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Background/Aims: One complication of restorative proctocolectomy with ileo-anal pouch anastomosis is fistula formation in the pouch. Fistulas can be associated with significant morbidity and pouch failure. We conducted a systematic review with meta- analysis to try and understand the prevalence of pouch fistulas in patients with ulcerative colitis following restorative proctocolectomy. Methods: The Embase, Embase Classic, and PubMed databases were searched between January 1979 and April 2022. Studies were included if there were cross-sectional, case-controlled, population-based or cohort studies reporting on prevalence of pouch fistulas in ulcerative colitis. Studies had to report the number of patients with pouch fistulas using either clinical, endoscopic, or radiological diagnosis in an adult population. Results: Thirty-three studies screened met the inclusion criteria. The pooled prevalence of developing at least 1 fistula was 0.05 (95% confidence interval [CI], 0.04-0.07). The pooled prevalence of pouch failure in patients with pouch fistula was found to be 0.24 (95% CI, 0.19-0.30). The pooled prevalence of developing a pouch fistula at 3 years, 5 years and more than 5 years was 0.04 (95% CI, 0.02-0.07), 0.05 (95% CI, 0.02-0.07), and 0.05 (95% CI, 0.02-0.10), respectively. Conclusions: This is the first systematic review and meta-analysis to report the prevalence of pouch fistula. It also provides a pooled prevalence of pouch failure in these patients. These results can help to shape future guidelines, power future studies, and help counsel patients.
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INTRODUCTION: The aim of this study was to report the frequency and impact of endoscopic response and remission on the risk of subsequent pouchitis in patients with Crohn's disease like pouch inflammation (CDLPI) on therapy. METHODS: This was a single center, retrospective study of patients >18 years with CDLPI on therapy. RESULTS: Among 110 included patients with CDLPI in clinical remission, endoscopic remission was not significantly associated with a reduced risk of subsequent pouchitis when compared to endoscopic response. CONCLUSIONS: Endoscopic response, not remission, is sufficient to reduce the risk of subsequent pouchitis in patients with CDLPI.
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In this prospective, multicenter observational study of highly refractory patients with Crohn's disease of the pouch, risankizumab achieved the primary outcome of clinical remission in 50% and the more stringent secondary outcome of antibiotic- and steroid-free remission in 30.8% at 12 weeks.
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INTRODUCTION: The impact of pregnancy on the development of pouchitis in women who have undergone total proctocolectomy with ileal pouch anal anastomosis for ulcerative colitis is poorly understood. METHODS: This was a retrospective study of women with ulcerative colitis who underwent total proctocolectomy with ileal pouch anal anastomosis and subsequently became pregnant at Mount Sinai Hospital. The primary outcome was acute pouchitis during pregnancy or the postpartum period defined as symptoms of increased stool frequency and urgency treated with antibiotics. RESULTS: A total of 44 women with 63 pregnancies and complete data were identified. Acute pouchitis occurred in 14 pregnancies (22.2%) in 12 women and in the postpartum period of 10 pregnancies (15.9%) in 9 women. Acute pouchitis occurred more frequently in women with a history of acute pouchitis immediately before, during, or after pregnancy. DISCUSSION: Acute pouchitis was common during pregnancy and the postpartum period, likely due to microbial shifts. Although not statistically significant, these results provide insight into the impact of pregnancy on the risk of pouchitis and establish the framework for preconception counseling that focuses on prevention and management of pouchitis during pregnancy.
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Colitis Ulcerosa , Periodo Posparto , Reservoritis , Complicaciones del Embarazo , Proctocolectomía Restauradora , Humanos , Femenino , Reservoritis/etiología , Reservoritis/epidemiología , Reservoritis/diagnóstico , Embarazo , Estudios Retrospectivos , Adulto , Colitis Ulcerosa/cirugía , Proctocolectomía Restauradora/efectos adversos , Enfermedad Aguda , Complicaciones del Embarazo/etiología , Complicaciones del Embarazo/epidemiología , Factores de Riesgo , Adulto Joven , Reservorios Cólicos/efectos adversos , Antibacterianos/uso terapéuticoRESUMEN
Functional pouch disorders such as dyssynergic defecation, fecal incontinence, and irritable pouch syndrome are common and manifest with symptoms that overlap with those of pouchitis. The appropriate recognition of these disorders is imperative to guide necessary management and reduce unnecessary antibiotic exposure.
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The restorative proctocolectomy with ileal pouchanal anastomosis is the preferred surgery for patients with medically refractory ulcerative colitis. Although the ileal pouchanal anastomosis provides gastrointestinal continuity and is an excellent alternative to a permanent end ileostomy, it is not without its complications including acute pouchitis, which occurs in up to 80% of patients. Diet may have a significant impact on pouch function and the development of pouchitis by virtue of its impact on motility and the microbiome. Multiple studies have evaluated the ability of different diets and supplements to improve pouch function and manage pouchitis, yet results are conflicting; thus, evidence-based dietary recommendations are lacking. Patients with an ileoanal pouch routinely ask about dietary interventions to maintain pouch health, and it is crucial that concrete evidence-based recommendations are identified to provide guidance. The goal of this systematic review is to summarize the available data on dietary patterns in patients with an ileoanal pouch, dietary interventions in this cohort, and the impact of supplements on pouch function and pouchitis.
