[Arterial hypertension and systolic left ventricular dysfunction: therapeutic approach]

M Anguita Sánchez1

  • 1Servicio de Cardiología, Hospital Reina Sofía, Córdoba.

Insights

Hypertension often leads to heart failure, with diastolic dysfunction being common and systolic dysfunction having a worse prognosis. Controlling blood pressure and preventing heart disease are crucial for managing hypertensive heart failure.

Area of Science:

  • Cardiology
  • Internal Medicine
  • Hypertension Research

Background:

  • Arterial hypertension is a primary cause of congestive heart failure.
  • Diastolic dysfunction is the most common mechanism, while systolic dysfunction carries a worse prognosis.
  • Non-ischemic hypertensive systolic dysfunction can be an etiology of chronic heart failure in up to 10% of dilated cardiomyopathy cases.

Purpose of the Study:

  • To highlight the link between arterial hypertension and heart failure.
  • To discuss the mechanisms of hypertensive heart failure, including diastolic and systolic dysfunction.
  • To emphasize the importance of preventing left ventricular dysfunction in hypertensive patients.

Main Methods:

  • Review of existing literature on hypertension and heart failure.
  • Analysis of mechanisms leading to diastolic and systolic dysfunction in hypertensive patients.
  • Discussion of current and potential therapeutic strategies.

Main Results:

  • Hypertension is a key precursor to congestive heart failure.
  • Left ventricular hypertrophy and diastolic dysfunction increase heart failure risk.
  • Systolic dysfunction, though less frequent, has a poorer prognosis, often linked to myocardial infarction or non-ischemic causes.

Conclusions:

  • Preventing left ventricular dysfunction through blood pressure control, regression of hypertrophy, and coronary artery disease prevention is fundamental.
  • Angiotensin converting enzyme inhibitors are the primary treatment for established systolic dysfunction.
  • Diuretics, digoxin, carvedilol, and losartan may be used, but evidence for the latter two is limited.

Related Concept Videos

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...
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
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...
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...