Related Experiment Video
Updated: Jun 5, 2026

A Model of Cardiac Remodeling Through Constriction of the Abdominal Aorta in Rats
Published on: December 2, 2016
[Study of correlation factors with left ventricular hypertrophy during cardiac hypertrophy induced hypertension and
Hai-ying Li1, Zi-quan Liu, Chang-qing Tong
1Department of physiology, Medical College of the Chinese People's Armed Police Forces, Tianjin 300162, China.
Insights
Hypertension, including systolic blood pressure (SBP), is linked to left ventricular hypertrophy (LVH). Cardiac neuropeptide Y (NPY) also correlates with LVH, but plasma NPY does not.
Area of Science:
- Cardiovascular Physiology
- Endocrinology
Context:
- Left ventricular hypertrophy (LVH) is a significant risk factor for cardiovascular morbidity and mortality.
- Understanding the molecular and hemodynamic factors contributing to LVH is crucial for developing targeted therapies.
Purpose:
- To investigate the relationship between hemodynamic parameters (systolic blood pressure [SBP], diastolic blood pressure [DBP], mean arterial pressure [MAP]) and neuropeptide Y (NPY) levels with left ventricular hypertrophy (LVH).
- To explore these associations during both the development and regression of cardiac hypertrophy.
Summary:
- Positive correlations were observed between SBP, DBP, MAP, and cardiac tissue NPY levels with the cardiac coefficient (left ventricular weight to body weight ratio [LVW/BW]).
- No significant correlations were found between the cardiac coefficient and heart rate (HR) or plasma NPY levels.
- SBP demonstrated a stronger correlation with LVW/BW compared to DBP.
Impact:
- Findings suggest hypertension is a key factor in cardiac hypertrophy.
- These results highlight the potential role of cardiac NPY in the pathogenesis of LVH.
- The study provides insights into the complex interplay of hemodynamic and neuroendocrine factors in cardiac remodeling.
Aim:
To investigate the relations between left ventricular hypertrophy and systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), neuropeptide Y (NPY) during cardiac hypertrophy and regression.
Methods:
Blood pressure and heart rate were recorded with polygraph channel biologic message system. NPY in plasma and myocardium were measured with Radioimmunoassay. Correlation coefficient were calculated with SPSS software.
Results:
There were positive correlations between SBP, DBP, MAP, NPY in the cardiac tissue and cardiac coefficient (LVW/BW). There was no correlations between cardiac coefficient and heart rate (HR), NPY in plasma.
Conclusion:
Hypertension is one of cardiac hypertrophy factors, SBP correlate better with LVW/ BW than DBP. SBP, DBP, MAP, NPY in cardiac tissue has correlative tendency with LVW/BW.
More Related Videos
Related Concept Videos
Heart Failure II: Pathophysiology
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Heart Failure I: Introduction
Mitral Regurgitation I: Introduction

