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Abstract
Triglycyl-lysine-vasopressin (TGLVP) has been shown to reduce blood loss in connection with early excision of experimentally induced burns in pigs. In order to determine an appropriate dosage of TGLVP in patients with bums, a dose-response study was undertaken. TGLVP was administered intravenously in various doses to healthy volunteers, and skin blood flow was measured with laser Doppler flowmetry, thermography and plethysmography. Blood pressure, heart rate and electrocardiac activity were monitored as well as serum and urine changes. The doses of 5, 10 and 20 ug TGLVP/kg b.wt. caused statistically significant reduction of skin blood flow; minimal values were 35, 26 and 25 % of predrug values for the three doses, respectively. Thermography and plethysmography were less sensitive for detecting effects of TGLVP than laser Doppler flowmetry. Minor effects on blood pressure and heart rate were recorded after TGLVP, but no disturbances in electrocardiac activity. Urinalyses revealed an antidiuretic action of TGLVP. The study supports earlier findings and suggests a dose level of TGLVP for the use in excision of burns.