Transvaginal Repair and Graft Interposition for Rectovaginal Fistula Due to a Neglected Pessary
Bibliographic record
Abstract
BACKGROUND: : There are few reported cases of rectovaginal fistula due to a neglected pessary, with few data to guide management. CASE: : An 83-year-old lady presented with an impacted Gellhorn pessary 5 years after insertion. Upon removal of the pessary in the operating room, a 4-cm high rectovaginal fistula was discovered. An immediate transvaginal layered repair was performed with porcine dermal graft interposition and partial obliteration of the posterior vagina. At 8 months' follow-up, the patient remained asymptomatic with normal bowel function. CONCLUSION: : A large, high rectovaginal fistula due to a neglected pessary can be repaired vaginally with the use of a graft and partial obliteration of the posterior vagina to provide additional layers of closure, without the need for colostomy. The literature is reviewed, focusing on the management of pessary-related rectovaginal fistula and the role of graft augmentation.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".