Impact of the COVID-19 pandemic on clinical presentation, treatments, and outcomes of new breast cancer patients: A retrospective multicenter cohort study.

ABSTRACT:

Background

The SARS CoV-2 pandemic disrupted healthcare systems. We compared the cancer stage for new breast cancers (BCs) before and during the pandemic.

Methods

We performed a retrospective multicenter cohort study on the data warehouse of Greater Paris University Hospitals (AP-HP). We identified all female patients newly referred with a BC in 2019 and 2020. We assessed the timeline of their care trajectories, initial tumor stage, and treatment received: BC resection, exclusive systemic therapy, exclusive radiation therapy, or exclusive best supportive care (BSC). We calculated patients' 1-year overall survival (OS) and compared indicators in 2019 and 2020.

Results

In 2019 and 2020, 2055 and 1988, new BC patients underwent cancer treatment, and during the two lockdo

SUBMITTER: Guevel E 

PROVIDER: S-EPMC10709737 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature