The Medical journal of Australia · 2019
Routine cervical screening by primary HPV testing: early findings in the renewed National Cervical Screening Program.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Machalek Dorothy A, Roberts Jennifer M, Garland Suzanne M, Thurloe Julia, Richards Adele, Chambers Ian, Sivertsen Terri, Farnsworth Annabelle
Аннотация
OBJECTIVES: To report human papillomavirus (HPV) testing patterns and rates of oncogenic HPV-positivity for specimens submitted during the first 6 months after the National Cervical Screening Program switched from cytology- to primary HPV-based screening.
DESIGN, PARTICIPANTS: Retrospective cross-sectional review of 195 606 specimens submitted for HPV testing, 1 December 2017 - 31 May 2018.
SETTING: Large community-based general pathology laboratory in metropolitan Sydney.
MAIN OUTCOME MEASURES: Prevalence of oncogenic HPV types (all, HPV16/18, non-HPV16/18) by reason for HPV test (primary screening, non-screening); for oncogenic HPV-positive women in the age band recommended for primary HPV screening (25-74 years), prevalence of cytologic abnormality and rates of 12-month follow-up and colposcopy recommendations.
RESULTS: 195 606 samples were received: 157 700 (80.6%) for primary screening, 37 906 (19.4%) for non-screening tests. Oncogenic HPV was detected in 8.1% of screening tests (95% CI, 7.9-8.2%) and 20.9% of non-screening tests (95% CI, 20.5-21.3%); 35.5% (95% CI, 34.7-36.4%) of women of recommended screening age with positive oncogenic HPV screening test results also had a cytologic abnormality. The proportion of HPV16/18-positive samples with high grade abnormality was 15.3% (95% CI, 14.2-16.6%); for samples positive for other oncogenic HPV types, the proportion was 6.3% (95% CI, 5.8-6.8%). Repeat HPV testing after 12 months was recommended for 5.4% (95% CI, 5.3-5.5%) and direct colposcopy for 2.6% (95% CI, 2.5-2.7%) of screened women aged 25-74 years.
CONCLUSIONS: High grade cytologic abnormalities were more common in women positive for HPV16/18, supporting their higher risk classification. Colposcopy referral rates were higher than during primary cytology-based testing, as predicted by clinical trial and modelling data. The prevalence of HPV was much higher in non-screening than in primary screening samples. Our findings indicate the renewed program is performing as expected during the initial HPV screening round.
DESIGN, PARTICIPANTS: Retrospective cross-sectional review of 195 606 specimens submitted for HPV testing, 1 December 2017 - 31 May 2018.
SETTING: Large community-based general pathology laboratory in metropolitan Sydney.
MAIN OUTCOME MEASURES: Prevalence of oncogenic HPV types (all, HPV16/18, non-HPV16/18) by reason for HPV test (primary screening, non-screening); for oncogenic HPV-positive women in the age band recommended for primary HPV screening (25-74 years), prevalence of cytologic abnormality and rates of 12-month follow-up and colposcopy recommendations.
RESULTS: 195 606 samples were received: 157 700 (80.6%) for primary screening, 37 906 (19.4%) for non-screening tests. Oncogenic HPV was detected in 8.1% of screening tests (95% CI, 7.9-8.2%) and 20.9% of non-screening tests (95% CI, 20.5-21.3%); 35.5% (95% CI, 34.7-36.4%) of women of recommended screening age with positive oncogenic HPV screening test results also had a cytologic abnormality. The proportion of HPV16/18-positive samples with high grade abnormality was 15.3% (95% CI, 14.2-16.6%); for samples positive for other oncogenic HPV types, the proportion was 6.3% (95% CI, 5.8-6.8%). Repeat HPV testing after 12 months was recommended for 5.4% (95% CI, 5.3-5.5%) and direct colposcopy for 2.6% (95% CI, 2.5-2.7%) of screened women aged 25-74 years.
CONCLUSIONS: High grade cytologic abnormalities were more common in women positive for HPV16/18, supporting their higher risk classification. Colposcopy referral rates were higher than during primary cytology-based testing, as predicted by clinical trial and modelling data. The prevalence of HPV was much higher in non-screening than in primary screening samples. Our findings indicate the renewed program is performing as expected during the initial HPV screening round.