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박영배,이영우,오동진,고창순,서정돈,서봉관,오병회 대한내과학회 1986 대한내과학회지 Vol.31 No.5
To assess the change in left ventricular function after hospital discharge, 57 patients with acute myocardial infarction were studied before discharge and 26 of them after discharge as well with either or both of treadmill test and radionuclide ventriculography(RNV). Follow-up study patients were 2g men with mean age of 53.1. Their infarct locations were anterior in 16 cases, inferior in 8 cases and anterior and inferior in 2 cases; 21 cases were in Killip class I, 3 cases in II, and 2 cases in III. Follow-up study was performed 2~19 months(mean 7.3 months) after acute myocardial infarction. The results were as follows: 1) Predischarge study showed that a relationship is present between regional wall motion abnormality, Killip class, peak serum CK and left ventricular ejection fraction(LVEF). 2) Predischarge and follow-up treadmill tests showed no significant change. 3) Follow-up RNV showed worsening of regional wall motion only in 1 case: Other cases showed either improvement or no change in regional wall motion. 4) Overall patients showed a significant increase in LVEF on follow-up. By location, only anterior infarction showed a significant increase in LVEF. 5) Killip class I patients showed a significant increase in LVEF on follow-up. 6) Most cases in this study were uncomplicated myocardial infarction and they showed improved LV function(suggested by RNV) on follow-up. Treadmill test also seems to be valuable for evaluationg improvement in exercise capacity on follow-up. So it is recomended that treadmill test or RNV be performed after discharge to evaluate change in LV function objectively.
Behavioural Semantics를 추가한 Database Transactions의 Modelling 및 Design
박영배,김광식 명지대학교 공학기술연구소 1986 공학기술연구소 논문집 Vol.1 No.-
Designing DB, in the conventional relational/network DBMS, the DB designer doesn't deal with behavioural aspect, but only with structural aspect. And semantic integrity control is needed for the relational/network DBMS based on extended E-R model for representing semantics of real world precisely. In this paper, defining the structure of extended E-R model and semantic integrity rules on this structure, Dynamic Operation has been designed by analyzing behaviour for maintaining the semantic integrity rules in the relational/network DBMS. Also, proposing the modelling technique of transaction to represent the behaviour of objects in this structure, we have designed the transaction using transaction scheme which is the result of modelling.