Dear sir i am MAJ.Dr.shanker Bhandari from NEPAL. i am neurosurgery house officer.i have one patient in Intensive trauma care unit.he is admitted with diagnosis of C5 -C6 fracture.his initial presentation was quadriplegia and his vitals were normal. he has complete loss of sensation and motor power but his respiration was normal. after two days of clutch field traction of 16 pounds .his cervical dislocation was coming up in aliment. suddenly his saturation SPO2 starts to decreases and i intubate him and put him in mechanical ventilator.its being 6th day he is not taking respiration by himself. his efforts on respiration has not come up.if i discontinue his mechanical ventilator then again saturation starts do decreases. please suggest me what would be the best treatment for him? he is only 32 years from our regular army.