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Modes of mechanical ventilation in ICUs of Brazil

Introduction

The use of mechanical ventilation is one of the most important stages in treating patients in the ICU, and knowing how this procedure is being managed makes us better intensivists physicians. Our purpose in this study was to know how some Brazilian intensivists ventilate their patients.

Methods

Two studies of 1 day prevalence were done in 2001 and 2002 in 42 ICUs of Brazil. From the questionaire answered by the ICUs, we present here the modes of ventilation used, including the weaning stage, and the diseases that were the reason of the indication of mechanical ventilation.

Results

The study evaluated 482 patients in 589 beds, with 263 patients being in some kind of ventilatory support. Thirteen patients (13/263) were in noninvasive ventilation. The patients that were in invasive mechanical ventilation (250/263) were distributed as: volume controlled ventilation 76/250, pressure support ventilation (PSV) 61/250, pressure-controlled ventilation (PCV) 51/250, synchronous intermittent mandatory ventilation (SIMV) + PSV 34/250, SIMV 15/250, and others 13/250. Eighty-five patients (85/263) were in weaning of mechanical ventilation, with PSV being the most used mode (42/85). The causes of admission in mechanical ventilation were neuromuscular disease (5/263), chronic obstructive pulmonary disease (26/263), coma (26/263), and acute respiratory failure (206/263).

Conclusion

More than one-half of patients admitted in ICUs were in some kind of ventilatory support. While VCV was the most used mode during the mechanical ventilation, PSV was the principal in weaning stage. Acute respiratory failure was the main cause of mechanical ventilation use.

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Damasceno, M., David, C., Souza, P. et al. Modes of mechanical ventilation in ICUs of Brazil. Crit Care 8, P17 (2004). https://doi.org/10.1186/cc2484

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Keywords

  • Chronic Obstructive Pulmonary Disease
  • Mechanical Ventilation
  • Pulmonary Disease
  • Emergency Medicine
  • Respiratory Failure