Akihito Takeuchi1, Takashi Yorifuji2, Kazue Nakamura3, Kei Tamai3, Shigehiro Mori3, Makoto Nakamura3, Misao Kageyama3, Toshihide Kubo4, Tatsuya Ogino5, Katsuhiro Kobayashi6, Hiroyuki Doi7. 1. Department of Neonatology, Okayama Medical Center, National Hospital Organization, Okayama, Japan. Electronic address: gmd18025@s.okayama-u.ac.jp. 2. Department of Human Ecology, Okayama University Graduate School of Environmental and Life Science, Okayama, Japan. 3. Department of Neonatology, Okayama Medical Center, National Hospital Organization, Okayama, Japan. 4. Department of Pediatrics, Okayama Medical Center, National Hospital Organization, Okayama, Japan. 5. Department of Children Studies, Faculty of Children Studies, Chugokugakuen University, Okayama, Japan. 6. Department of Child Neurology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan. 7. Department of Epidemiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
Abstract
OBJECTIVE: To examine the relationship between catch-up growth of full-term, small for gestational age (SGA) children and their neurobehavioral development. STUDY DESIGN: Data were obtained from a population-based nationwide Japanese longitudinal survey that started in 2001. Study participants were full-term children with information on height at 2 years of age (n = 32 533). Catch-up growth for SGA infants was defined as achieving a height at 2 years of age of more than -2.0 standard deviations for chronological age. Logistic regression analyses were used to estimate ORs and 95% CIs for the associations of SGA and catch-up growth status with neurobehavioral development at 2.5 and 8 years of age, adjusting for potential infant- and parent-related confounding factors. RESULTS: Fifteen percent of term SGA infants failed to catch up in height. At 2.5 years of age, SGA children without catch-up growth were more likely to be unable to climb stairs (OR, 10.42; 95% CI, 5.55-19.56) and unable to compose a 2-word sentence (OR, 3.58; 95% CI, 1.81-7.08) compared with children with normal growth at birth. Furthermore, SGA children without catch-up growth were at increased risk for aggressive behaviors (OR, 3.85; 95% CI, 1.19-12.47) at 8 years of age. CONCLUSIONS: Continuous follow-up for full-term SGA infants with failure of catch-up growth or poor postnatal growth may be beneficial for early detection and intervention for behavioral problems.
OBJECTIVE: To examine the relationship between catch-up growth of full-term, small for gestational age (SGA) children and their neurobehavioral development. STUDY DESIGN: Data were obtained from a population-based nationwide Japanese longitudinal survey that started in 2001. Study participants were full-term children with information on height at 2 years of age (n = 32 533). Catch-up growth for SGA infants was defined as achieving a height at 2 years of age of more than -2.0 standard deviations for chronological age. Logistic regression analyses were used to estimate ORs and 95% CIs for the associations of SGA and catch-up growth status with neurobehavioral development at 2.5 and 8 years of age, adjusting for potential infant- and parent-related confounding factors. RESULTS: Fifteen percent of term SGA infants failed to catch up in height. At 2.5 years of age, SGA children without catch-up growth were more likely to be unable to climb stairs (OR, 10.42; 95% CI, 5.55-19.56) and unable to compose a 2-word sentence (OR, 3.58; 95% CI, 1.81-7.08) compared with children with normal growth at birth. Furthermore, SGA children without catch-up growth were at increased risk for aggressive behaviors (OR, 3.85; 95% CI, 1.19-12.47) at 8 years of age. CONCLUSIONS: Continuous follow-up for full-term SGA infants with failure of catch-up growth or poor postnatal growth may be beneficial for early detection and intervention for behavioral problems.
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