Prevention of postoperative deep vein thrombosis by one daily injection of low molecular weight heparin and dihydroergotamine.


201 patients aged over 40 years undergoing abdominal surgery were divided randomly into two groups. Each patient received two subcutaneous injections daily: the first group received a morning injection of 1500 aPTT U of low molecular weight heparin combined with 0.5 mg dihydroergotamine (LMH/DHE) and an evening injection of placebo; the second group… (More)