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The auditory evoked potential in premature small for gestational age infants

Korean Journal of Pediatrics 2006;49(12):1308-1314.
Published online December 15, 2006.
The auditory evoked potential in premature small for gestational age infants
Il Hong Moon1, Kee Soo Ha1, Gui Sang Kim2, Byung Min Choi1, Baik-Lin Eun1, Kee Hwan Yoo1, Young Sook Hong1, Joo Won Lee1
1Departments of Pediatrics, Rehabiliitation Medicine*, College of Medicine, Korea University Seoul, K
2Departments of Pediatrics, Rehabiliitation Medicine*, College of Medicine, Korea University Seoul, K
미숙아로 태어난 부당 경량아의 청각유발전위검사
문일홍1, 하기수1, 김귀상2, 최병민1, 은백린1, 유기환1, 홍영숙1, 이주원1
1고려대학교 의과대학 소아과학교실
2고려대학교 의과대학 재활의학과교실
Correspondence: 
Young Sook Hong, Email: yshong23@hanmail.net
Abstract
Purpose
: This study aimed to evaluate the usefulness of auditory evoked potential (AEP) in clarifying neuronal development in premature small for gestational age (SGA), and appropriate for gestational age (AGA) infants.
Methods
: A total of 183 premature infants who were born from August 2002 to July 2005, were examined with AEP. They were divided into three groups; AGA, symmetric-SGA and asymmetric- SGA group.
Results
: Statistically significant differences in the head circumference were observed in three groups. Among the risk factors, prevalence of hypoglycemia and hypoalbuminemia between AGA and asymmetric SGA infants were significantly different. V absolute peak latency (APL) in the right side of AGA infants was delayed were than that of asymmetric SGA infants. III-V interpeak latency (IPL) of asymmetric SGA infants was delayed more than that of symmetric SGA infants. Moreover, I-V IPL on both sides of symmetric SGA infants was shortened more than that of AGA infants. However, all the results of AEP were within the reference range, according to gestational age. Birth weight of, only asymmetric SGA, was related to the III APL on both sides and the III-V IPL on right side.
Conclusion
: This study shows that the values of APL and IPL of premature SGA infants are different than that of premature AGA infants. These data could be an indicator in evaluating the neurologic functions of small for gestational age infants.
Key Words: Auditory evoked potentials , Infant , Small for gestational age


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