Abstract：Objective To investigate the efficacy and safety of drilling and drainage in the treatment of chronic subdural hematoma.Methods A total of 80 patients with chronic subdural hematoma in our hospital from February 2017 to February 2018 were selected and divided into control group (40 cases)and experimental group (40 cases)according to random number table method.The control group was used small bone window craniotomy and the experimental group was used drilling drainage.After treatment of 7 d,the NIHSS and GCS scores of the two groups before and after treatment were compared,and the operative time,hematoma clearance rate and incidence of complications were observed in the two groups.Results There was no significant difference in GCS and NIHSS scores between the two groups before and after treatment(P＞0.05）.After treatment,GCS and NIHSS scores were significantly lower than those before treatment(P<0.05）,and the operation time of the experimental group was significantly shorter than that of the control group(P<0.05）;the postoperative hematoma clearance rate in the experimental group was higher than that of the control group(P<0.05）,and the total incidence of complications in the experimental group was significantly lower than that of the control group,the differences were statistically significant(P<0.05）.Conclusion The effect of drilling and drainage in the treatment of chronic subdural hematoma is better.It can obviously improve the score of GCS and NIHSS,shorten the operation time,improve the clearance rate of hematoma,and reduce the incidence of complications.It is worth popularizing.
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