Effect of Prostaglandin E1 Analogue Administration on Peripheral Skin Temperature at High Altitude

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Abstract
The effect of prostaglandin E1 analogue on peripheral skin temperature was examined at high altitude, where local cold injuries are common owing to severe environmental condi tions. The peripheral skin temperature at rest was significantly lower at higher altitudes. Oral administration of the prostaglandin E1 analogue limaprost reversed this temperature decrease, probably by enhancement of peripheral circulation. The temperature recovery rate after a cold water challenge was also improved after the administration of limaprost. This oral type of prostaglandin E 1 analogue is strongly recommended as an effective prophylactic and therapeutic vasodilator for local cold injuries at high altitudes.