Effect of lubricating gel on patient comfort during vaginal speculum examination: a randomized controlled trial.

نویسندگان

  • D Ashley Hill
  • Georgine Lamvu
چکیده

OBJECTIVE To estimate the efficacy of lubricating gel compared with using water for pain during vaginal speculum insertion. METHODS This study was a randomized trial of nonpregnant women aged 18-50 years who required a vaginal speculum examination between February and July 2011. Patients blinded to study assignment underwent vaginal speculum examination using a standardized technique with a medium-sized plastic speculum prepared with either 0.3 mL lubricating gel or 3 mL of water used to cover both speculum blades. Patients recorded pain using a 10-cm visual analog scale immediately after speculum insertion. A pre hoc power analysis determined that 55 patients in each arm would be required to detect a difference of 0.9 cm on a 10-cm visual analog scale. RESULTS A total of 299 consecutive women requiring vaginal speculum examination were screened for enrollment and 120 women were randomized with 60 per group. There were no marked differences in the demographic characteristics of the gel (n=59) and water (n=60) participants available for final analysis. The gel group showed significantly lower pain scores for speculum insertion (mean±standard deviation: 1.41±1.55 compared with water 2.15±1.93, P<.01). Of patients undergoing examination with gel, 20 of 59 (33.9%) marked zero on the pain scale compared with six of 60 (10%) patients receiving water (P=.002). All 73 patients who underwent Pap screening had adequate cytology. CONCLUSION Applying a small amount of lubricating gel significantly decreases patient pain during vaginal speculum insertion. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov, www.clinicaltrials.gov, NCT01289665. LEVEL OF EVIDENCE : I.

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عنوان ژورنال:
  • Obstetrics and gynecology

دوره 119 2 Pt 1  شماره 

صفحات  -

تاریخ انتشار 2012