先天性心脏病流行病学_课件.ppt

Congenital heart malformation: Prevalence, severity, survival, and quality of life;The lowest values/1000 live births;the highest values/ 1000 births;The oldest surveys/ 1000 live births;Recent data / 1000 live births;Prevalence of congenital heart malformation at birth Regional differences/ 1000 live births; Yearly fluctuation in Bohemian data from 1980 through 1989; The prevalence was highest in October, and lowest in December ,June and July. The peak of the prevalence coincided with the epidemics of influenza in early pregnancy 8 and 9 months previously. ;Ratio of boys to girls;Distribution of congenital heart malformation;;Spontaneous closure in 576 of 2092 recognized ventricular Septal defects, accounting for 27.5% of the cases;Critical heart malformation in neonates, ;;Survival in most frequent cardiac malformation ;