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Audiology - Communication Research

versão On-line ISSN 2317-6431

Resumo

ANGRISANI, Rosanna Giaffredo; DINIZ, Edna Maria Albuquerque; AZEVEDO, Marisa Frasson de  e  MATAS, Carla Gentile. The influence of body proportionality on children born small for gestational age: a study of auditory pathway maturation. Audiol., Commun. Res. [online]. 2015, vol.20, n.1, pp.32-39. ISSN 2317-6431.  https://doi.org/10.1590/S2317-64312015000100001524.

Purpose

To monitor the auditory pathway maturation of infants born small for gestational age (SGA), according to body proportionality, in the first six months of life.

Methods

Brainstem auditory-evoked potential (BAEP) was performed during the neonatal period and at six months of life in 59 infants born small for gestational age; among them, 35 were born asymmetrical (SGA-A), and 24 were born symmetrical (SGA-S). The results were compared to those of 59 infants considered appropriate for gestational age (AGA).

Results

The term and pre-term SGA-A and SGA-S infants showed a significant auditory maturation process (progressive decrease of BAEP latencies) from the neonatal period to six months of life. A similar result was observed with the AGA infants. The term and pre-term AGA infants and the SGA-S and SGA-A infants did not differ from each other from an auditory perspective during the six-month period.

Conclusion

The SGA infants with symmetrical and asymmetrical patterns showed auditory maturation, suggesting that the duration of intrauterine injury did not represent a greater risk to hearing.

Palavras-chave : Evoked potentials, Auditory, Brain stem; Hearing; Hearing disorders; Infant; Newborn; Child development.

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