Table 3.

Quantative angiographic analysis of the pre-bifurcation main vessel (Proximal-MV) segment

	Classical crush			DK crush	P Overall classical vs. DK crush
	Overall	Without final kissing balloon	With final kissing balloon
No. of lesions	135	30	105	130	0·9
Baseline
RVD (mm)	2·86 ± 0·63	2·87 ± 0·62	2·84 ± 0·58	2·85 ± 0·53	0·5
MLD (mm)	0·94 ± 0·57	0·96 ± 0·56	0·92 ± 0·49	0·93 ± 0·49	0·16
DS (%)	64·5 ± 13·9	65·9 ± 14·2	63·7 ± 14·5	64·8 ± 13·2	0·13
Post-PCI
RVD (mm)	3·44 ± 0·54	3·26 ± 0·56	3·48 ± 0·45	3·48 ± 0·51	0·6
MLD (mm)	2·94 ± 0·55	2·81 ± 0·59	2·98 ± 0·46	3·02 ± 0·52	0·6
DS (%)	12·8 ± 7·1	12·0 ± 6·3	13·1 ± 7·4	14·6 ± 8·0	0·3
Acute gain (mm)	1·88 ± 0·58	1·80 ± 0·59	1·91 ± 0·55	1·96 ± 0·56	0·9
8-month follow-up
RVD (mm)	3·38 ± 0·63	3·30 ± 0·71	3·38 ± 0·59	3·38 ± 0·54	0·6
MLD (mm)	2·58 ± 0·76	2·59 ± 0·81*	2·72 ± 0·85	2·89 ± 0·86	0·01
DS (%)	22·6 ± 24·2	25·4 ± 21·5	18·7 ± 15·9	19·6 ± 16·6	0·8
Late loss (mm)	0·38 ± 0·12	0·42 ± 0·15*	0·35 ± 0·11	0·32 ± 0·15	0·05
Restenosis (%)
Overall	8·9	20·0	5·7	6·2	0·6
Edge	2·9	6·6	1·9	1·5	0·8
In-stent	5·9	13·3	3·8	4·7	0·6

Abbreviations: RVD, reference vessel diameter; MLD, minimum lumen diameter; DS, diameter stenosis; DK, double kissing.

^*P < 0·05 comparing classical crush without final kissing inflations to both classical crush with final kissing inflations as well as DK crush.