Risk factors for sudden infant death syndrome: further change in 1992-3: Table 1

Table 1 Details of patients undergoing peripheral vascular surgery who sustained perioperative myocardial infarction Infarction Patient's age Operation (class) Time* Associated signs Risk factorst Non-fatal infarction 64 Carotid (elective) 1 Angina, electrocardiographic changes High blood pressure, ischaemic heart disease 78 Femoropopliteal (elective) 1 Silent (electrocardiographic signs of Ischaemic heart disease, smoker, age bundle branch block) 65 Ileofemoral graft and operative 0 Silent (electrocardiographic signs of Ischaemic heart disease, cerebrovascular sympathectomy (urgent) bundle branch block) accident, diabetes 69 Below knee amputation (urgent) 2 Silent High blood pressure, diabetes 81 Below knee amputation (urgent) 0 Silent Ischaemic heart disease, high blood pressure, cerebrovascular accident, age 66 Abdominal aortic aneurysm 0 Angina, electrocardiographic changes, Perioperative shock, ischaemic heart disease, repair (emergency) bradycardia smoker Fatal Infarctlon 65 Abdominal aortic aneurysm 2 Left ventricular failure, subendocardial Ischaemic heart disease, high blood pressure, repair (elective) myocardial infarction on necropsy cerebrovascular accident 63 Abdominal aortic aneurysm 11 Left ventricular failure, Ischaemic heart disease, high blood pressure, repair (elective) electrocardiographic changes perioperative shock 73 Femoral-femoral crossover (elective) 4 Left ventricular failure, subendocardial Ischaemic heart disease, high blood pressure, myocardial infarction on necropsy age, smoker 71 Ileofemoral graft and operative 4 Angina, electrocardiographic changes lschaemic heart disease, high blood pressure, sympathectomy (urgent) cerebrovascular accident, age 90 Below knee amputation (urgent) 13 Left ventricular failure Ischaemic heart disease, high blood pressure, age 72 Abdominal aortic aneurysm 3 Left ventricular failure, Ischaemic heart disease, perioperative shock, repair (emergency) electrocardiographic changes smoker, age 75 Abdominal aortic aneurysm 0 Cardiogenic shock Ischaemic heart disease, perioperative shock, repair (emergency) age 89 Brachial embolectomy (emergency) 0 Cardiac arrest, transmural myocardial lschaemic heart disease, smoker, age infarction on necropsy *No of days after peripheral vascular surgery.tAge >70 years; high blood pressure; previous transient ischaemic attack or cerebrovascular accident; diabetes; current smoker; perioperative shock; ischaemic heart disease (angina, previous myocardial infarction, or abnormal electrocardiographic results).