The “L-Sandwich” Strategy for True Coronary Bifurcation Lesions: A Randomized Clinical Trial

Table 4

Angiography follow-up outcomes.

		“L-sandwich” (n = 28)	Two-stent (n = 30)	Single-stent + DCB (n = 24)
Main vessel
MLD (mm)	Post-PCI	3.32 ± 0.43	3.29 ± 0.19	3.38 ± 0.37	0.659
	6 months	3.25 ± 0.40	3.25 ± 0.19	3.33 ± 0.37	0.602
LLL (mm)		0.06 ± 0.09	0.04 ± 0.08	0.05 ± 0.09	0.625
Side branch ostium
MLD (mm)	Post-PCI	2.42 ± 0.15	2.76 ± 0.15	2.23 ± 0.17	<0.001
					^†<0.001
					^‡<0.001
	6 months	2.43 ± 0.15	2.40 ± 0.33	2.25 ± 0.21	1.000
					^†0.074
					^‡0.033
LLL (mm)		0.00 ± 0.19	0.36 ± 0.35	−0.02 ± 0.21	<0.001
					^†<0.001
					^‡0.818
Side branch shaft
MLD (mm)	Post-PCI	2.71 ± 0.14	2.69 ± 0.15	2.27 ± 0.15	0.698
					^†<0.001
					^‡<0.001
	6 months	2.63 ± 0.11	2.59 ± 0.14	2.31 ± 0.12	0.679
					^†<0.001
					^‡<0.001
LLL (mm)		0.08 ± 0.06	0.10 ± 0.08	−0.04 ± 0.19	1.000
					^†0.002
					^‡<0.001

: “L-sandwich” strategy vs. two-stent strategy; ^†: two-stent strategy vs. single-stent + DCB strategy, ^‡: “L-sandwich” strategy vs. single-stent + DCB strategy, bonferroni’s post hoc test. MLD: minimum lumen diameter; PCI: percutaneous coronary intervention; LLL: late lumen loss.