Abstract
Background Esophageal varices (EV) are a complication of cystic fibrosis-associated liver disease. Esophagogastroduodenoscopy (EGD) is currently used to diagnose varices but is invasive for pediatric patients. The goal of this study was to explore the relationship between transient elastography (FibroScan®) and the presence of EV in patients with liver disease defined by clinical, laboratory, sonographic, and/or endoscopic criteria. Methods 18 patients with cystic fibrosis underwent EGD and transient elastography. 12 patients had EV. Results Patients with EV had higher FibroScan values than those without varices with median values of 22.4 kPa (14.4-30.4 kPa) vs. 7.9 kPa (4.4-13.7 kPa) (p=0.01). Using a threshold of 12 kPa, four of six patients without EV would not have needed EGD. Conclusions Elastography should be recommended for all cystic fibrosis patients with liver disease to follow its progression. A prospective study is needed to define an elastography threshold value that predicts the presence of EV.
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