Course of blood pressure within the first 12 h of hypertensive urgencies.
OBJECTIVE: To evaluate the course of blood pressure within 12 h of a hypertensive urgency with or without oral antihypertensive treatment prior to discharge of patients from hospital. DESIGN: A prospective, double-blinded, placebo-controlled and randomized clinical trial. SETTING: Department of Emergency Medicine in a 2000-bed inner city hospital. PATIENTS: Forty patients successfully treated for a hypertensive urgency with intravenous administration of urapidil. INTERVENTIONS: We administered 60 mg urapidil orally or placebo prior to discharge of patients from hospital and evaluated the course of blood pressure within 12 h of the urgency by use of an ambulatory blood pressure measurement unit. MAIN OUTCOME MEASURES: Mean systolic and diastolic blood pressures within the first 12 h of a hypertensive urgency and the number of hypertensive and hypotensive episodes. RESULTS: Mean systolic and diastolic blood pressures were significantly lower in members of the urapidil group than they were in members of the placebo group (132 +/- 14 versus 147 +/- 18 mmHg, P = 0.003; 79 +/- 12 versus 87 +/- 14 mmHg, P = 0.047, respectively). The number of hypotensive episodes was similar for these two groups (three versus one, P = 0.32), whereas the number of hypertensive episodes was significantly lower for the urapidil group (13 versus 34, P = 0.001). CONCLUSIONS: Oral medication with urapidil prior to discharge results in lower overall blood pressure levels and reduces the risk of hypertensive episodes recurring within 12 h of a hypertensive urgency. Therefore, we recommend this therapeutic approach for patients with hypertensive urgencies, who are treated with an intravenous antihypertensive drug.[1]References
- Course of blood pressure within the first 12 h of hypertensive urgencies. Hirschl, M.M., Herkner, H., Bur, A., Woisetschläger, C., Gamper, G., Frossard, M., Laggner, A.N. J. Hypertens. (1998) [Pubmed]
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