Thebesian Drainage of the Septal Artery

Author:

MOIR THOMAS W.1,ECKSTEIN RICHARD W.1,DRISCOL THOMAS E.1

Affiliation:

1. Departments of Medicine and Physiology, Western Reserve University School of Medicine, Cleveland, Ohio

Abstract

Direct right ventricular drainage of I 131 serum albumin injected into the septal artery of the normally beating dog heart has been demonstrated. By the application of standard dilution equations to the time-concentration curves recorded in the pulmonary artery, estimates of the magnitude of this Thebesian drainage have been made. Approximately 80% of septal artery outflow has been estimated to drain directly into the right ventricle; this amount comprises about 12.8% of total common left coronary flow and, in part, explains the discrepancy found between common left coronary inflow and coronary sinus outflow. The implications of Thebesian drainage of a branch of the common left coronary artery relative to the use of coronary sinus sampling for left ventricular metabolic studies have been discussed.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Cardiology and Cardiovascular Medicine,Physiology

Reference15 articles.

1. VIEUSSENS E.: Nouvellas Decouvertes sur le Coeur. Paris 1706.

2. THEBESIUS A. C.: Disputatio Medica de Cireulo Sanguinis in Corde. Lugduni Batavorum 1708.

3. THE RÔLE OF THE THEBESIAN VESSELS IN THE CIRCULATION OF THE HEART

4. The nature of the vascular communications between the coronary arteries and the chambers of the heart

5. The nutrition of the heart through the vessels of Thebesius and the coronary veins;PRATT F. H.;Am. J. Physiol.,1898

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