The morphologically right and left ventricles cannot be distinguished by their coronary arterial pattern
Amir-Reza Hosseinpour1, Charles Juvin-Bouvier1,2, Alejandro Adsuar-Gómez1
1Department of Cardiac Surgery, Virgen del Rocio Children's Hospital, University Hospitals of Seville, Seville, Spain.
Interactive Cardiovascular and Thoracic Surgery
|January 23, 2019
Summary
Epicardial coronary arterial patterns do not reliably distinguish right from left ventricles. Neither marginal artery counts nor diagonal artery origins consistently identify ventricular morphology in human hearts.
Area of Science:
- Anatomical studies
- Cardiovascular research
- Surgical anatomy
Background:
- Morphological distinction between right and left ventricles relies on internal features.
- External (epicardial) surfaces lack clear distinguishing marks for ventricular identification.
- Surgeons desire rapid epicardial identification of ventricles for operative procedures.
Purpose of the Study:
- To investigate if epicardial coronary arterial patterns can differentiate morphologically right and left ventricles.
- To test the hypothesis that the left ventricle receives more marginal arteries.
- To test the hypothesis that only the left ventricle receives diagonal arteries.
Main Methods:
- Anatomical observational study.
- Examination of 98 normal and 398 congenitally malformed human hearts.
- Analysis of coronary arterial patterns, specifically marginal and diagonal arteries.
Main Results:
- Both formulated hypotheses were found to be false.
- The number of marginal arteries received does not distinguish between ventricles.
- Diagonal arteries can originate from either interventricular artery and supply both ventricles.
Conclusions:
- Epicardial coronary arterial patterns are not a reliable method for distinguishing right and left ventricles.
- The distribution of marginal and diagonal arteries is variable and does not consistently correlate with ventricular morphology.
- Surgical identification of ventricles based on these epicardial features is not feasible.
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