COVID-19 Pandemic’s Effects on Breast Cancer Screening, Staging at Diagnosis at Presentation, Oncologic Management, and Immediate Reconstruction: A Canadian Perspective

Background: Did the COVID-19 pandemic lead to delays in breast cancer management, impacting treatment recommendations? The goal of this study was to assess the pandemic’s effect on breast cancer treatment and management practices. Methods: This study aimed to assess the pandemic’s effect on breast c...

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Main Authors: Adolfo Alejandro Lopez Rios, Alissa Dozois, Alexander T. Johnson, Toros Canturk, Jing Zhang
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Current Oncology
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Online Access:https://www.mdpi.com/1718-7729/32/5/247
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author Adolfo Alejandro Lopez Rios
Alissa Dozois
Alexander T. Johnson
Toros Canturk
Jing Zhang
author_facet Adolfo Alejandro Lopez Rios
Alissa Dozois
Alexander T. Johnson
Toros Canturk
Jing Zhang
author_sort Adolfo Alejandro Lopez Rios
collection DOAJ
description Background: Did the COVID-19 pandemic lead to delays in breast cancer management, impacting treatment recommendations? The goal of this study was to assess the pandemic’s effect on breast cancer treatment and management practices. Methods: This study aimed to assess the pandemic’s effect on breast cancer treatment from March 2018 to February 2020 (pre-pandemic) and March 2020 to February 2022 (during the pandemic) in Canada. A retrospective cohort study at The Ottawa Hospital, Ontario, Canada, compared breast cancer patients diagnosed in the two years before and after the pandemic’s onset. The study examined patient demographics, cancer stages, treatment timelines, and procedures, including neoadjuvant chemotherapy, endocrine therapy, and surgical treatment. Descriptive statistics and frequencies identified changes. The study is limited to a single institution, which may restrict generalizability. Inclusion criteria focused on female patients over 18 years with newly diagnosed breast cancer, excluding recurrent cases. Stage IV patients were included, but further details on their management are needed. Results: Breast cancer diagnoses decreased from 2577 before the pandemic to 2290 after its onset. Surgeries decreased from 1226 to 1013 (<i>p</i> < 0.020), while neoadjuvant endocrine therapy increased from 148 to 169, and adjuvant radiotherapy rose from 586 to 722 (<i>p</i> < 0.001). The study revealed a decrease in breast cancer diagnoses and surgeries during the pandemic, with a rise in non-surgical treatments. Conclusions: These changes indicate significant shifts in breast cancer management due to the pandemic. The decrease in surgical treatments and increase in non-surgical options such as endocrine therapy and radiotherapy suggest adaptations in clinical practices to cope with the challenges posed by the pandemic. Understanding these shifts is crucial for developing strategies to mitigate the impact of future disruptions on breast cancer care and ensuring optimal patient outcomes.
