Abstract
Introduction. The venous system of the heart considered and used in various aspects of cardiology nowadays.
In the literature identify several types of the heart venous system and there are not rare anomalies of the coronary
sinus (CS) and the main veins. Therefore, it notes the value of non-invasive imaging of the heart venous
system, especially in the pre-operative stage.
The purpose: to determine the anatomical features of the coronary veins in patients without evidence of severe
heart disease using multidetector computer tomography with intravenous contrast.
Material and methods. The study of 19 patients with cardiac arrhythmias, without valve and coronary artery
diseases, were performed on the 128-detector dual source CT Somatom Definition Flash (“Siemens”). The
patients' average age was 58.73+7.38 years old, the average weight of 87.38+16.58 kg, the average height of
173.77+9.22 sm.
Results. Visualized coronary sinus in all cases. Mean diameter of the coronary sinus was 11.77 with
SD+2.28 mm. The average length of the CS up to the confluence of the posterior interventricular vein was
10.95+3.42 mm.
Posterior interventricular vein visualized in all cases and in 90% of cases throughout the vessel, mean vein
diameter 4.27+0.65 mm. Anterior interventricular vein was determined in all cases and in 90% of cases
throughout the vessel with the average diameter 4.19 + 0.88 mm. The posterior vein of the left ventricular
was visualized in 90% of cases, and in 35% of cases are determined throughout the vessel; mean diameter
1.98+0.61 mm.
The confluence angle of the CS in the axial plane regarding the line connecting the mouth of the inferior
vena cava to the septal tricuspid valve flap, accounted on average 67+8.84°. The confluence angle of the CS
in oblique sagittal plane relatively to interatrial septum, on average, 122.57+9.54°.
Conclusion. A slight modification of the standard protocol of CT coronary angiography allows determine the
coronary veins, without increasing the dose to the patient.
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