P Quitadomo et al. Am J Gastroenterol 2025; 120: 1388-1390. “Insert-Coin”: A Prospective Study of Coin Ingestion in Children of Southern Italy
Thanks to Ben Gold for this reference.
This prospective study from Naples, Italy examined children 0-14 yrs of age with a coin ingestion (n=807). Children with coins in the proximal esophagus underwent endoscopic removal within 4 hours whereas those with middle to lower esophageal coins had re-evaluation after 12 hours before removal.
Key findings:
- 52 of 807 (6.4%) had a coin retained in the esophagus, the remainder were in the stomach or beyond
- 20 of 52 (38%) were located in the middle to lower esophagus (10 in each)
- 13 of 20 (65%) coins in the middle to lower esophagus had spontaneous gastric passage
- The mean age of patients with gastric passage (72 months) was higher than those without passage (48 months)
My take: Only 6% of patients in this study who had a coin ingestion had esophageal retention of the coin. In addition, one-fourth of those with esophageal coins had spontaneous passage into the stomach. This occurred only with the mid-distal esophageal coins; in this subset it occurred in 65%. Thus, in those with mid-distal esophageal coins, watchful waiting for ~12 hrs may be beneficial for patients. The ultimate primary prevention of this problem may occur with more widespread adoption of electronic payments.
Related blog posts:
- Personal Quest Update: The Beginning of the End for the Penny & World Button Battery Day
- “Watch for change in the stools”
- Foreign Bodies in Children -Expert Guidance
- Near-Death Experience from a Button Battery
- New Button Battery Guidelines –with Honey and Vinegar
- Mitigation Efforts for Button Batteries (also includes case report of aorto-esophageal fistula and emergency surgery 25 days after ingestion of a button battery)
- New Button Battery Guidelines -with honey and vinegar
- Button battery -Update For Families
- Also, A Few Years Ago –Button Battery Changes

Tiffany Garden Landscape Window (1912)
at The Metropolitan Museum of Art

Autumn Landscape (1923) at The Metropolitan Museum of Art