Factores asociados con la mortalidad en pacientes traumáticos con puntuación de 3 en la escala de coma de Glasgow y midriasis bilateral arreactiva
2021
espanolObjetivo. Comparar los pacientes traumaticos con una puntuacion de 3 en la escala de coma de Glasgow (Glasgow Coma Scale, GCS) en funcion de la reactividad pupilar e investigar los factores asociados a la mortalidad hospitalaria en los pacientes con GCS 3 y midriasis bilateral arreactiva. Metodo. Estudio observacional, prospectivo y multicentrico. Se incluyeron todos los pacientes traumaticos recogidos con GCS 3 ingresados en las unidades de cuidados intensivos (UCI) participantes desde marzo 2015 hasta diciembre 2019. Se realizo un analisis de regresion logistica para el estudio de los factores asociados a la mortalidad hospitalaria en pacientes con GCS 3 puntos y midriasis bilateral arreactiva. Resultados. De los 933 pacientes con GCS 3 puntos, 454 (48,7%) presentaron pupilas simetricas y reactivas, 201 (21,5%) anisocoria arreactiva y 278 (29,8%) midriasis bilateral arreactiva. La mortalidad hospitalaria fue elevada en los 3 grupos: 32,5% con pupilas normales, 54,6% con anisocoria arreactiva y 91,0% con midriasis bilateral arreactiva. La edad, la puntacion de 3 o mas en el Abbreviated Injury Scale (cabeza) y el shock o shock refractario se aso-ciaron de forma significativa con la mortalidad hospitalaria, siendo la lesion difusa tipo I y II y la lesion masa evacuada factores protectores en los pacientes con 3 puntos en la GCS y midriasis bilateral arreactiva. De los 26 pacientes que sobrevivieron con GCS 3 y midriasis bilateral arreactiva, 12 (46,1%) tuvieron un GCS de 14-15 al alta hospitalaria. Conclusiones. La mortalidad hospitalaria de los pacientes traumaticos con 3 puntos en la GCS y midriasis bilateral arreactiva fue del 91%. La edad, la puntacion de 3 o mas en el Abbreviated Injury Scale (cabeza) y el shock o shock refractario se asociaron de forma significativa con la mortalidad hospitalaria, siendo la lesion difusa tipo I y II, y la lesion masa evacuada factores protectores en este grupo de pacientes. EnglishObjectives. To compare patients with a Glasgow Coma Scale (GCS) score of 3 stratified according to pupillary reaction and to explore factors associated with in-hospital death in those with bilateral fixed dilated pupils. Methods. Prospective, observational, multicenter study. We included all patients with trauma and GCS scores of 3 admitted to the intensive care unit from March 2015 to December 2019. Factors associated with in-hospital mortality in the patients with bilateral dilated pupils were explored using multiple regression analysis. Results. Of the 933 patients included, 454 (48.7%) had responsive pupils, 201 (21.5%) had a single fixed dilated pupil, and 278 (29.8%) had bilateral dilation. Hospital mortality was high in all 3 groups: 32.5% in those with normal responsive pupils, 54.6% in those with a single unreactive pupil, and 91.0% in those with bilateral dilation. Factors significantly associated with in-hospital death were age, a score of 3 or more on the Abbreviated Injury Scale for the head, and shock or refractory shock. Types I or II diffuse lesions and evacuated mass lesions were protective in patients with GCS scores of 3 and bilateral dilated pupils. Twelve of the 26 patients (46.1%) with bilateral dilated pupils and GCS scores of 3 had GCS scores of 14 or 15 on discharge from the hospital. Conclusions. The in-hospital mortality was 91% in this study of trauma patients with GCS scores of 3 and bilateral dilated pupils. Factors significantly associated with in-hospital death were age, a score of 3 or more on the Abbreviated Injury Scale for the head, and shock or refractory shock. Types I or II diffuse lesions and evacuated mass lesions were protective in patients with GCS scores of 3 and bilateral dilated pupils.
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