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Feasibility of a Novel Augmented 6-Minute Incremental Step Test: A Simplified Cardiorespiratory Fitness Assessment Tool.
JACC Adv
August 2024
Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina, USA.
Article Synopsis
- The study evaluates the effectiveness of a new 6-minute incremental step test (6MIST) combined with portable devices as a simpler alternative to the traditional cardiopulmonary exercise test (CPET) for assessing cardiorespiratory fitness (CRF).
- Researchers enrolled 15 patients who underwent both the 6MIST and standard CPET, recording various CRF-related metrics with wearable technology during the tests.
- The results showed a strong correlation between the measurements from both tests for several CRF parameters; however, there was a weak correlation for cardiac index, indicating that while the 6MIST could be promising, it's not a complete substitute for CPET in measuring all aspects of cardiac function.
Determination using impedance cardiograph of the chronic effects of different doses of radiotherapy on the cardiovascular system of rats.
Int J Radiat Biol
February 2024
Department of Histology-Embryology, Usak University, Usak, Türkiye.
Aim: Cardiac damage caused by radiation in the long term varies according to the radiation dose received by the heart. In this study, it was aimed to evaluate the damage caused by different radiation doses in the heart, together with hemodynamic parameters, immunhistochemistry, and histopathological analyzes for long term.
Method And Materials: The animals were divided into four groups: The rats in control group (Group 1) were not irradiated; the rats in group 2 were irradiated with 5 Gy; the rats in group 3 were irradiated with 10 Gy and the rats in group 4 were irradiated with 20 Gy.
Effects of resistance training on baroreflex sensitivity function in healthy males.
J Phys Ther Sci
October 2022
Present address: Department of Physical Therapy, Faculty of Health Science Technology, Bunkyo Gakuin University: 1196 Kamekubo, Fujimino, Saitama 356-8533, Japan.
[Purpose] This experimental study examined the effects of resistance exercises with three intensities on baroreflex sensitivity (BRS) in healthy males. [Participants and Methods] This study enrolled 27 sedentary healthy males with the following demographic characteristics: mean age, 19.9 years; body mass, 63.
View Article and Find Full Text PDFThe relationship between maternal smartphone use, physiological responses, and gaze patterns during breastfeeding and face-to-face interactions with infant.
PLoS One
November 2021
Department of Psychology, Bar-Ilan University, Ramat-Gan, Israel.
Smartphone use during parent-child interactions is highly prevalent, however, there is a lack of scientific knowledge on how smartphone use during breastfeeding or face-to-face interactions may modulate mothers' attentive responsiveness towards the infant as well as maternal physiological arousal. In the present study, we provide the first evidence for the influence of the smartphone on maternal physiological responses and her attention towards the infant during breastfeeding and face-to-face interactions. Twenty breastfeeding mothers and their infants participated in this lab study during which electrodermal activity, cardiograph impedance, and gaze patterns were monitored in breastfeeding and face-to-face interactions with three conditions manipulating the level of maternal smartphone involvement.
View Article and Find Full Text PDFImpedance plethysmography-based method in the assessment of subclinical atherosclerosis.
Atherosclerosis
February 2021
Finnish Cardiovascular Research Center - Tampere, Arvo Ylpön Katu 34 (33520 Tampere), P.O. Box 100, FI-33014 Tampere University, Finland; Faculty of Medicine and Health Technology, Arvo Ylpön Katu 34 (33520 Tampere) P.O. Box 100, FI-33014 Tampere University, Finland; Vascular Centre, Tampere University Hospital, Elämänaukio 2 (33520 Tampere), P.O. Box 2000, Tampere, 33521, Finland. Electronic address:
Background And Aims: The aim of this study was to examine an association of individual and combined pulse waveform parameters derived from bioimpedance measurements, that is pulse waves from a distal impedance plethysmographic (IPG), a whole-body impedance cardiographic (ICG) and transformed distal impedance plethysmographic (tIPG) signals, with markers of subclinical atherosclerosis, i.e. carotid intima-media thickness (cIMT), brachial artery flow-mediated dilation (FMD) and carotid artery distensibility (Cdist).
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