[Unstable angina pectoris--current pathogenetic concepts].
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Biomedical subjects
Publications and source records attributed to Z Zlateva.
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An investigation was carried out of 58 patients who had survived ventricular fibrillation during the period 1975-1982 and had been successfully resuscitated in the Cardiologic Clinic of the High Medical Institute in Varna. 12 of the patients were women and 46 were men, mean age 60.8 years (from 43 up to 85 years). 3 of the patients were dropped out of the investigation because of lack of information. 35 patients (63.6%) had died and 20 patients (36.4%) were alive. 4 of the alive patients (20%) had resumed their previous occupation. 3 of the patients (15%) were on old age pension but were engaged in some kind of work. 12 patients (60%) were old age pensioners or on a disablement pension but in good functional class. Only one patient (5%) was in a bad physical condition confined to bed. Ventricular fibrillation has a poor prognosis but if timely and properly treated it could be overcome and the life of the patients could be prolonged. Some of the patients could live a wholesome life for a long period of time (more than 5 years).
Making use of "coronary prognostic index" of Peel and its modifications, a retrospective assessment is performed on the state of 398 patients with acute myocardial infarction with a mark, equal to the sum of marks of the signs of the initial myocardial period, allowing the prediction of the lethal end in the first 28 days of the onset of the disease. The predicted lethality for the corresponding mark intervals was established to be close to the real and that both systems show similar real lethality for the separate mark intervals. Modified Peel system proved more effective: it provides an average of 0,015 bits more information for the disease outcome than the analogic system of Peel. Peel index and its modification are insufficiently complex but easily accessible and sufficiently provable as to be used in every day practice in order to differentiate the patients with poor prognosis and take better care of.