Risk Factors Affecting to Perinatal Asphyxia in Faculty of Medicine Vajira Hospital

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Kannikar Booranavanich
Krit Cheawcharnprapan

Abstract

Objective: To determine risk factors related to the mother, labor and newborn toward the occurrence rate of perinatal asphyxia in the Faculty of Medicine Vajira Hospital.


Study design: Case control study.


Methods: The sample group covered 450 subjects of life birth newborns divided into study group of 150 subjects (apgar score at 1 minute was 7) and control group of 300 subjects (apgar score at minute more than 7) (ratio 1:2).


Results: There were 5 risk factors associated with perinatal asphyxia including placenta previa[Odds Ratio(OR) 4.54, 95% CI 2.961-6.973], birth weight less than 2,500 grams (OR 3.20, 95% CI 2.156-5.227), fetal distress (OR 3.11, 95% CI 2.041-4.741), mother younger than 20 years old (OR 2.51, 95% CI 1.252-5.024) and gestational age less than 34 weeks (OR 2.07, 95% CI 1.758-4.612).


Conclusion: According to the study, there were 5 risk factors associated with perinatal asphyxia that difficult to changing or prevention. However, knowing the newborn at risk of perinatal asphyxia is useful to prepare an appropriate neonatal resuscitation.

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