Document Classification

Section Type: RESULTS

Text: The X-ray exposure time (18. 8 min 6. 9 min vs. 14. 2 min 5. 7 min, P < 0. 01) was significantly less in groups B and the total PCI time (31. 2 min 8. 1 min vs. 20. 1 min 4. 5 min, P < 0. 01) and the amount of contrast agent (193. 5 ml 25. 4 ml vs. 130. 6 ml 32. 8 ml, P < 0. 01) and the frequency of pressure drop (19 cases vs. 2 cases, P < 0. 01) were all significantly higher in group A than in group B. Incidence of malignant ventricular arrhythmia (8 vs. 0) and procedure failure (6 vs. 0) was also higher in group A compared to group B.