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Tytuł pozycji:

Effectiveness of clinical breast examination as a ‘stand-alone’ screening modality: an overview of systematic reviews

Tytuł:
Effectiveness of clinical breast examination as a ‘stand-alone’ screening modality: an overview of systematic reviews
Autorzy:
Tran Thu Ngan
Nga T. Q. Nguyen
Hoang Van Minh
Michael Donnelly
Ciaran O’Neill
Temat:
Clinical breast examination
Breast cancer
Systematic reviews
LMICs
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
Źródło:
BMC Cancer, Vol 20, Iss 1, Pp 1-10 (2020)
Wydawca:
BMC, 2020.
Rok publikacji:
2020
Kolekcja:
LCC:Neoplasms. Tumors. Oncology. Including cancer and carcinogens
Typ dokumentu:
article
Opis pliku:
electronic resource
Język:
English
ISSN:
1471-2407
Relacje:
http://link.springer.com/article/10.1186/s12885-020-07521-w; https://doaj.org/toc/1471-2407
DOI:
10.1186/s12885-020-07521-w
Dostęp URL:
https://doaj.org/article/3dd7cb88885b4269af08ea3b673654f3  Link otwiera się w nowym oknie
Numer akcesji:
edsdoj.3dd7cb88885b4269af08ea3b673654f3
Czasopismo naukowe
Abstract Background There is uncertainty about the effectiveness of clinical breast examination (CBE) and conflicting recommendations regarding its usefulness as a screening tool for breast cancer. This paper provides an overview of systematic reviews that assessed the effectiveness of CBE as a ‘stand-alone’ screening modality for breast cancer compared to no screening and focused on its value in low- and middle-income countries (LMICs). Methods We searched MEDLINE, EMBASE, Scopus, Web of Science, and the Cochrane Database of Systematic Reviews for systematic reviews reporting the effectiveness of CBE published prior to October 29, 2019. The main outcomes assessed were mortality and down staging. The AMSTAR 2 checklist was used to assess the methodological quality of the reviews including risk of bias. Results Eleven systematic reviews published between 1993 and 2019 were identified. There was no direct evidence that CBE reduced breast cancer mortality. Indirect evidence suggested that a well-performed CBE achieved the same effect as mammography regarding mortality despite its apparently lower sensitivity (40–69% for CBE vs 77–95% for mammography). Greater sensitivity was recorded among younger and Asian women. Moreover, CBE contributed between 17 and 47% of the shift from advanced to early stage cancer. Conclusions CBE merits attention from health system and service planners in LMICs where a national screening programme based on mammography would be prohibitively expensive. In particular, it is likely that considerable value would be gained from conducting implementation scientific research in countries with large numbers of Asian women and/or where younger women are at higher risk. Registration PROSPERO, registration number CRD42019126798 .
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