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. 2023 Nov;27(11):2538-2546.
doi: 10.1007/s11605-023-05838-y. Epub 2023 Sep 25.

COVID-19 Effect on Surgery for Gastrointestinal Malignancies: Have Operative Volumes Recovered?

Alexander Manzella  1   2 , Mariam F Eskander  1   2 , Miral S Grandhi  1   2 , Haejin In  1   2 , Russell C Langan  1   2 , Timothy Kennedy  1   2 , David August  1   2 , H Richard Alexander  1   2 , Toni Beninato  1   2 , Henry A Pitt  3
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COVID-19 Effect on Surgery for Gastrointestinal Malignancies: Have Operative Volumes Recovered?

Alexander Manzella et al. J Gastrointest Surg. 2023 Nov.

Abstract

Background: COVID-19 disrupted elective operations, cancer screening, and routine medical care while simultaneously overwhelming hospital staff and supplies. Operations for gastrointestinal (GI) malignancies rely on endoscopic screening, staging, and neoadjuvant therapy (NAT), each of which was disrupted by the pandemic. The aim was to evaluate the effect of the COVID-19 pandemic on the US national rates of gastrointestinal oncologic operations.

Methods: The Vizient Clinical Data Base® was queried for oncologic operations for esophageal, gastric, and colorectal malignancies with and without NAT from March 2019 to March 2022. Control chart analysis examined operative volume over time while Wilcoxon rank sum tests were used to compare mean monthly volume before and during the pandemic.

Results: A total of 95,912 patients were identified over 36 months; 5.8% esophageal, 6.3% gastric, 77.5% colonic, and 10.4% rectal operations. Esophageal operative volume decreased for 9 months during the pandemic and was significantly lower during than before the pandemic (p=0.002). Gastric operations decreased for 10 months early in the pandemic, but rebounded so that after 2 years volumes were unchanged (p=0.49). Colonic operations experienced a sharp decrease for 4 months at the beginning of the pandemic, but volumes quickly increased and overall were unchanged (p=0.29). Rectal operations decreased for 13 months and were significantly lower during than before the pandemic (p=0.018). Oncologic operations for patients receiving NAT varied.

Conclusion: COVID-19 significantly disrupted the volume of gastrointestinal oncologic operations in the USA. Esophageal and rectal oncologic operations experienced prolonged and significant reductions while gastric and colonic oncologic operations transiently decreased but rebounded during the pandemic.

Keywords: COVID-19 pandemic; Colorectal cancer; Esophageal cancer; Gastric cancer; Surgical oncology.

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