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Record W4412596042 · doi:10.1097/dcr.0000000000003894

Improvement in Functional Outcomes Following Ileal Pouch-Anal Anastomosis: Results from the United States Ileal Pouch-Anal Anastomosis Study

2025· article· en· W4412596042 on OpenAlexaff
Jesse Zuckerman, Anthony de Buck van Overstraeten, Gil Melmed, W. Conan Mustain, Jeffrey S. Scow, Mary F. Otterson, James W. Ogilvie, Liliana Bordeianou, Mantaj S. Brar, Katerina Wells, Gayane Ovsepyan, James Mirocha, Stefan D. Holubar, Steven D. Wexner, Neil Hyman, Phillip Fleshner, Karen Zaghiyan

Bibliographic record

VenueDiseases of the Colon & Rectum · 2025
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicInflammatory Bowel Disease
Canadian institutionsMount Sinai Hospital
Fundersnot available
KeywordsMedicineAnastomosisPouchUlcerative colitisProctocolectomyColorectal surgerySurgerySexual functionProspective cohort studyPouchitisInflammatory bowel diseaseDefecationInternal medicineAbdominal surgeryDisease

Abstract

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BACKGROUND: IPAA is the standard procedure for patients with ulcerative colitis or unclassified IBD seeking intestinal continuity after proctocolectomy. Previous studies on function are limited by retrospective design, single-center scope, and insufficient functional domain data. OBJECTIVE: To provide prospective, multicenter data on functional outcomes after IPAA. DESIGN: Prospective cohort study. SETTINGS: Several North American centers. PATIENTS: Adults scheduled for IPAA between June 2018 and June 2022. MAIN OUTCOME MEASURES: Patient-reported colorectal (Colorectal Functional Outcome, Wexner Fecal Incontinence Score), sexual (Patient-Reported Outcomes Measurement Information System Sexual Function and Satisfaction), urinary (International Prostate Symptom Score), and global (Patient-Reported Outcomes Measurement Information System Global-10) function were the main outcome measures. RESULTS: A total of 203 patients were included (mean age, 35.8 ± 13.4, 59% men). Most had ulcerative colitis (95%), with refractory disease the most common surgical indication (91%). Fifty-seven patients (28%) had a subtotal colectomy without IPAA. Bowel function improved significantly after IPAA (Colorectal Functional Outcome mean, 50.6 ± 18.8 at baseline to 24.3 ± 17.7 at 12 months, p < 0.0001; Wexner mean 8.2 ± 5.3 at baseline to 4.3 ± 4.5 at 12 months, p < 0.0001), as did global health satisfaction (mental health mean T-score 41.5 ± 10.8 at baseline to 51.2 ± 10.3 at 12 months, p < 0.0001; physical health mean T-score 39.2 ± 9.2 at baseline to 52.2 ± 9.2 at 12 months, p < 0.0001). Sexual interest increased for both women (mean T-score, 34.2 ± 13.2 at baseline to 41.9 ± 13.0 at 12 months, p = 0.007) and men (mean T-score, 39.4 ± 13.8 at baseline to 51.1 ± 9.6 at 12 months, p < 0.0001); other sexual domains were stable. Urinary function remained stable (mean, 7.2 ± 6.3 at baseline to 5.4 ± 6.3 at 12 months, p = 0.08). Surgical indication was significantly associated with postoperative bowel function ( p = 0.0003). LIMITATIONS: Sample size is limited; follow-up is limited to 12 months. CONCLUSION: In this prospective multicenter cohort, IPAA led to significant improvements in bowel function, continence, sexual interest, and overall health, with no decline in urinary or sexual functions. These findings support the role of IPAA in restoring function and inform preoperative counseling and decision-making. See Video Abstract . MEJORA EN LOS RESULTADOS FUNCIONALES TRAS LA ANASTOMOSIS ILEOANAL RESULTADOS DEL ESTUDIO ESTADOUNIDENSE SOBRE LA ANASTOMOSIS ILEOANAL: ANTECEDENTES:La anastomosis ileoanal es el procedimiento estándar para pacientes con colitis ulcerosa o enfermedad inflamatoria intestinal no clasificada que buscan continuidad intestinal tras una proctocolectomía. Los estudios previos sobre la función están limitados por su diseño retrospectivo, su alcance unicéntrico y la insuficiencia de datos sobre el dominio funcional.OBJETIVO:Proporcionar datos prospectivos y multicéntricos sobre los resultados funcionales tras la anastomosis ileoanal.DISEÑO:Estudio prospectivo de cohortes.ENTORNOS:Varios centros norteamericanos.PACIENTES:Adultos programados para someterse a una anastomosis ileoanal entre junio de 2018 y junio de 2022.PPRINCIPALES MEDIDAS DE RESULTADO:Función colorrectal (COREFO, Wexner Fecal Incontinence Score), sexual (PROMIS Sex-FS), urinaria (International Prostate Symptom Score) y global (PROMIS Global-10) comunicada por los pacientes.RESULTADOS:Se incluyó un total de 203 pacientes (edad media, 35,8 ± 13,4; 59 % hombres). La mayoría padecía CU (95 %) con enfermedad refractaria como indicación quirúrgica más frecuente (91 %). Cincuenta y siete pacientes (28 %) se sometieron a una colectomía subtotal sin anastomosis ileoanal. La función intestinal mejoró significativamente tras la anastomosis ileoanal (media COREFO, 50,6 ± 18,8 al inicio del estudio frente a 24,3 ± 17,7 a los 12 meses, p < 0,0001; media de Wexner 8,2 ± 5,3 al inicio del estudio y 4,3 ± 4,5 a los 12 meses, p < 0,0001), al igual que la satisfacción global con la salud (media de la puntuación T de salud mental 41,5 ± 10,8 al inicio del estudio y 51,2 ± 10,3 a los 12 meses, p < 0,0001; puntuación T media de salud física de 39,2 ± 9,2 al inicio del estudio a 52,2 ± 9,2 a los 12 meses, p < 0,0001). El interés sexual aumentó tanto en las mujeres (puntuación T media de 34,2 ± 13,2 al inicio del estudio a 41,9 ± 13,0 a los 12 meses, p = 0,007) y en los hombres (puntuación T media, 39,4 ± 13,8 al inicio del estudio a 51,1 ± 9,6 a los 12 meses, p < 0,0001); los demás ámbitos sexuales se mantuvieron estables. La función urinaria se mantuvo estable (media, 7,2 ± 6,3 al inicio del estudio y 5,4 ± 6,3 a los 12 meses, p = 0,08). La indicación quirúrgica se asoció significativamente con la función intestinal postoperatoria ( p = 0,0003).LIMITACIONES:El tamaño de la muestra es limitado; el seguimiento se limitó a 12 meses.CONCLUSIÓN:En esta cohorte prospectiva multicéntrica, la anastomosis ileoanal condujo a mejoras significativas en la función intestinal, la continencia, el interés sexual y la salud general, sin deterioro de las funciones urinarias u otras funciones sexuales. Estos hallazgos respaldan el papel de la anastomosis ileoanal en la restauración de la función y sirven de base para el asesoramiento preoperatorio y la toma de decisiones. (AI-generated translation ).

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.003
metaresearch head score (Gemma)0.005
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.003
Threshold uncertainty score0.016

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0030.005
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0000.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.009
GPT teacher head0.252
Teacher spread0.243 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

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Citations2
Published2025
Admission routes1
Has abstractyes

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