Advantage of intraarterial over intravenous vasopressin infusion in gastrointestinal hemorrhage

Recent laboratory data have suggested equivalent therapeutic value of selective intraarterial or peripheral intravenous infusions of vasopressin in the control of gastrointestinal bleeding. However, recent experience in two clinical cases continues to support a therapeutic advantage of the selective intraarterial route and casts doubt on the applicability of the laboratory results to man. Until further data is accumulated, it is premature to discard the presumed therapeutic advantage of the selective intraarterial infusion of vasopressin.
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