Martins L, Bravo-Faria D, Macedo F, Simoes L, Polonia J
Left ventricular hypertrophy (LVH) in normotensives with
exaggerated blood pressure response to exercise. Comparison
between men and women
11th Scientific Meeting, American Society of Hypertension
Am J Hypert
(Apr) 9:63A 1996
Left ventricular hypertrophy may amplify the normal blood pressure rise
associated with exercise. Investigators in this study compared men and
women who were either normotensive (60 men and 15 women) or
normotensive with exaggerated blood pressure associated with
exercise defined as a systolic > 210 for men or >190 for women (60 men
and 16 women). The rationale for definitions for each sex was not
provided. Subjects were of similar age range (34-61), weight, and
baseline blood pressure All had their left ventricular mass index (LVMI),
baseline, and maximal exercise blood pressures recorded. In men, LVMI
was higher in normotensives with exaggerated blood pressure response
and correlated well with maximal exercise BP. Women, on the other
hand, had higher LVMI in the exaggerated BP response group but the
correlation was with baseline rather than exercise BP.
Comment:
This study is
hampered by the technical variability in obtaining ultrasonographic
cardiac imaging for left ventricular hypertrophy and small sample size for
women. No comment regarding possible explanations for this observed
difference was offered. (Sri Narsipur, MD, SUNY-HSC at Syracuse, NY)
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11th Scientific Meeting, American Society of Hypertension
H: Non drug therapy :
Role of exercise
H: Pathophysiology :
Heart in hypertension