CLINICAL TRIAL
JOURNAL ARTICLE
VIDEO-AUDIO MEDIA
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Performing the Parryscope technique gently for office tubal patency assessment.

OBJECTIVE: To demonstrate a novel approach to office tubal patency assessment through infusing air into saline during flexible office hysteroscopy. We also provide data addressing pain and patient experience relative to hysterosalpingography (HSG).

DESIGN: Video presentation of clinical technique with supportive crossover data (Canadian Task Force classification II-1). Its University of Mississippi Medical Center Institutional Review Board protocol number is 2013-0230.

SETTING: Academic hospital.

PATIENT(S): Women undergoing office hysteroscopy and ultrasound, with a subset also having HSG.

INTERVENTION(S): Air infusion into saline during office hysteroscopy.

MAIN OUTCOME MEASURE(S): The focus is on demonstrating how the technique appears and is performed, with supplemental Likert data addressing subjective pain and preference relative to HSG.

RESULT(S): When performed as described, this office technique has 98.3%-100% sensitivity to tubal occlusion and 83.7% specificity. The gentle technique is central to accurate outcomes, which is facilitated through use of a small-caliber (<3 mm), flexible hysteroscope and avoiding uterine overdistention. Patients are far more likely to report maximum discomfort with HSG. Among patients who also had HSG, 92% somewhat or strongly prefer hysteroscopic assessment. Also, 96% of patients reporting maximum discomfort with HSG had mild to no discomfort with the described technique.

CONCLUSION(S): Air-infused saline at flexible office hysteroscopy can accurately, gently, and rapidly assess tubal patency. Coupled with strong patient preference for this technique over HSG, it is a promising option for evaluating fertility.

CLINICAL TRAIL REGISTRATION NUMBER: NCT02005263.

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