摘要: Hematologic disorders in the elderly population have become an increasing problem as general ages. In elderly, anemia is associated with increased morbidity and mortality. The etiology of may be nutritional deficiencies, renal insufficiency, hormone bone marrow dysfunction. Thrombocytopenia patient a variety clinical including myelodysplasia failure syndromes, medications, immune disorders. Platelet dysfunction common due to use anti-platelet well such myelodysplasia. While coagulation parameters do not change bleeding complications problems are elderly. Liver failure, anti-coagulants, acquired factor inhibitors put patients at risk for bleeding. Thrombosis venous thromboembolism increase age but also enhanced by factors surgery, sepsis, hip fractures, cancer, immobility. this chapter we will review epidemiology, causes, consequences population. We discuss platelet disorders, thrombotic unique