Effect of Dexamethasone on Postoperative Inflammatory Factors

This topic foe randomized prospective study.Detection of elderly patients with lunmbar spinal postoperative inflammatory substances in the blood and drainage of liquid level ,clear whether low-dose dexamethasone can inhibit the inflammation, the observation of elderly patients with lumbar spinal postoperative drainage star, to explor whether low-dose dexamthasone can reduce postoperative incision drainage, thus impove the postoprative drainage tube pull rate within three days, which in turn reduce because of the place a retrograde infection caused by drainage tube.