Perioperative Histologically Controlled Fistula Resection in Patients with Imperforate Anus and Perineal Fistula
Topic overview
This study demonstrates that intraoperative histological assessment during fistula resection in imperforate anus patients reduces postoperative constipation from 60% to 6.5%. The technique identifies aganglionic or hypoganglionic segments in 70% of cases, enabling precise resection and pull-through of normally innervated bowel during posterior sagittal anorectoplasty.
Key takeaways
- 70.7% of perineal fistulas in imperforate anus patients showed aganglionic segments, explaining high postoperative constipation rates.
- Perioperative histological control ensures resection of abnormally innervated fistula tissue and pull-through of normoganglionic rectum.
- PHCFR reduced postoperative constipation from reported 60% to only 6.5% in this 92-patient cohort.
- Intraoperative frozen section with ≥4 ganglion cells in myenteric plexus confirms adequate resection margin.
- Median continence score of 7/7 demonstrates excellent functional outcomes when normoganglionic bowel is preserved.
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How to cite: GlobalCastMD. Perioperative Histologically Controlled Fistula Resection in Patients with Imperforate Anus and Perineal Fistula. GlobalCastMD Medical Library. 2023-11-28. https://library.globalcastmd.com/article/8427
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