Key result
Healthy young males exhibited significantly higher basal systolic blood pressure (114.67 vs 102.39 mm/Hg, p<0.001) and higher systolic blood pressure during stressors compared to females, reflecting higher sympathetic activity.
Why the study?
Does male gender influence cardiac autonomic reactivity compared to female gender in healthy young adults?
Cross-Sectional (n=150)
No
Does male gender influence cardiac autonomic reactivity compared to female gender in healthy young adults?
Absolute Event Rate: 114.67% vs 102.39%
p-value: p=<0.001
Healthy young males exhibit higher sympathetic activity (reflected by higher systolic blood pressure responses to stressors) compared to females, while vagal activity appears similar between genders.
Gender differences in autonomic pressor responses should not change practice in healthy young adults; leaves open whether they predict later cardiovascular risk.
Our cardiovascular system is governed by autonomic nervous system. Since adults have lower cardiovascular risk, this study is aimed to find out gender differences in cardiac autonomic nervous activity by assessing various non-invasive tests like Lying to Standing test, Valsalva maneuver, sustained Hand grip test (HGT) and Cold pressor test (CPT). Study was done in healthy males and females ranging in age from 18 to 25 years. The mean basal systolic blood (SBP) pressure of males was significantly highly raised than females The mean SBP before and after HGT as well as CPT was higher for males than females and the difference was highly significant (P < 0.001). This study suggests, heart rate response to Standing and Heart rate changes during the Valsalva manoeuvre (Valsalva Ratio), denoting vagal activity, were not significantly different between males and females, whereas the SBP was more marked for males than females both before and after the stressors reflecting a higher sympathetic activity in males compared to females.
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Nadeema Rafiq (2018) conducted a cross-sectional in Healthy young adults (n=150). Male gender vs. Female gender was evaluated on Basal systolic blood pressure (p=<0.001). Healthy young males exhibited significantly higher basal systolic blood pressure (114.67 vs 102.39 mm/Hg, p<0.001) and higher systolic blood pressure during stressors compared to females, reflecting higher sympathetic activity.
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