Automatic T2* determination for quantification of iron load in heart and liver: a comparison between automatic inline Maximum Likelihood Estimate and the truncation and offset methods.

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

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:Cardiac magnetic resonance imaging (CMR) is a promising method for detecting coronary artery disease (CAD). The first reports of new diagnostic techniques indicated generally unrealistic diagnostic performance relying on retrospectively observed cut-off values of quantitative parameters. Although visual anal...

journal_title：Clinical physiology and functional imaging

authors： Pärkkä JP,Koskenvuo JW,Kervinen H,Poutanen VP,Lohela P,Järvinen V

更新日期：2010-03-01 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：: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：: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 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：PURPOSE:The purpose of this study was to analyse gender differences in neuromuscular behaviour of the gastrocnemius and vastus lateralis during the take-off phase of a countermovement jump (CMJ), using direct measures (ground reaction forces, muscle activity and dynamic ultrasound). METHODS:Sixty-four young adults (ag...

journal_title：Clinical physiology and functional imaging

authors： Rubio-Arias JÁ,Ramos-Campo DJ,Peña Amaro J,Esteban P,Mendizábal S,Jiménez JF

更新日期：2017-11-01 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：: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：: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：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：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：: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：: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：:This study aimed to compare the effect of different types of pressure applied to the stimulation electrode on assessing the efficiency of Ia-α-motoneuron transmission of the soleus muscle and the associated discomfort using electrical nerve stimulation. Twelve healthy young adults participated in three experimental se...

journal_title：Clinical physiology and functional imaging

authors： Cattagni T,Merlet AN,Cornu C,Jubeau M

更新日期：2018-05-01 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: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：: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：: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：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：: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: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：:Low-intensity resistance exercise can effectively induce muscle hypertrophy and increases in strength when combined with moderate blood flow restriction (BFR). As this type of exercise does not require lifting heavy weights, it might be a feasible method of cardiac rehabilitation, in which resistance exercise has been...

journal_title：Clinical physiology and functional imaging

authors： Madarame H,Kurano M,Fukumura K,Fukuda T,Nakajima T

更新日期：2013-01-01 00:00:00

abstract：BACKGROUND:Previous studies have shown a significantly higher correlation between left ventricular mass index (LVMi) and high-frequency QRS components (HF-QRS) than between LVMi and QRS amplitudes in the standard frequency range in rabbits. The purpose of the present study was to compare ECG measurements from standard ...

journal_title：Clinical physiology and functional imaging

authors： Trägårdh E,Arheden H,Pettersson J,Wagner GS,Pahlm O

更新日期：2006-05-01 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：BACKGROUND:Takayasu arteritis (TA) is a rare large-vessel arteritis that primarily affects the aorta and its major branches. The aim of this study was to describe the value of high frequency ultrasound for monitoring of inflammatory activity. METHODS:Twenty-five patients, range 11-71 years, diagnosed with TA were inve...

journal_title：Clinical physiology and functional imaging

authors： Svensson C,Eriksson P,Zachrisson H

更新日期：2020-01-01 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：BACKGROUND:Air-displacement plethysmography (ADP) systems can either measure or predict lung volume (LV) in their test trials. The repeatability of the predicted and the measured value is an important factor in the accuracy of the final test result. OBJECTIVE:Compare the variability and accuracy of ADP tests using pre...

journal_title：Clinical physiology and functional imaging

authors： Otterstetter R,Johnson KE,Kiger DL,Agnor SE,Kappler RM,Reinking M,Tessmer K

更新日期：2015-09-01 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