mild microvascular ischemic diseasemild microvascular ischemiamild small vessel ischemic diseasemild chronic microangiopathic changesmild small vessel ischemic changechronic thrombocytopeniachronic idiopathic thrombocytopeniamild coronary atherosclerosismild sclerosismild hyperkalemia treatmentmild aortic atherosclerosischronic microangiopathic disease