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Open research questions in Gallbladder and Bile Duct Disorders

180 unresolved questions extracted from the limitations and future-work sections of 563 Gallbladder and Bile Duct Disorders papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Differentiating between autoimmune hepatitis and drug-induced liver injury. The need for histological confirmation of autoimmune hepatitis. Managing the patient's condition without a clear diagnosis.

    Acute cholestatic jaundice and coagulopathy in a middle-aged woman · 2026 · DOI

  • The absence of autoantibodies does not exclude autoimmune hepatitis. Differentiation from drug-induced liver injury remained uncertain. The need for histological confirmation of autoimmune hepatitis.

    Acute cholestatic jaundice and coagulopathy in a middle-aged woman · 2026 · DOI

  • Investigating the application of APDHE-Pareto to other medical classification tasks, - Evaluating the performance of APDHE-Pareto using different datasets, - Exploring the use of other ensemble-selection strategies

    Gallstone Status Classification Using Adaptive Performance-Diversity Hybrid Ensemble with Pareto-Based Multi-Objective Selection (APDHE-Pareto) · 2026 · DOI

  • Prior ensemble methods often rely on predefined model combinations or arbitrarily weighted performance criteria. A systematic and leakage-controlled framework for multi-objective ensemble selection is lacking.

    Gallstone Status Classification Using Adaptive Performance-Diversity Hybrid Ensemble with Pareto-Based Multi-Objective Selection (APDHE-Pareto) · 2026 · DOI

  • Traditional anthropometric indices such as BMI and WC have limitations in reflecting fat distribution and its metabolic consequences. The association between RFM and gallstone risk remains underexplored.

    Association between relative fat mass and gallstones: a cross-sectional study based on NHANES 2017–2020 · 2025 · DOI

  • The paper does not explicitly identify specific technical or domain challenges, but it notes the complexity of investigating the relationship between dietary fiber intake and gallstone disease. The study acknowledges the need for effective prevention strategies to address the significant burden of gallstones on healthcare systems. The paper does not discuss specific challenges in collecting or analyzing the data.

    Inverse association between dietary fiber intake and gallstone disease in U.S. adults: a cross-sectional study from the NHANES database · 2025 · DOI

  • BackgroundWhether endoscopic ultrasound-guided choledochoduodenostomy (EUS-CDS) with lumen-apposing metal stent (LAMS) is superior to endoscopic retrograde cholangiopancreatography (ERCP) with self{square}expandable metal stent (SEMS) as primary drainage for malignant distal biliary obstruction (MDBO) remains uncertain.

    EUS-Guided Choledochoduodenostomy with Lumen-Apposing Metal Stent versus ERCP with Self-Expandable Metal Stent as Primary Biliary Drainage for Malignant Distal Biliary Obstruction: A Systematic Review and Meta-Analysis of Randomized Controlled Trials · 2026 · DOI

  • BACKGROUND: While dietary factors are known to influence gallstone development, the specific relationships between comprehensive dietary quality indicators and gallstone risk remain poorly understood.

    Association of dietary quality indicators with gallstones in the US: NHANES 2017–2020 · 2025 · DOI

  • Relative Fat Mass (RFM), a novel anthropometric index, may provide more accurate predictions of gallstone risk, but its association with gallstone formation remains underexplored.

    Association between relative fat mass and gallstones: a cross-sectional study based on NHANES 2017–2020 · 2025 · DOI

  • The relationship between oxidative balance score and gallstone disease is not well understood. There is a lack of studies investigating the role of oxidative balance score in the pathogenesis of gallstones.

    Association between oxidative balance score and gallstone disease: a population-based study from NHANES · 2025 · DOI

  • Background The cross-sectional association of dietary fiber intake with gallstone disease in United States adults remains to be comprehensively elucidated.

    Inverse association between dietary fiber intake and gallstone disease in U.S. adults: a cross-sectional study from the NHANES database · 2025 · DOI

  • OBJECTIVES: Limited data exists on endoscopic retrograde cholangiopancreatography (ERCP) for children with common bile duct microdilation (CBDM).

    Application of endoscopic retrograde cholangiopancreatography in children with common bile duct microdilation: a single-center retrospective cohort study of 36 cases · 2025 · DOI

  • Objects: It remains unclear whether the triglyceride-glucose (TyG) index has correlations with gallstones.

