Summary
Cardiac segments, as practically independent anatomicosurgical units, supplied by the major branches of the coronary arteries, were identified, named, and numbered in 50 human hearts (42 males and 8 females), after vascular injection (vinyl acetate) and corrosion.
The casts showed that each hemi-heart supplied by the corresponding coronary artery can be divided into segments (and these segments may be divided into subsegments) that are classified as atrial and ventricular; both are subdivided into parietal, septal, and parietoseptal segments, separated by intersegmental planes.
The right ventricular hemi-heart is made up of three segments: conus or I DV, right marginal or II DV, and posterior interventricular or III DV. The left ventricular hemi-heart is made up of four segments: anterior interventricular of I SV, lateral or II SV, left marginal or III SV, and posterior ventricular or IV SV. Their variations were correlated with the so-called types of balanced or unilateral predominant coronary circulation.
Résumé
Des segments cardiaques réalisant des unités anatomochirurgicales pratiquement indépendantes, vascularisés par les principales branches des artères coronaires ont été identifiés et classifiés à partir de 50 coeurs humains (42 hommes et 8 femmes) étudiés après injection-corrosion.
Les moulages ont montré que chaque demicoeur vascularisé par l'artère coronaire correspondante peut être divisé en segments (et ces segments peuvent être divisés en sous-segments) qui sont subdivisés en segments auriculaires et ventriculaires; ces segments peuvent être pariétaux, septaux et pariétoseptaux, et séparés par des plans intersegmentaires.
Le demi-coeur ventriculaire droit comporte 3 segments: cône ou I DV, du bord droit ou II DV et interventriculaire postérieur ou III DV. Le demicoeur ventriculaire gauche comporte quatre segments: interventriculaire antérieur ou I SV, latéral ou II SV, du bord gauche ou III SV et ventriculaire postérieur ou IV SV. L'étendue de ces segments est fonction des variations artérielles.
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DiDio, L.J.A., Rodrigues, H. Cardiac segments in the human heart. Anat. Clin 5, 115–124 (1983). https://doi.org/10.1007/BF01798982
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DOI: https://doi.org/10.1007/BF01798982