Volumetric capnography: reliability and reproducibility in spontaneously breathing patients.

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:Haemodynamic responses to exercise are related to physical impairment and worse prognosis in patients with pulmonary arterial hypertension (PAH). It is clinically relevant, therefore, to investigate the practical usefulness of non-invasive methods of monitoring exercise haemodynamics in this patient populati...

journal_title：Clinical physiology and functional imaging

authors： Ferreira EM,Ota-Arakaki JS,Barbosa PB,Siqueira AC,Bravo DM,Kapins CE,Silva CM,Nery LE,Neder JA

更新日期：2012-09-01 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：AIMS:To investigate the association between glucose abnormalities and left ventricular (LV) function assessed by tissue Doppler imaging (TDI) in patients with previous history of myocardial infarction and without known diabetes mellitus. PATIENTS AND METHODS:In a cross-sectional study, 123 patients, aged 31-80 years, ...

journal_title：Clinical physiology and functional imaging

authors： Henareh L,Lind B,Brodin LA,Agewall S

更新日期：2007-01-01 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：: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：: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：:The association between muscle oxygen uptake (VO(2)) and perfusion or perfusion heterogeneity (relative dispersion, RD) was studied in eight healthy male subjects during intermittent isometric (1 s on, 2 s off) one-legged knee-extension exercise at variable intensities using positron emission tomography and a-v blood ...

journal_title：Clinical physiology and functional imaging

authors： Laaksonen MS,Björklund G,Heinonen I,Kemppainen J,Knuuti J,Kyröläinen H,Kalliokoski KK

更新日期：2010-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Our objective was to study relationships between the new biomarker of vascular health, carotid artery longitudinal wall motion (CALM) and metabolic syndrome (MetS). METHODS:Carotid ultrasound and assessment of MetS and its components were performed with 281 subjects aged 30-45 years. In the longitu...

journal_title：Clinical physiology and functional imaging

authors： Taivainen SH,Laitinen TM,Yli-Ollila H,Juonala M,Kähönen M,Raitakari OT,Laitinen TP

更新日期：2020-12-19 00:00:00

abstract：:Monitoring alterations in fingertip temperature during ischaemia and the subsequent hyperaemia provides a novel way of studying microvascular reactivity. The relations between parameters characterizing blood perfusion and the thermal response of fingertips were studied using experimental and theoretical approaches. Du...

journal_title：Clinical physiology and functional imaging

authors： Ley O,Dhindsa M,Sommerlad SM,Barnes JN,Devan AE,Naghavi M,Tanaka H

更新日期：2011-01-01 00:00:00

abstract：:Atherosclerosis is a growing health challenge globally, and despite our knowledge of the disease has increased over the last couple of decades, many unanswered questions remain. As molecular imaging can be used to visualize, characterize and measure biological processes at the molecular and cellular levels in living s...

journal_title：Clinical physiology and functional imaging

authors： Hag AM,Ripa RS,Pedersen SF,Bodholdt RP,Kjaer A

更新日期：2013-05-01 00:00:00

abstract：:Haemodialysis (HD) patients are characterized by muscle wasting and consequently decreased physical functioning and poor outcome. This pilot study investigated if a novel intradialytic exercise programme could increase lean mass via up-regulation of the insulin-like growth factor (IGF) system. Nine HD patients were as...

journal_title：Clinical physiology and functional imaging

authors： Macdonald JH,Marcora SM,Jibani M,Phanish MK,Holly J,Lemmey AB

更新日期：2005-03-01 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 study examined the effects of different periods of hypoxic training on glucose metabolism. Sedentary subjects underwent hypoxic training (FiO2 = 15.0%) for either 2 weeks (2-week group; n = 11) or 4 weeks (4-week group; n = 10). The 2-week group conducted training sessions on 6 days week(-1) for 2 weeks, whereas ...

journal_title：Clinical physiology and functional imaging

authors： Morishima T,Hasegawa Y,Sasaki H,Kurihara T,Hamaoka T,Goto K

更新日期：2015-03-01 00:00:00

abstract：:Exercise and improved diet is known to be beneficial in the management of type 2 (non-insulin dependent) diabetes mellitus. In practice, however, it is difficult for patients to implement these changes unaided. We hypothesized that a lifestyle modification programme involving residential visits would result in benefic...

journal_title：Clinical physiology and functional imaging

authors： Krook A,Holm I,Pettersson S,Wallberg-Henriksson H

更新日期：2003-01-01 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：:HIIT whole body (HWB)-based exercise is a new calisthenics exercise programme approach that can be considered an effective and safe method to improve physical fitness and body composition. HWB is a method that can be applied to different populations and ages. The purpose of this study was to describe possible methodol...

