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Risk Factors for Seizures in Very Low Birthweight Infants With Periventricular Leukomalacia

Department of Neonatology, The Edith Wolfson Medical Center, Holon, Israel, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel, kdavid{at}post.tau.ac.il

Rina Shochat, MD

Department of Neonatology, The Edith Wolfson Medical Center, Holon, Israel

Ayala Lusky, MSc

Health Research Unit, Gertner Institute, Tel Hashomer, Israel

Brian Reichman, MBChB

Health Research Unit, Gertner Institute, Tel Hashomer, Israel, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel

This population-based observational study aimed to determine the perinatal factors that were associated with the occurrence of seizures in very low birthweight infants with periventricular leukomalacia. The study sample consisted of 545 infants from the Israel National Very Low Birthweight Infant Database, gestational age 24 to 36 weeks, who survived beyond 28 days of age, in whom a late cranial ultrasonographic examination was performed and in whom periventricular leukomalacia was diagnosed. To evaluate the association between periventricular leukomalacia and confounding variables on the occurrence of seizures, the chi-square test, univariate analysis, and a logistic regression model were used. Of the 545 infants who developed periventricular leukomalacia, 102 (18.7%) had seizures. Significant independent predictors of seizures among these infants were decreasing gestational age, intraventricular hemorrhage, posthemorrhagic hydrocephalus, sepsis, and necrotizing enterocolitis. Infants with both sepsis and necrotizing enterocolitis had a 4.6-fold increased risk of seizures, further suggesting a possible role of infection in the pathogenesis of brain injury in preterm infants. (J Child Neurol 2006;21:965—970; DOI 10.2310/7010.2006.00226).

Journal of Child Neurology, Vol. 21, No. 11, 965-970 (2006)
DOI: 10.1177/08830738060210111301


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