title: Left main coronary artery obstruction: surgical experience with 93 patients.
abstract: Among patients with ischemic heart disease, those with left main stem coronary artery stenosis has attracted most attention due to their ominous prognosis. During the period from August 1982 to February 1989, 93 patients underwent left main coronary artery revascularisation procedures at Singapore General Hospital. All the patients had greater than 75% obstruction of the left main coronary artery. Significant triple vessel disease occurred in 35 patients (37.6%), double vessel disease in 32 patients (34.4%), single vessel disease in 21 patients (22.6%) and left main coronary as an isolated lesion in 5 patients (5.4%). The overall hospital mortality rate is 6.5% and perioperative infarction rate is 8.6%. Since mid-1985, the hospital mortality rate has been reduced to 3.7% and the perioperative infarction rate to 4.9%. Average grafts per patient was 3.5. Intra-aortic balloon pump was used in 5 patients. Follow up period was from 5 months to 84 months with a mean of 36 months with the majority of patients in either New York Heart Association Class I or II and still alive.
authors.affiliation: Department of Cardiothoracic Surgery, Singapore General Hospital.
authors.forename: J W
authors.initials: JW
authors.lastname: Wong
authors.forename: M C
authors.initials: MC
authors.lastname: Tong
authors.forename: N C
authors.initials: NC
authors.lastname: Tan
authors.forename: Y C
authors.initials: YC
authors.lastname: Lim
authors.forename: K K
authors.initials: KK
authors.lastname: Ong
mesh_terms: D006328:Cardiac Catheterization; D002423:Cause of Death; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000401:mortality / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D015993:Life Tables; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000401:mortality / Q000601:surgery*; D011183:Postoperative Complications / Q000401:mortality*; D012008:Recurrence; D012846:Singapore / Q000453:epidemiology; D015996:Survival Rate