journal_title：Clinical physiology and functional imaging

authors： Machado AF,Baker JS,Figueira Junior AJ,Bocalini DS

更新日期：2019-11-01 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：OBJECTIVES:Early identification of haemorrhage is difficult when a bleeding site is not apparent. This study explored the potential use of the finger photoplethysmographic (PPG) waveform derived left ventricular ejection time (LVET(p)) and pulse transit time (PTT) for detecting blood loss, by using blood donation as a ...

journal_title：Clinical physiology and functional imaging

authors： Middleton PM,Chan GS,O'Lone E,Steel E,Carroll R,Celler BG,Lovell NH

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND:Chronic obstructive pulmonary disease (COPD) is characterized by inflammation of the lung in association with airflow obstruction. There is increasing evidence of upper airway involvement in COPD and we have reported that this nasal inflammation is proportional to that in the lung. Given recognized relations...

journal_title：Clinical physiology and functional imaging

authors： Hurst JR,Kuchai R,Michael P,Perera WR,Wilkinson TM,Wedzicha JA

更新日期：2006-07-01 00:00:00

abstract：SUMMARY:Increasing evidence suggests that local blood flow should be monitored during microdialysis (MD) as the recovery of analytes is affected by local blood flow. At present ethanol clearance is the standard technique for this purpose, but it is not functional at very low perfusion velocities. Here, we introduce a t...

journal_title：Clinical physiology and functional imaging

authors： Farnebo S,Samuelsson A,Henriksson J,Karlander LE,Sjöberg F

更新日期：2010-01-01 00:00:00

abstract：:In this study, we examined possible differences in brain activation between smooth pursuit and optokinetic reflexive (OKR) eye movements using functional magnetic resonance imaging (fMRI). Eighteen healthy subjects performed two different eye movement paradigms. In the first paradigm, smooth pursuit eye movements were...

journal_title：Clinical physiology and functional imaging

authors： Schraa-Tam CK,van der Lugt A,Smits M,Frens MA,van Broekhoven PC,van der Geest JN

更新日期：2009-07-01 00:00:00

abstract：INTRODUCTION:The mechanism of immersion pulmonary oedema occurring in healthy divers is a matter of debate. Among consecutive injured divers admitted to our hyperbaric centre, we analysed prospective data about pulmonary oedema. METHOD:A total of 22 divers suffering from immersion pulmonary oedema without cardiac dise...

journal_title：Clinical physiology and functional imaging

authors： Coulange M,Rossi P,Gargne O,Gole Y,Bessereau J,Regnard J,Jammes Y,Barthélémy A,Auffray JP,Boussuges A

更新日期：2010-05-01 00:00:00

abstract：:Measurement of body composition to assess health risk and prevention is expanding. Accurate portable techniques are needed to facilitate use in clinical settings. This study evaluated the accuracy and repeatability of a portable ultrasound (US) in comparison with a four-compartment criterion for per cent body fat (%Fa...

journal_title：Clinical physiology and functional imaging

authors： Smith-Ryan AE,Blue MNM,Trexler ET,Hirsch KR

更新日期：2018-03-01 00:00:00

abstract：:A brief Valsalva manoeuvre, lasting 2-3 s, performed by young healthy men during strength exercise reduces transmural pressure acting on intrathoracic arteries. In this study, we sought to verify this finding in older men. Twenty normotensive, prehypertensive and moderately hypertensive otherwise healthy men 46-69 yea...

journal_title：Clinical physiology and functional imaging

authors： Niewiadomski W,Pilis A,Strasz A,Laskowska D,Gąsiorowska A,Pilis K,Cybulski G

更新日期：2014-05-01 00:00:00

abstract：BACKGROUND:In MRI studies of carotid plaques, ultrasound is used to find plaques, which are later imaged using MRI. The performance in plaque detection has not been compared between the modalities. The aim of the current study was to compare the performance of MRI and ultrasound in detecting carotid artery plaques and ...

journal_title：Clinical physiology and functional imaging

authors： Hjelmgren O,Schmidt C,Johansson L,Bergström GML

更新日期：2018-03-01 00:00:00

abstract：BACKGROUND:Many patients with pulmonary hypertension (PH) have symptoms of angina without evidence of occlusive coronary artery disease. For the first time, this study addresses the influence of progressively increasing pulmonary artery pressure (PAP) on left anterior descending artery flow in a rat model of PH. The ro...

journal_title：Clinical physiology and functional imaging

authors： Koskenvuo JW,Mirsky R,Zhang Y,Helenius H,Angeli FS,De Marco T,Boyle AJ,Yeghiazarians Y

更新日期：2011-11-01 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：: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：BACKGROUND:Radiofrequency (RF) data technology is a newly developed method to evaluate vascular disease, especially subclinical atherosclerotic change. Data regarding predictors of intima-media thickness (IMT) and vascular elasticity of the common carotid artery (CCA) in subjects with isolated systolic hypertension (IS...

journal_title：Clinical physiology and functional imaging

authors： Dan HJ,Wang Y,Zeng MX,Luan YY,Hu B

更新日期：2011-07-01 00:00:00