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  • Title: [Non-Q infarct. Clinical and prognostic aspects].
    Author: Parenti GF, Picheca L, Bana R, Rovelli GE, Grassi M, De Vita C.
    Journal: Minerva Cardioangiol; 1989; 37(1-2):3-9. PubMed ID: 2786167.
    Abstract:
    Prognosis of on-Q wave myocardial infarction (nQMI) has been the subject of considerable controversy over the last few years and a systematically aggressive approach with PTCA or coronary by-pass surgery (CBS) has been advocated as a means to reduce subsequent coronary events rate. To investigate clinical outcome and possibly identify high-risk subgroups 131 consecutive patients (pts) meeting diagnostic criteria for nQMI, admitted to our CCU for their first myocardial infarction between January 1980 and June 1985, were followed-up for a mean period of 34 months (range 6-72). Mean age of pts was 59 +/- 7 yrs; 101 (76%) were males, 30 (24%) females. No pt was lost to follow-up. During the same period 684 pts were admitted for Q wave myocardial infarction. Major coronary events such as angina, reinfarction, CBS, cardiac death as well as overall early and late mortality were considered for statistical evaluation with uni-multivariate analysis taking into account multiple data from pts history and acute clinical presentation. Angina appeared or recurred in 71 pts (54%), reinfarction occurred in 14 (10.7%); 25 pts underwent CBC (19%). Early cardiac deaths were 7 (5.3%), late cardiac deaths 12 (9.2%); overall mortality rate 18.1%. Uni- and multivariate statistical analysis did not disclose significant criteria predicting major coronary events and no high-risk subgroup could be identified, confirming uncertainties and doubts from literature.
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