Jailing polymer jacketed guide-wires during bifurcation coronary interventions is associated with procedural myocardial infarction

Table 1 Demographic and clinical characteristics of the study population

	No PMI (n = 270)	PMI (n = 23)	P value
Age (yr)	63.6 ± 12.1	62.9 ± 14.4	0.80
Male sex	68.1%	60.9%	0.49
Smoking	55.6%	52.2%	0.86
Diabetes mellitus	33.0%	43.5%	0.36
Hypertension	78.1%	65.2%	0.33
Hyperlipidemia	73.7%	78.3%	0.87
Acute coronary syndrome	45.6%	52.2%	0.66

PMI: Procedural myocardial infarction.

Table 2 Angiographic and procedural characteristics

	No PMI (n = 270)	PMI (n = 23)	P value
Vessels involved			0.68
LM bifurcation	15.9%	21.7%
LAD/Diagonal	40.0%	47.8%
LCX/OM	34.8%	21.7%
RPDA/RPLA	8.8%	4.3%
RCA/RV marginal	0.003%	0%
Severe calcification	57.4%	65.2%	0.52
True bifurcation (Medina 1,1,1; 1,0,1; 0,1,1)	79.3%	91.3%	0.27
Main vessel diameter (mm)	3.3 ± 0.5	3.3 ± 0.4	0.4
Side branch diameter (mm)	2.6 ± 0.5	2.6 ± 0.4	0.94
Antiplatelet therapy			0.97
Plavix	73.7%	69.6%
Prasugrel	7.0%	8.7%
Ticagrelor	19.3%	21.7%
Anticoagulant			0.08
Heparin	45.2%	65.2%
Bivalirudin	54.8%	34.8%
Upstream GpIIb/IIIa use	11.5%	13.0%	0.74
Planned 2 stent approach	28.1%	39.1%	0.34
Final kissing balloon angioplasty	45.9%	56.5%	0.39
SB protected	73.3%	87%	0.21
PGW jailed	15.9%	43.4%	0.003

PMI: Procedural myocardial infarction; PGW: Polymer jacketed guide wires.