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Esophageal Capsule Endoscopy in Children and Young Adults With Portal Hypertension
Anita K Pai1, Maureen M Jonas, Victor L Fox
1Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Boston Children's Hospital, Boston, MA.
Insights
Esophageal capsule endoscopy (ECE) is a safe and feasible method for screening and surveillance of esophageal varices in pediatric and young adult patients with portal hypertension. This minimally invasive technique offers a valuable alternative to traditional endoscopy for managing this high-risk group.
Area of Science:
- Gastroenterology
- Pediatric Hepatology
- Endoscopic Technology
Background:
- Variceal hemorrhage (VH) is a significant complication of portal hypertension (PH).
- Screening and surveillance for esophageal varices are crucial in managing PH patients.
- Traditional endoscopy (EGD) can be challenging in pediatric populations.
Purpose of the Study:
- To evaluate the feasibility, safety, and clinical impact of esophageal capsule endoscopy (ECE).
- To assess ECE's utility in pediatric and young adult patients with known or suspected PH.
- To determine ECE's effectiveness as an alternative to EGD for variceal screening and surveillance.
Main Methods:
- Retrospective review of 149 ECE studies in 98 pediatric and young adult patients with PH (2005-2017).
- ECE performed for variceal screening (66.5%) or surveillance (33.5%).
- Analysis of ECE findings, patient histories, and clinical outcomes, including subsequent interventions.
Main Results:
- ECE detected varices in 44.9% of studies (59 esophageal, 17 gastric, 6 duodenal).
- Other findings included portal gastropathy, esophagitis, erosions, and ulcers.
- No major adverse events were reported; 2 transient capsule retentions occurred.
- ECE led to follow-up EGD with banding in 7 patients and medication initiation in 12 patients.
Conclusions:
- Esophageal capsule endoscopy is a feasible and safe alternative to EGD.
- ECE is effective for screening and surveillance of esophageal varices in children and young adults with PH.
- ECE provides valuable diagnostic information and influences management decisions in this population.
Objectives:
Variceal hemorrhage (VH) is a serious complication of portal hypertension (PH). We evaluated the feasibility, safety, and clinical impact of esophageal capsule endoscopy (ECE) in pediatric and young adult patients with known or suspected PH.
Methods:
Children and young adults with PH at Boston Children's Hospital (2005-2017) were offered ECE for variceal screening or surveillance. Patient histories, ECE findings, and clinical outcomes were reviewed retrospectively.
Results:
One hundred and forty-nine ECE studies were performed in 98 patients (57.1% male patients) using 3 ECE devices for variceal screening (66.5%) or surveillance (33.5%). Three readers interpreted the studies (88.3%, 10.3%, and 1.4%, respectively). Median age was 16 years (IQR 13.7-18.5). One hundred and three ECE studies involved patients <18 years (69.1%). Fifteen patients (29 ECE studies) had a gastrointestinal (GI) bleeding (GIB) history, 5 in the preceding 12 months.Sixty-two ECE studies (44.9%) detected varices: 59 esophageal (40 small, 19 medium/large), 17 gastric, 6 duodenal. Other findings included: portal gastropathy (25, 18.1%), esophagitis (20, 14.5%), ulcers (5, 3.6%), erosions (31, 22.5%), heterotopic tissue (13, 9.4%), blood flecks (23, 16.7%), and mucosal scars (17, 12.3%). There were 2 transient capsule retentions and no major adverse events.ECE led to follow-up EGD in 11 (7 variceal banding) and medication initiation in 12 (4 proton-pump inhibitor, 7 nonselective beta blocker, 2 other) cases. Four patients had GIB within 12 months of ECE.
Conclusion:
ECE is a feasible alternative to EGD for screening and surveillance of esophageal varices in children and young adults.
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