[Achievements and problems of modern trials of antihypertensive drugs]

Kardiologiia
|June 2, 2011
PubMed

Insights

Lowering high arterial pressure (AP) improves outcomes in hypertension (AH). This review explores drug properties beyond AP reduction that impact prognosis, considering cardiovascular risk context.

Area of Science:

  • Cardiology and Clinical Pharmacology
  • Hypertension Management

Context:

  • Landmark randomized clinical trials (RCTs) in the 1960s-1980s established the benefits of lowering elevated arterial pressure (AP) in patients with arterial hypertension (AH), primarily using diuretics and beta-blockers.
  • Subsequent comparative RCTs demonstrated that the five main classes of antihypertensive agents exhibit similar efficacy in reducing AP levels in the brachial artery.

Purpose:

  • To review the value of auxiliary, class-specific properties of antihypertensive agents that may influence patient prognosis independently of AP reduction.
  • To discuss challenges in hypertension management, including the decreasing emphasis on quantitative AP targets and the integration of AP within a broader cardiovascular risk assessment.

Summary:

  • This review examines the prognostic significance of antihypertensive drug properties beyond their blood pressure-lowering effects.
  • It addresses issues concerning the external validity of RCTs, the extrapolation of findings from high-risk to low-risk populations, and the interpretation of hard versus surrogate endpoints in hypertension research.

Impact:

  • Highlights the need to consider individual patient profiles and drug-specific characteristics for optimizing hypertension treatment strategies.
  • Emphasizes the importance of a holistic approach to cardiovascular risk management, moving beyond solely focusing on arterial pressure reduction.

Related Concept Videos

Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

Hypertension III: Clinical Manifestations and Diagnostic Studies

Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
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...
Hypertension IV: Drug Therapy and Lifestyle Modifications01:28

Hypertension IV: Drug Therapy and Lifestyle Modifications

Multiple classes of antihypertensive medications are employed in treating hypertension. The most commonly recommended first-line treatments include:Thiazide Diuretics, such as chlorthalidone, increase sodium and water excretion from the body, reducing blood volume and blood pressure.Angiotensin-converting enzyme inhibitors, like lisinopril, block the conversion of angiotensin I to II, a potent vasoconstrictor lowering blood pressure.Angiotensin II Receptor Blockers (ARBs) prevent angiotensin II...
Hypertension V: Nursing Management01:23

Hypertension V: Nursing Management

The nursing management of hypertension involves accurately assessing symptoms, making a comprehensive nursing diagnosis, collaborating with patients to set goals, and implementing targeted interventions to mitigate the condition's impact and improve patient well-being.Comprehensive AssessmentThe initial step in nursing care for hypertension involves a thorough patient assessment. It includes evaluating symptoms such as headaches, dizziness, blurred vision, and previous hypertension episodes.
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...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...