| Objective To investigate the characteristics of postoperative brain temperature,and the correlation between the brain temperature and prognosis in patients with brain trauma,in a multicenter prospective observational study.Methods A total of 83 patients with brain trauma in 11 hospitals were enrolled from March 2016 to March 2017.The values of brain temperature(TBr),axillary temperature(TAx),rectal temperature(TRe)and bladder temperature(TBl)were hourly observed and recorded.Results Analyzing the difference between the brain temperature and the axillary temperature(ΔTBr-Ax),subduralΔTBr-Ax<intraventricularΔTBr-Ax<parenchymalΔTBr-Ax（P<0.05,respectively）.Analyzing the difference between the brain temperature and the rectal temperature(ΔTBr-Re)or the difference between the brain temperature and the bladder temperature(ΔTBr-Bl),subduralΔTBr-Re,ΔTBr-Bl<parenchymalΔTBr-Re,ΔTBr-Bl<intraventricularΔTBr-Re,ΔTBr-Bl（P<0.05,respectively）.TheΔTBr-Ax is more thanΔTBr-Re andΔTBr-Bl,with or without mild hypothermia treatment（P<0.05,respectively）.When brain temperature is higher than38℃,ΔTBr-Ax>ΔTBr-Re>ΔTBr-Bl（P<0.05,respectively）.When brain temperature is less than or equal to 38℃,ΔTBr-Ax>ΔTBr-Bl>ΔTBr-Re（P<0.05,respectively）.When peak temperature(Tpeak)in first postoperative 24 hours is less than 37℃or more than 39℃,comparing to the Tpeak in first postoperative 24 hours is between 37℃and39℃,the preoperative Glasgow Coma Scale（GCS）is significantly lower（P<0.05）,with similar Extended Glasgow Outcome Scale（GOS-E）at discharge.When the brain temperature variation(Tvari)in first postoperative 12 hours is more than 1℃,comparing to the Tvari of less than or equal to 1℃,the preoperative GCS and GOS-E at discharge are significantly lower（P<0.05,respectively）.Conclusions The postoperative brain temperature is not as same as other body temperatures in patients with brain trauma.Monitoring body temperature especially brain temperature is clinically significant and valuable. |
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