© 2015-2016 Hospitech Respiration Ltd

The Clinical Need [1]

Mechanical ventilation and intubation of patients for longer than 48 hours puts the patient at risk of complications. Over-inflation of the cuff may result in injury of the trachea or the vocal cords, while under-inflation may result in aspiration of contaminated subglottic secretions into the lungs, which may cause Ventilator-Associated Pneumonia (VAP).

Those complications render the respiration procedure complex and costly, and may result in prolonged hospitalization and high mortality rates. [2] [3] [4] [5]



The Risk of Aspiration


The Risk of Tracheal Tissue Injury


Correct and accurate inflation of the cuff is a crucial element in minimizing the complications of prolonged intubation, yet several tests show that medical staff finds it hard to inflate, maintain and estimate cuff pressure palpation.[6] [7]


The accurate management of cuff pressure is specifically crucial in Pediatrics, yet studies show that a significant percentage of pediatric patients have a cuff pressure greater than the generally recommended upper limit.[8] [9]

[1] Ramesh, Archana S. et al. An in vitro and in vivo validation of a novel monitor for intracuff pressure in cuffed endotracheal tubes.

[2] Lizy, Christelle et al. Cuff Pressure of Endotracheal Tubes After Changes in Body Position in Critically Ill Patients Treated With Mechanical Ventilation;   

[3] Bhatti, Nasir I. et al. Cost analysis of intubation-related tracheal injury using a national database.

[4] Freebairn, Ross C. et al. Endotracheal Cuff Pressures in Ventilated Patients in Intensive Care.  

[5] Kyaw, Moe H. et al. Healthcare utilization and costs associated with S. aureus and P. aeruginosa pneumonia in the intensive care unit: a retrospective observational cohort study in a US claims database (2015).

[6] Hoffman, Robert J. et al.  Experienced Emergency Medicine Physicians Cannot Safely Inflate or Estimate Endotracheal Tube Cuff Pressure Using Standard Techniques.

[7] Bryant, Jason et al. Can the Intracuff Pressure Be Estimated by Palpation of the Pilot Balloon? 

[8] Tobias, Joseph D. et al. Cuffed endotracheal tubes in infants and children: Should we routinely measure the cuff pressure? 

[9] Schloss, Bryan et al. The laryngeal mask in infants and children: What is the cuff pressure?