الفهرس 
Importance of Left Main Coronary Artery DiseaseOnly 14 pages are availabe for public view
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Abstract
Left main coronary artery lesions are associated with jeopardy of an outsized area of the myocardium, causing a high incidence of morbidity & mortality. Optimal treatment of coronary bifurcation anatomy remains highly debatable, whether by provisional or two-stent technique.
This prospective observational study was designed to investigate the one-year clinical outcomes of unprotected left main coronary artery disease revascularization by percutaneous coronary intervention in a” real-world” setting among Egyptian patients in a prospective single-center registry (at Ain Shams University Hospitals).
This study included 163 patients who underwent PCI to LM lesions between May 2020, till May 2022 in Ain Shams University hospitals. Patients were dichotomized into two groups according to their intended stenting technique, whether provisional or two-stent technique.
142 patients underwent provisional stenting while 21 were designated for the two-stent technique, mainly DK-crush (double kissing). Among the patients with intended provisional stenting, 34 patients underwent the TAP technique.
Patients were followed up for the primary endpoints, at the in-hospital setting, at 30 days, and after one year. In-hospital death was encountered in 6.34% of cases undergoing provisional stenting, among which 5.36% were due to a cardiovascular cause. Total MACCE was found to be 2.96% in the provisional stenting group vs. 4.76% in the two-stent group. Overall, MACCE at one year was found to be 22.31% in the provisional group & 30% in the two-stent group(p-value0.57). TVR was recognized in 10% of cases treated by provisional stenting and 30% of cases treated by the two-stent technique (p-value 0.023).