Desmopressin nasal spray is most useful in which of the following Von Willibrand Disease?: (A) Type 1 VWD, (B) Type 2A VWD, (C) Type 3 VWD, (D) Type I & Type III
Answer is A. It increases the release of VWF from endothelium. Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 972.