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  • Title: Shear wave elastography measured liver stiffness-spleen size-to-platelet ratio for the prediction of high-risk oesophageal varices: a meta-analysis.
    Author: Xuan J, Shi Z.
    Journal: Eur J Gastroenterol Hepatol; 2023 Jul 01; 35(7):753-760. PubMed ID: 37115975.
    Abstract:
    OBJECTIVES: The potential predictive role of shear wave elastography (SWE) measured liver stiffness-spleen size-to-platelet ratio score (LSPS) for high-risk oesophageal varices (HREV) in patients with cirrhosis remains controversial. A systematic review and meta-analysis was performed to investigate the diagnostic efficacy of SWE-measured LSPS for HREV. METHODS: Relevant studies were retrieved by searching PubMed, Embase, Web of Science, Wanfang, and CNKI databases. Only studies comparing the diagnostic efficacy of SWE-measured LSPS with oesophagogastroduodenoscopy for HREV in patients with cirrhosis were included. Pooled sensitivity and specificity were calculated with a random-effect model. RESULTS: Overall, eight cohorts were included. Four of them used point SWE (pSWE) and the other four used 2D-SWE. Pooled results showed that a high LSPS measured by pSWE and 2D-SWE were both associated with satisfying diagnostic efficacy for endoscopic-evidenced HREV, with pooled sensitivity, specificity, diagnostic odds ratio, and pooled area under receiver operating characteristic curve of 0.86, 0.86, 39.36, and 0.92 for pSWE-derived LSPS, and 0.77, 0.86, 20.64, and 0.89 for 2D-SWE-derived LSPS. No significant difference was observed in the diagnostic efficacy between pSWE- and 2D-SWE-derived LSPS ( P all > 0.05). Significant heterogeneity was observed. However, further subgroup and meta-regression analysis failed to show that differences in study design, sex, diagnosis (compensated or overall cirrhosis), or LPSP cutoffs may lead to heterogeneity ( P for subgroup difference > 0.05). CONCLUSION: A high LSPS with liver stiffness measured by pSWE or 2D-SWE shows satisfying predictive accuracy for HREV in patients with cirrhosis.
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