实用医学杂志 ›› 2026, Vol. 42 ›› Issue (12): 2091-2097.doi: 10.3969/j.issn.1006-5725.2026.12.001

• 围术期管理与重症支持专栏 •    

基于“心--肾轴”的术前MELD-XI评分对老年心脏瓣膜术后长期全因死亡的预测价值

赵文青,李柳苑,张崇健,邱海龙,李晓峰()   

  1. 南方医科大学附属广东省人民医院(广东省医学科学院)心外重症监护科 (广东 广州 510080 )
  • 收稿日期:2026-03-13 出版日期:2026-06-25 发布日期:2026-06-30
  • 通讯作者: 李晓峰 E-mail:lixiaofeng@gdph.org.cn
  • 基金资助:
    国家自然科学基金资助项目(82370353)

Prognostic value of the Model for End-Stage Liver Disease Excluding International Normalized Ratio(MELD-XI) score for long-term all-cause mortality in elderly patients following cardiac valve surgery

Wenqing ZHAO,Liuyuan LI,Chongjian ZHANG,Hailong QIU,Xiaofeng LI()   

  1. Department of Cardiac Surgical Intensive Care Unit,Guangdong Provincial People’s Hospital Guangdong Academy of Medical Sciences,Southern Medical University,Guangzhou 510080,Guangdong,China
  • Received:2026-03-13 Online:2026-06-25 Published:2026-06-30
  • Contact: Xiaofeng LI E-mail:lixiaofeng@gdph.org.cn

摘要:

目的 评估排除国际标准化比值(INR)的改良版终末期肝病模型(MELD-XI)评分对老年心脏瓣膜术后患者长期全因死亡率的预测价值。 方法 回顾性纳入2013年1—12月于医院接受心脏瓣膜手术的263例老年患者(≥ 65岁)。根据术前总胆红素及血肌酐计算MELD-XI评分,并获取其长期生存状态。根据受试者工作特征曲线确定的最佳截断值,将患者分为低值组(≤ 11.82)和高值组(> 11.82)。采用单因素及多因素Cox比例风险回归模型分析MELD-XI评分与长期随访死亡风险的相关性,并通过Kaplan-Meier生存曲线及亚组分析进行验证。 结果 中位随访时间为7.9年,共60例患者死亡。多因素Cox回归分析显示,MELD-XI评分每增加1分,死亡风险增加9%(HR = 1.09, 95%CI:1.03 ~ 1.16,P = 0.002 4)。高值组死亡风险显著高于低值组(HR = 2.36,95%CI:1.29 ~ 4.35, P = 0.005 6)。亚组分析显示,MELD-XI评分的预测价值在不同临床特征的患者中一致(交互作用P均> 0.05)。Kaplan-Meier生存曲线证实高值组累积死亡率高于低值组(Log-rank P = 0.000 52)。 结论 术前MELD-XI评分是老年心脏瓣膜术后患者长期死亡风险的独立危险因素,评分越高,预后越差。

关键词: 排除国际标准化比值的改良版终末期肝病模型评分, 瓣膜病, 心脏瓣膜术, 预后

Abstract:

Objective To evaluate the predictive value of the Model for End-Stage Liver Disease Excluding International Normalized Ratio (MELD-XI) score for long-term all-cause mortality in elderly patients after cardiac valve surgery. Methods This retrospective study incorporated 263 elderly patients (aged ≥ 65 years) who underwent cardiac valve surgery at the hospital between January and December 2013. The MELD-XI score was computed based on the preoperative levels of total bilirubin and serum creatinine, and the long-term survival status was acquired. Patients were classified into a low-score group (≤ 11.82) and a high-score group (> 11.82) according to the optimal cut-off value determined by receiver operating characteristic curve analysis. Univariate and multivariate Cox proportional hazards regression models were employed to analyze the association between the MELD-XI score and long-term mortality, which was validated by Kaplan-Meier survival curves and subgroup analysis. Results Over a median follow-up period of 7.9 years, 60 patients passed away. Multivariate Cox regression analysis indicated that for every 1-point increment in the MELD-XI score, there was a 9% rise in the mortality risk (HR = 1.09, 95%CI: 1.03 - 1.16, P = 0.002 4). The high-score group exhibited a significantly greater mortality risk when compared to the low-score group (HR = 2.36, 95%CI: 1.29 - 4.35, P = 0.005 6). Subgroup analysis revealed a consistent predictive value among patients with different clinical characteristics (all interaction P-values > 0.05). Kaplan-Meier survival curves verified a significantly higher cumulative mortality in the high-score group (Log-rank P = 0.000 52). Conclusion The preoperative MELD-XI score serves as an independent predictor of the long-term mortality risk in elderly patients following cardiac valve surgery, where higher scores are indicative of a poorer prognosis.

Key words: model for end-stage liver disease-excluding international normalized ratio, valvular heart disease, cardiac valve surgery, prognosis

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