[Effect of indomethacin and ibuprofen on blood pressure of patients treated with nifedipine or captopril].

Non-steroidal anti-inflammatory agents may moderately increase blood pressure thus affecting hypotensive agents effectiveness. This study aimed at evaluating arterial blood pressure, serum 6-keto-PGF1 and aldosterone as well as plasma renin activity in hypertensive patients treated with indomethacin or ibuprofen with captopril or indomethacin or ibuprofen with nifedipine. Captopril given at the same time as indomethacin or ibuprofen did not decrease both systolic and diastolic blood pressures. However, no interaction between nifedipine administered simultaneously with indomethacin or ibuprofen was noted. Serum 6-keto-PGF1 and aldosterone as well as plasma renin activity were decreased in both groups of treated patients. Mechanism of indomethacin and ibuprofen hypertensive action seems to se related with their ability to inhibit prostacyclin biosynthesis.

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