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Meta-Analysis
. 2024 Jan 18;1(1):CD013353.
doi: 10.1002/14651858.CD013353.pub2.

Non-pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated neonates

Sofie Pirlotte  1 , Katrien Beeckman  2 , Isabel Ooms  3 , Filip Cools  1   4   5
Affiliations
Meta-Analysis

Non-pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated neonates

Sofie Pirlotte et al. Cochrane Database Syst Rev. .

Abstract

Background: Pain, when treated inadequately, puts preterm infants at a greater risk of developing clinical and behavioural sequelae because of their immature pain system. Preterm infants in need of intensive care are repeatedly and persistently exposed to noxious stimuli, and this happens during a critical window of their brain development with peak rates of brain growth, exuberant synaptogenesis and the developmental regulation of specific receptor populations. Nearly two-thirds of infants born at less than 29 weeks' gestation require mechanical ventilation for some duration during the newborn period. These neonates are endotracheally intubated and require repeated endotracheal suctioning. Endotracheal suctioning is identified as one of the most frequent and most painful procedures in premature infants, causing moderate to severe pain. Even with improved nursing performance and standard procedures based on neonatal needs, endotracheal suctioning remains associated with mild pain.

Objectives: To evaluate the benefits and harms of non-pharmacological interventions for the prevention of pain during endotracheal suctioning in mechanically ventilated neonates. Non-pharmacological interventions were compared to no intervention, standard care or another non-pharmacological intervention.

Search methods: We conducted searches in June 2023 in the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE via PubMed, Embase, CINAHL and three trial registries. We searched the reference lists of related systematic reviews, and of studies selected for inclusion.

Selection criteria: We included randomised controlled trials (RCTs), quasi-RCTs and cluster-RCTs that included term and preterm neonates who were mechanically ventilated via endotracheal tube or via tracheostomy tube and required endotracheal suctioning performed by doctors, nurses, physiotherapists or other healthcare professionals.

Data collection and analysis: Our main outcome measures were validated composite pain scores (including a combination of behavioural, physiological and contextual indicators). Secondary outcomes included separate physiological and behavioural pain indicators. We used standard methodological procedures expected by Cochrane. For continuous outcome measures, we used a fixed-effect model and reported mean differences (MDs) with 95% confidence intervals (CIs). For categorical outcomes, we reported the typical risk ratio (RR) and risk difference (RD) and 95% CIs. We assessed risk of bias using the Cochrane RoB 1 tool, and assessed the certainty of the evidence using GRADE.

Main results: We included eight RCTs (nine reports), which enroled 386 infants, in our review. Five of the eight studies were included in a meta-analysis. All studies enrolled preterm neonates. Facilitated tucking versus standard care (four studies) Facilitated tucking probably reduces Premature Infant Pain Profile (PIPP) score during endotracheal suctioning (MD -2.76, 95% CI 3.57 to 1.96; I² = 82%; 4 studies, 148 infants; moderate-certainty evidence). Facilitated tucking probably has little or no effect during endotracheal suctioning on: heart rate (MD -3.06 beats per minute (bpm), 95% CI -9.33 to 3.21; I² = 0%; 2 studies, 80 infants; low-certainty evidence); oxygen saturation (MD 0.87, 95% CI -1.33 to 3.08; I² = 0%; 2 studies, 80 infants; low-certainty evidence); or stress and defensive behaviours (SDB) (MD -1.20, 95% CI -3.47 to 1.07; 1 study, 20 infants; low-certainty evidence). Facilitated tucking may result in a slight increase in self-regulatory behaviours (SRB) during endotracheal suctioning (MD 0.90, 95% CI 0.20 to 1.60; 1 study, 20 infants; low-certainty evidence). No studies reported intraventricular haemorrhage (IVH). Familiar odour versus standard care (one study) Familiar odour during endotracheal suctioning probably has little or no effect on: PIPP score (MD -0.30, 95% CI -2.15 to 1.55; 1 study, 40 infants; low-certainty evidence); heart rate (MD -6.30 bpm, 95% CI -16.04 to 3.44; 1 study, 40 infants; low-certainty evidence); or oxygen saturation during endotracheal suctioning (MD -0.80, 95% CI -4.82 to 3.22; 1 study, 40 infants; low-certainty evidence). No studies reported SRB, SDB or IVH. White noise (one study) White noise during endotracheal suctioning probably has little or no effect on PIPP (MD -0.65, 95% CI -2.51 to 1.21; 1 study, 40 infants; low-certainty evidence); heart rate (MD -1.85 bpm, 95% CI -11.46 to 7.76; 1 study, 40 infants; low-certainty evidence); or oxygen saturation (MD 2.25, 95% CI -2.03 to 6.53; 1 study, 40 infants; low-certainty evidence). No studies reported SRB, SDB or IVH.

