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Medicina crítica (Colegio Mexicano de Medicina Crítica)
versión impresa ISSN 2448-8909
Resumen
GUERRERO ORTIZ, Rosa Karina et al. Driving pressure as a prognostic factor of mortality in the critical patient with obesity and acute respiratory distress syndrome. Med. crít. (Col. Mex. Med. Crít.) [online]. 2019, vol.33, n.2, pp.79-83. Epub 15-Feb-2021. ISSN 2448-8909.
Introduction:
Pulmonary distension pressure (ΔP) has been shown to be the physical variable that best correlates with survival in patients with acute respiratory distress syndrome, suggesting a protective value <15 cmH2O.
Objective:
The purpose was to identify if the values of ΔP as safety margin described are a prognostic factor of mortality, applied in obese patients with acute respiratory distress syndrome in the ICU.
Methods:
Longitudinal, prospective, observational study, carried out in the Intensive Care Unit (ICU) of the Bajío National Medical Center UMAE 1, Guanajuato, from January to July 2018. 47 patients> 18 years old and BMI> 30 were admitted. with diagnosis of ARDS under invasive mechanical ventilation. The ΔP and Pplat were recorded at 24, 48 and 72 hours after admission.
Results:
A significant difference was found in both ΔP and Pplat (p <0.05) at 24 hrs, being 14.08 ± 5 (12-20) in the group of survivors and 16.56 ± 3 (12-21) in non-survivors.
Conclusion:
It was observed that maintaining ΔP and Pplat in ranges <15 and <30 respectively, in the first 24 hrs has an impact on the mortality of these patients.
Palabras llave : Pressure of distension; critical patient; obesity; ARDS.