Implementing community-based human papillomavirus self-sampling with SMS text follow-up for cervical cancer screening in rural, southwestern Uganda.
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ABSTRACT: Background
Self-collected HPV screening may improve cervical cancer screening coverage in low resource countries, yet data guiding implementation and follow-up of abnormal results are sparse.Methods
This is a prospective cohort implementation study of HPV self-testing program in Mbarara, Uganda with mobile phones to facilitate result notification and referral for treatment at a regional hospital. The effectiveness of the interventions was analyzed using Proctor's model of implementation. Women were interviewed following screening and at 6 months to assess acceptability and barriers to follow-up. Data were analyzed using descriptive statistics.Results
159 of 194 (82%) of eligible women underwent HPV self-sampling; of these, 27 (17%) returned positive for high-risk HPV subtypes. We sent SMS messages providing test results and follow-up instructions to all participants. Seventeen (63%) hrHPV-positive participants reported receiving SMS text instructions for follow-up, of whom 6 (35%) presented for follow-up. The most common reasons for not returning were: lack of transportation (n = 11), disbelief of results (n = 5), lack of childcare (n = 4), and lack of symptoms (n = 3). Confidence in test results was higher for self-screening compared to VIA (Likert score 4.8 vs 4.4, P = 0.001).Conclusions
Despite the use of SMS text-based referrals, only one-third of women presented for clinical follow-up after abnormal HPV testing.
SUBMITTER: Joseph NT
PROVIDER: S-EPMC8709902 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:BACKGROUND:Self-sampling for human papillomavirus (HPV) offered to women who do not participate in cervical cancer screening is an increasingly popular method to increase screening coverage. The rationale behind self-sampling is that unscreened women harbour a high proportion of undetected precancer lesions. Here, we compare the cervical intraepithelial neoplasia grade 2 or worse (?CIN2) detection rate between non-attenders who participated in self-sampling and women attending routine screening. METHODS:A total of 23?632 women who were qualified as non-attenders in the Copenhagen Region were invited for HPV-based self-sampling. Of these, 4824 women returned a self-sample, and HPV-positive women were referred for cytology and HPV co-testing as follow-up. The entire cohort and a reference cohort (3347 routinely screened women) were followed for histopathology confirmed ?CIN2. Odds ratio (OR) and the relative positive predictive value of ?CIN2 detection between the two populations were estimated. RESULTS:Women participating in self-sampling had a higher ?CIN2 detection than women undergoing routine cytology-based screening (OR=1.83, 95% CI: 1.21-2.77) and a similar detection as routinely screened women tested with cytology and HPV testing (OR=1.03, 95% CI: 0.75-1.40). The positive predictive value for ?CIN2 was higher in screening non-attenders than in routinely HPV- and cytology-screened screened women (36.5% vs 25.6%, respectively). CONCLUSIONS:Self-sampling offered to non-attenders showed higher detection rates for ?CIN2 than routine cytology-based screening, and similar detection rates as HPV and cytology co-testing. This reinforces the importance of self-sampling for screening non-attenders in organised cervical cancer screening.
| S-EPMC5765223 | biostudies-literature
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