Partial Splenic Embolization is a Safe and Effective Alternative in the Management of Portal Hypertension in Children.

Authors:
Jennifer Vittorio
Jennifer Vittorio
Columbia University Medical Center
New York | United States
Nadia Ovchinsky
Nadia Ovchinsky
Columbia University
United States
Peter Schlossberg
Peter Schlossberg
New York University School of Medicine
United States
Steven Lobritto
Steven Lobritto
Columbia University
United States

J Pediatr Gastroenterol Nutr 2019 Mar 18. Epub 2019 Mar 18.

Department of Pediatrics, Columbia University Medical Center, New York, NY.

Objective: There are multiple approaches to manage the clinical complications of portal hypertension (PHTN) to treat/prevent spontaneous hemorrhage by mitigating thrombocytopenia. No single approach is ideal for all patients given the heterogeneity of this population. Our goal was to determine whether partial splenic embolization (PSE) was safe and effective in the pediatric population.

Methods: This is a retrospective review of our single center experience for all patients age 0 to 21 who underwent PSE between January 2010 and August 2017. The embolized splenic volume targeted was 60-70%.

Results: Twenty-six patients underwent PSE due to thrombocytopenia and/or recurrent variceal bleeding. Patients ranged in age from 18 months to 20 years (mean 13.1 years). The median platelet count prior to PSE was 53.0 (x10/L). The platelet count improved after PSE with values greater than 100,000 in twenty-one patients (80.8%). Children with prior esophageal varices showed improvement after PSE with only nine (34.6%) requiring further endoscopic therapy. After PSE, patients developed transient abdominal pain, distention, fever, and peri-splenic fluid collections. Serious complications such as splenic abscess, splenic rupture, bleeding, pancreatic infarction, opportunistic infection or death were not observed. One patient experienced thrombotic complications following PSE and was later diagnosed with myelodysplastic syndrome.

Conclusions: PSE is a safe and effective alternative in the management of pediatric PHTN in select populations. PSE may be a favorable alternative to splenectomy and portal systemic shunting as it preserves functional spleen mass and avoids post-procedure accelerated liver disease or encephalopathy.

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Source
http://dx.doi.org/10.1097/MPG.0000000000002332DOI Listing
March 2019
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