The role of ACE inhibitors in the treatment of hypertensive elderly patients.

Hypertension has a high prevalence among elderly patients. Randomised trials have already demonstrated that treating healthy older persons with hypertension is highly efficacious. Nevertheless some questions have arisen. On the one hand the generalizability of these trial results, particularly for older persons with serious medical comorbidities and poor functional status, is not clear. On the other hand different antihypertensive drugs have shown to be effective. Which drug for which patient? Even data from randomised intervention trials showing that the treatment affects cardiovascular morbidity and mortality, were missing, ACE inhibitors have been used for more than a decade to treat high blood pressure. For a younger population the captopril prevention project showed no differences between ACE inhibitors and conventional antihypertensive treatment (diuretics, beta-blocker) concerning the primary endpoints (myocardial infarction, stroke and other cardiovascular death). The STOP-2 study also confirmed these results for elderly patients. When treating elderly patients one must be aware of physiological changes with age and the comorbidities. Of significance among this patient group is declining renal function. Admissions for uraemia that are related to the use of ACE inhibitors are still commonplace, although many cases are preventable by monitoring renal function, but guidelines are still missing. Concerning the comorbidities ACE inhibitors have benefits compared to other antihypertensive drugs, especially in cases of heart failure, diabetes and coronary heart disease.