Abstract
Background and Aim
To evaluate if spleen stiffness measurement (SSM) can rule out the presence of high-risk varices in patients with cirrhosis, avoiding an upper gastrointestinal endoscopy (UGE).
Methods
We enrolled 71 cirrhotic patients irrespective of liver disease’s etiology. 2D shear wave elastography (SWE) of spleen and UGE was performed. High-risk varices (HRV) were defined as esophageal varices ≥ 5 mm and/or red spots and any gastric varices.
Results
Esophageal varices were documented in 37 (52.1%) and HRV in 25 (35.2%) patients. SSM was not technically feasible in 7/71 patients (9.8%). From the remaining 64 patients, when those with cholestatic liver disease were excluded (n = 17), SSM < 35.8 kPa was found to exclude well the existence of HRV offering an AUROC of 0.854 (p < 0.001), sensitivity 88.9%, negative predictive value (NPV) 91.3%, specificity 72.4%, and positive predictive value (PPV) 66.7%. Only 2/47 patients (4.3%) were misclassified, and 23 (48.9%) could avoid endoscopy. In the total cohort of 64 patients, SSM < 33.7 kPa was found to exclude well the presence of HRV offering AUROC 0.792 (p < 0.001), sensitivity 91.7%, specificity 60%, NPV 92.3%, and PPV 57.9%. The misclassification rate was 3.1% (2/64), while 26/64 (40.6%) could avoid endoscopy.
Conclusions
2D-SWE of spleen is a reliable method for ruling out the presence of HRV in cirrhotic patients. If larger studies confirm our results, a large number of endoscopies could be avoided.
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Abbreviations
- HVPG:
-
Hepatic venous pressure gradient
- CSPH:
-
Clinically significant portal hypertension
- GEV:
-
Gastroesophageal varices
- HRV:
-
High-risk varices
- UGE:
-
Upper gastrointestinal endoscopy
- LSM:
-
Liver stiffness measurements
- TE:
-
Transient elastography
- SSM:
-
Spleen stiffness measurement
- SWE:
-
Shear wave elastography
- HCC:
-
Hepatocellular carcinoma
- TIPS:
-
Transjugular intrahepatic portosystemic shunt
- INR:
-
International normalized ratio
- AST:
-
Aspartate aminotransferase
- ALT:
-
Alanine aminotransferase
- MELD:
-
Model for end stage liver disease
- SD:
-
Standard deviation
- AUROC:
-
Area under receiving operating characteristic
- PPV:
-
Positive predictive value
- NPV:
-
Negative predictive value
- ARFI:
-
Acoustic radiation force impulse imaging
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Karagiannakis, D.S., Voulgaris, T., Koureta, E. et al. Role of Spleen Stiffness Measurement by 2D-Shear Wave Elastography in Ruling Out the Presence of High-Risk Varices in Cirrhotic Patients. Dig Dis Sci 64, 2653–2660 (2019). https://doi.org/10.1007/s10620-019-05616-4
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DOI: https://doi.org/10.1007/s10620-019-05616-4