Interactive effects of mental and physical stress  on cardiovascular control

Wasmund, Wendy L.; Westerholm, Erin C.; Watenpaugh, Donald E.; Wasmund, Stephen L.; Smith, Michael L.

doi:10.1152/japplphysiol.00019.2001

Cited by 56 publications

(51 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…16,54 In our study it was shown that the effect of this test on parameters of central AS was similar but less pronounced compared to that of the FHG. Our data are in agreement with the results of a previous study, which showed that acute mental test had an unfavourable effect on AS and wave reflection that lasted for a prolonged period.…”

Section: Lydakis Et Alsupporting

confidence: 49%

See 1 more Smart Citation

Changes of central haemodynamic parameters during mental stress and acute bouts of static and dynamic exercise

et al. 2008

View full text Add to dashboard Cite

Chronic dynamic (aerobic) exercise decreases central arterial stiffness, whereas chronic resistance exercise evokes the opposite effect. Nevertheless, there is little information available on the effects of acute bouts of exercise. Also, there is limited data showing an increase of central arterial stiffness during acute mental stress. This study aimed to determine the effect of acute mental and physical (static and dynamic exercise) stress on indices of central arterial stiffness. Fifteen young healthy volunteers were studied. The following paradigms were performed: (1) 2 min of mental arithmetic, (2) short bouts (20 s) of static handgrip at 20 and 70% of maximal voluntary contraction (MVC), (3) fatiguing handgrip at 40% MVC and (4) incremental dynamic knee extensor exercise. Central aortic waveforms were assessed using SphygmoCor software. As compared to baseline, pulse wave transit time decreased significantly for all four interventions indicating that central arterial stiffness increased. During fatiguing handgrip there was a fall in the ratio of peripheral to central pulse pressure from 1.69 ± 0.02 at baseline to 1.56±0.05 (Po0.05). In the knee extensor protocol a nonsignificant trend for the opposite effect was noted. The augmentation index increased significantly during the arithmetic, short static and fatiguing handgrip protocols, whereas there was no change in the knee extensor protocol. We conclude that (1) during all types of acute stress tested in this study (including dynamic exercise) estimated central stiffness increased, (2) during static exercise the workload posed on the left ventricle (expressed as change in central pulse pressure) is relatively higher than that posed during dynamic exercise (given the same pulse pressure change in the periphery).

show abstract

Section: Lydakis Et Alsupporting

confidence: 49%

“…A recent study showed a prolonged unfavourable effect of mental stress on indices of aortic stiffness and wave reflection. 15 Activation of the sympathetic nervous system has been documented during both mental stress 16 and exercise (static 17 or dynamic 18 ).…”

Section: Introductionmentioning

confidence: 99%

Changes of central haemodynamic parameters during mental stress and acute bouts of static and dynamic exercise

et al. 2008

View full text Add to dashboard Cite

show abstract

“…[9] Cardiovascular system reacts to this stress as a result of increased output and decreased reuptake of catecholamines by sympathetic part of autonomic nervous system. [2] This is supplemented by the fact that during menstruating phase, the level of estrogen hormone falls and levels of folliclestimulating hormone (FSH) and luteinizing hormone (LH) rise. As a result, there is increased sympathetic and low parasympathetic activity on exposure to stressors.…”

Section: Discussionmentioning

confidence: 99%

“…[2,3] All subjects were explained in detail in the language understood by them and to their satisfaction about the procedure of the tests to be conducted on them. Voluntary written informed consent was taken from all the subjects.…”

Section: Study Populationmentioning

confidence: 99%

“…Autonomic function tests based on cardiovascular responses to stressors give objective results and are simple and non-invasive tests, which help the clinician to make a proper assessment of the state of autonomic nervous system that helps to determine what effects various stressful procedures and / or drugs will have on female patients. [1,2] …”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A comparative analysis of cardiovascular response to stress in menstrual and follicular phase in medical students

Wadikar¹,

Bhandarkar²

2017

Natl J Physiol Pharm Pharmacol

View full text Add to dashboard Cite

Background: Autonomic function tests based on cardiovascular responses to stressors are simple and non-invasive methods to help the clinician to make a proper assessment of the state of autonomic nervous system so as to determine an appropriate line of treatment for patients considering the impact of hormonal changes in females during menstrual cycle. Aims and Objectives: To study cardiovascular response to stress in menstrual and follicular phases of menstrual cycle and to analyze the impact of menstrual phase on cardiovascular response to stress. Materials and Methods: The study was conducted at Topiwala National Medical College, Mumbai on 30 normal healthy females between the age group of 18 and 26 years in menstrual and follicular phases with 24-32 days menstrual cycle. The tests performed were: Deep breathing test (expiration: inspiration [E:I] index), orthostatic tolerance test (postural index), Valsalva maneuver, isometric handgrip test (IHG), and cold pressor test (CPT). Results: Paired t-test was used for analysis. Values were expressed as a mean ± standard deviation. E:I index, postural index and Valsalva ratio were greater in follicular phase than in menstrual phase (P < 0.05). Rise in systolic and diastolic blood pressure due to IHG and CPT was greater in menstrual phase than in follicular phase (P < 0.05). Conclusion: Results indicated that there was increased cardiovascular response to stress during menstrual phase as compared to follicular phase.

show abstract

Sympathetic Neural Activity to the Cardiovascular System: Integrator of Systemic Physiology and Interindividual Characteristics

Charkoudian

Wallin

2014

Comprehensive Physiology

116

View full text Add to dashboard Cite

The sympathetic nervous system is a ubiquitous, integrating controller of myriad physiological functions. In the present article, we review the physiology of sympathetic neural control of cardiovascular function with a focus on integrative mechanisms in humans. Direct measurement of sympathetic neural activity (SNA) in humans can be accomplished using microneurography, most commonly performed in the peroneal (fibular) nerve. In humans, muscle SNA (MSNA) is composed of vasoconstrictor fibers; its best-recognized characteristic is its participation in transient, moment-to-moment control of arterial blood pressure via the arterial baroreflex. This property of MSNA contributes to its typical "bursting" pattern which is strongly linked to the cardiac cycle. Recent evidence suggests that sympathetic neural mechanisms and the baroreflex have important roles in the long term control of blood pressure as well. One of the striking characteristics of MSNA is its large interindividual variability. However, in young, normotensive humans, higher MSNA is not linked to higher blood pressure due to balancing influences of other cardiovascular variables. In men, an inverse relationship between MSNA and cardiac output is a major factor in this balance, whereas in women, beta-adrenergic vasodilation offsets the vasoconstrictor/pressor effects of higher MSNA. As people get older (and in people with hypertension) higher MSNA is more likely to be linked to higher blood pressure. Skin SNA (SSNA) can also be measured in humans, although interpretation of SSNA signals is complicated by multiple types of neurons involved (vasoconstrictor, vasodilator, sudomotor and pilomotor). In addition to blood pressure regulation, the sympathetic nervous system contributes to cardiovascular regulation during numerous other reflexes, including those involved in exercise, thermoregulation, chemoreflex regulation, and responses to mental stress.

show abstract

Interactive effects of mental and physical stress on cardiovascular control

Cited by 56 publications

References 35 publications

Changes of central haemodynamic parameters during mental stress and acute bouts of static and dynamic exercise

Changes of central haemodynamic parameters during mental stress and acute bouts of static and dynamic exercise

A comparative analysis of cardiovascular response to stress in menstrual and follicular phase in medical students

Sympathetic Neural Activity to the Cardiovascular System: Integrator of Systemic Physiology and Interindividual Characteristics

Contact Info

Product

Resources

About