10 patients (5 females, 5 males, average age 50.2 +/- 5.8 years) with a therapy-resistant hypertension were for 10 days treated with injections of diazoxide and furosemide (hypertonalum and furesis). A significant decrease of the blood pressure as well as a decrease of sodium and potassium in the serum occurred, where as the electrolyte content of te 24-hour collection urine was influenced in homogeneously. The blood and plasma volume, respectively, was also significantly reduced. Heart rate and blood sugar significantly increased, urea-N, creatinine, hematocrit and hemoglobin did not increase significantly. The new regulation of the blood pressure to an oral antihypertensive permanent therapy continued 4 weeks to 6 months.
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