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Published on: May 26, 2022
[Revival of antihypertensive therapy: use of thiazide diuretics]
1Semmelweis Egyetem, Altalános Orvostudományi Kar, II. Belgyógyászai Klinika, Budapest. nagyvik@bel2.sote.hu
Insights
Diuretics, particularly thiazides, are recommended as first-line hypertension treatment, especially for older patients or those at high cardiovascular risk. Newer diuretics with fewer side effects offer favorable long-term use.
Area of Science:
- Pharmacology
- Cardiology
- Nephrology
Context:
- Current hypertension guidelines recommend diuretics as first-line therapy.
- Concerns regarding side effects from over-dosage have historically influenced diuretic use.
- Thiazide diuretics demonstrate comparable efficacy to other antihypertensives in reducing cardiovascular events.
Purpose:
- To evaluate the role and efficacy of diuretics, specifically thiazides, in the primary treatment of hypertension.
- To address the historical underestimation of diuretic effectiveness due to side effect concerns.
- To highlight the benefits of thiazides in specific patient populations and their synergistic effects with other antihypertensives.
Summary:
- Thiazide diuretics are as effective as other antihypertensives in reducing cardiovascular morbidity and mortality.
- They are recommended as first-line treatment for hypertension, particularly in elderly patients or those with high cardiovascular risk (e.g., stroke, coronary heart disease, heart failure, left ventricular hypertrophy).
- Diuretics are essential for patients with sodium retention (diabetes, obesity, nephropathy) and enhance the effects of ACE-inhibitors, angiotensin receptor blockers, and beta-blockers.
Impact:
- Recommends thiazides as a first-line antihypertensive treatment, especially for high-risk individuals.
- Emphasizes the importance of diuretics in managing hypertension, particularly in patients with comorbidities like diabetes and obesity.
- Suggests newer diuretics with fewer side effects and extrarenal mechanisms of action are favorable for long-term use.
Abstract:
In the international and the Hungarian guidelines, the diuretics in the first line of the treatment of hypertension. Their sometimes false judgment is based on the side effects, because of the over dosage of the applied medication. According to finished studies, efficiency of thiazides is usually the same as that of their competitors in influencing of the cardiovascular morbidity and mortality. Thiazides have to be given in the first line an antihypertensive treatment to the patients, especially if they are old, or have a great risk for a cardiovascular complication (stroke, coronary heart disease, heart failure, left ventricular hypertrophy). In the case of natrium-retention (diabetes, obesity, nephropathy), the treatment without diuretics is not effective. Thiazides make stronger the effects especially of ACE-inhibitors, angiotensin receptor blockers, and beta receptor blockers. The newer diuretics--with fewer side effects--have very likely extrarenal way of effects, so their long time application seems very favourable.
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