A comparison of objective and subjective measurements of non-nutritive sucking in preterm infants

  • Luh Karunia Wahyuni FKUI-RSCM
  • Irawan Mangunatmadja RSM-FKUI
  • Risma Kerina Kaban RSCM-FKUI
  • Elvie Zulka Kautzia Rachmawati RSCM-FKUI
  • Melinda Harini RSCM-FKUI
  • Budiati Laksmitasari RSCM-FKUI
  • Agatha Geraldyne
  • Inez Ayuwibowo Sangwidjojo
  • Dini Prima Utami
  • Victor Prasetyo Poernomo
  • Adrian Prasetya Sudjono
Keywords: preterm infants, non-nutritive sucking


Background Of preterm infants born before 32 weeks of gestation, 40-70% have atypical and immature feeding skills, which could delay initiation of oral feeding. A formal objective measurement of non-nutritive sucking may increase the accuracy of determining the right time to initiate oral feeding, however, most hospital perinatology care units do not own a suction pressure measurement device to objectively measure non-nutritive sucking parameters.

Objective To compare objective and subjective non-nutritive sucking (NNS) based on sucking pressure, number of suctions per burst, and time between bursts.

Methods One hundred twenty preterm infants born at 28-34 weeks’ gestation were evaluated for objective and subjective NNS. Data were collected from August to November 2021 at five hospitals in Jakarta. Objective NNS was measured by a suction pressure measurement device, while subjective NNS was clinically examined. Number of suctions per burst, sucking pressure, and time between bursts were analysed by Spearman’s correlation test.

Results A positive and significant correlation between objective and subjective NNS was found in all parameters (P<0.001). The highest correlation was found in time between bursts (r=0.74; P<0.001), followed by number of suctions per burst (r=0.60; P<0.001), and sucking pressure (r=0.58; P<0.001).

Conclusion The correlation between objective and subjective NNS examination was moderate in preterm infants. Therefore, an objective NNS measurement is still required for optimizing the examination.


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How to Cite
Wahyuni L, Mangunatmadja I, Kaban R, Rachmawati E, Harini M, Laksmitasari B, Geraldyne A, Sangwidjojo I, Utami D, Poernomo V, Sudjono A. A comparison of objective and subjective measurements of non-nutritive sucking in preterm infants. PI [Internet]. 26Aug.2022 [cited 25Feb.2024];62(4):274-1. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2936
Received 2022-01-09
Accepted 2022-08-26
Published 2022-08-26