSI is significantly altered when images are acquired at a time difference of 1 h. The aim of this study was to investig...

journal_title：Clinical physiology and functional imaging

authors： Kaboteh R,Minarik D,Reza M,Sadik M,Trägårdh E

更新日期：2018-04-06 00:00:00

abstract：:Tracers for myocardial perfusion imaging during stress should not only have high cardiac uptake but they should also have a fast blood clearance to prevent myocardial tracer uptake after the ischaemic stimulus. The present study characterize the early phase of the arterial (99m)Tc-sestamibi (MIBI) time-activity curve ...

journal_title：Clinical physiology and functional imaging

authors： Sand NP,Juelsgaard P,Rasmussen K,Flø C,Thuesen L,Bagger JP,Nielsen TT,Rehling M

更新日期：2004-11-01 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: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：: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：:Planar lung ventilation/perfusion scintigraphy (V/P(PLANAR)) is a standard method for diagnosis of pulmonary embolism (PE). The goals of this study were to test whether the diagnostic information of ventilation/perfusion tomography (V/P(SPET)) applied in clinical routine might enhance information compared with V/P(PLA...

journal_title：Clinical physiology and functional imaging

authors： Bajc M,Olsson CG,Olsson B,Palmer J,Jonson B

更新日期：2004-09-01 00:00:00

abstract：PURPOSE:(i) To evaluate the feasibility of tracer kinetics analysis of dynamic contrast-enhanced (DCE) CT and T2-weighted MR data of squamous cell carcinoma (SCCA) of the upper aerodigestive tract. (ii) To compare functional parameters derived by both modalities and examine the interchangeability of them as well as the...

journal_title：Clinical physiology and functional imaging

authors： Bisdas S,Baghi M,Wagenblast J,Bisdas T,Thng CH,Mack MG,Koh TS,Ernemann U

更新日期：2009-09-01 00:00:00

abstract：:The purpose of this study was to determine the muscular adaptations to low-load resistance training performed to fatigue with and without blood flow restriction (BFR). Middle-aged (42-62 years) men (n = 12) and women (n = 6) completed 18 sessions of unilateral knee extensor resistance training to volitional fatigue ov...

journal_title：Clinical physiology and functional imaging

authors： Fahs CA,Loenneke JP,Thiebaud RS,Rossow LM,Kim D,Abe T,Beck TW,Feeback DL,Bemben DA,Bemben MG

更新日期：2015-05-01 00:00:00

abstract：:Given the important role of the shoulder sensorimotor system in shoulder stability, its assessment appears of interest. Force platform monitoring of centre of pressure (CoP) in upper-limb weight-bearing positions is of interest as it allows integration of all aspects of shoulder sensorimotor control. This study aimed ...

journal_title：Clinical physiology and functional imaging

authors： Edouard P,Gasq D,Calmels P,Ducrot S,Degache F

更新日期：2012-09-01 00:00:00

abstract：:Chronic inflammation has been identified as an important component of metabolic syndrome (MetS). Inhibition of the inflammatory mediator signals is a promising strategy against insulin resistance, atherosclerosis and other problems associated with MetS. Regular exercise decreases the components associated with MetS, i...

journal_title：Clinical physiology and functional imaging

authors： Pereira GB,Tibana RA,Navalta J,Sousa NM,Córdova C,Souza VC,Nóbrega OT,Prestes J,Perez SE

更新日期：2013-03-01 00:00:00

abstract：:The aim was to validate possible vasodilating effects of a Ginkgo biloba extract with a secondary aim of finding a pharmacodynamic signal relating to the active component of these extracts. We studied the effect of G. biloba extract on forearm haemodynamics in 16 healthy subjects (nine females, seven males) with a med...

journal_title：Clinical physiology and functional imaging

authors： Mehlsen J,Drabaek H,Wiinberg N,Winther K

更新日期：2002-11-01 00:00:00

abstract：:The aim of this investigation was to evaluate the inter- and intra-session reliability of spatio-temporal gait variables collected during walking and stair climbing with the Intelligent Device for Energy Expenditure and physical Activity (IDEEA) accelerometer-based system. Eighteen healthy subjects (10 men, 8 women) c...

journal_title：Clinical physiology and functional imaging

authors： Gorelick ML,Bizzini M,Maffiuletti NA,Munzinger JP,Munzinger U

更新日期：2009-07-01 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

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：:Patients with nemaline myopathy, a muscle disorder primarily affecting the thin filaments, suffer from weakness which is poorly understood. As disturbed excitation-contraction coupling has been suggested as a possible mechanism, the present study was designed to investigate whether the contractile properties of the kn...

journal_title：Clinical physiology and functional imaging

authors： Gerrits K,Pauw-Gommans I,van Engelen B,de Haan A

更新日期：2007-07-01 00:00:00

abstract：AIMS:Cigarettes and Swedish snuff contain nicotine, which influence the cardiovascular system. Cigarette smoke has been shown to give an acute impairment in diastolic heart parameters. The systolic and diastolic heart function in snuff users is not thoroughly enough investigated. The aim of this study was to investigat...

