Methods
From December 2007 to November 2010, stenting was attempted by the SzT in 85 patients (pts) (67±3 years; 66% male) with significant aorto-ostial or bifurcation lesions. All procedures were performed by two skilled operators using different types of stents. After predilatation, the anchor guidewire (2GW), placed in side branch, was threaded through the most proximal stent cell, and the stent was advanced into the target lesion until it was stopped at the carina. Stent was initially inflated at 6 atm and deflated, and after removing the 2GW, delivery was completed at required atmospheres.
Methods
From December 2007 to November 2010, stenting was attempted by the SzT in 85 patients (pts) (67±3 years; 66% male) with significant aorto-ostial or bifurcation lesions. All procedures were performed by two skilled operators using different types of stents. After predilatation, the anchor guidewire (2GW), placed in side branch, was threaded through the most proximal stent cell, and the stent was advanced into the target lesion until it was stopped at the carina. Stent was initially inflated at 6 atm and deflated, and after removing the 2GW, delivery was completed at required atmospheres.
Results
Reason for PCI was acute myocardial infarction (AMI) in 30 cases (36%), unstable angina in 29 (34%), elective PCI post-AMI in 10 (12%), stable angina in 7 (8%) and other in 9 cases (10%). Radial approach was attempted in 65 (76%) pts, and 6-French (Fr) guide catheter (GC) was used in 90% of pts. Mean stent length and diameter were 15.43±7.2 and 3.27±1.23 mm. The SzT was attempted in 86 lesions (17 direct stenting), with a 90% of success rate. Failure was due to stent dislodgment (2 pts), lack of support of GC (2 pts) and underestimation of GC Fr in one. In all cases of SzT failure, procedure was successfully ended with any other technique of stenting. Guidewire twisting was the most frequent technical problem (24% of SzT). No major complications occurred during the procedure.
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