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. 2018 Oct;61(10):322-326.
doi: 10.3345/kjp.2017.05939. Epub 2018 Sep 16.

Evaluation of prolonged pain in preterm infants with pneumothorax using heart rate variability analysis and EDIN (Échelle Douleur Inconfort Nouveau-Né, neonatal pain and discomfort scale) scores

Mehmet Buyuktiryaki  1 , Nurdan Uras  1 , Nilufer Okur  1 , Mehmet Yekta Oncel  2 , Gulsum Kadioglu Simsek  1 , Sehribanu Ozluer Isik  1 , Serife Suna Oguz  1
Affiliations

Evaluation of prolonged pain in preterm infants with pneumothorax using heart rate variability analysis and EDIN (Échelle Douleur Inconfort Nouveau-Né, neonatal pain and discomfort scale) scores

Mehmet Buyuktiryaki et al. Korean J Pediatr. 2018 Oct.

Abstract

Purpose: The EDIN scale (Échelle Douleur Inconfort Nouveau-Né, neonatal pain and discomfort scale) and heart rate variability has been used for the evaluation of prolonged pain. The aim of our study was to assess the value of the newborn infant parasympathetic evaluation (NIPE) index and EDIN scale for the evaluation of prolonged pain in preterm infants with chest tube placement due to pneumothorax.

Methods: This prospective observational study assessed prolonged pain in preterm infants with a gestational age between 33 and 35 weeks undergoing installation of chest tubes. Prolonged pain was assessed using the EDIN scale and NIPE index.

Results: There was a significant correlation between the EDIN scale and NIPE index (r=-0.590, P=0.003). Prolonged pain is significantly more severe in the first 6 hours following chest tube installation (NIPE index: 60 [50-86] vs. 68 [45-89], P<0.002; EDIN score: 8 [7-11] vs. 6 [4-8], P<0.001).

Conclusion: Prolonged pain can be accurately assessed with the EDIN scale and NIPE index. However, evaluation with the EDIN scale is time-consuming. The NIPE index can provide instantaneous assessment of prolonged and continuous pain.

Keywords: Heart rate variability; Infant; Pain; Pain measurement; Premature.

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Conflict of interest statement

No potential conflict of interest relevant to this article was reported.

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Study population.
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