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DOI: 10.1055/a-1769-4612
Endoscopic sinusotomy using the small-ceramic-tip-insulated electrosurgical knife for chronic pouch sinus after ileal pouch anal anastomosis in ulcerative colitis: a case report
A 23-year-old man with a history of total colectomy and ileal pouch anal anastomosis for ulcerative colitis had a presacral sinus opening along the suture line of the ileal pouch after surgery that had been performed 2 years previously ([Fig. 1], [Fig. 2]). Computed tomography-guided drainage, endoscopic sinus clipping closure, and transanal sinusotomy were performed; however, repeated amidotrizoic acid enema indicated a persistent presacral pouch sinus. Consequently, endoscopic sinusotomy was performed to unify the sinus and the ileal pouch ([Video 1]).
Video 1 Endoscopic sinusotomy using ITknife nano.
Quality:
The orifice of the sinus was initially incised using a needle knife (Olympus, Tokyo, Japan) and was subsequently widened using an ITknife nano (Olympus), with an insulated ball tip; this prevents blinded tissue injuries behind the septum. A transendoscopic amidotrizoic acid enema was administered again to confirm the direction of the sinus. After unifying the sinus and the ileal pouch, the surrounding mucosa was removed by snare resection, and triamcinolone was injected into the sinus wall to maintain its integrity, as its early closure could have led to a recurrence. A follow-up endoscopy 3 weeks later revealed ulceration of the unified sinus wall, which gradually epithelialized within 9 months ([Fig. 3]).
Endoscopic sinusotomy is a safe and effective approach, and is associated with fewer adverse events when compared with surgical therapies [1]. The ITknife nano can prevent blinded tissue injuries and helps widen the sinus effectively.
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Publication History
Article published online:
10 March 2022
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Reference
- 1 Lan N, Hull TL, Shen B. Endoscopic sinusotomy versus redo surgery for the treatment of chronic pouch anastomotic sinus in ulcerative colitis patients. Gastrointest Endosc 2019; 89: 144-156