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. 2015 Aug;25(4):e2006.
doi: 10.5812/ijp.2006. Epub 2015 Aug 24.

Assessment of Risk Factors and Prognosis in Asphyxiated Infants

Hassan Boskabadi  1 , Farah Ashrafzadeh  1 , Hassan Doosti  2 , Maryam Zakerihamidi  3
Affiliations

Assessment of Risk Factors and Prognosis in Asphyxiated Infants

Hassan Boskabadi et al. Iran J Pediatr. 2015 Aug.

Abstract

Background: Asphyxia is considered an important cause of morbidity and mortality in neonates. This condition can affect many vital organs including the central nervous system and may eventually lead to death or developmental disorders.

Objectives: Considering the high prevalence of asphyxia and its adverse consequences, the present study was conducted to evaluate the risk factors for birth asphyxia and assess their correlation with prognosis in asphyxiated infants.

Patients and methods: This two-year follow-up cohort study was conducted on 260 infants (110 asphyxiated infants and 150 healthy neonates) at Mashhad Ghaem Hospital during 2007 - 2014. Data collection tools consisted of a researcher-designed questionnaire including maternal and neonatal information and clinical/laboratory test results. The subjects were followed-up, using Denver II test for 6, 12, 18, and 24 months (after discharge). For data analysis, t-test was performed, using SPSS version 16.5. P value ≤ 0.05 was considered statistically significant.

Results: Of 260 neonates, 199 (76.5%) and 61 (23.5%) cases presented with normal neonatal outcomes and with abnormal neonatal outcomes (developmental delay), respectively. Variables such as the severity of asphyxia (P = 0.000), five-minute Apgar score (P = 0.015), need for ventilation (P = 0.000), and severity of acidosis at birth (P = 0.001) were the major prognostic factors in infants with asphyxia. Additionally, prognosis was significantly poorer in boys and infants with dystocia history (P = 0.000).

Conclusions: Prevalence of risk factors for developmental delay including the severity of asphyxia need for mechanical ventilation, and severity of acidosis at birth, dystocia, and Apgar score were lower in surviving infants; therefore, controlling these risk factors may reduce asphyxia-associated complications.

Keywords: Asphyxia; Denver II Test; Hypoxic-Ischemia Encephalopathy; Neonatal; Risk Factors.

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