Tracheal suctioning without disconnection in intubated ventilated neonates

Area of Science:

• Neonatal Medicine
• Respiratory Care
• Critical Care

Background:

• Assisted mechanical ventilation is crucial for neonates with respiratory or surgical issues.
• This life-saving intervention carries potential hazards.
• New suctioning techniques aim to mitigate these risks.

Purpose of the Study:

• To evaluate the effects of endotracheal suctioning without disconnecting the ventilator in intubated, ventilated neonates.

Main Methods:

• A systematic review of randomized or quasi-random trials comparing suctioning with and without disconnection.
• Searches included Cochrane Neonatal Group databases, MEDLINE, CINAHL, and pediatric research abstracts (July 2011).
• Data analysis used fixed-effect models, reporting relative risk (RR) and mean difference (MD).

Main Results:

• Four trials (252 infants) showed suctioning without disconnection reduced hypoxia episodes (RR 0.48) and TcPO(2) drops (RR 0.39).
• This technique also led to smaller heart rate changes (WMD 6.77) and fewer heart rate decreases (RR 0.61).
• Bradycardic episodes were significantly reduced (RR 0.38) during closed suctioning.

Conclusions:

• Evidence suggests suctioning without disconnection improves short-term neonatal outcomes.
• Current evidence is insufficient to recommend it as the sole suctioning method.
• Further large-scale trials are needed to assess impacts on ventilator-associated pneumonia, pulmonary morbidities, neurodevelopment, and inclusion of preterm infants (<28 weeks).