journal_title：Clinical physiology and functional imaging

authors： Sundström D,Waldenborg M,Emilsson K

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND:Duplex ultrasound (DUS) has shown a >90% accuracy compared to angiography, concerning the degree of internal carotid artery (ICA) stenosis. However, uncertainty may occur in a severe stenosis, in which peak systolic velocity (PSV) may decrease owing to high flow resistance or high backward pressure. We inves...

journal_title：Clinical physiology and functional imaging

authors： Zachrisson H,Fouladiun M,Blomstrand C,Holm J,Volkmann R

更新日期：2012-05-01 00:00:00

abstract：:This cross-sectional study provides values for lumbar spine bone mineral content (BMC) and density (BMD) in 41 healthy full-term born Finnish infants, 19 boys and 22 girls, during the first year of life measured by dual energy X-ray absorptiometry (DXA) using the Lunar DPX densitometer. Lumbar BMC correlated with the ...

journal_title：Clinical physiology and functional imaging

authors： Kurl S,Heinonen K,Jurvelin JS,Länsimies E

更新日期：2002-05-01 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：:The aim of the study was to collect new reference values for the clinical ramp exercise test on bicycle, because in our experience, the commonly used values were too low. A group of healthy men (n = 81, 20-80 years) was randomly selected from the local municipal register to achieve an even distribution in age. Data we...

journal_title：Clinical physiology and functional imaging

authors： Wohlfart B,Farazdaghi GR

更新日期：2003-05-01 00:00:00

abstract：:The purpose of this study was to examine the effectiveness of maximal and rapid isometric torque characteristics of the hip extensor muscles and postural balance performance to discriminate between female collegiate soccer athletes and non-athlete controls. Ten athletes (mean ± SE: age = 19·20 ± 0·36 year; mass = 62·2...

journal_title：Clinical physiology and functional imaging

authors： Palmer TB,Hawkey MJ,Thiele RM,Conchola EC,Adams BM,Akehi K,Smith DB,Thompson BJ

更新日期：2015-07-01 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：:Magnetic resonance imaging (MRI) of the abdomen is a widely established imaging modality in the diagnostic workup of patients suffering from abdominal disorders. Small-bowel motility analyses using MRI have recently been introduced to provide functional information about the intestine not provided by morphological ana...

journal_title：Clinical physiology and functional imaging

authors： Bickelhaupt S,Froehlich JM,Wentz KU,von Weymarn C,Patak MA

更新日期：2015-01-01 00:00:00

abstract：:Cirrhotic cardiomyopathy (CCM) is characterized by an impaired contractile response to stress, diastolic dysfunction and the presence of electrophysiological abnormalities, and it may be diagnosed at rest in some patients or demasked by physiological or pharmacological stress. CCM seems to be involved in the developme...

journal_title：Clinical physiology and functional imaging

authors： Wiese S,Hove JD,Møller S

更新日期：2017-07-01 00:00:00

abstract：OBJECTIVE AND METHODS:We compared InBody720 segmental multifrequency bioimpedance analysis (SMF-BIA) with Lunar Prodigy Advance dual-energy X-ray absorptiometry (DXA) in assessment of body composition among 178 predominantly prepubertal children. Segmental agreement analysis of body compartments was carried out, and in...

journal_title：Clinical physiology and functional imaging

authors： Tompuri TT,Lakka TA,Hakulinen M,Lindi V,Laaksonen DE,Kilpeläinen TO,Jääskeläinen J,Lakka HM,Laitinen T

更新日期：2015-01-01 00:00:00

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：:Phase-shift time curves following a bolus injection of gadolinium contrast agent were registered for grey-matter regions and large vessels in 14 subjects. Deconvolving a tissue phase-shift curve with a phase-based arterial input function resulted in a tissue residue function R(t). The peak value of R(t) provided a rel...

journal_title：Clinical physiology and functional imaging

authors： Wirestam R,Lindgren E,van Westen D,Bloch KM,Ståhlberg F,Knutsson L

更新日期：2010-09-01 00:00:00

abstract：:The purpose of this study was to determine whether exercise modulates the responses of middle cerebral artery blood velocity (MCA V(mean)) and cerebrovascular conductance to sympathetic stimulation (i.e. cold pressor test--CPT). To accomplish this, MCA V(mean) responses were assessed during CPT, static handgrip exerci...

journal_title：Clinical physiology and functional imaging

authors： Vianna LC,Sales AR,da Nóbrega AC

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:Tissue dielectric constant (TDC) measurement may become an important tool in the clinical evaluation of chronic lower extremity swelling in women; however, several factors are known to influence TDC measurements, and comparative data on healthy lower extremities are few. METHODS:Thirty-four healthy women vo...

journal_title：Clinical physiology and functional imaging

authors： Jensen MR,Birkballe S,Nørregaard S,Karlsmark T

更新日期：2012-07-01 00:00:00

abstract：:Intercostal artery blood flow supplies the external and internal intercostal muscles, which are inspiratory and expiratory muscles. Intercostal blood flow measured by the echo-Doppler (ED) technique has not previously been reported in humans. This study describes the feasibility of this measurement during free and loa...

journal_title：Clinical physiology and functional imaging

authors： de Bisschop C,Montaudon M,Glénet S,Guénard H

更新日期：2017-05-01 00:00:00