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Efficiency of a mechanical device in controlling tracheal cuff pressure in intubated critically ill patients: a

Saad Nseir¹, Andrey Rodriguez, Paula Saludes

¹Critical Care Center, Hospital de Sabadell, Universidad Autonoma de Barcelona, CIBER enfermedades respiratorias, Corporació Sanitaria Parc Tauli, Parc Tauli 1, 08208, Sabadell, Spain, s-nseir@chru-lille.fr.

Annals of Intensive Care

|June 11, 2015

Abstract

Background:

Cuff pressure (P cuff) control is mandatory to avoid leakage of oral secretions passing the tracheal tube and tracheal ischemia. The aim of the present trial was to determine the efficacy of a mechanical device (PressureEasy®) in the continuous control of P cuff in patients intubated with polyvinyl chloride (PVC)-cuffed tracheal tubes, compared with routine care using a manometer.

Methods:

This is a prospective, randomized, controlled, cross-over study. All patients requiring intubation with a predicted duration of mechanical ventilation ≥48 h were eligible. Eighteen patients randomly received continuous control of P cuff with PressureEasy® device for 24 h, followed by discontinuous control (every 4 h) with a manual manometer for 24 h, or vice versa. P cuff and airway pressure were continuously recorded. P cuff target was 25 cmH2O during the two periods.

Results:

The percentage of time spent with P cuff 20-30 cmH2O (median (IQR) 34 % (17-57) versus 50 % (35-64), p = 0.184) and the percentage of time spent with P cuff <20 cmH2O (23 % (5-63) versus 43 % (16-60), p = 0.5) were similar during continuous control of P cuff and routine care, respectively. However, the percentage of time spent with P cuff >30 cmH2O was significantly higher during continuous control compared with routine care of tracheal cuff (26 % (14-39) versus 7 % (1-18), p = 0.002). No significant difference was found in P cuff (25 (18-28) versus 21 (18-26), p = 0.17), mean airway pressure (14 (10-17) versus 14 (11-16), p = 0.679), or coefficient of variation of P cuff (19 % (11-26) versus 20 % (11-25), p = 0.679) during continuous control compared with routine care of tracheal cuff, respectively.

Conclusions:

PressureEasy® did not demonstrate a better control of P cuff between 20 and 30 cmH2O, compared with routine care using a manometer. Moreover, the device use resulted in significantly higher time spent with overinflation of tracheal cuff, which might increase the risk for tracheal ischemic lesions.

Trial Registration:

Clinicaltrial.gov: NCT02109003.

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