Arterial hypertension due to occlusion of the adrenal vein in the rat is strain-dependent.

Abstract:

OBJECTIVE:To determine whether the development of arterial hypertension due to occlusion of the central adrenal vein in the rat is strain-dependent DESIGN AND METHODS:The experiments were performed on male rats weighing 300-400 g each, of the following strains: Wistar outbred, Wistar Glaxo, Lewis, Wistar-Kyoto (WKY) rats bred for high blood pressure (138 +/- 13.2 mmHg), WKY rats bred without the control of blood pressure (118 +/- 12.9 mmHg) and borderline hypertensive rats (BHR). BHR were the F1 spontaneously hypertensive rat and WKY rat crossbred rats. In order to increase blood flow through the adrenal-renal portal circulation, both central adrenal veins of rats in the experimental group were occluded. The systolic blood pressure was measured indirectly by a photoelectric method. RESULTS:By the ninth day after surgery systolic blood pressure had increased significantly only in the WKY rats bred for high blood pressure and BHR, reaching maximal values on 12th day for WKY rats bred for high blood pressure (167 +/- 5 mmHg) and on the 18th day for BHR (170 +/- 14 mmHg). CONCLUSIONS:These data show that the development of arterial hypertension due to augmentation of adrenal blood flow through adrenal-renal portal circulation occurs in rats of strains with a genetic background of hypertension.

journal_name

J Hypertens

journal_title

Journal of hypertension

authors

Abramczyk P,Lisiecka A,Papierski K,Ziecina R,Przybylski J

doi

10.1097/00004872-199816090-00004

subject

Has Abstract

pub_date

1998-09-01 00:00:00

pages

1249-51

issue

9

eissn

0263-6352

issn

1473-5598

journal_volume

16

pub_type

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