Authors' conclusions: Facilitated tucking / four-handed care / gentle human touch probably reduces PIPP score. The evidence of a single study suggests that facilitated tucking / four-handed care / gentle human touch slightly increases self-regulatory and approach behaviours during endotracheal suctioning. Based on a single study, familiar odour and white noise have little or no effect on any of the outcomes compared to no intervention. The use of expressed breast milk or oral sucrose suggests that there is no discernible advantage of one method over the other for reducing pain during endotracheal suctioning. None of the studies reported on any of the prespecified secondary outcomes of adverse events.

PubMed Disclaimer

Conflict of interest statement

SP: none.

FC: none.

IO: none.

KB: none.

Figures

1
1
Study flow diagram.
2
2
Risk of bias summary: review authors' judgements about each risk of bias item for each included study.
3
3
Risk of bias graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.
4
4
5
5
6
6
1.1
1.1. Analysis
Comparison 1: Facilitated tucking / four‐handed care / gentle human touch, Outcome 1: PIPP during endotracheal suctioning
1.2
1.2. Analysis
Comparison 1: Facilitated tucking / four‐handed care / gentle human touch, Outcome 2: ALPS‐Neo Scale during endotracheal suctioning
1.3
1.3. Analysis
Comparison 1: Facilitated tucking / four‐handed care / gentle human touch, Outcome 3: Heart rate during endotracheal suctioning (bpm)
1.4
1.4. Analysis
Comparison 1: Facilitated tucking / four‐handed care / gentle human touch, Outcome 4: Oxygen saturation during endotracheal suctioning (%)
1.5
1.5. Analysis
Comparison 1: Facilitated tucking / four‐handed care / gentle human touch, Outcome 5: Stress and defence behaviours (SDB) during endotracheal suctioning
1.6
1.6. Analysis
Comparison 1: Facilitated tucking / four‐handed care / gentle human touch, Outcome 6: Self‐regulatory behaviours (SRB) during endotracheal suctioning
2.1
2.1. Analysis
Comparison 2: Familiar odour (breast milk smell), Outcome 1: PIPP during endotracheal suctioning
2.2
2.2. Analysis
Comparison 2: Familiar odour (breast milk smell), Outcome 2: Heart rate during endotracheal suctioning (bpm)
2.3
2.3. Analysis
Comparison 2: Familiar odour (breast milk smell), Outcome 3: Oxygen saturation during endotracheal suctioning (%)
3.1
3.1. Analysis
Comparison 3: Expressed breast milk, Outcome 1: PIPP during endotracheal suctioning
4.1
4.1. Analysis
Comparison 4: White noise, Outcome 1: PIPP during endotracheal suctioning
4.2
4.2. Analysis
Comparison 4: White noise, Outcome 2: Heart rate during endotracheal suctioning (bpm)
4.3
4.3. Analysis
Comparison 4: White noise, Outcome 3: Oxygen saturation during endotracheal suctioning (%)
5.1
5.1. Analysis
Comparison 5: Swaddling, Outcome 1: PIPP during endotracheal suctioning
See this image and copyright information in PMC

Update of

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References to other published versions of this review

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