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  • Title: Gall bladder wall thickening as non-invasive screening parameter for esophageal varices - a comparative endoscopic - sonographic study.
    Author: Tsaknakis B, Masri R, Amanzada A, Petzold G, Ellenrieder V, Neesse A, Kunsch S.
    Journal: BMC Gastroenterol; 2018 Aug 02; 18(1):123. PubMed ID: 30071840.
    Abstract:
    BACKGROUND: The mortality due to hemorrhage of esophageal varices (EV) is still high. The predominant cause for EV is liver cirrhosis, which has a high prevalence in Western Europe. Therefore, non-invasive screening markers for the presence of EV are of interest. Here, we aim to investigate whether non-inflammatory gall bladder wall thickening (GBWT) may serve as predictor for the presence of EV in comparison and combination with other non-invasive clinical and laboratory parameters. METHODS: One hundred ninety four patients were retrospectively enrolled in the study. Abdominal ultrasound, upper endoscopy and blood tests were evaluated. GBWT, spleen size and the presence of ascites were evaluated by ultrasound. Platelet count and Child-Pugh-score were also recorded. The study population was categorized in two groups: 122 patients without esophageal varices (non EV) compared to 72 patients with EV were analyzed by uni-and multivariate analysis. RESULTS: In the EV group 46% showed a non-inflammatory GBWT of ≥4 mm, compared to 12% in the non-EV group (p < 0.01). GBWT was significantly higher in EV patients compared to the non-EV group (mean: 4.4 mm vs. 2.8 mm, p < 0.0001), and multivariate analysis confirmed GBWT as independent predictor for EV (p < 0.04). The platelets/GBWT ratio (cut-off > 46.2) had a sensitivity and specificity of 78 and 86%, PPV 76% and NPV of 87%, and ROC analysis calculated the AUC of 0.864 (CI 0.809-0.919). CONCLUSIONS: GBWT occurs significantly more often in patients with EV. However, because of the low sensitivity, combination with other non-invasive parameters such as platelet count is recommended.
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