Thrombocytosis after prophylactic administration of enoxaparin: unexpected findings in a Polish prospective multicenter trial on the efficacy and safety of enoxaparin in the prevention of postoperative thromboembolism.

Background: Heparin-related thrombocytopenia is a common complication of heparin administration and therefore platelet count was monitored in our study.

Experimental Design: Prospective multicentre study.

Setting: 14 Departments of General, Thoracic or OrthopaedicSurgery, Poland.