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"Sport Medicine Journal" No.10 - 2007
ORIGINAL PAPERS – abstract


Exercise training and vascular compliance

Mircea Iurciuc1, Claudiu Avram2, Stela Iurciuc1, Adina Avram1, Sorin Ursoniu1, Mihaela Oraviţan2, Silvia Mancaş1
1Departament of Ambulatory Medicine, „Victor Babeş” University of Medicine and Pharmacy Timişoara,
2University of West Timisoara., Physical Education and Sport Faculty

Abstract

New parameters which evaluate arterial stiffness can be assessed in ambulatory settings: pulse pressure (PP), ambulatory arterial stiffness index (AASI) and pulse wave velocity (PWV). Patients and methods: 103 patients, blood pressure (BP) values in the range: systolic blood pressure (SBP) =130-159mmHg and/or diastolic blood pressure (DBP)=85-99mmHg were included in a 3 month life style changing program. They were divided into 2 groups: group S included sedentary or untrained subjects (49p) and group T included trained individuals (54p). The group T were trained at a intensity between 70-80% reached at exercise test. Hemodynamic parameters: SBP, DBP and arterial stiffness parameters: PP, AASI, PWVc-r [52p] were evaluated initial and after 3 months. We observed in group S a reduction of: SBP from 145,6 to 142mmHg; PP from 52,1 to 50,3mmHg; AASI from 0,69 to 0,65 , PWVc-r from 10,1 to 9,7m/s. The lowering of these parameters was more important in the group T (trained): SBP from 145,6 to 137mmHg; PP from 52,1 to 47mmHg; AASI from 0,69 to 0,59; PWVc-r from 10,1 to 8,9m/s.. Changes were observed in regard with hemodynamic parameters: SBP, DBP in the patient s following a life style c hanging programme, but more significant in individuals who participated in exercise training . A greater lowering was observed after a 3 months of comprehensive cardiac rehabilitation programme in the values of arterial stiffness parameters: PP, AASI and PW Vc-r. Linear correlation s were observed between AASI and PP and also between AASI and PWVc -r.

Key words:

exercise training, arterial stiffness, endothelial vascular protection.



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