V Patel et al. JPGN Rep. 2026; 1-6. doi:10.1002/jpr3.70220. Open Access! Use of single-use ultra-slim endoscopes for evaluation of pediatric esophageal varices: A pilot feasibility study

*Two of the study authors have financial ties to the manufacturer of the ultra-slim endoscopes.

Methods: Ten pediatric subjects (including one that was 2.9 years of age) with suspected or known esophageal varices (EV) underwent surveillance endoscopy using the ultra-slim endoscope (transoral or transnasal endosocpy [TNE]) followed by the standard gastroscope under sedation. Esophageal findings were analyzed using images from both procedures by two independent endoscopists. 

Key findings:

• EV were identified in 8/10 subjects (Grade I (4), Grade II (3), and Grade II/III (1))
• Endoscopic grading matched between both endoscopes in 7/8 (87.5%) cases
• Three subjects required endoscopic intervention with either sclerotherapy (n = 1) or band ligation (n = 2)
• Limitation: High risk stigmata of recent bleeding such as red wale signs or fibrin plugs were not assessed and documented in this study. These features are important for risk stratification; thus, understanding whether the ultra-slim endoscope reliably identifies these stigmata is needed

In the discussion, the authors note that “our study demonstrates the potential for considering TNE for EV evaluation in a lower cost, lower acuity setting.” In my view, this is a flawed argument, particularly in pediatrics.

1. For varices, many of the children need therapeutic endoscopic intervention. Thus, outside of a study design, this requires an additional procedure (and additional cost).
2. In pediatric gastroenterology, most clinicians do their endoscopic procedures in a hospital-based setting and/or in affiliation with hospitals. While this can provide additional safety for risky procedures, this drives up costs. In fact, this study which promotes TNE for cost savings does not report the anticipated costs. However, in a previous study, the cost of TNE exceeded that of a standard endoscopy (including anesthesia) in an endoscopy center. Though, the cost of TNE was less than a standard hospital-based endoscopy (Related blog post: Transnasal Endoscopy in Unsedated Children to Monitor Eosinophilic Esophagitis).

My take: This technology would be better suited for adults with eosphageal conditions. First of all, most adult GI physicians are not employed by hospitals. Thus, there is a much greater likelihood of cost savings. Secondly, avoiding an additional day missing work is usually a bigger factor for adult patients. However, if there is a need for preauthorization for reimbursement of the procedure, this could negate this potential benefit as well.

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