Association of uncoordinated sucking pattern with developmental outcome in premature infants: a retrospective analysis

Abstract Background Stress signals during sucking activity such as nasal flaring, head turning, and extraneous movements of the body have been attributed to incoordination of sucking, swallowing, and respiration (SSR) in premature infants. However, the association of uncoordinated sucking pattern wi...

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Main Authors: You Gyoung Yi, Byung-Mo Oh, Seung Han Shin, Jin Yong Shin, Ee-Kyung Kim, Hyung-Ik Shin
Format: Article
Language:English
Published: BMC 2019-11-01
Series:BMC Pediatrics
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12887-019-1811-1
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author You Gyoung Yi
Byung-Mo Oh
Seung Han Shin
Jin Yong Shin
Ee-Kyung Kim
Hyung-Ik Shin
author_facet You Gyoung Yi
Byung-Mo Oh
Seung Han Shin
Jin Yong Shin
Ee-Kyung Kim
Hyung-Ik Shin
author_sort You Gyoung Yi
collection DOAJ
description Abstract Background Stress signals during sucking activity such as nasal flaring, head turning, and extraneous movements of the body have been attributed to incoordination of sucking, swallowing, and respiration (SSR) in premature infants. However, the association of uncoordinated sucking pattern with developmental outcomes has not yet been investigated. The aim of this study was to investigate whether uncoordinated sucking pattern during bottle-feeding in premature infants is associated with the developmental outcomes at 8–12 and 18–24 months of age (corrected for prematurity). Methods We retrospectively reviewed the medical records and video recordings for the Neonatal Oral-Motor Assessment Scale (NOMAS) of premature infants and divided them into two groups based on the presence or absence of incoordination. The Bayley-III cognition composite scores of the incoordination-positive and incoordination-negative group were compared at 8–12 and 18–24 months of age. Results Seventy premature infants exhibited a disorganized sucking pattern according to the NOMAS. The average Bayley-III cognition composite scores at 8–12 months of age were 92.5 ± 15.6 and 103.0 ± 11.3 for the incoordination-positive (n = 22) and incoordination-negative groups (n = 48), respectively (p = 0.002). The average Bayley-III cognition composite scores at 18–24 months were 90.0 ± 17.9 and 100.7 ± 11.5 for the incoordination-positive (n = 21) and incoordination-negative groups (n = 46), respectively (p = 0.005). A multiple linear regression analysis indicated that the presence of uncoordinated sucking pattern, grade 3 or 4 germinal matrix hemorrhage–intraventricular hemorrhage, and moderate to severe bronchopulmonary dysplasia were independently associated with cognitive development at 18–24 months of age. Conclusions Uncoordinated sucking pattern in premature infants was independently associated with a higher risk of abnormal developmental outcome in the cognitive domain of the Bayley-III at both 8–12 and 18–24 months. There may be a need for periodic follow-up and early intervention for developmental delay when incoordination of SSR that results in stress signals on the NOMAS is observed before 40 weeks postmenstrual age.
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spelling doaj.art-df395e0af1ca4a76bb832510899afad12022-12-22T00:42:03ZengBMCBMC Pediatrics1471-24312019-11-011911710.1186/s12887-019-1811-1Association of uncoordinated sucking pattern with developmental outcome in premature infants: a retrospective analysisYou Gyoung Yi0Byung-Mo Oh1Seung Han Shin2Jin Yong Shin3Ee-Kyung Kim4Hyung-Ik Shin5Department of Rehabilitation Medicine, Seoul National University Hospital, Seoul National University College of MedicineDepartment of Rehabilitation Medicine, Seoul National University Hospital, Seoul National University College of MedicineDivision of Neonatology, Department of Pediatrics, Seoul National University Children’s HospitalDivision of Occupational Therapy, Department of Rehabilitation Medicine, Seoul National University Boramae Medical CenterDivision of Neonatology, Department of Pediatrics, Seoul National University Children’s HospitalDepartment of Rehabilitation Medicine, Seoul National University Hospital, Seoul National University College of MedicineAbstract Background Stress signals during sucking activity such as nasal flaring, head turning, and extraneous movements of the body have been attributed to incoordination of sucking, swallowing, and respiration (SSR) in premature infants. However, the association of uncoordinated sucking pattern with developmental outcomes has not yet been investigated. The aim of this study was to investigate whether uncoordinated sucking pattern during bottle-feeding in premature infants is associated with the developmental outcomes at 8–12 and 18–24 months of age (corrected for prematurity). Methods We retrospectively reviewed the medical records and video recordings for the Neonatal Oral-Motor Assessment Scale (NOMAS) of premature infants and divided them into two groups based on the presence or absence of incoordination. The Bayley-III cognition composite scores of the incoordination-positive and incoordination-negative group were compared at 8–12 and 18–24 months of age. Results Seventy premature infants exhibited a disorganized sucking pattern according to the NOMAS. The average Bayley-III cognition composite scores at 8–12 months of age were 92.5 ± 15.6 and 103.0 ± 11.3 for the incoordination-positive (n = 22) and incoordination-negative groups (n = 48), respectively (p = 0.002). The average Bayley-III cognition composite scores at 18–24 months were 90.0 ± 17.9 and 100.7 ± 11.5 for the incoordination-positive (n = 21) and incoordination-negative groups (n = 46), respectively (p = 0.005). A multiple linear regression analysis indicated that the presence of uncoordinated sucking pattern, grade 3 or 4 germinal matrix hemorrhage–intraventricular hemorrhage, and moderate to severe bronchopulmonary dysplasia were independently associated with cognitive development at 18–24 months of age. Conclusions Uncoordinated sucking pattern in premature infants was independently associated with a higher risk of abnormal developmental outcome in the cognitive domain of the Bayley-III at both 8–12 and 18–24 months. There may be a need for periodic follow-up and early intervention for developmental delay when incoordination of SSR that results in stress signals on the NOMAS is observed before 40 weeks postmenstrual age.http://link.springer.com/article/10.1186/s12887-019-1811-1Premature infantFeeding behaviorNeonatal Oral-motor assessment scaleNeurodevelopment
spellingShingle You Gyoung Yi
Byung-Mo Oh
Seung Han Shin
Jin Yong Shin
Ee-Kyung Kim
Hyung-Ik Shin
Association of uncoordinated sucking pattern with developmental outcome in premature infants: a retrospective analysis
BMC Pediatrics
Premature infant
Feeding behavior
Neonatal Oral-motor assessment scale
Neurodevelopment
title Association of uncoordinated sucking pattern with developmental outcome in premature infants: a retrospective analysis
title_full Association of uncoordinated sucking pattern with developmental outcome in premature infants: a retrospective analysis
title_fullStr Association of uncoordinated sucking pattern with developmental outcome in premature infants: a retrospective analysis
title_full_unstemmed Association of uncoordinated sucking pattern with developmental outcome in premature infants: a retrospective analysis
title_short Association of uncoordinated sucking pattern with developmental outcome in premature infants: a retrospective analysis
title_sort association of uncoordinated sucking pattern with developmental outcome in premature infants a retrospective analysis
topic Premature infant
Feeding behavior
Neonatal Oral-motor assessment scale
Neurodevelopment
url http://link.springer.com/article/10.1186/s12887-019-1811-1
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