The impact of chronic obstructive pulmonary disease on risk for complications after pancreatoduodenectomy - a single centre cohort study

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BACKGROUND: The association between chronic obstructive pulmonary disease (COPD) and risk for postoperative complications after pancreatic surgery has not been clarified. The aim of this study was to investigate if COPD is associated with increased risk for postoperative complications after pancreatoduodenectomy. METHODS: All patients aged ≥18 years undergoing pancreatoduodenectomy from 2008 to 2019 at a high-volume tertiary centre for pancreatic cancer surgery were included. COPD was defined as an established diagnosis according to the International Statistical Classification of Diseases. The primary outcome was Clavien-Dindo-score (CD)≥ IIIa. RESULTS: Out of 1009 available patients, 57 (5.6 %) had a diagnosis of COPD. There was no association between COPD and CD≥ IIIa (25.5 % vs. 29.8 % p-value 0.471). COPD was associated with an increased risk for postoperative pancreatic fistula (POPF) (odds ratio [OR] 3.06, 95 % confidence interval 1.62-5.89; p < 0.001). The 12 months mortality rate was higher among patients with COPD compared to patients without COPD, although not statistically significant (28.07 % vs., 18.17 %, p-value = 0.063). CONCLUSION: COPD was associated with increased risk for POPF. These results imply that among patients deemed fit enough to undergo surgery, COPD should be thoroughly evaluated in the risk stratification.

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