Journal of the American College of Cardiology
Interventional Cardiology
Sirolimus-Eluting Versus Paclitaxel-Eluting Stent Implantation for the Percutaneous Treatment of Left Main Coronary Artery DiseaseA Combined RESEARCH and T-SEARCH Long-Term Analysis
Marco Valgimigli, Patrizia Malagutti, Jiro Aoki, Héctor M. Garcia-Garcia, Gaston A. Rodriguez Granillo, Carlos A.G. van Mieghem, Jurgen M. Ligthart, Andrew T.L. Ong, George Sianos, Evelyn Regar, Ron T. Van Domburg, Pim De Feyter, Peter de Jaegere and Patrick W. Serruys
Table 2
Table 2
Angiographic and Procedural Characteristics of the Study Population
| Variables | SES Group (n = 55) | PES Group (n = 55) | p Value |
|---|---|---|---|
| Lesion location (%)⁎ | |||
| Ostium | 27 | 22 | 0.51 |
| Body | 29 | 24 | 0.54 |
| Distal | 64 | 76 | 0.28 |
| Pure left main disease (%) | 5 | 5 | >0.99 |
| LM plus 1-vessel disease (%) | 18 | 18 | >0.99 |
| LM plus 2-vessel disease (%) | 20 | 24 | 0.82 |
| LM plus 3-vessel disease (%) | 57 | 53 | 0.87 |
| Right coronary artery >70% stenosis (%) | 69 | 64 | 0.88 |
| Right coronary artery occlusion (%) | 24 | 20 | 0.82 |
| Number of implanted stents | 1.43 ± 0.53 | 1.50 ± 0.6 | 0.49 |
| Nominal stent diameter (mm) | 3.00 ± 0.25 | 3.29 ± 0.28 | <0.001 |
| Total stent length per patient (mm) | 23 ± 11 | 27 ± 13 | 0.07 |
| Predilation (%) | 71 | 60 | 0.15 |
| Cutting balloon (%) | 7 | 7 | >0.99 |
| Rotational atherectomy (%) | 2 | 4 | >0.99 |
| Directional atherectomy (%) | 0 | 0 | >0.99 |
| Postdilatation (%) | 82 | 72 | 0.15 |
| Bigger balloon inflated (mm) | 3.75 ± 0.48 | 3.70 ± 0.5 | 0.48 |
| Maximal pressure (atm) | 18 ± 5 | 19 ± 3 | 0.55 |
| Bifurcation stenting (%) | 29 | 33 | 0.84 |
| Culotte | 0 | 20 | 0.009 |
| T-technique | 20 | 5 | 0.05 |
| Crush | 7 | 4 | 0.67 |
| Kissing technique | 2 | 4 | >0.99 |
| Intravascular ultrasonography (%) | 33 | 27 | 0.53 |
| IIb/IIIa inhibitors (%) | 33 | 27 | 0.68 |
| Intra-aortic balloon pump (%) | 20 | 18 | >0.99 |
| Left ventricle assist device (%) | 5 | 0 | 0.24 |
| Temporary pacing during procedure (%) | 7 | 9 | >0.99 |
LM = left main coronary artery; other abbreviations as in Table 1.
↵⁎ Location of disease was not mutually exclusive among LM segments.
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