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Radmila R. Zivkovic, Ljiljana D. Suric-Lambic, Milos R. Vasiljevic, Zivomir N. Zivkovic, P-454: Pulse pressure and rate-pressure product during rehabilitation at low altitude in hypertensive patients after myocardial infarction, American Journal of Hypertension, Volume 14, Issue S1, April 2001, Page 183A, https://doi.org/10.1016/S0895-7061(01)01626-0
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Abstract
The aim of our study was to evaluate the effect of rehabilitaiton on pulse pressure (PP) and rate-pressure product (RPP) in patients with survival myocardial infarction and mild arterial hypertension on the mountain Zlatar (1230 M). A sample of 25 patients, 50,77 ± 11 years old with average blood pressure 150/94 mmHg who survived acute myocardial infarction (anteroseptal 14 and diaphragmal 11) in Zrenjanin (97 M above sea level) 6 months before rehabilitation enrolled in the study. Submaximal cycle exercise testing performed before (I-ET) and after (II-ET) a three week rehabilitation programme (walking, bicycle training and aerobic exercise). PP, RPP and exercise testing time (ETT) obtained before and after rehabilitation. Results have been tested by Student T test. (See Table)
PP . | . | . | . | . | . | . |
---|---|---|---|---|---|---|
0W | 25W | 50W | 75W | 100W | 125W | |
I-ET | 56 | 61 | 74 | 77 | 78 | 77 |
II-ET | 52 | 66 | 73 | 85 | 91* | 90* |
RPP | ||||||
0W | 25W | 50W | 75W | 100W | 125W | |
I-ET | 12.8 | 18.7 | 22.1 | 25.0 | 26.5 | 28.8 |
II-ET | 11.7 | 16.6* | 20.4 | 23.5 | 25.8 | 27.1 |
PP . | . | . | . | . | . | . |
---|---|---|---|---|---|---|
0W | 25W | 50W | 75W | 100W | 125W | |
I-ET | 56 | 61 | 74 | 77 | 78 | 77 |
II-ET | 52 | 66 | 73 | 85 | 91* | 90* |
RPP | ||||||
0W | 25W | 50W | 75W | 100W | 125W | |
I-ET | 12.8 | 18.7 | 22.1 | 25.0 | 26.5 | 28.8 |
II-ET | 11.7 | 16.6* | 20.4 | 23.5 | 25.8 | 27.1 |
p<0.01
PP . | . | . | . | . | . | . |
---|---|---|---|---|---|---|
0W | 25W | 50W | 75W | 100W | 125W | |
I-ET | 56 | 61 | 74 | 77 | 78 | 77 |
II-ET | 52 | 66 | 73 | 85 | 91* | 90* |
RPP | ||||||
0W | 25W | 50W | 75W | 100W | 125W | |
I-ET | 12.8 | 18.7 | 22.1 | 25.0 | 26.5 | 28.8 |
II-ET | 11.7 | 16.6* | 20.4 | 23.5 | 25.8 | 27.1 |
PP . | . | . | . | . | . | . |
---|---|---|---|---|---|---|
0W | 25W | 50W | 75W | 100W | 125W | |
I-ET | 56 | 61 | 74 | 77 | 78 | 77 |
II-ET | 52 | 66 | 73 | 85 | 91* | 90* |
RPP | ||||||
0W | 25W | 50W | 75W | 100W | 125W | |
I-ET | 12.8 | 18.7 | 22.1 | 25.0 | 26.5 | 28.8 |
II-ET | 11.7 | 16.6* | 20.4 | 23.5 | 25.8 | 27.1 |
p<0.01
ETT before rehabilitation was 9min., and after 10.36min. (ns.). Eleven patients achived higher exercise level on II-ET.
We concluded that rehabilitation programme in hypertensive patients after myocardial infarction at low altitude caused: 1. decrease in RPP at rest and during submaximal exercise testing 2. decrease in PP at rest and PP elevation during submaximal exercise testing 3. an improvement of exercise capacity expressed by prolonged exercise time PP elevation during submaximal ET suggested better control in hypertensive patients after myocardial infarction.