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Z Kardiol. 1994 Sep;83(9):652-7.

[The behavior of central and peripheral hemodynamics in isometric and dynamic stress in hypertensive patients treatment with regular sauna therapy].

[Article in German]

Author information

1
Klinik und Poliklinik für Nuklearmedizin, Universitätsklinikum Charité, Medizinische Fakultät der Humboldt-Universität zu Berlin.

Abstract

Effective treatment of hypertension includes decrease of blood pressure at rest, dynamic and isometric exercise. Therefore, we investigated the hemodynamic changes by radiocardiography (central hemodynamic) and Xenon-133-muscle clearance (peripheral hemodynamic) before and after a sauna treatment during a period of 3 months. 46 hypertensive men (WHO I-II, aged 41 +/- 11 years) participated in the study. Systolic and diastolic blood pressure at rest and during dynamic exercise were decreased significantly (p < or = 0.01) by sauna therapy. Change of blood pressure at isometric exercise was not significant (from 157.5 +/- 16.5 mmHg to 155.0 +/- 15.4 mmHg). The changes of cardiac output and total peripheral resistance were also not significant. Half-time of muscle clearance decreased significantly (from 4.4 +/- 1.9 min to 3.2 +/- 1.2 min, p < or = 0.01) and functional cross-section A increased significantly (from 3.8 +/- 0.9 mm2.c to 4.4 +/- 0.9 mm2.c, p < or = 0.01) after the sauna therapy at dynamic exercise, but not at isometric exercise. These results show the changes between isometric and dynamic exercise, which can only be explained well by a study of peripheral hemodynamic. Contrary to dynamic exercise, sauna therapy did not significantly decrease blood pressure at isometric exercise.

PMID:
7801668
[Indexed for MEDLINE]

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