    The association between triglyceride-glucose index and gallstones: NHANES 2017-2020 · 2024 · DOI

  • Background Traditional anthropometric measures, including body mass index (BMI), are insufficient for evaluating gallstone risk.

    Associations between novel anthropometric indices and the prevalence of gallstones among 6,848 adults: a cross-sectional study · 2024 · DOI

  • The relationship between different types and amounts of metabolic abnormalities and gallstone risk in different sexes is poorly documented and controversial.

    Different types and numbers metabolic abnormalities and risk of gallbladder stone disease in adults · 2024 · DOI

  • Conclusion: The exact mechanism of gallstone formation after bariatric surgery has not yet been clarified.

    Cholelithiasis, Gut Microbiota and Bile Acids after Bariatric Surgery—Can Cholelithiasis Be Prevented by Modulating the Microbiota? A Literature Review · 2024 · DOI

  • This may be related to the rapid weight loss during this period, although the exact mechanism of gallstone formation after bariatric surgery has not been fully elucidated.

    Cholelithiasis, Gut Microbiota and Bile Acids after Bariatric Surgery—Can Cholelithiasis Be Prevented by Modulating the Microbiota? A Literature Review · 2024 · DOI

  • The association between the LDL-c/ApoB ratio and gallstone prevalence is not well understood. Previous studies have yielded conflicting results regarding the association between LDL and gallstone risk.

    A lower LDL-c/ApoB ratio is associated with an increased prevalence of gallstones in the regional Chinese adult population, according to a retrospective, propensity-matched analysis · 2026 · DOI

  • Mechanistic investigations incorporating advanced lipoprotein subfraction analyses, such as direct quantification of small dense LDL particles, may help determine whether alterations in LDL particle composition contribute to biliary cholesterol supersaturation and gallstone pathogenesis.

    A lower LDL-c/ApoB ratio is associated with an increased prevalence of gallstones in the regional Chinese adult population, according to a retrospective, propensity-matched analysis · 2026 · DOI

  • The optimal timing of precut sphincterotomy remains a subject of debate - There is a need to evaluate the safety and efficacy of primary needle-knife precut sphincterotomy

    Safety and Efficacy of Primary Needle-knife Precut during ERCP Procedure · 2026 · DOI

  • Some earlier reports and studies with less experienced endoscopists found no significant difference in repeat ERCP rates between primary and secondary precut, suggesting the need to validate findings across different levels of operator expertise.

    Safety and Efficacy of Primary Needle-knife Precut during ERCP Procedure · 2026 · DOI

  • The critical view of safety may not be achievable in all cases of laparoscopic cholecystectomy. There is a need for alternative procedures to prevent bile duct injury in difficult cholecystectomies. Subtotal cholecystectomy has emerged as a critical bail-out procedure in difficult cholecystectomies.

    Laparoscopic Subtotal Cholecystectomy: Conversion is wisdom, not failure in difficult cholecystectomy-It prevents disaster · 2026 · DOI

  • The case report is limited to a single patient. The rarity of intra-abdominal hemorrhage as a complication of ERCP makes it difficult to draw general conclusions.

    Intra‐Abdominal Hemorrhage Following Endoscopic Retrograde Cholangiopancreatography in a Patient with a Cascade Stomach: A Case Report · 2026 · DOI

  • Intra-abdominal hemorrhage is an extremely rare complication of ERCP, and there is a lack of understanding about its causes and management. The paper highlights the need for further research into this area.

    Intra‐Abdominal Hemorrhage Following Endoscopic Retrograde Cholangiopancreatography in a Patient with a Cascade Stomach: A Case Report · 2026 · DOI

  • Future studies should investigate the predictors of incomplete CBD stone clearance in larger, more diverse populations. Future studies should use more advanced statistical analysis and machine learning techniques to identify predictors. Future studies should investigate the development of new treatments and technologies for CBD stone clearance.

    Predictors of incomplete common bile duct stone clearance at index endoscopic retrograde cholangiopancreatography · 2026 · DOI

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180 open questions have been extracted from the limitations and future-work passages of 563 Gallbladder and Bile Duct Disorders papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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