Ilan N. Koppen - Publications

Stool Withholding at School Among Children in the Netherlands.

Journal: JAMA network open

Published: May 13, 2026

Patient-Reported Long-Term Gastrointestinal Outcomes in Children with Omphalocele and Gastroschisis: A PedsQL GI Module Study.

Journal: European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift fur Kinderchirurgie

Published: March 12, 2026

Clinical utility of the Pediatric Bowel Management Scoring Tool in guiding management of childhood constipation-a prospective, multicenter study.

Journal: European journal of pediatrics

Published: February 11, 2026

Prospective, non-randomised, open-label pilot trial assessing feasibility, safety and treatment success of acupuncture in children with functional constipation: ACU-PILOT study protocol.

Journal: BMJ open

Published: November 11, 2025

Long-term gastrointestinal sequelae in patients who underwent surgery for congenital duodenal obstruction.

Journal: Pediatric surgery international

Published: August 28, 2025

Antegrade continence enema treatment can lead to proximal colonic dilation while preserving motility in children with constipation.

Journal: Journal of pediatric surgery

Published: August 07, 2025

Pediatric Constipation: What Can We Learn from the Adult Gastroenterologist?

Journal: Gastroenterology clinics of North America

Published: August 02, 2025

Response to 'Consensus on Safe Initiation and Monitoring of Transanal Irrigation to Optimize Adherence With Therapy' by Emmanuel et al. Neurogastroenterol Motil. 2025.

Journal: Neurogastroenterology and motility

Published: June 06, 2025

Bowel habits in preterm infants: Observations from the first 2 weeks of life.

Journal: Journal of pediatric gastroenterology and nutrition

Published: April 06, 2025

Pharmacological treatment for children with constipation: present and future.

Journal: Expert opinion on pharmacotherapy

Published: February 24, 2025

Outcomes and Complications of Chait Trapdoor Cecostomy in Pediatric Patients with Therapy-Resistant Constipation and Fecal Incontinence: A 14-Year Retrospective Study.

Journal: European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift fur Kinderchirurgie

Published: January 09, 2025

Prevalence of functional defecation disorders in European children: A systematic review and meta-analysis.

Journal: Journal of pediatric gastroenterology and nutrition

Published: September 13, 2024