Key result
Waterpipe smoking in adolescents was associated with significantly lower heart rate, diastolic blood pressure, mean arterial pressure, and rate pressure product compared to non-smokers (p<0.05).
Why the study?
Does waterpipe smoking alter cardiovascular hemodynamic indices in adolescents?
Cross-Sectional (n=397)
Does waterpipe smoking alter cardiovascular hemodynamic indices in adolescents?
p-value: p=<0.05
Waterpipe smoking in adolescents is associated with paradoxically lower heart rate and blood pressure compared to non-smokers, warranting further investigation into the underlying mechanisms.
Paradoxically lower hemodynamics in adolescent waterpipe smokers warrants clinical caution; leaves open mechanisms and long-term risks for prospective study.
Tobacco consumption contributes substantially to cardiovascular (CV) diseases, including hypertension. However, the effect of waterpipe (WP) smoking on CV hemodynamics in adolescents is unknown. Thus, the current study investigated the relationship of WP smoking with CV indices in 397 adolescents that included WP only smokers (n = 161) and non-smokers of any other tobacco product (n = 236). CV hemodynamic indices including heart rate (HR), systolic (SBP), and diastolic blood pressures (DBP), mean arterial blood pressure (MAP), pulse pressure (PP), and rate pressure product (RPP) were obtained and calculated for 7th–10th grade students in Irbid, Jordan. After controlling for possible confounding factors, HR, DBP, MAP, and RPP were significantly lower (p < 0.05) in adolescent WP smokers versus non-smokers. Additionally, stepwise regression analyses showed that smoking status can predict (p < 0.001) 5.7% of HR, 6.3% of DBP 7.4% of MAP, and 7.0% RPP. The results indicate that HR and blood pressure are lower in adolescent WP smokers versus non-smokers. Future studies are necessary to verify these findings and understand the mechanism of this effect.
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Alomari et al. (2017) conducted a cross-sectional in Cardiovascular hemodynamics (n=397). Waterpipe smoking vs. Non-smokers of any tobacco product was evaluated on Cardiovascular hemodynamic indices including HR, SBP, DBP, MAP, PP, and RPP (p=<0.05). Waterpipe smoking in adolescents was associated with significantly lower heart rate, diastolic blood pressure, mean arterial pressure, and rate pressure product compared to non-smokers (p<0.05).
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