• Vasilios Pergialiotis, Dimitrios-Efthymios Vlachos, Eleni Pitsouni, Despina Perrea, and Georgios D Vlachos.
• 1Laboratory of Experimental Surgery and Surgical Research N.S. Christeas, 21st Department of Obstetrics and Gynecology, and 33rd Department of Obstetrics and Gynecology, Athens University, Medical School, Alexandra Hospital, Athens, Greece.
• J Low Genit Tract Dis. 2015 Jul 1; 19 (3): 257-61.

ObjectiveInadequate colposcopic results due to inadequate visualization of the cervical transformation zone is a diagnostic problem that is encountered in approximately 10% to 15% of these procedures. The objective of the present systematic review and meta-analysis was to investigate whether misoprostol effectively converts inadequate colposcopic examinations to adequate.Materials And MethodsWe searched MEDLINE (1966-2014), Scopus (2004-2014), Popline (1974-2014), ClinicalTrials.gov (2008-2014), CENTRAL (1999-2014), and Google Scholar (2004-2014) search engines along with reference lists of all electronically retrieved articles. For the meta-analysis of selected indices, we used the RevMan 5.2 program.ResultsTreatment with misoprostol significantly increases the rates of adequate colposcopic examinations (odds ratio [OR] = 6.78, 95% confidence interval [CI] = 2.94-15.61). Its principal adverse effect is abdominal pain (OR = 10.19, 95% CI = 2.19-47.45). Neither nausea (105 women, random effects model [REM], OR = 4.99, 95% CI = 0.54-45.71) nor fever (111 women, REM, OR = 3.90, 95% CI = 0.59-25.56) or diarrhea (111 women, REM, OR = 2.21, 95% CI = 0.49-10.00) was found increased among women receiving misoprostol. The conversion rates toward an adequate examination ranged between 55.5% and 78.9% in the misoprostol group.ConclusionsAccording to our meta-analysis, misoprostol seems to improve the conversion rates from inadequate colposcopic examinations to adequate diagnoses. However, firm results to generalize our findings among specific populations, such as those already having a previous conization, are precluded by the small number of enrolled studies. Thus, future research in the field becomes necessary.

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