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EVALUATION OF THE RESULTS OF HIGH-GRADE CERVICAL LESION TREATMENT BY CONIZATION METHOD AT HUNG VUONG HOSPITAL FROM 2018-2020
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Abstract
Introduction: Early screening through cytology and HPV screening can help identify precancerous cases to prevent their progression into invasive cervical cancer which can be treated by early interventions. These early interventions may include minimally invasive methods such as conization to remove the damaged tissue from the cervix. Aim Determining the success rate of high-grade Cervical Intraepithelial Neoplasia (CIN) lesions treated through conization methods. Identifying factors associated with treatment outcomes in conization for high-grade Cervical Intraepithelial Neoplasia (CIN) lesions. Methods Cross-sectional study, sample size 220 cases undergoing initial conization in Hung Vuong hospital from 2018 to 2022. Results The success rate of treating high-grade Cervical Intraepithelial Neoplasia (CIN) lesions through conization after 30 months is 87.7% (95% CI: 83.36-92.1%). The failure rate is 12.3%. Factors associated with conization treatment outcomes for CIN lesions: Age ≥ 38 years increases the risk of treatment failure with an odds ratio (OR) of 1.32 (95% CI: 1.22-3.95). This difference is statistically significant with p=0.012 < 0.05. Postmenopausal status increases the risk of treatment failure with an odds ratio (OR) of 1.18 (95% CI: 1.07-3.7). This difference is statistically significant with p=0.004 < 0.05. HPV infection post-conization significantly raises the risk of treatment failure by 5.8 times compared to HPV-negative cases, with an odds ratio (OR) of 5.8 (95% CI: 3.69-8.27). This difference is statistically significant with p < 0.001 < 0.05. Conclusion: Treatment of high-grade cervical lesions using the loop electrosurgical excision procedure (LEEP) or normal knife conization is associated with a high success rate. Advanced age, postmenopausal status, and post-conization HPV infection are identified as factors that increase the risk of treatment failure for conization procedures.
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