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Panminerva Medica 2008 September;50(3):207-16


lingua: Inglese

ACE inhibitor-based treatment and antihypertensive effects in patients with type 2 diabetes

Jarmuzewska E. A. 1, Rocchi R. 1, Guidoni A. 1, Mangoni A. A. 2

1 Department of Internal Medicine Policlinico IRCCS, Ospedale Maggiore University of Milan, Milan, Italy 2 Department of Clinical Pharmacology, Flinders University Adelaide, Australia


Aim. The presence of hypertension significantly increases cardiovascular risk in diabetic patients. Different classes of antihypertensive drugs, by targeting different pathophysiological mechanisms and therapeutic targets, might provide different antihypertensive effects. The authors speculated that drugs specifically targeting the renin-angiotensin-aldosterone system provide better antihypertensive control than other therapeutic agents.
Methods. Fifty consecutive type 2 diabetic patients with hypertension (M:F 29:21) were followed for 3-9 yrs. Antihypertensive treatment was stable for the last 12 months and included angiotensin convertying enzyme (ACE) inhibitors (ACEI) alone in 8 patients (group IA), ACEI combined with other drugs in 11 patients (group IB) and non-ACEI treatment in 31 patients (group II), 23 of whom were treated with Ca-channel blockers and 8 were treated with beta-blockers alone or with diuretics. During the last month of the study a 3-7 days antihypertensive drugs wash-out was performed. Measurements were performed in sitting position in the same ambulatory conditions, in supine position after 20min of absolute rest, and in motionless standing station after quickly rising up from sitting rest.
Results. Groups IA, IB, and II had similar blood pressure values during antihypertensive therapy within the last year. However, blood pressure values after antihypertensive drug wash-out were significantly higher in groups IA and IB vs. group II (SBP and DBP resting sitting position, P=0.039 and P=0.014 respectively; SBP and DBP in standing position, P=0.001 and P=0.016, respectively).
Conclusion. These data show that the underlying condition in terms of pathophysiologic mechanisms is more severe in groups IA and IB, including a greater increase of peripheral resistance. Thus we may conclude that the antihypertensive effect of ACEI is greater than other classes of antihypertensive drugs.

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