Abstract
Introduction: Ventilator-associated pneumonia (VAP) is a frequent and potentially fatal complication in patients requiring invasive ventilatory support. To prevent VAP, raising the head of the bed above 30° has been evaluated. The objective of this study was to design and implement an inclinometer device in an intensive care unit (ICU) in Bogota to increase adherence to raising the head of the bed above 30°.
Methods: After designing the device that measures the head of the bed's inclination (inclinometer), inclinometer devices were installed on three ICU beds, and the inclination was recorded in three patients.
Results: The inclinometer has an Arduino device with an integrated circuit installed at the head of the bed, sensing its inclination with light and sound indicators depending on the degree of inclination greater or less than 30°. The ICU staff was trained in calibrating and interpreting the indicators. Subsequently, the inclinometer was used on three beds, following three patients during the period of invasive mechanical ventilation, with a total of 9,237 records with an average inclination of 34.4°, remaining 92.2% of the time with an inclination greater than 30°. None of the patients developed VAP.
Conclusions: The inclinometer device has a simple box design with light and sound signals. Its use obtained an inclination of the head of the bed greater than 30° in more than 90% of the duration of mechanical ventilation.
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