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INTRODUCTION: To better inform the risk of cuffitis in patients with ulcerative colitis (UC), we aimed to identify its occurrence and associated precolectomy factors in a large multicenter cohort of patients who underwent restorative proctocolectomy (RPC) with stapled ileal pouch-anal anastomosis (IPAA). METHODS: This study was a retrospective cohort analysis of individuals diagnosed with UC or indeterminate colitis who underwent RPC with IPAA for refractory disease or dysplasia at Mount Sinai Hospital or the University of Chicago followed by at least 1 pouchoscopy with report of the pouch-anal anastomosis. The primary outcome was cuffitis defined as ulceration of the cuff as reported in each pouchoscopy report. RESULTS: The pouch-anal anastomosis was mentioned in the pouchoscopy reports of 674 patients, of whom 525 (77.9%) had a stapled anastomosis. Among these, cuffitis occurred in 313 (59.6%) patients a median of 1.51 (interquartile range 0.59-4.17) years after final surgical stage. On multivariable analysis, older age (hazard ratio [HR], 1.01; 95% confidence interval [CI], 1.01-1.02), extensive disease (HR, 1.34; 95% CI, 1.01-1.78), exposure to biologics before colectomy (HR, 2.51; 95% CI, 1.93-3.27), and exposure to at least 2 or more biologics before colectomy (HR, 2.18; 95% CI, 1.40-3.39) were significantly associated with subsequent cuffitis. CONCLUSIONS: In this multicenter study of patients who underwent RPC with stapled IPAA and at least 1 follow-up pouchoscopy, cuffitis occurred in approximately 60% and was significantly associated with extensive disease and exposure to multiple biologics precolectomy.
In this multicenter study of patients who underwent restorative proctocolectomy with stapled ileal pouchanal anastomosis and at least 1 subsequent pouchoscopy, endoscopic cuffitis occurred in 60% and was significantly associated with extensive disease and exposure to multiple biologics.
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Chronic disorders of a pelvic pouch may result from structural complications secondary to postoperative surgical complications which manifest as a variety of symptoms. Knowing the crucial pitfalls of pouch construction can guide treatment options in patients suffering from signs of pouch failure.
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Reservorios Cólicos , Proctocolectomía Restauradora , Humanos , Proctocolectomía Restauradora/efectos adversos , Proctocolectomía Restauradora/métodos , Reservorios Cólicos/efectos adversos , Anastomosis Quirúrgica , Colitis Ulcerosa/cirugía , Complicaciones Posoperatorias/etiología , Canal Anal/cirugíaRESUMEN
INTRODUCTION: There is a paucity of data on the real-world effectiveness of therapies in patients with Crohn's disease of the pouch. METHODS: This was a prospective multicenter study evaluating the primary outcome of remission at 12 months of therapy for Crohn's disease of the pouch. RESULTS: One hundred thirty-four patients were enrolled. Among the 77 patients with symptoms at baseline, 35 (46.7%) achieved remission at 12 months. Of them, 12 (34.3%) changed therapy. There was no significant association between therapy patterns and remission status. DISCUSSION: Approximately 50% with symptoms at enrollment achieved clinical remission at 12 months, most of whom did so without a change in therapy.
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We have seen an emergence of new literature supporting the use of advanced therapies in the treatment of chronic inflammatory conditions of the pouch. In this discussion, we review the use of advanced therapies for chronic pouchitis and Crohn's-like disease of the pouch and suggest future directions for research and clinical care.
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Colitis Ulcerosa , Reservorios Cólicos , Enfermedad de Crohn , Reservoritis , Proctocolectomía Restauradora , Humanos , Colitis Ulcerosa/tratamiento farmacológico , Colitis Ulcerosa/cirugíaRESUMEN
Background: Micronutrient deficiencies may occur after restorative proctocolectomy (RPC) with ileal pouch-anal anastomosis (IPAA) in patients with ulcerative colitis (UC), largely due to malabsorption and/or pouch inflammation. Objectives: The objective of this study was to report the frequency of iron deficiency in patients with UC who underwent RPC with IPAA and identify associated risk factors. Methods: We conducted a retrospective chart review of patients with UC or IBD-unclassified who underwent RPC with IPAA at Mount Sinai Hospital between 2008 and 2017. Patients younger than 18 years of age at the time of colectomy were excluded. Descriptive statistics were used to analyze baseline characteristics. Medians with interquartile range (IQR) were reported for continuous variables, and proportions were reported for categorical variables. Iron deficiency was defined by ferritin <30 ng/mL. Logistic regression was used to analyze unadjusted relationships between hypothesized risk factors and the outcome of iron deficiency. Results: A total of 143 patients had iron studies a median of 3.0 (IQR 1.7-5.6) years after final surgical stage, of whom 73 (51.0%) were men. The median age was 33.5 (IQR 22.7-44.3) years. Iron deficiency was diagnosed in 80 (55.9%) patients with a median hemoglobin of 12.4 g/dL (IQR 10.9-13.3), ferritin of 14 ng/mL (IQR 9.0-23.3), and iron value of 44 µg/dL (IQR 26.0-68.8). Of these, 29 (36.3%) had a pouchoscopy performed within 3 months of iron deficiency diagnosis. Pouchitis and cuffitis were separately noted in 4 (13.8%) and 13 (44.8%) patients, respectively, and concomitant pouchitis-cuffitis was noted in 9 (31.0%) patients. Age, sex, anastomosis type, pouch duration, and history of pouchitis and/or cuffitis were not associated with iron deficiency. Conclusion: Iron deficiency is common after RPC with IPAA in patients with UC. Cuffitis is seen in the majority of patients with iron deficiency; however, iron deficiency may occur even in the absence of inflammation.
