Related Experiment Video
Updated: May 6, 2026
10:33
Assessment of Right Ventricular Structure and Function in Mouse Model of Pulmonary Artery Constriction by Transthoracic Echocardiography
Published on: February 3, 2014
27.7K
Left Ventricular Papillary Muscle: Anatomy, Pathophysiology, and Multimodal Evaluation
Shiying Li1,2,3, Zhen Wang1,2,3, Wenpei Fu1,2,3
1Department of Ultrasound Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
Diagnostics (Basel, Switzerland)
|June 27, 2024
Summary
The papillary muscle (PM) is crucial for mitral valve function. Understanding PM dysfunction is vital for treating mitral regurgitation (MR) effectively.
Area of Science:
- Cardiovascular Anatomy
- Cardiac Physiology
- Pathophysiology
Background:
- The papillary muscle (PM) is an integral component of the mitral valve apparatus.
- PM dysfunction is a primary cause of mitral regurgitation (MR).
- PM dysfunction is often underestimated in clinical settings.
Purpose of the Study:
- To systematically review normal papillary muscle anatomy.
- To elucidate the pathophysiology of PM dysfunction-related diseases.
- To summarize noninvasive imaging modalities for PM assessment.
Main Methods:
- Systematic review of anatomical variations.
- Review of pathophysiological mechanisms.
- Summary of noninvasive imaging techniques.
Main Results:
- Detailed description of normal PM anatomical variations.
- Explanation of the pathophysiology linking PM dysfunction to MR.
- Comparative analysis of imaging modalities for PM evaluation.
Conclusions:
- Papillary muscle dysfunction is a critical factor in mitral regurgitation.
- Accurate assessment of PM structure and function is essential for MR management.
- Noninvasive imaging plays a key role in evaluating PM abnormalities.
