Influence of reconstruction algorithms on image quality in SPECT myocardial perfusion imaging.

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：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:Autonomic dysfunction (AD) and cardiopulmonary exercise testing (CPET) parameters have been associated with masked heart failure with preserved ejection fraction (HFpEF) in the general population. Their clinical significance for masked HFpEF in chronic obstructive pulmonary disease (COPD) is however elusive....

journal_title：Clinical physiology and functional imaging

authors： Cherneva R,Denchev S,Cherneva ZV

更新日期：2020-07-01 00:00:00

abstract：:Across various populations, verification testing is used to confirm VO(2)max attainment and has repeatedly shown similar VO(2)max values to those obtained from incremental exercise. Yet, many individuals show meaningful differences in VO(2)max between protocols, and an explanation for this is unknown. The aim of the s...

journal_title：Clinical physiology and functional imaging

authors： Astorino TA,White AC

更新日期：2010-07-01 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：: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：: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：UNLABELLED:The aim of the study was to validate the accuracy of the EXINI heart software (EXINI) package in assessing left ventricular end-diastolic/systolic volumes (EDV, ESV) and ejection fraction (LVEF) from gated (99m)Tc-MIBI single-photon emission tomography (SPECT). Cardiac magnetic resonance imaging (cMRI) was u...

journal_title：Clinical physiology and functional imaging

authors： Winz OH,Meyer PT,Knollmann D,Lipke CS,Kühl HP,Oelve C,Schaefer WM

更新日期：2009-04-01 00:00:00

abstract：OBJECTIVE:Differences in circulating bubble production have been described after exposures in altitude chambers between men and women. The present study was designed to examine gender differences in circulating bubble production after a dive. METHODS:Fifty-two men and 52 women performed the same dive profile (25 min t...

journal_title：Clinical physiology and functional imaging

authors： Boussuges A,Retali G,Bodéré-Melin M,Gardette B,Carturan D

更新日期：2009-11-01 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：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：:The grey level of co-occurrence matrix (GLCM) is a texture analysis approach accounting for spatial distribution of the pixels from an image and can be a promising method for exercise-induced muscle damage (EIMD) studies. We followed up the time changes of two GLCM texture parameters and echo intensity (EI) on ultraso...

journal_title：Clinical physiology and functional imaging

authors： Matta TTD,Pereira WCA,Radaelli R,Pinto RS,Oliveira LF

更新日期：2018-05-01 00:00:00

abstract：OBJECTIVE:Due to delivery problems with the most commonly used bone scintigraphic agent medronate-(99m)Tc-methylene diphosphonate (MDP) (medronate), several regional institutions changed, at various time points, to (99m)Tc-dicarboxypropane diphosphonate (DPD) (Teceos) from 2010. Extraosseous uptake, in particular, myoc...

journal_title：Clinical physiology and functional imaging

authors： Bach-Gansmo T,Wien TN,Løndalen A,Halvorsen E

更新日期：2016-05-01 00:00:00

abstract：:The relationships between electromyographic (EMG) activity and force as well as muscle blood flow and work have been well established. However, the association between muscle blood flow and EMG activity remains unsolved. Thus, to test the hypothesis that muscle EMG activity relates to muscle perfusion in different com...

journal_title：Clinical physiology and functional imaging

authors： Laaksonen MS,Kyröläinen H,Kalliokoski KK,Nuutila P,Knuuti J

更新日期：2006-03-01 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 hypothesis that the Poincaré plot indexes of heart rate variability (HRV) detect dynamic changes after haemodialysis (HD) over the HRV in haemodynamically stable chronic renal failure (CRF) patients was examined. Minor axis (SD1), major axis (SD2) and the SD1/SD2 ratio were compared against standard HRV indexes in...

journal_title：Clinical physiology and functional imaging

authors： Lerma C,Infante O,Pérez-Grovas H,José MV

更新日期：2003-03-01 00:00:00

abstract：:The objective of this randomized, double-masked, cross-over study was to compare the cardiovascular effects of two glaucoma formulations, ophthalmic 0.5% timolol aqueous solution and 0.1% timolol hydrogel. Twenty-four young healthy subjects received for 2 weeks either twice daily 0.5% timolol solution or once daily 0....

journal_title：Clinical physiology and functional imaging

authors： Niño J,Tahvanainen K,Uusitalo H,Turjanmaa V,Hutri-Kähönen N,Kaila T,Ropo A,Kuusela T,Kähönen M

更新日期：2002-07-01 00:00:00

abstract：:Obesity is a steadily growing epidemic affecting all segments of the population including college-aged students. The weight gain that is evidenced amid the transitional stage of college years increases the risks associated with cardiovascular and metabolic diseases. The BodyMetrix® BX-2000 (ULTRA) using a seven-site m...

journal_title：Clinical physiology and functional imaging

authors： Baranauskas MN,Johnson KE,Juvancic-Heltzel JA,Kappler RM,Richardson L,Jamieson S,Otterstetter R

更新日期：2017-05-01 00:00:00

abstract：BACKGROUND:Historically, Q-wave myocardial infarction (MI) has been equated with transmural MI. This association have, however, recently been rejected. The endocardial extent of MI is another potential determinant of pathological Q waves, since the first part of the QRS complex where the Q wave appears reflects depolar...

journal_title：Clinical physiology and functional imaging

authors： Engblom H,Carlsson MB,Hedström E,Heiberg E,Ugander M,Wagner GS,Arheden H

更新日期：2007-03-01 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：: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：: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：PURPOSE:To validate ironload T2* by automatic inline Maximum Likelihood Estimate (MLE) with k-space Rician noise correction, against the manual and automated truncation, as well as offset methods, in phantoms and in heart and liver in patients. METHODS:Twenty-five patients and an iron-oxide phantom were scanned at 1.5...

journal_title：Clinical physiology and functional imaging

authors： Hedström E,Voigt T,Greil G,Schaeffter T,Nagel E

更新日期：2017-05-01 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：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：: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：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

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 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