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Colombian Journal of Anestesiology
versión impresa ISSN 0120-3347versión On-line ISSN 2256-2087
Resumen
RIVERA PALACIOS, Alejandro et al. Mechanical power measurement during mechanical ventilation of SARS-CoV-2 critically ill patients. A cohort study. Rev. colomb. anestesiol. [online]. 2022, vol.50, n.4, e204. Epub 22-Oct-2022. ISSN 0120-3347. https://doi.org/10.5554/22562087.e1037.
Introduction:
The ventilator-induced lung injury (VILI) depends on the amount of energy per minute transferred by the ventilator to the lung measured in Joules, which is called mechanical power. Mechanical power is a development variable probably associated with outcomes in ventilated patients.
Objective:
To describe the value of mechanical power in patients with SARS-CoV-2 infection and ventilated for other causes and its relationship between days of mechanical ventilation, length of stay in the intensive care unit (ICU), and mortality.
Methods:
A multicenter, analytical, observational cohort study was conducted in patients with SARS-CoV-2 infection who required invasive mechanical ventilation and patients ventilated for other causes for more than 24 hours.
Results:
The cohort included 91 patients on mechanical ventilation in three tertiary care centers in the city of Pereira, Colombia. The average value of the mechanical power found was 22.7 ± 1 Joules/ min. In the subgroup of patients with SARS-CoV-2 infection, the value of mechanical power was higher 26.8 ± 9 than in the subgroup of patients without a diagnosis of SARS-CoV-2 infection 18.2 ± 1 (p <0.001).
Conclusions:
Mechanical power is an important variable to consider during the monitoring of mechanical ventilation. This study found an average value of mechanical power of 22.7 ± 1 Joules/min, being higher in patients with SARS-CoV-2 infection related to longer days of mechanical ventilation and a longer stay in the ICU.
Palabras clave : Respiratory distress syndrome; Artificial respiration; SARS-CoV-2 infection; Coronavirus; Critical care; Anesthesiology.