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Medicina crítica (Colegio Mexicano de Medicina Crítica)
versión impresa ISSN 2448-8909
Resumen
ABREU PEREZ, Daisy; LACERDA GALLARDO, Angel Jesús y EDES SONGORO, Paschal. Positive end expiration pressure, intracranial pressure and cerebral perfusion pressure in the severe traumatic brain injury in child. Med. crít. (Col. Mex. Med. Crít.) [online]. 2022, vol.36, n.6, pp.350-356. Epub 18-Ago-2023. ISSN 2448-8909. https://doi.org/10.35366/107457.
Introduction:
the use of positive end expiratory pressure improves oxygenation and recruits pulmonary alveoli, however at the same time it leads to hemodynamic changes and increase intracranial pressure.
Material and methods:
a prospective descriptive study was done with pediatric patients afflicted with severe traumatic brain injury associated with hypoxemia and treated with different levels of positive end expiratory pressure, to whom the intracranial pressure and cerebral perfusion pressure were monitored so as to evaluate the effect of this ventilation maneuver over the intracranial variables.
Results:
patients with age between 5-17 years old as well as male sex, 14 (73.68%) were predominant. 9 (47.36%) showed Glasgow coma scale of 8 points on admission. Intracranial pressure starts to rise when the positive end expiratory pressure exceeds 12 cmH2O. Glasgow coma scale with 8 points was associated with mild disability or no disability (47.36%). All the patients that scored 3 points died.
Conclusions:
the use of positive end expiratory pressure to correct hypoxemia was an applicable therapeutic alternative as long as continuous intracranial pressure monitoring was available in a systematic and personalized way. The correction of intracranial hypertension and hemodynamic instability were a necessary condition before using the ventilatory maneuver in these patients.
Palabras llave : cerebral perfusion pressure; intracranial pressure; positive end expiratory pressure; severe head trauma.