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Poster Display session

13P - Cervical cancer screening in a Basic Health Unit in South of Brazil: impact of the COVID-19 pandemic

Date

23 Feb 2023

Session

Poster Display session

Presenters

Isabella Michelon

Citation

Annals of Oncology (2023) 8 (1suppl_1): 100863-100863. 10.1016/esmoop/esmoop100863

Authors

I.F. Michelon, I. Silveira Pinheiro, M.E. Ayres Obelar, A. Teixeira, C. Amaral, F. Nedel

Author affiliations

  • Catholic University of Pelotas, Pelotas/BR

Resources

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Abstract 13P

Background

About 90% of the estimated cervical cancer deaths occur in low and middle-income countries. In Brazil, cervical cytology (i.e Pap smear) is a widely used strategy for its early detection. Considering the crucial role of the primary care in women’s health in Brazil and the COVID-19 pandemic related health crisis, this cross-sectional study aimed to analyze the repercussions of the COVID-19 pandemic in cervical cancer screening in a teaching Basic Health Unit (BHU) from South of Brazil, in the city of Pelotas.

Methods

This study was approved by the institutional ethics committee (5.706.229). We analyzed records of Pap smears performed between February 2019 to February 2020 and March 2020 to April 2022, referred to as pre-pandemic and pandemic period. The statistical analysis was performed using the Statistical Package for the Social Sciences program.

Results

The sample mean age was 43.6 years and they were mostly residents of the area covered by the BHU (94.35%). During the pre-pandemic and pandemic period 339 and 653 exams were collected, respectively. A 42% reduction in tests performed in 2020 compared to 2019 was observed as well as an increase of 107% in 2021 compared to 2020. An increase was assessed in the rate of non-residents (of the area of responsibility of the BHU) performing Pap tests in the Unit during the pandemic period (p = 0.001). Most of the results were negative for intraepithelial lesion or malignancy (NILM). A significant difference in abnormal results in the pre-pandemic and pandemic period, respectively, was seen (p = 0.012). Table: 13P

Association between the pre-pandemic and COVID-19 pandemic period and Pap smears results

Pre-pandemic period N (%) Pandemic period N (%) P value
Residents of the area covered by the BHU*
Yes 328 (97) 608 (95) 0.001
No 10 (3) 30 (5)
Cervical cytology*
NILM 306 (95.6) 567 (91.0) 0.012
Abnormal 14 (4.4) 56 (9.0) 0.012

*Variables with data missing

Conclusions

The crisis brought on by the COVID-19 pandemic may have exacerbated pre-existing health disparities in cervical cancer already present in Brazil in pre-pandemic periods. Recovery strategies in primary care are needed to prioritize high-risk patients and lessen the burden of cervical cancer in the future.

Legal entity responsible for the study

The authors.

Funding

Has not received any funding.

Disclosure

All authors have declared no conflicts of interest.

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