Related Experiment Video

Updated: Aug 15, 2026

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension
05:57

The Antihypertensive Effects and Mechanisms of Huotan Jiedu Tongluo Decoction in Rats with H-Type Hypertension

Published on: May 17, 2024

Antihypertensive drugs and the heart

J A Diamond1, R A Phillips

  • 1Division of Cardiology, Long Island Jewish Hospital, New Hyde Park, NY, USA. jdiamond@lij.edu

Minerva Medica
|September 24, 2005
PubMed

Insights

Lowering blood pressure reduces cardiovascular events. Targeting left ventricular hypertrophy and diastolic dysfunction in hypertension may offer additional benefits beyond blood pressure reduction alone.

Area of Science:

  • Cardiology
  • Pharmacology
  • Internal Medicine

Background:

  • Antihypertensive therapy aims to reduce cardiovascular morbidity and mortality.
  • Chronic hypertension can lead to left ventricular hypertrophy (LVH) and diastolic dysfunction (CHF-D), increasing cardiovascular risk.
  • Regression of LVH with treatment is linked to improved diastolic function and reduced cardiovascular events.

Purpose of the Study:

  • To review current and emerging treatments for hypertensive heart disease.
  • To emphasize the dual goal of lowering arterial pressure and reversing cardiac structural and functional changes.
  • To explore therapies that address pathophysiologic processes promoting LVH and CHF-D.

Main Methods:

  • Review of current antihypertensive strategies.
  • Analysis of data linking LVH regression to cardiovascular outcomes.
  • Exploration of emerging therapeutic approaches targeting cardiac remodeling.
  • Discussion of combination therapies for comprehensive management.

Main Results:

  • Lowering arterial pressure reduces cardiovascular events.
  • Regression of left ventricular mass improves diastolic function and cardiovascular outcomes, potentially independent of blood pressure reduction.
  • Emerging therapies may reverse cardiac changes without directly lowering blood pressure.

Conclusions:

  • Antihypertensive therapy should aim to both lower blood pressure and reverse cardiac hypertrophy and dysfunction.
  • Future hypertension treatments may involve combination therapies targeting both pressure and maladaptive cardiac processes.
  • Addressing hypertensive heart disease requires a multifaceted approach beyond simple blood pressure control.

Related Concept Videos

Antihypertensive Drugs: Action of Diuretics01:16

Antihypertensive Drugs: Action of Diuretics

Diuretics are antihypertensive drugs used to treat hypertension resulting from sodium and water retention. Sodium, vital for fluid balance and nerve or muscle function, is regulated by the kidneys through millions of nephrons. Blood enters nephrons via afferent arterioles, which branch into capillaries called glomeruli. These filter blood plasma, allowing water and solutes, like sodium ions, to pass through capillary walls into Bowman's capsule. The filtrate then flows through various tubules...
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Antihypertensive Drugs: Action of β1 Blockers01:17

Antihypertensive Drugs: Action of β1 Blockers

β1-receptors are primarily located in the heart and kidneys. In cardiac myocytes, these receptors interact with neurotransmitters released by the sympathetic nervous system during heightened activity or danger. As a result, β1-receptors get activated, initiating a series of biochemical processes. Excessive activation of beta receptors due to chronic stress can abnormally increase heart rate and contractility, resulting in high blood pressure or hypertension. To counteract this, β1-blockers...
Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors01:30

Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors

Angiotensin-converting enzyme (ACE), a vital component of the renin-angiotensin-aldosterone system, is abundant in lung endothelial cells. ACE converts the inactive decapeptide, angiotensin I, into the active octapeptide, angiotensin II. This potent vasoconstrictor narrows blood vessels, increasing resistance to blood flow and elevating blood pressure. Angiotensin II also stimulates aldosterone production, encouraging kidney cells to reabsorb more sodium and water from urine, thereby increasing...
Antihypertensive Drugs: Vasodilators01:23

Antihypertensive Drugs: Vasodilators

Vasodilators, primarily affecting the smooth muscles within arterial and venous walls, are commonly used for hypertension treatment. Medications such as minoxidil and hydralazine primarily target arteries and arterioles, while sodium nitroprusside acts on arterioles and venules. Minoxidil, functioning as a prodrug, is metabolized by hepatic sulfotransferase into its active form, minoxidil sulfate, after oral administration. This metabolite binds to the sulfonylurea receptor (SUR) component of...
Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...