Prediction of in-hospital mortality and morbidity using high-sensitivity C-reactive protein after burr hole craniostomy

Abstract

Background

The purpose of this study was to assess whether preanesthetic laboratory values can predict in-hospital mortality and morbidity in patients who have undergone burr hole craniostomy due to chronic subdural hematoma.

Methods

From January 2007 to February 2016, the records of 502 consecutive patients who underwent burr hole craniotomy were analyzed. All cases of burr hole craniostomy were fitted with a drain, as required by our institutional protocol.

Results

Patients' demographic data and preoperative laboratory values were subjected to logistic regression analysis to predict in-hospital mortality and morbidity after burr hole craniostomy. Hemoglobin, prothrombin time, activated partial thromboplastin time, serum glucose, and high-sensitivity C-reactive protein (hsCRP) were found to be significantly associated with in-hospital mortality and morbidity by univariate regression analysis, but of these, only hsCRP (hazard ratio 1.210, 95 % confidence interval 1.089–1.345, P < 0.001) was found to significantly predict in-hospital mortality and morbidity by multivariate regression analysis. Areas under the curve for predicting in-hospital mortality and morbidity were 0.765 (95 % confidence interval 0.624–0.906, P = 0.002) and 0.646 (0.559–0.733, P = 0.001), respectively.

Conclusions

Preoperative hsCRP was found to be an independent predictor of in-hospital mortality and morbidity after burr hole craniostomy due to chronic subdural hematoma.

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