Length of time to defer surgery after stents

This Is an important question that's always asked by cardiologists and surgeons . This study published on line in AJC.
This cohort study looked at tick of major peri operative cardiac events in patients undergoing NCS,
Risk of cardiac events after NCS are substantial after stent even on dual anti-platelet therapy. Noncardiac surgery should be delayed as long as possiblein post stent ( atleast 1.5 months in BMS and 1 year in DES).