Publicaciones científicas

Perinatal outcome and long-term follow-up of extremely low birth weight infants depending on the mode of delivery

07-mar-2011 | Revista: The Journal of Materno-Fatal & Neonatal Medicine

Minguez-Milio JA, Alcázar JL, Aubá M, Ruiz-Zambrana A, Minguez J.
Department of Obstetrics and Gynecology, Clínica Universitaria de Navarra, Pamplona, Spain


Objective
To assess the effect of the mode of delivery (vaginal or cesarean section) on survival, morbidity, and long-term psychomotor development of extremely low birth weight (ELBW) infants.

Methods
A longitudinal observational study including 138 ELBW infants (73 born by c-section and 65 vaginally) was conducted. We analyzed the survival and short-term morbidity. We also studied the long-term neurocognitive and motor development using the McCarthy Scales of Children's Abilities (MSCA).

Results
Mortality was significantly higher in newborns delivered vaginally (49.3%) than those delivered by c-section (23.1%). Newborns delivered vaginally had a higher incidence of retinopathy and peri-intraventricular hemorrhage (P-IVH). Children who died had lower gestational age at birth and lower birth weight. After multivariate analysis only birth weight, gestational age at birth and P-IVH were independently associated to mortality. Regarding the long-term evaluation (MSCA), we observed that children born by c-section had lower incidence of abnormal results.

Conclusions
The mode of delivery does not affect survival. Cesarean section provides lower morbidity and better prognosis for neurodevelopment long-term outcome in ELBW infants.

CITA DEL ARTÍCULO  J Matern Fetal Neonatal Med. 2011 Mar 7

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