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  • Title: New index to predict esophageal variceal bleeding in cirrhotic patients.
    Author: Xu XD, Dai JJ, Qian JQ, Pin X, Wang WJ.
    Journal: World J Gastroenterol; 2014 Jun 14; 20(22):6989-94. PubMed ID: 24944493.
    Abstract:
    AIM: To develop a safe, simple, noninvasive and affordable system to predict esophageal variceal bleeding (EVB) in decompensated cirrhosis patients. METHODS: Four hundred and eighty-six patients with decompensated cirrhosis (238 males and 248 females), with a mean age of 63.1 ± 11.2 years, were admitted to Changshu Affiliated Hospital of Suzhou University between May 2008 and March 2011. Patients enrolled in this study underwent ultrasound-Doppler (US-Doppler) to assess left gastric vein (LGV) blood flow velocity (LGVV) and blood flow direction (LGVBFD), and were evaluated by the Model For End-Stage Liver Disease (MELD) scoring system. All patients received follow-up evaluations every three months. The resulting data were entered into a database after each time point collection. RESULTS: Four hundred and sixteen patients completed follow-up evaluations for an average of 31.6 mo (range: 12 to 47 mo). Fifty-one (12.3%) patients experienced EVB. The change in the MELD score over three months (ΔMELD), LGVV and LGVBFD were independently associated with EVB occurrence. MELD-US-Doppler Index (MUI), a new index, was developed and calculated using the following logistic regression equation: MUI = Logit (P) = 1.667 (ΔMELD) + 2.096 (LGVV) - 3.245 (LGVBFD) - 1.697. The area under the receiver operating characteristic curve for prediction of EVB occurrence was significantly higher for the MUI [0.858 (95%CI: 0.774-0.920)] than for ΔMELD [0.734 (95%CI: 0.636-0.817); P < 0.05], LGVV [0.679 (95%CI: 0.578-0.769); P < 0.05] or LGVBFD [0.726 (95%CI: 0.627-0.810); P < 0.05] alone. When the MUI was set at 46, the index had high diagnostic accuracy (85.8%), with high specificity (80%) and sensitivity (87.27%). CONCLUSION: The MUI, a noninvasive and affordable index, can predict EVB occurrence in decompensated cirrhotic patients and serve as an alternative when conventional endoscopic screening is declined.
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