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[A comparison of the effect of oral captopril and nicardipine in hypertensive crisis]

Author(s): Addad F, Ferjani H, Chaabani A, Jelliti M, Gamra H, Makni H, Khaldoun BH, Dridi Z, Ben Farhat M

Affiliation(s): Service de cardiologie, CHU Fattouma Bourguiba, Monastir, Tunisie.

Publication date & source: 2008-02, Tunis Med., 86(2):150-4.

Publication type: English Abstract; Randomized Controlled Trial

BACKGROUND: Hypertensive crisis is defined as a severe elevation in blood pressure (BP) without target organ injury. There are few data about the efficacy and safety of comparative oral antihypertensive drugs. AIM: To compare the efficacy and safety of oral captopril (25 mg) and nicardipine (20 mg) in hypertensive crisis. METHODS: This prospective, randomized study included 50 patients attended at the emergency department with a hypertensive crisis (arterial blood pressure of at least 180/110 mmHg without target organ damage confirmed after 15 min of rest. Systolic (SBP) and diastolic blood pressure (DBP) and heart rate (HR) were assessed at several intervals during 4 h after the drug administration. Therapeutic success was defined by a SBP< or =160 and DBP< or =90 mmHg two hours after drug administration. The initial clinical characteristics as age, sex, initial systolic and diastolic BP and HR were no different in the two groups. RESULTS: BP levels started to significantly decrease within 15 minutes. At 2 hours, SBP and DBP dropped were similar in captopril group and nicardipine group,respectively to 162/94 vs 161/89 mmHg; p=ns. The therapeutic success at the second hour has been obtained in 68% of cases in the two groups. Age >70 years was a predictor's factor of therapeutic failure in the captopril group. Heart rate significantly dropped after 30 min in the captopril group (82.3 +/- 11.8 vs 77.6 +/- 12.7 c/min; p=0.037). This effect was maintained over four hours. There were no side effects in this study. CONCLUSION: Oral captopril or nicardipine are efficacy and safe in the treatment of hypertensive crisis.

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