Blood pressure and spyroergometry parameter dynamics in young hypertensive males undergoing treadmill test

Abstract

The article is devoted to actual problem of increasing arterial hypertension (AH) incidence in young persons. Blood pressure (BP) and spyroergometry parameter dynamics was studied in young AH males during treadmill test. In total, 78 males aged 18-30 (mean age 20,4 ± 3,9 years) were examined. According to WHO/ISH criteria (1999), essential AH was diagnosed in 42 individuals: Stage I (n=35) or Stage II (n=7). The control group consisted of 38 healthy males. All participants underwent treadmill test, by R. Bruce protocol, with gradually increasing workload until submaximal heart rate (HR) achievement. During the test, ECG, BP and exhaled air gas composition measurement were performed. There was no significant difference in systolic or diastolic BP response to dosed physical stress among AH patients or healthy persons, in spite of substantially higher baseline and test BP levels in AH group. Hypertensive individuals demonstrated significant increase in oxygen pulse, breathing coefficient, maximal CO2 exhalation pulse, and earlier anaerobic threshold achievement time.

Keywords

• arterial hypertension
• treadmill test
• spyrometry
• gas analysis