Related Experiment Video
Updated: Sep 30, 2025

08:17
Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
Published on: February 20, 2017
14.6K
Left ventricular hypertrophy is independently associated with all-cause mortality
Mohammad Reza Movahed1,2, Radhakrishnan Ramaraj1, Coraly Manrique1
1University of Arizona Sarver Heart Center Tucson, AZ 85724, USA.
American Journal of Cardiovascular Disease
|March 16, 2022
Summary
Left Ventricular Hypertrophy (LVH) significantly increases the risk of all-cause mortality. This large echocardiographic study confirms LVH is an independent predictor of long-term adverse outcomes.
Area of Science:
- Cardiology
- Echocardiography
- Clinical Outcomes
Background:
- Left Ventricular Hypertrophy (LVH) is a known risk factor for adverse health outcomes.
- The prognostic implications of LVH require further elucidation in large patient cohorts.
Purpose of the Study:
- To investigate the association between Left Ventricular Hypertrophy (LVH) and all-cause mortality.
- To utilize a substantial echocardiographic database for robust outcome analysis.
Main Methods:
- Retrospective analysis of 2,352 echocardiograms (ages 16-99) performed between 1983-1998.
- Mortality data were collected through national databases up to 2007.
- Uni- and multivariate analyses were employed to assess the relationship between LVH (wall thickness >11 mm) and total mortality.
Main Results:
- LVH demonstrated a significant association with all-cause mortality (35.5% vs. 23.5%, P<0.001, HR 1.79).
- Even after adjusting for age, gender, systolic function, and valvular disease, LVH remained an independent predictor of mortality (OR 1.39, P=0.005).
Conclusions:
- Left Ventricular Hypertrophy is independently associated with increased all-cause mortality.
- These findings underscore the detrimental impact of LVH on long-term patient survival.
Related Concept Videos
Heart Failure II: Pathophysiology
82
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...
82
Cardiomyopathy III: Hypertrophic Cardiomyopathy
78
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...
78
Mitral Regurgitation I: Introduction
75
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...
75
Pathophysiology of Heart Failure
1.9K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.9K
Imbalances in Cardiac Output
1.6K
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...
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...
1.6K
Heart Failure I: Introduction
95
Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
95

