Use of the Portsmouth Physiological and Operative Severity Score for the Enumeration of Mortality and Morbidity (‘P-POSSUM’) to predict morbidity in patients undergoing surgery with reconstruction for temporal bone malignancy

Objective

The Portsmouth Physiological and Operative Severity Score for the Enumeration of Mortality and Morbidity (‘P-POSSUM’) is a two-part scoring system that includes a physiological assessment and a measure of operative severity. This study sought to determine whether risk estimates for this scoring system could be used in major head and neck reconstructive surgery.

Method

A retrospective review was performed of patients undergoing resection for a temporal bone malignancy in a single head and neck centre in Dublin, Ireland, from 2002 to 2021.

Results

The mean ± standard deviation morbidity estimate calculated using the scoring system was 47.6 per cent ± 19.5 per cent. The actual rate of complications was 47 per cent. The optimal cut-off for the scoring system was calculated using the Youden index from the receiver operating characteristic curve, which was 40.5 per cent in this case.

Conclusion

The study indicates that the Portsmouth Physiological and Operative Severity Score for the Enumeration of Mortality and Morbidity is a useful tool for predicting morbidity risk in patients undergoing head and neck resection with reconstruction for temporal bone malignancies.

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