Abstract
Abstract Introduction Among patients with neuroproliferative vestibulodynia (NPV) experiencing pain on cotton-tip swab testing at the 1:00-11:00 vestibule prior to complete vestibulectomy surgery, a subset also had pain at the 12:00 vestibule. Excision of the 12:00 core region may be performed concomitantly or after healing from the vestibulectomy. Given that a vaginal flap cannot be advanced to this area, only a core excision is removed and closed using surrounding 12:00 tissue. Differences between the post-operative improvement in the 1:00-11:00 and the 12:00 regions have not been examined to date. To better understand the success of core excision of the 12:00 region, we assessed post-operative patient-reported outcomes specifically of this vestibular region. Objective To characterize patients who underwent 12:00 excision as well as assess Patient Global Impression of Improvement (PGI-I) specifically regarding 12:00 core excision in individuals with NPV. Methods We performed a retrospective chart review of patients from one clinic who had undergone a 12:00 core excision. Preoperative baseline assessments included Vulvar Pain Functional Questionnaire (V-Q), Female Sexual Function Index (FSFI), Short Form McGill Pain Questionnaire (SF-MPQ), cotton-tip swab test results. Dimensions of the excised tissue as determined by pathology report, responses to the PGI-I scale at > 6 months post-op, and any adverse events were collected. Descriptive statistics were conducted to analyze the PGI-I scores and other outcomes. Results The majority of patients (67%, n=21), with an average age of 26, rated their 12:00 pain as “much improved” or “very much improved” on the PGI-I scale. Mean duration of follow up since surgery was one year and five months, with a minimum follow up of 9 months. Most patients (90%) did not have regrets about having the 12:00 region removed. Most patients (83%) would recommend this surgery to other patients who have 12:00 pain. There were no significant post-operative adverse events with 12:00 excision. Mean dimensions of the excised specimen were 1.01 cm x 0.60 cm x 0.21 cm, 3% of the size of the 1:00-11:00 vestibule excised. Preoperatively, patient reported mean FSFI pain domain was 0.67, SF-MPQ 16.80, affective 5.15 and PPI 3.42. Mean V-Q prior to surgery was 11.68, mean cotton-tip swab test result for the 12:00 region was 6.15. Conclusions Performing core excision of a very small volume of tissue during surgery in patients with 12:00 pain is associated with an improved PGI-I score in 67% of patients. Further research with larger sample sizes and longer follow-up periods is warranted to confirm these findings and optimize the management of vestibulodynia. In patients who fail 12:00 core excision surgery, buccal mucosal grafting of the entire 12:00 vestibule may be a future option. Disclosure No.
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