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  • Title: Thrombocytopenia: A prognostic factor for hepatocellular carcinoma patients with portal vein tumor thrombus after hepatectomy.
    Author: Cheng YQ, Wang K, Zhang XP, Wei XB, Jiang YB, Hu YR, Mao FF, Guo WX, Shi J, Cheng SQ.
    Journal: J Gastroenterol Hepatol; 2019 Jul; 34(7):1214-1221. PubMed ID: 30402968.
    Abstract:
    BACKGROUND AND AIM: Portal vein tumor thrombus (PVTT) predicts a poor prognosis in hepatocellular carcinoma (HCC) patients. Platelets (PLTs) play an important role in HCC progression and metastasis. However, the relationship between PLTs and PVTT remains unclear. This study aimed to evaluate the value of PLT counts in the prognosis of HCC patients with PVTT after hepatectomy. METHODS: From January 2002 to December 2012, 694 HCC patients with PVTT after hepatectomy were evaluated. The patients were divided into the thrombocytopenia group (PLT < 100 × 109 /L), the normal group, and the thrombocytosis group (PLT > 300 × 109 /L) based on the preoperative PLT level. A propensity score matching (PSM) analysis was used. RESULTS: Before the PSM, PVTT patients with thrombocytopenia exhibited longer recurrence-free survival (RFS) and overall survival (OS) compared with those with normal PLT counts (both P < 0.001) or thrombocytosis (P = 0.008 and P = 0.046). For the thrombocytopenia group and the normal group, the 1-, 2-, and 3-year RFS values were 30.0%, 17.6%, and 15.7% and were 10.8%, 6.6%, and 5.8% (P < 0.001), respectively; the 1-, 2-, and 3-year OS values were 61.9%, 37.9%, and 31.2% and were 38.3%, 23.3%, and 16.0% (P < 0.001), respectively. After the PSM, the median survival time was 16.6 versus 8.6 months (P < 0.002) in the two groups. A subgroup analysis revealed that thrombocytopenia is associated with improved OS in those with type I PVTT (P = 0.021) or type II PVTT (P = 0.029). CONCLUSION: According to the PSM, preoperative thrombocytopenia predicts an increased RFS and OS in HCC patients with PVTT after hepatectomy.
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