Inappropriate left ventricular mass changes during treatment adversely affects cardiovascular prognosis in

Maria Lorenza Muiesan1, Massimo Salvetti, Anna Paini

  • 1Department of Medical and Surgical Sciences, University of Brescia, 25100 Brescia, Italy. muiesan@med.unibs.it

Insights

Inappropriate left ventricular mass (LVM) during hypertension treatment increases cardiovascular event risk. Regression of inappropriate LVM improves prognosis, highlighting its importance in managing heart health.

Area of Science:

  • Cardiology
  • Hypertension Research
  • Clinical Medicine

Background:

  • Inappropriate left ventricular mass (LVM) is a predictor of cardiovascular (CV) events, irrespective of traditional hypertrophy definitions.
  • Understanding LVM changes during treatment is crucial for assessing CV risk.

Purpose of the Study:

  • To evaluate the relationship between changes in LVM appropriateness during antihypertensive treatment and subsequent CV prognosis.
  • To identify factors independently associated with CV events in hypertensive patients.

Main Methods:

  • Prospective study of 436 uncomplicated hypertensive subjects with baseline and follow-up echocardiograms (6+/-3 years apart).
  • LVM appropriateness assessed by the ratio of observed LVM to predicted LVM for individual cardiac workload.
  • Patients followed for an additional 4.5+/-2.5 years for CV events.

Main Results:

  • Inappropriate LVM at baseline was present in 258 patients.
  • Event rates varied significantly based on LVM appropriateness changes: persistence of inappropriate LVM (3.18 events/100 patient-years), regression (0.97), development (1.87), and persistence of appropriate LVM (0.81).
  • Persistence or development of inappropriate LVM, along with LVH, were independent predictors of CV events (P<0.001).

Conclusions:

  • The appropriateness of LVM relative to cardiac workload is a significant prognostic factor in hypertensive patients.
  • Changes in LVM appropriateness during antihypertensive therapy impact long-term CV outcomes.
  • Monitoring and managing inappropriate LVM is essential for improving CV prognosis in hypertension.

Related Concept Videos

Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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...