• Pedro Teodoro Carlstron, Marina Nóbrega Augusto, Alberto Borges Peixoto, Edward Araujo Júnior, Nathalia Mello, Rosiane Mattar, and Sue Yazaki Sun.
• Universidade Federal de São Paulo, Paulista School of Medicine, Department of Obstetrics - São Paulo (SP), Brazil.
• Rev Assoc Med Bras (1992). 2024 Jan 1; 70 (7): e20231525e20231525.

ObjectiveThe aim of this study was to evaluate the impact of therapeutic hypothermia on maternal and perinatal outcomes in newborns with Apgar score<7 at the 5th min.MethodsA retrospective cohort study was carried out with 55 newborns who had an Apgar score<7 at the 5th min (35 without and 20 with therapeutic hypothermia) from low-risk pregnancies between 33 and 41 weeks gestation. The Apgar score was calculated through an objective assessment by a neonatologist in the delivery room. Therapeutic hypothermia was indicated by a neonatologist in the delivery room, according to the protocol established by the Brazilian Society of Pediatrics. The maternal and perinatal outcomes of both groups (without and with therapeutic hypothermia) were compared.ResultsA rate of Apgar score<7 at the 5th min was 1.02%. No statistical differences were observed between the two groups (without and with therapeutic hypothermia) regarding maternal/perinatal complications. The presence of maternal/perinatal complications did not increase the odds ratio of neonatal therapeutic hypothermia in newborns with Apgar score<7 at the 5th min.ConclusionThe rate of Apgar score<7 at the 5th min was low, and it was not associated with any maternal/perinatal complications. There was no significant difference in maternal/perinatal complications between newborns who received therapeutic hypothermia and those who did not.

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