Converting enzyme inhibition in hypertensive emergencies.
The diagnostic and therapeutic value of the angiotensin converting enzyme inhibitor teprotide (SQ 20881) was assessed in 18 patients with hypertensive emergencies. Mean blood pressure fell 31 +/- 18 mm Hg in the 10 subjects who responded to 1 mg/kg body weight administered intravenously, whereas it fell 5 +/- 3 mm Hg in the eight nonresponders. In patients who had received no previous drug treatment, log baseline plasma renin activity and change in mean blood pressure after SQ 20881 correlated significantly (r = 0.651, P less than 0.05). After acute therapy with SQ 20881, the patients who had a satisfactory response to the drug were treated with propranolol and a relatively normal sodium intake (88 meq/day). Nonresponders were treated with diuretics and sodium restriction (10 meq/day), and intermediate responders were given combination therapy. Mean blood pressure responded favorably within 24 h to the chosen regimen for each group from 152 +/- 47 to 102 +/- 31 mm Hg. SQ 20881 allows prompt evaluation of the role of renin in hypertensive emergencies and permits early choice of appropriate therapy based on the prevailing mechanism.[1]References
- Converting enzyme inhibition in hypertensive emergencies. Tifft, C.P., Gavras, H., Kershaw, G.R., Gavras, I., Brunner, H.R., Liang, C.S., Chobanian, A.V. Ann. Intern. Med. (1979) [Pubmed]
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