Stents make later surgery riskier than usual.
D023921:Coronary Stenosis / Q000628:therapy; D005260:Female; D006801:Humans; D008297:Male; D011183:Postoperative Complications / Q000401:mortality; D012307:Risk Factors; D012606:Scotland / Q000453:epidemiology; D015607:Stents / Q000009:adverse effects*; D013514:Surgical Procedures, Operative / Q000401:mortality