TY - CHAP M1 - Book, Section TI - Hypereosinophilic Syndrome (HES) A1 - Bissonnette, Bruno A1 - Luginbuehl, Igor A1 - Engelhardt, Thomas Y1 - 2019 N1 - T2 - Syndromes: Rapid Recognition and Perioperative Implications, 2e AB - HES is a myeloproliferative disorder characterized by the simultaneous existence of (1) eosinophil count greater than 1500/mm3 for more than 6 months, (2) absence of any known cause of eosinophilia, and (3) with involvement of the heart, nervous system, and bone marrow (benign eosinophilia is excluded). Patients without symptoms of chronic heart failure and responding well to prednisone have a good prognosis. However, the mortality rate rises in patients with anemia. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/10/10 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1164073277 ER -