1, malignant tumor, acute myocardial infarction, apoplexy sequelae, major organ transplantation or hematopoietic stem cell transplantation, coronary artery bypass grafting (or coronary artery bypass grafting), end-stage renal disease (or uremia stage of chronic renal failure), multiple limb loss, acute or subacute severe hepatitis, benign brain tumor, and decompensated stage of chronic liver failure.
2, encephalitis sequela or meningitis sequelae, deep coma, deafness in both ears, blindness, paralysis, heart valve surgery, severe Alzheimer's disease, severe craniocerebral injury, severe Parkinson's disease, severe third-degree burns, severe primary pulmonary hypertension, severe motor neuron disease, language loss, severe aplastic anemia.
3, aortic surgery, end-stage lung disease, severe multiple sclerosis, severe coronary heart disease, primary cardiomyopathy, systemic lupus erythematosus.