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Volume

Læknablaðið - 15.04.1996, Page 21

Læknablaðið - 15.04.1996, Page 21
LÆKNABLAÐIÐ 1996; 82 279 Table II. The localization ofacute myocardial infarction (MI) by electrocardiogram, short- and long-term mortality and mean survival. Men Women p-value Total number (%) 287 (100) 75 (100) ns Anterior Ml (%) 88 (31) 18 (24) ns Age (years) ±SD 54 ± 8 55 ± 6 ns Cardiac arrest (%) 15 (17) 5 (21) ns 28 days mortality (%) 13 (15) 3 (17) ns Mean survival (days) ±SD 8.6 ± 8 2 ± 1 ns Death within eight years (%) 35 (40) 6 (33) ns Mean survival (months) ±SD 33 ± 23 35 ± 33 ns Inferior Ml (%) 91 (32) 23 (31) ns Age (years) ±SD 54 ± 7 56 ± 6 ns Cardiac arrest (%) 4 (4) 6 (25) < 0.05 28 days mortality (%) 6 (7) 5 (21) < 0.05 Mean survival (days) ±SD 8 ± 8 14 ± 10 ns Death within eight years (%) 26 (29) 9 (39) ns Mean survival (months) ±SD 33 ± 27 40 ± 33 ns Subendocardial Ml (%) 58 (20) 20 (27) ns Age (years) ±SD 55 ± 6 59 ± 4 ns Cardiac arrest (%) 5 (9) 1 (5) ns 28 days mortality (%) 5 (9) 2 (11) ns Mean survival (days) ±SD 4 ± 6 9 ± 5 ns Death within eight years (%) 21 (36) 7 (38) ns Mean survival (months) ±SD 37 ± 25 35 ± 31 ns Unspecified Ml (%) 50 (17) 14 (19) ns Age (years) ±SD 55 ± 7 56 ± 7 ns Cardiac arrest (%) 6 (12) 1 (7) ns 28 days mortality (%) 10 (20) 1 (7) ns Mean survival (days) ±SD 1 ± 2 0 ns Death within eight years (%) 24 (47) 2 (14) < 0.06 Mean survival (months) ±SD 35 ± 27 37 ± 28 ns SD = standard deviation ns = not significant í töflu II kemur einnig fram að nokkuð hærri dánartíðni innan 28 daga (15%) er meðal karla með áverka á framvegg hjartans en karla með áverka á undirvegg (7%) eða áverka undir hjartaþeli (9%), þótt þessi munur næði ekki tölfræðilega marktækum gildum. Karlar með kransæðastíflu og áverka á undirvegg hafa þó marktækt (p<0,02) betri horfur en þeir sem reyndust með ótilgreindar breytingar á hjarta- riti þar sem 20% létust innan 28 daga. Sjúkling- ar með greinrof við bráða kransæðastíflu hafa greinilega hæstu dánartíðnina (43%) (p<0,02) enda er sennilegt að flestir þeirra hafi í raun áverka á framvegg og reiknaðist þá 28 daga dánartíðnin 17% væru þessi sjö tilfelli talin sem slík. Dánartíðni kvenna innan 28 daga frá byrj- un kransæðastíflu reyndist óverulega hærri en hjá körlum, en ntunurinn á körlum og konum með áverka á undirvegg reyndist þó marktæk- u/l 2000 1500 1000 500 0 Anterior inf. Inferior inf. Subendocardial inf. Fig. 1. Cardiac enzymes in anterior, inferior and suben- docardial infarct. (Bars sliow mean values and standard error of tlte mean (+/-) is given by a numerical value; u/l=units per litre).
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