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Changes in left ventricular mass during treatment with minoxidil and cilazapril in hypertensive patients with left ventricular hypertrophy


Attainment of the regression of hypertension-associated left ventricular hypertrophy (LVH) seems to be a desirable goal of blood pressure (BP)-reducing therapy. Since antihypertensive drugs of differing types may exhibit markedly different abilities to modulate LVH, we examined the effects of the angiotensin-converting enzyme inhibitor cilazapril, and the potassium channel activator minoxidil, alone or in combination with each other, on the left ventricular mass (LVM) in patients with severe essential hypertension who had LVH detected by echocardiography. All patients received the same base therapy of bopindolol and guanfacine. After a run-in period, they were treated with: (1) cilazapril (n = 10); (2) minoxidil, combined with a diuretic (n = 10); or (3) both cilazapril and monoxidil (n = 6) for 12 months. The LVM index (LVMI; LVM per body surface area) was estimated every 3 months by means of echocardiography. Each kind of therapy decreased the arterial pressures to a similar degree. The 1-year treatment with the cilazapril-based regimen resulted in a significantly diminished LVMI (from a mean ± s.d. of 173 ± 38 to 152 ± 22 g/m2; P < 0.05). on the other hand, the minoxidil-based therapy led to a significant increase in lvmi (from 148 ± 19 to 170 ± 35 g/m2; P < 0.05). there were no significant lvmi changes in patients receiving the combined, cilazapril + minoxidil-based treatment (172 ± 34 vs the pretreatment 183 ± 54 g/m2). The results confirm that long-term treatment with cilazapril is effective both in reducing BP and in reducing LVM. In spite of yielding a satisfactory reduction of BP, minoxidil therapy, even in combination with a diuretic and a β -blocker, may lead to an aggravation of pre-existing LVH; this effect of minoxidil could be prevented by the simultaneous administration of cilazapril.

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Pogátsa-Murray, G., Varga, L., Varga, A. et al. Changes in left ventricular mass during treatment with minoxidil and cilazapril in hypertensive patients with left ventricular hypertrophy. J Hum Hypertens 11, 149–156 (1997).

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  • left ventricular hypertrophy
  • angiotensin-converting enzyme inhibitor
  • cilazapril
  • minoxidil
  • vasodilator

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