Extremely Low–Birth-Weight Infants Become Normal Adults
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Am Fam Physician. 2006 Jun 1;73(11):2019-2020.
Clinical Question: Do extremely low–birth-weight infants achieve functional adulthood?
Study Design: Cohort (prospective)
Synopsis: Extremely low–birth-weight children and adolescents often exhibit lower measures of cognition, academic achievement, behavior, and social adaptation than normal–birth-weight peers. Extremely low birth weight is defined as a birth weight of less than 2 lb, 3 oz (1,000 g). To determine successful transition to adulthood, the investigators analyzed the results of a prospective, population-based cohort of 166 extremely low–birth-weight participants and 145 sociodemographically comparable normal–birth-weight participants assessed at 22 to 25 years of age.
Interviewers blinded to participant status administered validated questionnaires assessing education, employment, independent living, marital status, and parenthood. Complete follow-up occurred for 90 percent of study participants. Overall, no significant differences were found in attaining an education, getting a job, living independently, getting married, or having children. The age of attainment of these markers was similar for both cohorts.
Bottom Line: Nearly all surviving extremely low–birth-weight children and adolescents overcome early cognitive and social difficulties and reach a functional level comparable with normal–birth-weight peers. (Level of Evidence: 1b)
Saigal S, et al. Transition of extremely low-birth-weight infants from adolescence to young adulthood: comparison with normal birth-weight controls. JAMA. February 8, 2006;295:667–75.
Used with permission from Slawson D. Most extremely lowbirth-weight infants reach functional adulthood. Accessed March 29, 2006, at: http://www.InfoPOEMs.com.
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