• Sugata Dasgupta, Shipti Shradha Singh, Arunima Chaudhuri, Dipasri Bhattacharya, and Sourav Das Choudhury.
• Department of Anesthesiology and Critical Care Medicine, RG Kar Medical College and Hospital, Kolkata, West Bengal, India.
• Indian J Crit Care Med. 2016 Feb 1; 20 (2): 91-6.

BackgroundAlthough tracheal tubes are essential devices to control and protect airway in a critical care unit (CCU), they are not free from complications.AimsTo document the incidence and nature of airway accidents in the CCU of a government teaching hospital in Eastern India.MethodsRetrospective analysis of all airway accidents in a 5-bedded (medical and surgical) CCU. The number, types, timing, and severity of airway accidents were analyzed.ResultsThe total accident rate was 19 in 233 intubated and/or tracheostomized patients over 1657 tube days (TDs) during 3 years. Fourteen occurred in 232 endotracheally intubated patients over 1075 endotracheal tube (ETT) days, and five occurred in 44 tracheostomized patients over 580 tracheostomy TDs. Fifteen accidents were due to blocked tubes. Rest four were unplanned extubations (UEs), all being accidental extubations. All blockages occurred during night shifts and all UEs during day shifts. Five accidents were mild, the rest moderate. No major accident led to cardiorespiratory arrest or death. All blockages occurred after 7(th) day of intubation. The outcome of accidents were more favorable in tracheostomy group compared to ETT group (P = 0.001).ConclusionsThe prevalence of airway accidents was 8.2 accidents per 100 patients. Blockages were the most common accidents followed by UEs. Ten out of the 15 blockages and all 4 UEs were in endotracheally intubated patients. Tracheostomized patients had 5 blockages and no UEs.

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