the most frequent observed complications were : pericarditis and or pericardial effusion ( 39 % ) , arterial hypertension ( 22 % ) , ischemic heart disease ( 16 % ) , myocarditis ( 14 % ) , congestive heart failure ( 10 % ) , pulmonary hypertension ( 9 % ) , valvular heart disease ( 9 % ) , pleural effusion ( 7 % ) and cerebro vascular accident ( 3 % ) .
C0020538
arterial hypertension
C0020542
pulmonary hypertension