Inverse Relationship Between Central Serotonergic Neurotransmission and Blood Pressure in Alcohol-dependent Male Subjects

Overview

Journal J Neural Transm (Vienna)

Specialties Neurology
Physiology

Date 2006 Feb 9

PMID 16465459

Citations 1

Authors

J Balldin

M Andersson

U Berggren

J Engel

M Eriksson

C Fahlke

Affiliations

Soon will be listed here.

Abstract

Data has accumulated indicating an inverse relation between central serotonergic (5-HT) neurotransmission and blood pressure in hypertensive rats and in healthy individuals. The present study aimed to elucidate whether an inverse relation exists between systolic (SBP) and diastolic (DBP) blood pressure levels and central 5-HT neurotransmission also in a group of alcohol-dependent individuals. Central 5-HT neurotransmission was assessed by using the maximum prolactin (PRL) responses to the 5-HT probe DL-fenfluramine (DL-FEN; 60 mg po) in 17 alcohol-dependent male subjects investigated during a period of on-going alcohol intake. BP was measured immediately before all time points for blood sampling, and readings before DL-FEN administration were used as the subjects resting BP. Results showed that there were inverse correlations between the maximum PRL responses to DL-FEN and the SBP levels (r = -0.57, p < 0.002) and with the DBP levels (r = -0.52, p < 0.05), respectively. The present study suggests the existence of an association between central 5-HT neurotransmission and blood pressure regulation also in alcohol-dependent individuals.

Citing Articles

Alcohol and its relationship to blood pressure.

Kodavali L, Townsend R Curr Hypertens Rep. 2006; 8(4):338-44.

PMID: 16884666 DOI: 10.1007/s11906-006-0074-z.

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