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J Pediatr. 2012 Aug;161(2):222-8.e3. doi: 10.1016/j.jpeds.2012.01.057. Epub 2012 Mar 14.

Are outcomes of extremely preterm infants improving? Impact of Bayley assessment on outcomes.

Collaborators (204)

Oh W, Laptook AR, Hensman AM, Alksninis B, Andrews D, Angela K, Cashore B, Francis K, Gargus RA, Gingras D, Lainwala S, Leach TM, Leonard MR, Moore JR, Noel L, Walden RV, Watson VE, Walsh MC, Fanaroff AA, Newman NS, Siner BS, Friedman HG, Schibler K, Donovan EF, Steichen JJ, Bridges K, Alexander B, Grisby C, Mincey HL, Hessling J, Gratton TL, Mersmann MW, Goldberg RN, Cotten C, Malcolm WF, Ashley P, Auten KJ, Fisher KA, Foy KA, Grimes S, Gustafson KE, Lohmeyer MB, Stoll BJ, Carlton DP, Hale EC, Carter S, LaRossa MM, Higgins RD, Archer SW, Frantz ID 3rd, Fiascone JM, MacKinnon BL, Nylen E, Furey A, Poindexter BB, Lemons JA, Herron DE, Wilson LD, Bissey J, Cook AB, Hamer F, Lytle C, Minnich HM, Poole W, Wallace D, Auman JO, Cunningham M, Irene AR, Newman JE, Huitema CM, Pickett JW 2nd, Schaefer SE, Zaterka-Baxter KM, Van Meurs KP, Stevenson DK, Ball M, Adams MM, Baran JM, Brudos GK, DeAnda ME, DeBattista AM, Kohn JG, Pyle RP, Carlo WA, Ambalavanan N, Soong A, Collins MV, Cosby SS, Phillips VA, Bailey KJ, Biasini FJ, Chopko SA, Johnston KC, Nelson KG, Patterson CS, Rector RV, Whitley S, Finer NN, Rasmussen MR, Wozniak PR, Fuller MG, Arnell K, Bridge R, Demetrio C, Posin D, Rich W, Bell EF, Johnson KJ, Eastman DL, Krutzfield NJ, Duara S, Everett-Thomas R, Calejo M, Diaz AN, Eguaras SM, Garcia A, Hamlin-Smith K, Harwood M, Hiriart-Fajardo S, Mathews EO, Pierre H, Riguard A, Stroerger A, Watterberg KL, Ohls RK, Lacy CB, Lowe J, Montman R, Phelps DL, Reubens LJ, Burnell E, Johnson JB, Horihan CA, Hust D, Jensen RL, Kushner E, Merzbach J, Zwetsch L, Yost K, Sánchez PJ, Rosenfeld CR, Salhab WA, Guzman A, Hensley G, Miller NA, Heyne E, Madden LA, Adams S, Morgan JS, Boatman CT, Leps MH, Torres LE, Johnson LB, Tyson JE, Kennedy KA, Akpa EG, Alaniz NI, Dieterich S, Green C, Jiminez M, Lis AE, Martin S, McDavid GE, Morris BH, Poundstone M, Reddoch S, Siddiki S, Simmons MC, Tate PL, Wright SL, Faix RG, Yoder BA, Osborne KA, Jensen JJ, Spencer C, Weaver-Lewis K, Strong R, Steffens M, Burnett J, Baker S, O'Shea T, Peters NJ, Peterson C, Waldrep EL, Washburn LK, Welch CD, Morris MW, Wiley G, Shankaran S, Bara R, Muran G, Goldston L, Butler CG, Jacobs H, Cervone P, Gettner P, Greisman S, Konstantino M, Poulsen J, Taft J, Williams J, Close N, Gilliam W, Romano E.

Author information

1
Department of Pediatrics, Women & Infants' Hospital, Brown University, Providence, RI 02905, USA. bvohr@wihri.org

Abstract

OBJECTIVES:

To compare 18- to 22-month cognitive scores and neurodevelopmental impairment (NDI) in 2 time periods using the National Institute of Child Health and Human Development's Neonatal Research Network assessment of extremely low birth weight infants with the Bayley Scales of Infant Development, Second Edition (Bayley II) in 2006-2007 (period 1) and using the Bayley Scales of Infant and Toddler Development, Third Edition (Bayley III), with separate cognitive and language scores, in 2008-2011 (period 2).

STUDY DESIGN:

Scores were compared with bivariate analysis, and regression analyses were run to identify differences in NDI rates.

RESULTS:

Mean Bayley III cognitive scores were 11 points higher than mean Bayley II cognitive scores. The NDI rate was reduced by 70% (from 43% in period 1 to 13% in period 2; P < .0001). Multivariate analyses revealed that Bayley III contributed to a decreased risk of NDI by 5 definitions: cognitive score <70 and <85, cognitive or language score <70; cognitive or motor score <70, and cognitive, language, or motor score <70 (P < .001).

CONCLUSION:

Whether the Bayley III is overestimating cognitive performance or whether it is a more valid assessment of emerging cognitive skills than the Bayley II is uncertain. Because the Bayley III identifies significantly fewer children with disability, it is recommended that all extremely low birth weight infants be offered early intervention services at the time of discharge from the neonatal intensive care unit, and that Bayley scores be interpreted with caution.

PMID:
22421261
PMCID:
PMC3796892
DOI:
10.1016/j.jpeds.2012.01.057
[Indexed for MEDLINE]
Free PMC Article

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