programas cribado cancer

ACTUALIZACIÓN BIBLIOGRÁFICA

Nota Bibliográfica

Esta Nota es una recopilación de publicaciones (artículos, informes, libros) sobre cribado de cáncer resultado de una revisión no sistemática de la literatura.

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Josep A Espinás. Pla Director d'Oncología de Catalunya.
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Nota bibliográfica cribado c cérvix 2014-10

Burger EA, Kim JJ. The value of improving failures within a cervical cancer screening program: an example from Norway. Int J Cancer. United States; 2014;135(8):1931–9. doi: 10.1002/ijc.28838. PMID: 24615416.

Failures in cervical cancer (CC) screening include nonparticipation, underscreening and loss to follow-up of abnormal results. We estimated the long-term health benefits from and maximum investments in interventions targeted to improving compliance to guidelines while remaining cost-effective. We used a mathematical model empirically calibrated to simulate the natural history of CC in Norway. A baseline scenario reflecting current practice using cytology-based screening was compared to scenarios that target different sources of noncompliance: (i) failure to follow-up women with abnormal results, (ii) screening less frequently than recommended (i.e., underscreening) and (iii) absence of screening. A secondary analysis included human papillomavirus (HPV)-based screening as the primary test. Model outcomes included reductions in lifetime cancer risk and incremental net monetary benefit (INMB) resulting from improvements with compliance. Compared to the status quo, improving all sources of noncompliance leads to important health gains and produced positive INMBs across a range of developed-country willingness-to-pay (WTP) thresholds. For example, a 2% increase in compliance could reduce lifetime cancer risk by 1-3%, depending on the targeted source of noncompliance and primary screening method. Assuming a WTP threshold of $83,000 per year of life saved and cytology-based screening, interventions that increase follow-up of abnormal results yielded the highest INMB per 2% increase in coverage [$19 ($10-21)]. With HPV-based screening, recruiting nonscreeners resulted in the largest INMB [$23 ($18-32)]. Considerable funds could be allocated toward policies that improve compliance with screening under the current cytology-based program or toward adoption of primary HPV-based screening while remaining cost-effective.

 

Nota bibliográfica cribado c cervix 2014-09

Farnsworth A. Changes to cervical screening in Australia: applying lessons learnt. Med J Aust. 2014;201(5):245–6. Available from: http://www.ncbi.nlm.nih.gov/pubmed/25163361. doi: 10.5694/mja14.00935. PMID: 25163361.

Conclusions:Brief written information on overdiagnosis was incompletely understood, but reduced breast screening intentions in a proportion of women, regardless of comprehension. Subjective comprehension was lower among women who had not yet reached screening age but the deterrent effect was higher.British Journal of Cancer advance online publication, 28 August 2014; doi:10.1038/bjc.2014.482 www.bjcancer.com.

Budd AC, Brotherton JML, Gertig DM, Chau T, Drennan KT, Saville M. Cervical screening rates for women vaccinated against human papillomavirus. Med J Aust. 2014;201(5):279–82. Available from: http://www.ncbi.nlm.nih.gov/pubmed/25163380. doi: 10.5694/mja14.00021. PMID: 25163380.

CONCLUSIONS: Despite education messages provided to young women, our results suggest that vaccinated women are being screened at lower rates than unvaccinated women in Australia. While some degree of undermatching of women in the study may have occurred, this cannot wholly explain our findings. Effective implementation of Individual Healthcare Identifiers to health records, including registry records, is needed to prevent potential undermatching of individuals in future linkage studies. In the meantime, efforts to increase participation in cervical screening by vaccinated women are needed

   

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