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Endoscopic ultrasound (EUS) has transformed the landscape of minimally invasive gastrointestinal procedures, necessitating specialized training for proficiency in interventional EUS (iEUS). This study evaluates the effectiveness of iEUS training, focusing on learning curves, success rates, and the associated risks in various procedures, aiming to recommend practices for standardizing training and ensuring competency. Key metrics such as procedure type, learning curve for proficiency, success rates, and risk of adverse events were analyzed to establish benchmarks for training programs. Proficiency in pancreatic fluid collection drainage was achieved after 20–30 procedures, with a 100% success rate and a complication rate ranging from 1.5 to 80%. Gallbladder drainage required 19 cases to reach an 86% success rate, with adverse events reported in 19% of cases. Choledocoduodenostomy mastery was observed after approximately 100 cases, with postintervention pancreatitis affecting 5.3–6.6% of all cases. Hepaticogastrostomy showed a 93% success rate after 33 cases, with a 24.8% adverse event rate. Hepaticoenterostomy reached 100% success beyond the 40th patient, with a 20% rate of postsurgical strictures. Pancreatic duct drainage achieved 89% technical and 87% clinical success after 27 cases, with 12–15% adverse events. Gastro‐enteric anastomosis required 25 cases for proficiency and approximately 40 cases for mastery, with 5.5% immediate and 1% late adverse events. iEUS training outcomes vary significantly across different procedures, highlighting the importance of structured, procedure‐specific training programs to achieve proficiency. These findings provide a foundation for developing universal competency benchmarks in iEUS, facilitating consistent and effective training worldwide. [ABSTRACT FROM AUTHOR]

Interventional endoscopic ultrasound (IEUS) has gained significant popularity in recent years because of its diagnostic and therapeutic capabilities. The proper training of endoscopists is critical to ensure safe and effective procedures. This review study aims to assess the impact of different training models on the competence of trainees performing IEUS. Eight studies that evaluated simulators for IEUS were identified in the medical literature. Various training models have been used, including the EASIE‐R, Mumbai EUS, EUS Magic Box, EndoSim, Thai Association for Gastrointestinal Endoscopy model, and an ex vivo porcine model (HiFi SAM). The trainees underwent traditional didactic lectures, hands‐on training using simulators, and direct supervision by experienced endoscopists. The effectiveness of these models has been evaluated based on objective and subjective parameters such as technical proficiency, operative time, diagnostic success, and participant feedback. As expected, the majority of skills were improved after the training sessions concluded, although the risk of bias is high in the absence of external validation. It is difficult to determine the ideal simulator among the existing ones because of the wide variation between them in terms of costs, reusability, design, fidelity of anatomical structures and feedback, and types of procedures performed. There is a need for a standardized approach for the evaluation of IEUS simulators and the ways skills are acquired by trainees, as well as a clearer definition of the key personal attributes necessary for developing a physician into a skilled endoscopist capable of performing basic and advanced therapeutic EUS interventions. [ABSTRACT FROM AUTHOR]