Analysis of the Mortality Rate of Extremely Low Birth Weight Newborns in 1993 - 1997 in theCzech Republic

Authors: R. Plavka
Authors‘ workplace: Gynekologicko-porodnická klinika VFN a 1. LF UK, Praha, přednosta prof. MUDr. J. Živný, DrSc.
Published in: Čes-slov Pediat 1999; (11): 636-643.


The author evaluates the neonatal mortality rate of extremely low birth weight newbor ns (ELBWN) during1993 - 1997 in the Czech Republic. Despite the declining birth rate the absolute number of ELBWN increasedslightly and this corresponds to the increased incidence of these neonates. The incidence of ELBWN increased from0.27% in 1993 to 0.38% in 1997. The decline of the specific neonatal mortality rate (SNMR) without congenitaldefects (CD) of ELBWN (63% in 1993 vs. 35% in 1997) was due in particular to a marked decline of the earlyspecific neonatal mortality rate (ESNMR) of ELBWBN. Late specific neonatal mortality rate (LSNMR) ansspecific infant mortality rate of these newborns increased slightly during this period. However, this did not affectfundamentally the general trend of declining mortality rate of ELBWN. The number of ELBWN discharged fromhospital during this period almost doubled (111 in 1993 vs. 200 in 1997). The main causes of mortality of theseneonates during the early period are still intraventricular hemorrhage grade III. - IV., and during the late periodinfections. Based on the knowledge of causes of death and their pathogenesis these death can be reduced in thenear future. In 1997 a 79% concentration of ELBWN was achieved to perinatological centres by transport of thefoetuses in utero. In the conclusion the author draws attention to organizational m easures in the Czech Republic.The results of the mortality rate achieved in 1997 are comparable with leading developed countries. They revealthe necessity and accentuate the urgency of solving the problem of morbidity and long term development ofELBWN in the Czech Republic.

Key words:
specific neonatal mortality rate (SNMR), extremely low birth weight newborns (ELBWN)

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