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Esophageal stent dysfunction: unclogging the Red Sea
Raquel R Mendes1, Pedro C Figueiredo1
1Gastroenterology , Unidade Local de Saúde de Lisboa Ocidental, Portugal.
Revista Espanola De Enfermedades Digestivas
|June 4, 2024
Summary
A rare case of esophageal stent obstruction caused by a blood clot is reported. This complication, though uncommon, highlights the need for vigilance in patients undergoing self-expandable metal stent placement for cancer.
Area of Science:
- Gastroenterology
- Oncology
- Interventional Endoscopy
Background:
- Self-expandable metal stents (SEMS) are standard for palliation of malignant esophageal dysphagia.
- Stent-related complications include migration, tumor ingrowth/overgrowth, and bleeding.
Observation:
- A 76-year-old male with advanced esophageal cancer and anticoagulation developed complete SEMS obstruction.
- The obstruction was caused by a significant blood clot, a previously unreported cause.
Findings:
- This is the first reported case of complete esophageal stent obstruction due to blood clot formation.
- The patient had risk factors including anticoagulation for cardiac conditions.
Implications:
- Clinicians should consider blood clot formation as a cause of stent obstruction in patients with risk factors.
- This case broadens the differential diagnosis for stent-related dysphagia and bleeding.
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