• Ramani S Wesley, Richard Muwonge, Catherine Sauvaget, Somanathan Thara, and Rengaswamy Sankaranarayanan.
• Regional Cancer Centre, Trivandrum, India.
• Int J Gynaecol Obstet. 2013 Oct 1; 123 (1): 16-20.

ObjectiveTo describe the effectiveness of cryotherapy for treating women who were histologically confirmed to have cervical intraepithelial neoplasia (CIN) in India.MethodsData were analyzed retrospectively from screening projects that collected data from January 2001 to May 2008 in Trivandrum, India. Women with CIN were appropriately treated with cryotherapy by a trained nurse or physician and followed up for cure, adverse events, and complications. Cure was defined as absence of CIN during any follow-up visit at least 1 year after treatment.ResultsAmong 236 women identified with CIN and appropriately treated with cryotherapy, 173 (81.6%) were followed up (158 CIN 1 and 15 CIN 2 cases). The percentage cure for CIN 1 and 2 lesions was 93.0% and 86.7% respectively. An odds ratio of 0.2 (95% confidence interval, 0.0-0.9) was observed for treatment received more than 2 months after screening as compared with treatment received within 2 months. Complications were observed in 1.2% of treated women and adverse events (discharge and mild pain) in 26.6%.ConclusionThe study affirms that trained mid-level providers can appropriately perform cryotherapy in primary healthcare services and that expanding such services in low-resource settings would increase the availability and accessibility of precancer treatment.© 2013.

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