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ABS TRACT Objective: In this study we have compared the usage of Drilled Balloons (DB) and Over the Wire (OTW) Balloons using at the TrueLumen test in terms of efficacy, reliability and cost. Material and Methods: 137 consecutive patients in 142 procedures (5 patients are common) with coronary total occlusion (TO) onset before or during the intervention, were consecutively enrolled. 1.25x15 mm DB in 73 procedures and OTW in 69 procedures were used to visualizing the rear of the total lesion in situations in which antegrade fill was not achieved at the moment when the 0.014 guidewire passed TO. Results: The baseline characteristics were found comparable in both groups. Furthermore, the amount of contrast agent used (45.11±8, 97 mL vs 47.97±10, 47 mL, p=0.082), and the cost was lower found in the DB group ($482±170 vs $698±194, p<0.001). Additionally, the procedure time was similar found in two groups (15.64±3.77 vs 15.95±2.68, P=0.575). Conclusion: Using a DB to image the distal point of TO is less expensive and more practical than the OTW balloon. In addition during injection of contrast agent via DB, the balloon can be moved back and forth through the 0.014 guidewire in contrast to OTW. The behind of lesion can be displayed in detail such as “traveling in a tunnel with a projector” with the help of DB method.

A Prospective Comparison of the Drilled Balloon and Over the Wire Balloon Using to Visualizing the Distal Lumen of Total Occlusion