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Tuesday Poster Session

Category: Biliary/Pancreas

P4371 - Impact of Prior Bariatric Surgery on ERCP Outcomes: A Nationwide Analysis of Inpatient Morbidity, Mortality, and Resource Utilization

Tuesday, October 28, 2025
10:30 AM - 4:00 PM MT
Location: Exhibit Hall
Srikaran Bojja, MBBS, MD1, Anusha Kavarthapu, MD2, Abeer Qasim, MD3, Anirudhha Pratap Singh, MBBS, MD4
1Geisinger Wyoming Valley Medical Center, Harrison, NJ; 2SUNY Downstate Medical Center, Staten Island, NY; 3BronxCare Health System, Bronx, NY; 4Asian Institute of Gastroenterology, Hyderabad, Telangana, India

Introduction: Rising obesity rates increase demand for ERCP in post-bariatric surgery patients. Altered anatomy poses technical challenges, yet large-scale outcome data are limited. We compared ERCP outcomes between patients with/without bariatric surgery history.

Methods: Retrospective analysis of 2019 NIS data using ICD-10 codes. Included adults undergoing ERCP. Primary outcomes: mortality, LOS, total charges. Analyzed with STATA/SE 18.0.

Results: Among 178,785 ERCP patients, 2,910 had prior bariatric surgery. The post-bariatric cohort was predominantly female (73.7%) and White (75%). Compared to non-bariatric patients, they experienced- Longer mean LOS (5.1 vs. 4.3 days), higher charges ($83,183 vs. $59,550), 13.8-fold increased pancreatitis risk (aOR 13.8, 95% CI 9.33–20.61; p< 0.05). No significant differences in mortality or GI bleeding.

Discussion: This largest-to-date analysis reveals post-bariatric patients face substantially higher pancreatitis risk and resource utilization after ERCP, likely due to anatomical complexity. Despite comparable mortality/bleeding rates, the dramatic pancreatitis increase demands prophylactic strategies (e.g., rectal NSAIDs). Limitations include retrospective design and coding dependencies. Enhanced prevention protocols are essential for this growing population.

Disclosures:
Srikaran Bojja indicated no relevant financial relationships.
Anusha Kavarthapu indicated no relevant financial relationships.
Abeer Qasim indicated no relevant financial relationships.
Anirudhha Pratap Singh indicated no relevant financial relationships.

Srikaran Bojja, MBBS, MD1, Anusha Kavarthapu, MD2, Abeer Qasim, MD3, Anirudhha Pratap Singh, MBBS, MD4. P4371 - Impact of Prior Bariatric Surgery on ERCP Outcomes: A Nationwide Analysis of Inpatient Morbidity, Mortality, and Resource Utilization, ACG 2025 Annual Scientific Meeting Abstracts. Phoenix, AZ: American College of Gastroenterology.