摘要
frequent question in the use of glasgow coma scale (gcs), on the acute phase, on inpatients due to encephalic cranial trauma (tbi) is the subestima because of the impeditive situations such as tracheostomy/endotracheal intubation, sedation and palpebral edema. the aim of this study was identify and determining the subestima on the total score of gcs when the score 1 is used on the impediment situations for your assessment. the sample studied had 76 inpatients for tbi at the hospital das cl赤nicas da faculdade de medicina da universidade de sˋo paulo. within 42 (55,3%) inpatients, there are not impediments and were carried out 136 assessments. in 34 (44,7%), there are impediments characterized by intubation or tracheostomy, being or not related to palpebral edema and sedation and the total evaluation was 310. within them, the total score varied of 3 to 11 with the more frequent scores in 3 and 6. through estimated values by linear regression since the scores obtained in eo and vrm, the following subestimas were obtained: mean=1.03㊣1.36, median=0.54 (intubation or tracheostomy), mean=0,40㊣0.79, median=0,00 (intubation or tracheostomy + sedation), mean=0.57㊣0.96, median=0.27 (intubation or tracheostomy + sedation + palpebral edema). it was concluded that, in the serious ect, the total score of gcs maintained a vrm in 1, although underestimated, it is near the real one.