Volume 20, Issue 1, Page 46 - January/February 2000

Journal of Perinatology

January/February 2000, Volume 20, Issue 1, Pages 46 - 53

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Current Concepts

Gastrointestinal Function and Growth in Premature Infants: Is Non-Nutritive Sucking Vital?
Shahirose S. Premji, PhD¹ & Bosco Paes, MD, FRCP(I), FRCP(C)^2,3
¹Hamilton Health Sciences Corporation (S. S. P.), Children’s Hospital Neonatal Unit - 4G McMaster University Medical Centre, Hamilton, Ontario, Canada; ²Department of Neonatology (B. P.), St. Joseph’s Hospital, Ontario, Canada; ³Department of Pediatrics (Neonatal Division) (B. P.), Hamilton Health Sciences Corporation, Children’s Hospital - McMaster University Medical Centre, Hamilton, Ontario, Canada.

Correspondence to: Shahirose S. Premji, PhD, Hamilton Health Sciences Corporation, Children’s Hospital Neonatal Unit - 4G McMaster University Medical Centre, 1200 Main Street West, Hamilton, Ontario, Canada L8N 3Z5.

Abstract

OBJECTIVE:
To determine the importance of non-nutritive sucking (NNS) in the development of gastrointestinal function and growth in premature infants.
DATA SOURCES:
A systematic computerized search of MEDLINE, the Cumulative Index of Nursing in Allied Health Literature, Health, Best Evidence, and the Cochrane Library was performed.
STUDY SELECTION:
The search yielded eight randomized controlled studies relative to the outcomes of interest: sucking response, gastric emptying, weight gain, and time to discharge from hospital.
DATA EXTRACTION:
Relevant articles were selected using published criteria for detecting clinically sound studies and evidence-based information.
DATA SYNTHESIS:
NNS reduces length of hospitalization; however, its effect on the other variables was inconclusive.
CONCLUSION: There is a lack of agreement concerning the outcomes of interest, apart from the positive contribution to early hospital discharge. The studies were methodologically flawed, which compromised validity and estimation of the treatment effect. NNS cannot be currently recommended as a beneficial intervention.