ACE and autosomal dominant polycystic kidney disease: ADPKD patients ́ antihypertensive treatment before this present study were: angiotensin II-receptor blockers (n = 7), ACE-inhibitors (n = 7), calcium-antagonists (n = 6), loop diuretics (n = 2), thiazides (n = 4), beta-adrenergic blockers (n = 4), alfa-blockers (n = 1) and potassium-sparing diuretics (n = 1).