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Boletín médico del Hospital Infantil de México
versión impresa ISSN 1665-1146
Resumen
RENDON-MACIAS, Mario Enrique; DOMINGUEZ-JIMENEZ, Héctor y AGUILAR-ALVAREZ, Yolanda. Suckling behavior at 48 hours of life in low and normal birth weight infants and their growth at 28 days of life. Bol. Med. Hosp. Infant. Mex. [online]. 2012, vol.69, n.5, pp.367-375. ISSN 1665-1146.
Background. Inadequate suction may affect newborn (NB) growth, especially in low birth weight (LBW) infants. The aim of this study was to determine the relationship between suckling efficacy at 48 h of life with neonatal weight gain (WG) in infants exclusively breastfed with normal birth weight (NBW > 2.5 kg) and LBW (≤ 2.5 kg). Methods. We carried out a cohort study in healthy NB rooming with their mothers in hospital. At 45-48 h after birth, prior to discharge and after being weighed, suckling efficacy was assessed using the ECLES scale by a previously trained physician. At 28 days of life, WG was assessed. We included only those infants who continued to be exclusively breastfed. Results. There were 80 NB, 51 (63.7%) with NBW and 29 (36.3%) with LBW; 47 (58.7%) NB with normal suckling (ECLES 39-40), 24 (30%) with mild suckling impairment (ECLES 37-38), and nine NB (11%) with moderate suckling impairment (ECLES 32-36). There was a relationship between WG and suckling efficacy, most noticeable in LBW infants [WG for newborns with NBW and normal suckling = 1169 ± 222 g, mild impairment of suckling = 995 ± 257, and moderate impairment of suckling = 1073 ± 245; for LBW infants and normal suckling = 911 ± 229, mild impairment of suckling = 1010 ± 299, and moderate impairment of suckling = 460 ± 115. ANOVA ECLES* weight F = 3.8, p = 0.04, FECLES = 1.5, p = 0.39 y Fweight = 4.5, p = 0.12]. There were no diferences in parity, gestational age, gender and nipple condition of the mothers among infants, with or without normal suckling. Conclusions. Mild or moderate suckling impairment after 48 h of life was associated with lower weight gain during the neonatal period, especially in LBW infants. Oral stimulation therapy is suggested in these children before discharge and with close follow-up.
Palabras llave : suckling assessment; weight growth; infants; low birth weight.