Document Detail

Perioperative myocardial infarction in cardiac surgery--risk factors and consequences. A case control study.
MedLine Citation:
PMID:  11191945     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The aim of the study was to analyze risk factors and clinical outcome in patients sustaining perioperative myocardial infarction (PMI) after cardiac surgery. DESIGN: A retrospective, case control study was conducted, in which 42 patients fulfilling both Q-wave criteria and enzyme criteria for PMI, or autopsy diagnosis, from a cohort of 1147 operated on during the same time period were compared with matched controls. A follow-up by telephone interview was conducted, on average 24 months after the operation. RESULTS: Unstable angina, peripheral vascular disease, short stature and low body weight were more prevalent in the PMI group. Intraoperative remarks of poor quality coronary vessels and incomplete revascularization were more frequent in the PMI group; 30-day mortality was 24% in the PMI group vs 0% in the control group (p < 0.01). The postoperative course was more complicated and protracted in the PMI group. At follow-up, the control group managed significantly better with regard to freedom from angina and the need for nitroglycerine. However, 24 of the 30 survivors in the PMI group reported an improved quality of life after surgery. CONCLUSIONS: We found that PMI was mainly associated with coronary surgery and that unstable angina was the most important preoperative risk factor for PMI. Poorer conditions for revascularization may explain some of the infarcts and could also contribute to the impaired long-term outcome in the PMI group.
L G Dahlin; C Olin; R Svedjeholm
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Scandinavian cardiovascular journal : SCJ     Volume:  34     ISSN:  1401-7431     ISO Abbreviation:  Scand. Cardiovasc. J.     Publication Date:  2000 Oct 
Date Detail:
Created Date:  2001-01-12     Completed Date:  2001-03-01     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9708377     Medline TA:  Scand Cardiovasc J     Country:  Norway    
Other Details:
Languages:  eng     Pagination:  522-7     Citation Subset:  IM    
Department of Cardiothoracic Surgery, Linköping Heart Centre, University Hospital, Sweden.
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MeSH Terms
Angina, Unstable
Cardiac Surgical Procedures / adverse effects*
Case-Control Studies
Coronary Artery Bypass / adverse effects
Heart Valve Prosthesis
Middle Aged
Myocardial Infarction / epidemiology,  etiology*
Postoperative Complications* / epidemiology
Retrospective Studies
Risk Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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