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Nitrendipine in patients with end-stage renal disease and hypertension
R Bambauer1, G A Jutzler, U Weber
1Abteilung für Dialyse und Nephrologie, Med. Univ. Klinik und Poliklinik, Homburg/Saar, F.R.G.
Insights
Nitrendipine effectively controls blood pressure in dialysis patients with renal hypertension. This calcium channel blocker was well-tolerated, showing no adverse effects during the 6-month study.
Area of Science:
- Cardiovascular Pharmacology
- Nephrology
- Hypertension Management
Background:
- Calcium antagonists lower blood pressure by reducing calcium uptake in vascular cells, leading to vasodilation.
- Nitrendipine, a calcium antagonist, improves cardiac output and organ perfusion.
- Renal hypertension and end-stage renal disease present unique challenges for blood pressure management.
Purpose of the Study:
- To evaluate the efficacy and tolerability of nitrendipine in patients with renal hypertension requiring dialysis.
- To assess the impact of nitrendipine on blood pressure control in this specific patient population.
Main Methods:
- A 6-month study involving 10 patients with renal hypertension and end-stage renal disease on dialysis.
- Administration of nitrendipine, alone or in combination with other antihypertensive drugs.
- Monitoring of blood pressure control and assessment of side effects.
Main Results:
- Adequate blood pressure control was achieved in all patients.
- Nitrendipine was effective even at low doses when combined with other antihypertensives.
- Nitrendipine demonstrated excellent tolerability with no observed side effects.
Conclusions:
- Nitrendipine is an effective and safe antihypertensive agent for patients with renal hypertension on dialysis.
- The drug contributes to improved blood pressure management without significant hormonal side effects.
- Nitrendipine offers a well-tolerated therapeutic option for a challenging patient group.
Abstract:
Calcium antagonists reduce the calcium uptake in vascular cells. The reduction of intracellular calcium leads to vasodilatation and lowering of the blood pressure. The cardiac output is increased, for example, by nitrendipine and related agents, so that the supply of blood to essential organs is improved. Despite the blood pressure decrease, the plasma renin activity increases only slightly and the plasma aldosterone concentration not at all after administration of nitrendipine. The effects of nitrendipine were examined in a study carried out over a period of 6 months on 10 patients suffering from renal hypertension and end-stage renal disease requiring compulsory dialysis. In all patients, adequate blood pressure control was achieved with, in some cases, low doses of nitrendipine combined with other antihypertensive medication. Nitrendipine was very well tolerated, and no side effects were observed.