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Predictive scores for ASUC outcomes according to time of application.
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Colitis Ulcerosa , Humanos , Enfermedad Aguda , Colectomía , Colitis Ulcerosa/diagnóstico , Colitis Ulcerosa/tratamiento farmacológico , Colitis Ulcerosa/cirugíaRESUMEN
Patients with isolated pouch body anastomotic ulcers may present with clinically significant symptoms such as increased stool frequency and hematochezia. Isolated pouch body anastomotic ulcers do not increase the risk of future pouchitis.
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Background: Evidence-based recommendations regarding the influence of diet on inflammatory conditions of the pouch after restorative proctocolectomy with ileal pouch-anal anastomosis (IPAA) are limited. Methods: We analyzed dietary patterns at enrollment in a prospective registry of patients with 1 of 4 inflammatory conditions of the pouch (acute pouchitis, chronic antibiotic-dependent pouchitis, chronic antibiotic refractory pouchitis, and Crohn's disease of the pouch). We analyzed dietary intake by disease activity at enrollment and then compared dietary patterns among patients who remained in remission throughout the 12-month follow-up to those patients who experienced a disease relapse. We also compared dietary patterns among patients with inflammatory conditions of the pouch to the United States Department of Agriculture (USDA) recommended daily goals. Results: Among 308 patients, there were no differences in dietary patterns among patients with 1 of the 4 disease states at enrollment. Additionally, among the 102 patients in remission at baseline, there were no significant differences noted among patients who went on to experience a disease flare in the 12 months after enrollment compared to those patients who remained in remission. However, patients with inflammatory conditions of the pouch demonstrated decreased intake of several food groups and macronutrients including dairy, fruits, vegetables, whole grains, and fiber when compared to USDA recommendations. Conclusions: In a prospective cohort, we demonstrated no impact of dietary patterns on disease activity. The relative deficiencies in several food groups and macronutrients among patients after IPAA indicate the potential role of targeted nutritional counseling in this population.
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Ulcerative colitis (UC) is an idiopathic chronic inflammatory disease of the colon with sharply rising global prevalence. Dysfunctional epithelial compartment (EC) dynamics are implicated in UC pathogenesis although EC-specific studies are sparse. Applying orthogonal high-dimensional EC profiling to a Primary Cohort (PC; n=222), we detail major epithelial and immune cell perturbations in active UC. Prominently, reduced frequencies of mature BEST4+OTOP2+ absorptive and BEST2+WFDC2+ secretory epithelial enterocytes were associated with the replacement of homeostatic, resident TRDC+KLRD1+HOPX+ γδ+ T cells with RORA+CCL20+S100A4+ TH17 cells and the influx of inflammatory myeloid cells. The EC transcriptome (exemplified by S100A8, HIF1A, TREM1, CXCR1) correlated with clinical, endoscopic, and histological severity of UC in an independent validation cohort (n=649). Furthermore, therapeutic relevance of the observed cellular and transcriptomic changes was investigated in 3 additional published UC cohorts (n=23, 48 and 204 respectively) to reveal that non-response to anti-Tumor Necrosis Factor (anti-TNF) therapy was associated with EC related myeloid cell perturbations. Altogether, these data provide high resolution mapping of the EC to facilitate therapeutic decision-making and personalization of therapy in patients with UC.
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Significant progress in the management and modification of inflammatory bowel disease (IBD) has been made; however, significant barriers to the optimization of IBD care in the United States still exist. The majority of these barriers are constructed by insurance carriers and the integration of market pressures into healthcare decision-making. In this review, we highlight the barriers to IBD care optimization within the context of the US insurance system and review current and proposed solutions.
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Intestinal ultrasound (IUS) is a non-invasive, real-time, cross-sectional imaging tool that can be used at the point-of-care to assess disease activity in patients with Crohn's disease or ulcerative colitis. IUS promotes quick and impactful treatment decisions that can modify disease progression and enhance patient compliance. This review will summarize the technical aspects of IUS, the evidence to support the use of IUS in disease activity monitoring, the comparison of IUS to current standard of care monitoring modalities such as colonoscopy and calprotectin, and the optimal positioning of IUS in a tight-control monitoring strategy.