Heparin-Induced Thrombocytopenia

To the Editor: The article on temporal aspects of heparin-induced thrombocytopenia (April 26 issue)¹ lacks some information that would be helpful. In particular, there is no mention of the type of heparin used in the initial treatment. In addition, the authors do not note how many patients, when treated again, were treated with the same or a different preparation of heparin.It has been stated that the incidence of heparin-induced thrombocytopenia is lower in patients treated with low-molecular-weight heparin than in those treated with formulations of unfractionated heparin. It has also been stated that patients who have heparin-induced thrombocytopenia when . . .