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Maternal Speech Decreases Pain Scores and Increases Oxytocin Levels in Preterm Infants During Painful Procedures

18. Februar 2021 aktualisiert von: Manuela Filippa, University of Geneva, Switzerland
Preterm infants undergo early separation from parents and are exposed to frequent painful clinical procedures, with resultant short- and long-term effects on their neurodevelopment. We aimed to establish whether the mother's voice could provide an effective and safe analgesia for preterm infants and whether endogenous oxytocin (OXT) could be linked to pain modulation. Twenty preterm infants were exposed to three conditions-mother's live voice (speaking or singing) and standard care-in random order during a painful procedure. OXT levels (pg/mL) in saliva and plasma cortisol levels were quantified, and the Premature Infant Pain Profile (PIPP) was blindly coded by trained psychologists.

Studienübersicht

Detaillierte Beschreibung

Preterm birth rates are continuously increasing in almost all countries, with 15 million premature infants being born every year worldwide1. Despite rapid advances in technology, the number of preterm-born children who show short- and long-term sequelae of prematurity, even before reaching school age, remains high. Around 40% of low birth weight preterm infants experience a complex spectrum of unfavourable neurodevelopmental outcomes when compared with their pairs at term. Thus, prematurity is of great concern for health policies in both low- and high-income countries. The impaired development of preterm infants is not only associated with medical factors, but it is also at least partly a consequence of the atypical early-life environment of these infants, including exposure to pain and separation from the primary caregivers.

The aim of the present work was first, to assess whether early closeness with parents during essential but painful clinical procedures could have a positive role in pain modulation in preterm infants, thus contributing to the universal right to pain relief. Second, we aimed to investigate the possible role of the oxytocinergic system in this putative pain modulation through maternal vocal contact.

In the present protocol, we introduce the effects of separation and early pain exposure as two environmental factors that are even more deleterious when concomitant, inducing short- and long-term problems in the preterm infant's development. We then suggest that there are protective effects of early closeness between parents and preterm infants in early care and, more specifically, of early vocal contact between parents and preterm infants during hospitalisation. Lastly, we discuss the role of oxytocin (OXT) as a crucial biomarker for attachment processes and in relation to brain inflammation due to stressful procedures for preterm infants in the neonatal intensive care unit (NICU).

Studientyp

Interventionell

Einschreibung (Tatsächlich)

20

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

      • Geneva, Schweiz, 1205
        • University of Geneva

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

6 Monate bis 8 Monate (Kind)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • age >29 weeks gestational age at birth,
  • weight >1000 g
  • stable medical condition (absence of mechanical ventilation, no additional oxygen)

Exclusion Criteria:

For infants

  • no specific pathological conditions
  • no genetic abnormalities

For mothers

  • history of substance abuse
  • mental health problems

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Unterstützende Pflege
  • Zuteilung: Zufällig
  • Interventionsmodell: Crossover-Aufgabe
  • Maskierung: Single

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Maternal speech
During the intervention, mothers were asked to speak to their preterm infants in the incubators for 5 min preceding the heel prick procedure and for the subsequent 5 min.
In both intervention conditions, speaking and singing, the mothers were asked not to touch the baby but to pay close attention to his/her reactions and to modulate the voice accordingly. A nurse was present during all procedures.
Experimental: Maternal singing
During the intervention, mothers were asked to sing to their preterm infants in the incubators for 5 min preceding the heel prick procedure and for the subsequent 5 min.
In both intervention conditions, speaking and singing, the mothers were asked not to touch the baby but to pay close attention to his/her reactions and to modulate the voice accordingly. A nurse was present during all procedures.
Aktiver Komparator: Standard care
During the control condition (without the mother), the newborn was placed by the nurse in the incubator in the standard care conditions recommended for painful procedures (supine position, wrapped and contained by the nest).
the newborn was placed by the nurse in the incubator in the standard care conditions recommended for painful procedures (supine position, wrapped and contained by the nest).

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
pain score
Zeitfenster: Immediately after the procedure
The PIPP-R score is a cluster of physiological and behavioural measures. Physiological assessment was calculated on the heart rate and oxygen saturation levels as collected from the patient monitor by the researcher. Inter-rater reliability was assessed by three independent coders: expert coders 1 and 2 performed blinded ratings from offline muted videos and digitally recorded physiological parameters, whereas coder 3 was a trained nurse and performed a direct online rating of the scores. Higher levels of pain scores indicate higher levels of pain
Immediately after the procedure
oxytocin levels
Zeitfenster: Pre procedure
Early relational experiences can persistently affect social behaviours by modifying the oxytocin system and endogenous oxytocin regulation is a potential protective mechanism for early pain perception. Higher levels of oxytocin can indicate better pain protection.
Pre procedure
oxytocin levels
Zeitfenster: Immediately after the procedure
Early relational experiences can persistently affect social behaviours by modifying the oxytocin system and endogenous oxytocin regulation is a potential protective mechanism for early pain perception. Higher levels of oxytocin can indicate better pain protection.
Immediately after the procedure

Mitarbeiter und Ermittler

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Ermittler

  • Studienleiter: Didier M Grandjean, Professor, University of Geneva

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

7. März 2018

Primärer Abschluss (Tatsächlich)

15. Mai 2019

Studienabschluss (Tatsächlich)

1. Juli 2020

Studienanmeldedaten

Zuerst eingereicht

13. Februar 2021

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

18. Februar 2021

Zuerst gepostet (Tatsächlich)

21. Februar 2021

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

21. Februar 2021

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

18. Februar 2021

Zuletzt verifiziert

1. Februar 2021

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

Nein

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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