IRCT20190303042900N1 IRCT 2019-07-13 Shahre-kord University of Medical Sciences Effect of acupressure on the level of the o2 saturation,exhaled carbon dioxide and physiological indexes in the brain traumatic (contusion) patients under mechanical ventilation. The effect of acupressure on the level of the O2 saturation, exhaled carbon dioxide and physiological indexes in the brain contusion patients under mechanical ventilation. 2019-04-21 anticipated 64 Complete https://irct.ir/trial/38244 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Health service research, Randomization description: Based on their inclusion criteria, they are selected for inclusion in the study and then divided into control and test groups based on the random allocation rule. In this method, according to the sample size of the dual card (red and blue) with the same number and total volume of the sample in the pot, then eligible individuals randomly drop one of the cards from the pot and, according to the definition of the researcher, enter one of the research groups will be. N/A Brain trauma. Intervention 1: Intervention group: Pressure at point p6 for ten minutes in the morning and evening for two consecutive days. Intervention 2: Control group:Exercise pressure at the false point for ten minutes in the morning and afternoon for two consecutive days. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is No more information