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Determinants of re-operation for bleeding in head and neck cancer surgery
Published online by Cambridge University Press: 08 March 2018
Abstract
Post-operative bleeding in the head and neck area is potentially fatal. This ‘real world’ study sought to assess factors that increase the risk of re-operation for post-operative bleeding in head and neck cancer surgery.
A total of 456 patients underwent surgery for head and neck cancer (591 operations). The primary endpoint was re-operation for bleeding.
The rate of re-operation for bleeding was 5 per cent of all operations. Re-operation for bleeding was an independent risk factor for 30-day mortality (odds ratio = 5.27, p = 0.014). Risk factors for re-operation because of bleeding included excessive (more than 4000 ml) fluid administration (over 24 hours) (p < 0.001), heavy alcohol consumption (p = 0.014), pre-operative oncological treatment (p = 0.017), advanced disease stage (p = 0.020) and higher tumour (T) classification (p = 0.034). Operations with more excessive bleeding (700 ml or more) were associated with an increased risk (p = 0.001) of re-operation for post-operative bleeding. Moreover, the risk of re-operation was significantly higher in patients undergoing microvascular surgery compared to those who had no oncological treatment pre-operatively (18 vs 6 per cent, p = 0.001).
The 30-day mortality risk increased over 5-fold in patients undergoing re-operation for bleeding.
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