Poincaré plot indexes of heart rate variability capture dynamic adaptations after haemodialysis in chronic renal failure patients.

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 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: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：:Transcutaneous electrical nerve stimulation (TENS) is used to relieve acute and chronic pain. TENS electrodes are applied at the site of pain or in segments related to the pain, although there is limited research to support either approach. This study investigated the effects of unilateral TENS on mechanical and therm...

journal_title：Clinical physiology and functional imaging

authors： Dean J,Bowsher D,Johnson MI

更新日期：2006-09-01 00:00:00

abstract：:There is no general agreement on the spirometric definition of chronic obstructive pulmonary disease (COPD). The global initiative for obstructive lung disease recommends a fixed ratio between forced expiratory volume in one-second (FEV1 ) and forced vital capacity (FVC) of <0·7 (FR) for the diagnosis of COPD. Europea...

journal_title：Clinical physiology and functional imaging

authors： Wollmer P,Frantz S,Engström G,Dencker M,Löfdahl CG,Nihlén U

更新日期：2017-05-01 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 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：: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：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：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：:Diffusion-weighted magnetic resonance imaging (DW-MRI) is an established technique to detect the changes of the diffusion of water in biological tissues and reflect the pathophysiological process on the molecular level. It is a promising non-invasive imaging modality in detection of microstructural and functional chan...

journal_title：Clinical physiology and functional imaging

authors： Ye J,Kumar BS,Li XB,Li HM,Zhou YW,Liu LQ

更新日期：2017-09-01 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：:Blood flow (BF) in exercising muscles is an important factor for exercise capacity. Recently, a non-invasive method to estimate capillary BF (Qcap ) was introduced. Using this method, the Fick principle is re-arranged by using relative differences in deoxygenated haemoglobin (ΔHHb) as a surrogate for arteriovenous O2 ...

journal_title：Clinical physiology and functional imaging

authors： Stöcker F,Von Oldershausen C,Paternoster FK,Schulz T,Oberhoffer R

更新日期：2018-05-01 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：:New advances in computer processing and imaging have allowed the development of innovative techniques to assess lung function. A promising methodology is optoelectronic plethysmography (OEP). OEP evaluates ventilatory kinematics through the use of infrared imaging. Markers are placed, and images read on the chest, bac...

journal_title：Clinical physiology and functional imaging

authors： Layton AM,Garber CE,Basner RC,Bartels MN

更新日期：2011-09-01 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 aim was to investigate and compare the effects of proprioceptive neuromuscular facilitation (PNF) and static stretching (SS) on maximal voluntary contraction (MVC) and muscle activation in indoor soccer players. Thirty-three young adult men were divided into two groups: (i) sedentary and (ii) trained. Each group c...

journal_title：Clinical physiology and functional imaging

authors： Reis Eda F,Pereira GB,de Sousa NM,Tibana RA,Silva MF,Araujo M,Gomes I,Prestes J

更新日期：2013-11-01 00:00:00

abstract：:It has been frequently argued that haemodynamic limitations are poor predictors of exercise performance in people with peripheral arterial disease (PAD) and intermittent claudication. This review has tried to address this argument through a review of published data that appears to support or counterbalance it, brief c...

journal_title：Clinical physiology and functional imaging

authors： Green S

更新日期：2002-03-01 00:00:00

abstract：:The suspicion of chronic rejection [bronchiolithis obliterans syndrome (BOS)] is usually based on deteriorating forced expired volume in 1 s. It is however, desirable to develop more sensitive methods as increased anti-inflammatory therapy is thought to stop progression of the rejection. The aim of the present study w...

journal_title：Clinical physiology and functional imaging

authors： Johansson A,Moonen M,Enocson A,Mårtensson G,Bake B

更新日期：2005-05-01 00:00:00

abstract：PURPOSE:We aimed to evaluate the functionality of an adapted inspiratory muscle training device designed to allow pressures higher than 41 cmH(2)O that can be precisely controlled. The adaptation was made in a commercially available Threshold IMT device, and the opening pressures and linearity of load were evaluated in...

journal_title：Clinical physiology and functional imaging

authors： Fregonezi GA,Azevedo IG,Araujo TL,Dias FA,Resqueti VR

更新日期：2009-11-01 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

abstract：:Cryogenic temperature transmission electron microscopy (cryo-TEM) makes it possible to study the nanostructure of a wide range of fluid phases with a high degree of preservation. Most studies based on scanning electron microscopy or TEM employ specimen preparation techniques that give extraordinary results for tissues...

journal_title：Clinical physiology and functional imaging

authors： Waisman D,Danino D,Weintraub Z,Schmidt J,Talmon Y

更新日期：2007-11-01 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：BACKGROUND:The use of radioactive compounds for sentinel node biopsy is now a generally accepted part of the surgical treatment of breast cancer and melanoma, with the risk of radiation exposure to the operating team. The aim of this investigation was to study the levels of this exposure in relation to the permissible ...

journal_title：Clinical physiology and functional imaging

authors： Klausen TL,Chakera AH,Friis E,Rank F,Hesse B,Holm S

更新日期：2005-07-01 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：:Literature does not agree with the usefulness of exercise blood pressure (BP) in predicting hypertension or target organ damage. In this prospective 10 years of follow-up, we evaluated if exaggerated BP responses to tests may improve the prediction of left ventricular mass index (LVMI). At baseline, BP was recorded by...

journal_title：Clinical physiology and functional imaging

authors： Jokiniitty J,Majahalme S,Kähönen M,Tuomisto MT,Turjanmaa V

更新日期：2002-05-01 00:00:00

abstract：:We questioned whether electromyographic (EMG) signs of neuromuscular fatigue accompany the changes in respiratory variables measured at the ventilatory threshold (VTh) during exercise on a cycloergometer. This was based on the assumption that the activation of muscle afferents sensitive to accumulation of lactate and ...

journal_title：Clinical physiology and functional imaging

authors： Hug F,Faucher M,Kipson N,Jammes Y

更新日期：2003-07-01 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：: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:The BodyMetrix(®) BX-2000 Ultrasound device (ULTRA) shows prowess in being an effective alternative to the expense and technicality of dual-energy X-ray absorptiometry (DXA). However, this technique has not been investigated using a seven-site methodology. SUBJECT/OBJECTIVE:To employ a cross-over design to ...

journal_title：Clinical physiology and functional imaging

authors： Johnson KE,Miller B,Juvancic-Heltzel JA,Agnor SE,Kiger DL,Kappler RM,Otterstetter R

更新日期：2014-11-01 00:00:00