BJU International
BJU International
5 years ago

Who is at risk of death from nephrectomy? An analysis of thirty-day mortality after 21 380 nephrectomies in 3 years of the British Association of Urological Surgeons (BAUS) National Nephrectomy Audit

, Mieke Van Hemelrijck, Sarah Fowler, Archie Fernando, Tim O'Brien
Objective To ascertain contemporary overall and differential thirty-day mortality (TDM) rates after all types of nephrectomy in the UK, and to identify potential new risk factors for death. Patients and Methods We conducted a retrospective analysis of the 110 deaths that occurred within 30 days of surgery out of the total of 21 380 nephrectomies performed, and calculated the odds ratio (OR) and 95% confidence interval (CI) for TDM based on peri-operative characteristics. Results The overall TDM rate was 110/21380 (0.5%). The TDM rates after radical, partial, simple nephrectomy and nephro-ureterectomy were 0.6% (63/11057), 0.1% (4/3931), 0.4% (11/2819) and 0.9% (28/3091), respectively. TDM increased with age, stage, estimated blood loss (EBL), operating time and performance status. EBL of 1–2 L was associated with a greater risk of TDM than EBL of 2–5 L (OR 1.38; 95% CI 1.03–2.24). Conversion from minimally invasive surgery was associated with higher risk than non-conversion (OR 2.53; 95% CI 1.14–4.51. Curative surgery was safer than cytoreductive surgery (OR 0.31; 95% CI 0.18–0.54). There was an association between surgical volume and TDM. Conclusions This study provides contemporary insights into the true risks of all types of nephrectomy. The TDM rate after nephrectomy in the UK appears acceptably low at 0.5%. Established risk factors were confirmed and the following novel risk factors were identified: modest EBL (1–2 L) and conversion from minimally invasive surgery.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1111/bju.13842

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