Dig Dis Sci:天冬氨酸氨基转移酶与血小板比率指数可以预测结直肠癌肝转移患者术后肝功能衰竭的风险

2022-02-24 MedSci原创 MedSci原创

结肠癌是常见的发生于结肠部位的消化道恶性肿瘤,结肠癌与人们食用红肉(如牛肉)有着很大的相关性。好发于直肠与乙状结肠交界处,以40~50岁年龄组发病率最高,男女之比为2~3:1。

结直肠癌 (CRC) 是全球第三大常见癌症,也是美国癌症相关死亡的第三大常见原因,在整个疾病自然病程中,大约 50%的被诊断为 CRC 的患者会发生肝转移,并且在 14-18% 的新诊断病例中已经出现肝转移。切除原发肿瘤和所有转移灶后,5年生存率可达50%,10 年生存率可达38%。肝脏相关并发症,特别是肝切除术后肝功能衰竭(PHLF)和围手术期出血,是接受肝切除术的患者主要不良预后。天冬氨酸氨基转移酶 (AST) 与血小板比率指数 (APRI) 首次被验证为丙型肝炎患者的无创纤维化标志物,因此,本项研究旨在评估天冬氨酸转氨酶与血小板比率指数 (APRI) 是否可以作为术后肝衰竭的预测指标。

研究人员使用美国国家手术质量改进计划数据库用于筛选出 2015 年至 2017 年期间接受术前化疗并接受肝切除术治疗结直肠转移的患者。进行一致性指数分析以确定 APRI 对肝衰竭预测的贡献,通过计算APRI 对于预测肝切除术术后的敏感性,检验了其预测肝切除术后肝功能衰竭和围手术期出血的能力。

 

本项研究共有 2374 名患者被确定并纳入分析。与终末期肝病模型 (MELD) 评分相比,APRI被证明是术后肝衰竭的更好预测指标,曲线下面积更大,具有统计学意义。预测肝功能衰竭的最佳 APRI 截止值为 0.365。多变量逻辑回归显示,APRI≥0.365与PHLF独立相关,优势比 (OR) 2.51,95% (CI) 1.67–3.77,P < .0001。同样,APRI≥0.365 与需要输血的围手术期出血并发症独立相关,OR 1.41,95% CI 1.13–1.77,P = 0.002。MELD 评分与 PHLF 或出血并发症无统计学关联。

图:天冬氨酸氨基转移酶与血小板比率指数预测能力

 

通过以上研究,作者证实在接受术前化疗的患者中,APRI 与肝切除术后肝功能衰竭和需要输血的围手术期出血独立相关。一致性指数显示 APRI 作为术后肝功能衰竭的预测指标有显着贡献。

原始出处:

Yazan Ashouri. Et al. Aspartate Aminotransferase-to-Platelet Ratio Index Predicts Liver Failure After Resection of Colorectal Liver Metastases. Digestive Diseases and Sciences.2022.

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