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Englum, Brian R.; Prasad, Nikhil K.; Lake, Rachel E.; Mayorga‐Carlin, Minerva; Turner, Douglas J.; Siddiqui, Tariq; Sorkin, John D.; Lal, Brajesh K.
Cancer, March 1, 2022, Volume: 128, Issue: 5Journal Article
Background The coronavirus disease 2019 (COVID‐19) pandemic caused disruptions in treatment for cancer. Less is known about its impact on new cancer diagnoses, where delays could cause worsening long‐term outcomes. This study quantifies decreases in encounters related to prostate, lung, bladder and colorectal cancers, procedures that facilitate their diagnosis, and new diagnoses of those cancers in the COVID era compared to pre‐COVID era. Methods All encounters at Veterans' Affairs facilities nationwide from 2016 through 2020 were reviewed. The authors quantified trends in new diagnoses of cancer and in procedures facilitating their diagnosis, from January 1, 2018 onward. Using 2018 to 2019 as baseline, reductions in procedures and new cancer diagnoses in 2020 were estimated. Calculated absolute and percentage differences in annual volume and observed‐to‐expected volume ratios were calculated. Heat maps and funnel plots of volume changes were generated. Results From 2018 through 2020, there were 4.1 million cancer‐related encounters, 3.9 million relevant procedures, and 251,647 new cancers diagnosed. Compared to the annual averages in 2018 through 2019, colonoscopies in 2020 decreased by 45% whereas prostate biopsies, chest computed tomography scans, and cystoscopies decreased by 29%, 10%, and 21%, respectively. New cancer diagnoses decreased by 13% to 23%. These drops varied by state and continued to accumulate despite reductions in pandemic‐related restrictions. Conclusion The authors identified substantial reductions in procedures used to diagnose cancer and subsequent reductions in new diagnoses of cancer across the United States because of the COVID‐19 pandemic. A nomogram is provided to identify and resolve these unmet health care needs and avoid worse long‐term cancer outcomes. Lay Summary The disruptions due to the COVID‐19 pandemic have led to substantial reductions in new cancers being diagnosed. This study quantifies those reductions in a national health care system and offers a method for understanding the backlog of cases and the resources needed to resolve them. The disruptions due to the COVID‐19 pandemic have led to substantial reductions in procedures that could diagnose new cancers and subsequent reductions in new diagnoses of cancer in medical facilities across the United States. To avoid the potential for worse long‐term cancer outcomes due to delayed diagnoses, health systems must quantify their deficits and find ways to clear the backlog of undiagnosed cases.
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