ISSN 2564-7784 | E-ISSN 2564-7040
1 Department of Radiology, Gaziantep University School of Medicine, Gaziantep, Turkey  
Eur J Ther ; : -

Abstract

 

Objectives: We aimed to identify variations in pulmonary veins, which are important in radyofrekans ablation (RFA) preparation in our study, to show how often they are monitored and to classify drainage types with 64-slices Multidetector computed tomography (MDCT).

 

Methods: Between 2011-2016, 312 male and 191 female patients, who were evaluated by thorax and cardiac computer tomography angiography (CTA) for various reasons, were included in the study. The cases were scanned with 64 cross-sectional CT scans. Three dimensional images were created by 2D reconstructed multiplanar reformatts, MIP and volume rendering methods from axial images. Anatomic variations of the pulmonary vein were determined.

 

Results: The classical pattern of pulmonary venous drainage type with four ostium, two on the right and two on the left, was observed in 44.8%. In the remaining cases, variant anatomy was observed on the right or left. Right top pulmonary vein was also found in 3.4% of cases. In the right side, 72.4% of the cases had a classical type with two ostium, 27.6% with one ostium or a variant type with more than two ostium. In the left, 61.5% of the patients had a classical type with two atrial ostia, and 38.5% had one or three types of atrial ostia. In our study, it is important to have the largest series ever created with 503 cases. Also we have newly defined right(R)5B and left (L)3 type which is not in Marom' s classification.

 

Conclusion: MDCT is a method that provides accurate and detailed description of the pulmonary venous anatomy which are important in RFA preparation.

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