Effects of hemoglobin level on the early postsurgical cerebral metabolism in patients with severe traumatic brain injury
2017
ABSTRACTObjective: The study aims to explore the effects of different levels of haemoglobin (Hb) on early cerebral metabolism in patients with postoperative severe traumatic brain injury (TBI) .Method: Fifty-nine patients were randomly divided into catheter oxygen group and ventilator-assisted respiratory group. Each group was subsequently divided into three subgroups basing on different Hb level: Hb ≤ 70 g/L subgroup, 71 g/L ≤ Hb≤90 g/L subgroup and Hb ≥ 91 g/L subgroup. The blood samples from the femoral artery and the affected side internal jugular vein were, respectively, taken at the same time from the patient after postoperative 3 days.Results: The incidence of anaemia after severe TBI operation was 88.14%. The VADL and cerebral glucose uptake (CMRglu) in both Hb ≤ 70 g/L and 71 g/L ≤ Hb≤90 g/L patients of oxygen catheter group were less than that in Hb ≥ 91 g/L patients. In the ventilator-assisted breathing group, the VADL and CMRglu of 71 g/L ≤ Hb≤90 g/L patients and Hb ≥ 91 g/L patients were lowe...
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