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Psychopharmacology (Berl). 2005 Nov;182(3):321-6. Epub 2005 Oct 19.

Effects of paroxetine on cardiovascular response to mental stress in subjects with a history of coronary artery disease and no psychiatric diagnoses.

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  • 1Psych Support Inc., Raleigh, NC, USA. mlionson428@yahoo.com

Abstract

RATIONALE:

Paroxetine may decrease mental stress-induced cardiovascular responses and so benefit individuals with heart disease, even those with no psychiatric illness.

OBJECTIVES:

The effects of paroxetine on cardiovascular measures during a speech task were evaluated in psychiatrically healthy subjects with a history of coronary artery disease (CAD).

METHODS:

Eight subjects completed this double-blind, placebo-controlled, cross-over study in which each subject took 1 month of paroxetine and 4 weeks of placebo in random order. While on each study, medication, blood pressure, heart rate, and plasma norepinephrine concentrations were measured during a period of relaxation and during a mental stressor. The mental stressor consisted of thinking about a stressful topic, speaking about the topic, and listening to a tape-recorded replay of the speech.

RESULTS:

While on paroxetine, systolic blood pressure and diastolic blood pressure were 10-15% lower (p < 0.005) during the stressor, relative to measures obtained while on placebo. Pulse and plasma norepinephrine concentrations during stress trended lower during paroxetine treatment but did not reach statistical significance.

CONCLUSION:

Paroxetine has antihypertensive properties during periods of psychological stress in psychiatrically healthy subjects with a history of CAD, and so should be evaluated for potential cardio-protective qualities.

PMID:
16001113
[PubMed - indexed for MEDLINE]
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