Changes in Index of Microcirculatory Resistance during PCI in the Left Anterior Descending Coronary Artery in Relation to Total Length of Implanted Stents

Table 2

Procedural characteristics.

		Total stent length in LAD
		12–22 mm	23–37 mm	38–78 mm
		n = 14	n = 14	n = 14
Number of stents in LAD	1	14	9	5
	2	0	5	7
	3	0	0	2
Direct stenting (no predilatation)	Yes	1	3	0
	No	13	9	13
Post dilatation	Yes	7	9	14
	No	7	5	0
Largest stent in LAD (mm), median (IQR)		3.5 (3–3.5)	3.5 (3.5–3.5)	3.5 (3–3.5)
Smallest stent in LAD (mm), median (IQR)		3.5 (3–3.5)	3.5 (3–3.5)	3 (2.75–3.5)
Total stent length in LAD (mm), median (IQR)		20 (16–20)	29 (26–34)	46 (38–54)
Maximum dilatation pressure, median (IQR)		20 (16–20)	20 (16–20)	20 (20–20)

IQR = interquartile range.