l

Lt f Y

IU.1 mm had an angiofrrphic Icfl vcntncular end-diastolic volume of 22X cc/m’. A left venWtlar end-diastolic diameter a aigmficant prcdiclor of death ip < 0.01). Correcting this lcfi ventricular end-diastolic diameter for body ~~~rfw the paixnr budy

area mow

clearly

with ndiameWrof

SKI’WZ

xca

was

explains

the good outcome

IO.1 mm because the

smallest

in the

in

lhis patienl’s

study. This improve this

corrcwion. howvcr. dots not statistically measurcmcnl a5 a predictor of morlahty. rWi!rci/ rnfrc rrnrrfrr.\tfirrw/rr showed considerable overlap berween suwivors and nonsurvivors (Fig. 4). This variable ww nut a predictor of survival. Angiagraphic ventricular w&unes Wig. 51. Lcfl ven!ricular volume dnla were available for review in 17 patients. The mean left ventricular end-diastolic volume index in the surwvor~ (43 ccfm’l was greater than that in lhe nonsurvivort III cc/m”) Lp < O.uOIt. In Ihe group with meutured vohimc~. all of the swwxs had a lctl venuicular cnddiastolic volume index >?O cc/m’ and an ahsolute end-

diastohc

volume

>4.5

had a left ventricular

cc (Fig.

51. Three

of the swvivors

end-diastolic volume index of 20 to

?S cc/m’: no patient wilh a measured index ~20 cc/m’ (n = 5) survivedand an index 120 cc/m’ was a significant predictor of death (p < 0.01). There was no difference in the angqraphically

delermined

ejection

fraction

between

the

groups. There dala arc Gnilar to those previously reported. which included patients 56 momhs of age IQ. Echocardiagrsphic eslimate of left ventricular volume (Fig. 61. In comparing the two-dimensional echocardiographic area meawremcnts and angiographic left ventricular volumes in patienls wth both of these measuretncnts available, a wry good currclalion i% obtained by using the log of the left ventricular end-diastolic volume lr = 0.97). There is also a eood correlalion tr = 0.94) when linear regression is used. A comparison of M-mode left ventricular end.diasw!ic diameler and log of the left ventricular end-diaalolic volume was albo performed. This showed a slightly paorer correlation coefficient of 0.88 and a wdcr scatter. Patients