Coronary CT angiography to guide percutaneous coronary intervention

Abstract

Background: The present study was conducted for assessing efficacy of Coronary CT angiography to guide percutaneous coronary intervention. Materials & methods:A total of 100 patients of chronic total occlusion (CTO) were enrolled in the present study. The CT-guided PCI procedure involved placing CT and fluoroscopic images side-by-side on the screen. Images were analysed for location, segment, plaque characteristics, calcification, and proximal lumen diameter of the CTO before PCI. The guidewire was advanced and manipulated under CT guidance. The PCI was carried out and the results were compared. Results:Mean age of the patients with success (n=88) and failure (n=12) was 62.3 years and 61.8 years respectively. There were 56 males and 32 females among the successful PCI group while there were 8 males and 4 females in the failure PCI group respectively. Location of CTO and length of occlusion were significantly different among patients divided on the basis of prognosis. Conclusion:From the above results, the authors conclude that CT Guidance can delineate the routes of CTOs and clearly characterize plaques and hence improve the outcome.