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In a prospective case series, 30 adult patients with ulcerative proctitis underwent an appendectomy, in the absence of history suggestive of previous appendicitis, in order to evaluate its potential therapeutic role [74]. After an appendectomy, the clinical activity index, calculated with the Simple Clinical Colitis Activity Index, improved significantly in 27 out of 30 patients (90%), while the index remained unchanged in the remaining 3 out of 30 patients (10%) [74]. In addition, 12 of 30 patients (40%) had complete resolution of symptoms within 12 months, such that all drug treatments could be discontinued, and remained in remission from all previous treatments for a median of 9 months (range 6–25 months) [74]. The time required for a complete resolution of symptoms after an appendectomy ranged from 1 to 12 months (median 3 months) [74].
In another case series of eight patients treated for refractory ulcerative proctitis, elective appendectomy was performed without symptoms of appendicitis. All patients had a Mayo score at endoscopy of 1 or greater and had healing of the proctitis mucosa, with a follow-up of 3.6 years. Four patients had a single moderate flare-up that responded to topical therapy; four of the eight appendixes removed were macroscopically normal, while the others had a macroscopically inflamed appendix. All patients had signs of acute mucosal inflammation and a transmural neutrophilic infiltrate, typical of acute appendicitis [75].
These studies provided the rationale for conducting controlled trials to properly evaluate the role of appendectomy in the treatment of UP.
Diletta De Deo, Arianna Dal Buono, Roberto Gabbiadini, Paola Spaggiari, Anita Busacca, Benedetta Masoni, Silvia Ferretti, Cristina Bezzio & Alessandro Armuzzi (2024) Management of proctitis in ulcerative colitis and the place of biological therapies, Expert Opinion on Biological Therapy, 24:6, 443-453, DOI: 10.1080/14712598.2024.2369189
In another case series of eight patients treated for refractory ulcerative proctitis, elective appendectomy was performed without symptoms of appendicitis. All patients had a Mayo score at endoscopy of 1 or greater and had healing of the proctitis mucosa, with a follow-up of 3.6 years. Four patients had a single moderate flare-up that responded to topical therapy; four of the eight appendixes removed were macroscopically normal, while the others had a macroscopically inflamed appendix. All patients had signs of acute mucosal inflammation and a transmural neutrophilic infiltrate, typical of acute appendicitis [75].
These studies provided the rationale for conducting controlled trials to properly evaluate the role of appendectomy in the treatment of UP.
Diletta De Deo, Arianna Dal Buono, Roberto Gabbiadini, Paola Spaggiari, Anita Busacca, Benedetta Masoni, Silvia Ferretti, Cristina Bezzio & Alessandro Armuzzi (2024) Management of proctitis in ulcerative colitis and the place of biological therapies, Expert Opinion on Biological Therapy, 24:6, 443-453, DOI: 10.1080/14712598.2024.2369189
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