Dataset Information

Integrated screening of migrants for multiple infectious diseases: Qualitative study of a city-wide programme.

ABSTRACT:

Background

Migrants from certain regions are at increased risk of key infectious diseases (including HIV, tuberculosis (TB), hepatitis B and hepatitis C). Although guidelines increasingly recommend integrated screening for multiple infections to reduce morbidity little is known about what migrants and healthcare professionals think about this approach.

Methods

Prospective qualitative study in Leicester, United Kingdom within a novel city-wide integrated screening programme in three iterative phases to understand views about infections and integrated screening. Phase 1 focus groups (nine) with migrants from diverse communities (n = 74); phase 2 semi-structured interviews with healthcare professionals involved in the screening pathway (n = 32); phase 3 semi-structured interviews (n = 23) with individuals having tested positive for one/more infections through the programme. Analysis was informed by the constant comparative process and iterative across phases 1-3.

Findings

Migrants' awareness of TB, HIV and hepatitis B/C varied, with greater awareness of TB and HIV than hepatitis B/C; perceived susceptibility to the infections was low. The integrated screening programme was well-received by migrants and professionals; concerns were limited to data-sharing. As anticipated, given the target group, language was cited as a challenge but mitigated by various interpretation strategies.

Interpretation

This large qualitative analysis is the first to confirm that integrated screening for key infectious diseases is feasible, positively viewed by, and acceptable to, migrants and healthcare professionals. These findings support recent guideline recommendations and therefore have important implications for policy-makers and clinicians as programmes of this type are more widely implemented in diverse settings.

Funding

National Institute for Health Research.

SUBMITTER: Eborall H

PROVIDER: S-EPMC7170938 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Publications

Integrated screening of migrants for multiple infectious diseases: Qualitative study of a city-wide programme.

Eborall Helen H Wobi Fatimah F Ellis Kate K Willars Janet J Abubakar Ibrahim I Griffiths Chris C Pareek Manish M

EClinicalMedicine 20200418

<h4>Background</h4>Migrants from certain regions are at increased risk of key infectious diseases (including HIV, tuberculosis (TB), hepatitis B and hepatitis C). Although guidelines increasingly recommend integrated screening for multiple infections to reduce morbidity little is known about what migrants and healthcare professionals think about this approach.<h4>Methods</h4>Prospective qualitative study in Leicester, United Kingdom within a novel city-wide integrated screening programme in thre ...[more]

PMID: 32322806

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Project description:BackgroundMigration is a major global driver of population change. Certain migrants may be at increased risk of infectious diseases, including tuberculosis (TB), HIV, hepatitis B and hepatitis C, and have poorer outcomes. Early diagnosis and management of these infections can reduce morbidity, mortality and onward transmission and is supported by national guidelines. To date, screening initiatives have been sporadic and focused on individual diseases; systematic routine testing of migrant groups for multiple infections is rarely undertaken and its impact is unknown. We describe the protocol for the evaluation of acceptability, effectiveness and cost-effectiveness of an integrated approach to screening migrants for a range of infectious diseases in primary care.Methods and analysisWe will conduct a mixed-methods study which includes an observational cohort with interrupted time-series analysis before and after the introduction of routine screening of migrants for infectious diseases (latent TB, HIV, hepatitis B and hepatitis C) when first registering with primary care within Leicester, UK. We will assess trends in the monthly number and rate of testing and diagnosis for latent TB, HIV, hepatitis B and hepatitis C to determine the effect of the policy change using segmented regression analyses at monthly time-points. Concurrently, we will undertake an integrated qualitative sub-study to understand the views of migrants and healthcare professionals to the new testing policy in primary care. Finally, we will evaluate the cost-effectiveness of combined infection testing for migrants in primary care.Ethics and disseminationThe study has received HRA and NHS approvals for both the interrupted time-series analysis (16/SC/0127) and the qualitative sub-study (16/EM/0159). For the interrupted time-series analysis we will only use fully anonymised data. For the qualitative sub-study, we will gain written, informed, consent. Dissemination of the results will be through local and national meetings/conferences as well as publications in peer-reviewed journals.

Project description:Digital droplet PCR (ddPCR) is a powerful amplification technique for absolute quantification of viral nucleic acids. Although commercial ddPCR devices are effective in the lab bench tests, they cannot meet current urgent requirements for on-site and rapid screening for patients. Here, we have developed a portable and fully integrated lab-on-a-disc (LOAD) device for quantitively screening infectious disease agents. Our designed LOAD device has integrated (i) microfluidics chips, (ii) a transparent circulating oil-based heat exchanger, and (iii) an on-disc transmitted-light fluorescent imaging system into one compact and portable box. Thus, droplet generation, PCR thermocycling, and analysis can be achieved in a single LOAD device. This feature is a significant attribute for the current clinical application of disease screening. For this custom-built ddPCR setup, we have first demonstrated the loading and ddPCR amplification ability by using influenza A virus-specific DNA fragments with different concentrations (diluted from the original concentration to 107 times), followed by analyzing the droplets with an external fluorescence microscope as a standard calibration test. The measured DNA concentration is linearly related to the gradient-dilution factor, which validated the precise quantification for the samples. In addition to the calibration tests using DNA fragments, we also employed this ddPCR-LOAD device for clinical samples with different viruses. Infectious samples containing five different viruses, including influenza A virus (IAV), respiratory syncytial virus (RSV), varicella zoster virus (VZV), Zika virus (ZIKV), and adenovirus (ADV), were injected into the device, followed by analyzing the droplets with an external fluorescence microscope with the lowest detected concentration of 20.24 copies/µL. Finally, we demonstrated the proof-of-concept detection of clinical samples of IAV using the on-disc fluorescence imaging system in our fully integrated device, which proves the capability of this device in clinical sample detection. We anticipate that this integrated ddPCR-LOAD device will become a flexible tool for on-site disease detection.

Dataset Information

Integrated screening of migrants for multiple infectious diseases: Qualitative study of a city-wide programme.

Background

Methods

Findings

Interpretation

Funding

Publications

Integrated screening of migrants for multiple infectious diseases: Qualitative study of a city-wide programme.

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