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  • Title: Michelassi II Strictureplasty for Crohn's Disease: A New Side-to-Side Isoperistaltic Strictureplasty With Discontinuous Bowel Loops.
    Author: Mege D, Michelassi F.
    Journal: Ann Surg; 2020 Jan; 271(1):e1-e2. PubMed ID: 31860550.
    Abstract:
    OBJECTIVE: We report on a new side-to-side isoperistaltic strictureplasty (SSIS), the Michelassi II or end-to-side-to-side-to-end strictureplasty, performed with discontinuous bowel loops. SUMMARY BACKGROUND DATA: The SSIS Michelassi strictureplasty was described a quarter of a century ago to avoid massive bowel resections in patients with extensive fibrostenosing Crohn's jejuno-ileitis. METHODS: The end-to-side-to-side-to-end strictureplasty is performed in patients presenting with 3 severely fibrotic and deformed bowel loops separated by 2 diseased segments with sequential strictures. After the resection of the 3 severely diseased segments, the remaining 2 discontinuous segments are used to perform a SSIS, according to the original description. The 2 ends of the SSIS are then anastomosed with the proximal and the distal bowel, respectively. In the presence of discrepancy in length between the 2 discontinuous segments, the proximal small bowel is recruited to equalize the length and aid in the performance of the SSIS. CONCLUSIONS: The Michelassi II, or the end-to-side-to-side-to-end strictureplasty, is a variant of the original SSIS technique to address severe and extensive small bowel Crohn's disease presenting with 3 severely fibrotic and deformed bowel loops separated by 2 diseased segments with sequential strictures.
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