whereas for some authors it is a progressive disorder with an extremely poor vital prognosis requiring aggressive medical or surgical treatment , for others it runs a slow course with few symptoms , and has a relatively good prognosis , depending on the presence of four factors : arterial hypertension and its cardiovascular , renal , and cerebral complications , retinopathy , aortic incompetence , and aneurysmal lesions .
C0007226
cardiovascular
C0003504
aortic