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spelling doaj-art-7119ac569f2844318a3b6044a8d3857c2025-08-20T03:47:49ZengMDPI AGCurrent Oncology1198-00521718-77292025-04-0132524710.3390/curroncol32050247COVID-19 Pandemic’s Effects on Breast Cancer Screening, Staging at Diagnosis at Presentation, Oncologic Management, and Immediate Reconstruction: A Canadian PerspectiveAdolfo Alejandro Lopez Rios0Alissa Dozois1Alexander T. Johnson2Toros Canturk3Jing Zhang4Department of Surgery, Division of Plastics and Reconstructive Surgery, The Ottawa Hospital, Ottawa, ON K1H 8L6, CanadaDepartment of Surgery, Division of Plastics and Reconstructive Surgery, The Ottawa Hospital, Ottawa, ON K1H 8L6, CanadaMD Program, Faculty of Medicine, University of Ottawa, Ottawa, ON K1N 6N5, CanadaMD Program, Faculty of Medicine, University of Ottawa, Ottawa, ON K1N 6N5, CanadaDepartment of Surgery, Division of Plastics and Reconstructive Surgery, The Ottawa Hospital, Ottawa, ON K1H 8L6, CanadaBackground: Did the COVID-19 pandemic lead to delays in breast cancer management, impacting treatment recommendations? The goal of this study was to assess the pandemic’s effect on breast cancer treatment and management practices. Methods: This study aimed to assess the pandemic’s effect on breast cancer treatment from March 2018 to February 2020 (pre-pandemic) and March 2020 to February 2022 (during the pandemic) in Canada. A retrospective cohort study at The Ottawa Hospital, Ontario, Canada, compared breast cancer patients diagnosed in the two years before and after the pandemic’s onset. The study examined patient demographics, cancer stages, treatment timelines, and procedures, including neoadjuvant chemotherapy, endocrine therapy, and surgical treatment. Descriptive statistics and frequencies identified changes. The study is limited to a single institution, which may restrict generalizability. Inclusion criteria focused on female patients over 18 years with newly diagnosed breast cancer, excluding recurrent cases. Stage IV patients were included, but further details on their management are needed. Results: Breast cancer diagnoses decreased from 2577 before the pandemic to 2290 after its onset. Surgeries decreased from 1226 to 1013 (<i>p</i> < 0.020), while neoadjuvant endocrine therapy increased from 148 to 169, and adjuvant radiotherapy rose from 586 to 722 (<i>p</i> < 0.001). The study revealed a decrease in breast cancer diagnoses and surgeries during the pandemic, with a rise in non-surgical treatments. Conclusions: These changes indicate significant shifts in breast cancer management due to the pandemic. The decrease in surgical treatments and increase in non-surgical options such as endocrine therapy and radiotherapy suggest adaptations in clinical practices to cope with the challenges posed by the pandemic. Understanding these shifts is crucial for developing strategies to mitigate the impact of future disruptions on breast cancer care and ensuring optimal patient outcomes.https://www.mdpi.com/1718-7729/32/5/247COVID-19breast cancerneoadjuvant therapychemotherapyneoadjuvantendocrine therapy
spellingShingle Adolfo Alejandro Lopez Rios
Alissa Dozois
Alexander T. Johnson
Toros Canturk
Jing Zhang
COVID-19 Pandemic’s Effects on Breast Cancer Screening, Staging at Diagnosis at Presentation, Oncologic Management, and Immediate Reconstruction: A Canadian Perspective
Current Oncology
COVID-19
breast cancer
neoadjuvant therapy
chemotherapy
neoadjuvant
endocrine therapy
title COVID-19 Pandemic’s Effects on Breast Cancer Screening, Staging at Diagnosis at Presentation, Oncologic Management, and Immediate Reconstruction: A Canadian Perspective
title_full COVID-19 Pandemic’s Effects on Breast Cancer Screening, Staging at Diagnosis at Presentation, Oncologic Management, and Immediate Reconstruction: A Canadian Perspective
title_fullStr COVID-19 Pandemic’s Effects on Breast Cancer Screening, Staging at Diagnosis at Presentation, Oncologic Management, and Immediate Reconstruction: A Canadian Perspective
title_full_unstemmed COVID-19 Pandemic’s Effects on Breast Cancer Screening, Staging at Diagnosis at Presentation, Oncologic Management, and Immediate Reconstruction: A Canadian Perspective
title_short COVID-19 Pandemic’s Effects on Breast Cancer Screening, Staging at Diagnosis at Presentation, Oncologic Management, and Immediate Reconstruction: A Canadian Perspective
title_sort covid 19 pandemic s effects on breast cancer screening staging at diagnosis at presentation oncologic management and immediate reconstruction a canadian perspective
topic COVID-19
breast cancer
neoadjuvant therapy
chemotherapy
neoadjuvant
endocrine therapy
url https://www.mdpi.com/1718-7729/32/5/247
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