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1. Acute effect of hydrochlorothiazide on renal calcium and magnesium handling in postmenopausal women

Creator:
Štefíková, K., Viera Spustová, and Rastislav Dzúrik
Format:
print, bez média, and svazek
Type:
article, články, model:article, and TEXT
Subject:
Fyziologie člověka a srovnávací fyziologie, fyziologie, physiology, calcium excretion, magnesium excretion, phosphate excretion, hydrochlorothiazide, intrinsic cellular control, 14, and 612
Language:
English
Description:
K. Štefíková, V. Spustová, R. Dzúrik. and Obsahuje bibliografii
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

2. Chronic and acute effects of different antihypertensive drugs on femoral artery relaxation of L_NAME hypertensive rats

Creator:
Sládková, M., Kojšová, S., Lýdia Jendeková, and Oľga Pecháňová
Format:
print, bez média, and svazek
Type:
article, články, model:article, and TEXT
Subject:
Fyziologie člověka a srovnávací fyziologie, hypertenze, hypertension, L_NAME-induced hypertension, indapamide, hydrochlorothiazide, captopril, femoral artery, vasorelaxation, 14, and 612
Language:
English
Description:
We aimed to compare the effects of chronic and acute administration of structurally different antihypertensives, diuretics - indapamide and hydrochlorothiazide, ACE inhibitor - captopril and indapamide+captopril combination on endothelium-dependent relaxation of femoral artery isolated from nitric oxide (NO)-deficient rats. In the chronic experiment, femoral artery was isolated from Wistar rats receiving L-NAME (40 mg/kg/day) solely or with indapamide (1 mg/kg/day), hydrochlorothiazide (10 mg/kg/day), captopril (10 mg/kg/day), and indapamide+captopril combination for seven weeks. In the acute in vitro experiment, the incubation medium with femoral artery isolated from L-NAMEhypertensive rats was supplemented with investigated antihypertensives in the same concentration 10-4 mol/l. Interestingly, chronic L-NAME treatment did not cause a reduction of vasorelaxation. Indapamide+captopril elevated relaxation above the control level and completely prevented blood pressure increase induced by L-NAME. Acute incubation with captopril only or indapamide+captopril improved relaxation of femoral artery isolated from L-NAMEhypertensive rats, while the incubation with all antihypertensives increased vasorelaxation of femoral artery isolated from control Wistar rats. In conclusion, NO might be involved in the indapamide- and hydrochlorothiazide-induced improvement of vasorelaxation, while different vasorelaxing factors (prostacyclin, EDHF) contribute to the captoprilinduced improvement of vasorelaxation. During the chronic treatment additive and synergic effects of indapamide and captopril may contribute to the prevention of hypertension and increase of vasorelaxation., M. Sládková, S. Kojšová, L. Jendeková, O. Pecháňová., and Obsahuje bibliografii
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public