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Antihypertensive Drugs: Vasodilators01:23

Antihypertensive Drugs: Vasodilators

Vasodilators, primarily affecting the smooth muscles within arterial and venous walls, are commonly used for hypertension treatment. Medications such as minoxidil and hydralazine primarily target arteries and arterioles, while sodium nitroprusside acts on arterioles and venules. Minoxidil, functioning as a prodrug, is metabolized by hepatic sulfotransferase into its active form, minoxidil sulfate, after oral administration. This metabolite binds to the sulfonylurea receptor (SUR) component of...
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Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants

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Related Experiment Video

Updated: Jul 9, 2026

TAPE: A Biodegradable Hemostatic Glue Inspired by a Ubiquitous Compound in Plants for Surgical Application
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Desmopressin: a nontransfusional hemostatic agent.

P M Mannucci1

  • 1A. Bianchi Bonomi Hemophilia and Thrombosis Center, Milano, Italy.

Annual Review of Medicine
|January 1, 1990
PubMed
Summary

Desmopressin (DDAVP) effectively treats bleeding disorders by increasing clotting factors and reducing bleeding time. This synthetic hormone serves as a valuable non-transfusional hemostatic agent in various clinical settings.

Area of Science:

  • Pharmacology
  • Hematology
  • Internal Medicine

Background:

  • Desmopressin (DDAVP) is a synthetic analogue of L-arginine vasopressin.
  • It influences hemostasis by affecting clotting factor levels and bleeding times.

Purpose of the Study:

  • To evaluate the efficacy of desmopressin (DDAVP) as a non-transfusional hemostatic agent.
  • To explore DDAVP's utility in various bleeding disorders and surgical contexts.

Main Methods:

  • The study reviews the known effects and clinical applications of desmopressin (DDAVP).
  • Analysis of existing evidence on DDAVP's impact on Factor VIII, von Willebrand's factor, and bleeding times.

Main Results:

  • DDAVP increases circulating levels of Factor VIII and von Willebrand's factor.

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  • It shortens prolonged skin bleeding time in patients with uremia, liver cirrhosis, and platelet dysfunction.
  • DDAVP reduces blood loss and transfusion needs in major surgeries.
  • Conclusions:

    • Desmopressin (DDAVP) is a versatile, non-transfusional hemostatic agent.
    • It is effective in managing mild to moderate hemophilia and von Willebrand's disease.
    • DDAVP offers significant benefits in preventing and controlling bleeding across diverse clinical conditions.