1 Select the Triggers tab, and then select New. 2  Set your time and frequency, and then select OK. 3  Open Windows Defender by clicking the Start button. In the search box, type Defender and then, in the list of results, click Windows Defender.  Click Tools, and then click Options.
â Platelet refractoriness is the inability to get an adequate increase in platelet count after transfusion (Arch Pathol Lab Med 2003;127:409, Haematologica 2005;90:247) â Immune causes: anti-platelet or anti-HLA antibodies after multiple exposures from transfusion, pregnancy or transplantation (Transfusion 2005;45:761)
Management of patients refractory to platelet transfusion. C A Schiffer. Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI, USA. Correspondence to: C A Schiffer, Division of Hematology/Oncology, Karmanos Cancer Institute, Harper Hospital, 3990 John R, 5-Hudson, Detroit, MI 48201, USA. Refractoriness to infused platelets becomes a major clinical problem for many patients with acute myeloid leukemia (AML).