中国医科大学学报  2026, Vol. 55 Issue (5): 411-415

文章信息

张娟, 姜静, 袁平年, 王洋, 陈康丽
ZHANG Juan, JIANG Jing, YUAN Pingnian, WANG Yang, CHEN Kangli
血管生成素样蛋白4与内脂素在急性心力衰竭患者血清中的水平及其与短期预后的关系
Levels of serum angiopoietin-like protein 4 and visfatin in patients with acute heart failure and their relationship with short-term prognosis
中国医科大学学报, 2026, 55(5): 411-415
Journal of China Medical University, 2026, 55(5): 411-415

文章历史

收稿日期:2025-01-24
网络出版时间:2026-05-18 15:53:16
血管生成素样蛋白4与内脂素在急性心力衰竭患者血清中的水平及其与短期预后的关系
张娟1 , 姜静2 , 袁平年1 , 王洋1 , 陈康丽1     
1. 西北大学附属医院西安市第三医院心血管内科, 西安 710021;
2. 西北大学附属医院西安市第三医院重症医学科, 西安 710021
摘要目的 探讨血管生成素样蛋白4(ANGPTL4)和内脂素在急性心力衰竭(AHF)患者血清中的水平及其与短期预后的关系。方法 选取2021年9月至2022年9月我院诊治的97例AHF患者为观察组,并纳入同期健康体检者60例为对照组。ELISA检测血清ANGPTL4和内脂素水平。于出院后对AHF患者进行3个月的随访,根据患者是否出现终点事件分为预后良好组(68例)和预后不良组(29例)。比较2组患者一般资料及血清ANGPTL4、内脂素水平;采用logistic回归分析AHF预后的影响因素;应用受试者操作特征(ROC)曲线分析血清ANGPTL4和内脂素水平对AHF患者预后的评估价值。结果 与对照组比较,AHF患者血清ANGPTL4水平显著降低,内脂素水平明显升高(P < 0.05)。与预后良好组比较,预后不良组中肿瘤坏死因子α(TNF-α)、白细胞介素-6(IL-6)水平和纽约心脏协会(NYHA)分级存在统计学差异(P < 0.05)。与预后良好组比较,预后不良组患者血清ANGPTL4水平显著降低,内脂素水平均明显升高(P < 0.05)。TNF-α、IL-6、ANGPTL4、内脂素和NYHA分级是影响AHF预后的危险因素。ANGPTL4和内脂素联合预测AHF患者预后的曲线下面积(AUC)、灵敏度、特异度分别为0.932、93.10%、75.00%,高于上述指标的单独预测效能(P < 0.05)。结论 ANGPTL4、内脂素在AHF患者中表达异常,与患者预后关系密切;ANGPTL4、内脂素联合检测对AHF患者预后的预测价值更高。
关键词血管生成素样蛋白4    内脂素    急性心力衰竭    
Levels of serum angiopoietin-like protein 4 and visfatin in patients with acute heart failure and their relationship with short-term prognosis
1. Department of Cardiovascular Medicine, The Affiliated Hospital of Northwest University (Xi'an No. 3 Hospital), Xi'an 710021, China;
2. Department of Intensive Care Medicine, The Affiliated Hospital of Northwest University (Xi'an No. 3 Hospital), Xi'an 710021, China
Abstract: Objective To evaluate levels in serum angiopoietin-like protein 4 (ANGPTL4) and visfatin in patients with acute heart failure (AHF) and their relationship with short-term prognosis. Methods Ninety-seven patients with AHF treated at our hospital between September 2021 and September 2022 were selected as the observation group, and 60 patients who underwent health checkups during the same period were included as the control group. Serum ANGPTL4 and visfatin levels were detected using ELISA. Patients with AHF were followed up for 3 months after discharge and categorized into good (68 patients) and poor (29 patients) prognosis groups according to whether they had an endpoint event. We compared the data, including serum ANGPTL4 and visfatin levels, between the two groups and used logistic regression to analyze the factors influencing the prognosis of AHF, using receiver operating characteristic curves to determine the effects of serum ANGPTL4 and visfatin expression levels on patient prognosis. Results Serum ANGPTL4 and visfatin levels were significantly lower and higher, respectively, in patients with AHF compared with the control group (P < 0.05). Significant differences were observed in the tumor necrosis factor α (TNF-α) and interleukin-6 (IL-6) levels and New York heart association (NYHA) grade in the poor prognosis group compared with the good prognosis group (P < 0.05). Serum ANGPTL4 levels were significantly lower, while serum visfatin levels were significantly higher in patients in the poor prognosis group compared with those in the good prognosis group (P < 0.05). TNF-α, IL-6, ANGPTL4, visfatin, and NYHA classification were identified as risk factors affecting AHF prognosis. The area under the curve, sensitivity, and specificity of the combination of ANGPTL4 and visfatin in predicting the prognosis of patients with AHF were 0.932, 93.10%, and 75.00%, respectively, which were higher than the predictive efficacy of the above indexes individually (P < 0.05). Conclusion ANGPTL4 is low level in the serum of patients with AHF, and is a protective factor for their prognosis, while visfatin is high level in the serum of patients with AHF and is a prognostic risk factor.

急性心力衰竭(acute heart failure,AHF)是65岁以上患者意外入院的最常见原因,临床主要以全身充血(即由双心室心脏充盈压升高引起的细胞外液积聚)相关的症状和体征为典型表现[1]。因AHF住院的患者是心血管疾病(cardiovascular disease,CVD)死亡和再次入院的高危人群。因此,寻找关键指标预测评估AHF患者预后对临床治疗十分重要。血管生成素样蛋白4(angiopoietin-like protein 4,ANGPTL4)是脂质代谢的主要调节因子。研究[2]表明ANGPTL4是心血管疾病的潜在治疗靶点。内脂素是一种脂肪细胞因子,其主要作用是促进炎症反应,并在心血管系统的多个环节中发挥关键作用,包括诱发内皮功能障碍、促进动脉粥样硬化、导致斑块破裂与不稳定、引发心肌损伤、组织纤维化及病理性血管生成等。研究[3]发现,内脂素与急性心肌梗死中的心脏标志物相似,可能是心血管危险标志物。本研究对97例AHF患者进行3个月的随访,旨在探讨ANGPTL4、内脂素在AHF患者血清中的水平变化,并分析其与预后的相关性。

1 材料与方法 1.1 临床资料

选取2021年9月至2022年9月就诊于我院的AHF患者97例作为观察组,并收集同期健康体检者60例作为对照组。其中,观察组男54例,女43例;年龄52~79岁,平均(65.24±9.61)岁。对照组男32例,女28例;年龄50~79岁,平均(64.46±10.57)岁。

纳入标准:(1)患者临床症状符合《2021年ESC急性和慢性心力衰竭诊断和治疗指南》 [4]有关AHF的诊断标准;(2)年龄≥18岁;(3)自愿参与本研究并签署知情同意书。排除标准:(1)合并其他严重心血管疾病;(2)合并自身免疫性疾病;(3)合并其他急性感染性疾病。本研究获得我院伦理委员会批准(SYLL-2024-129)。

1.2 方法

1.2.1 样本收集

收集观察组AHF患者入院后及对照组研究对象入组后次日清晨空腹静脉血5 mL,4 500 r/min离心10 min,吸取上层血清,-80 ℃保存。

1.2.2 资料收集

收集观察组和对照组患者的一般资料,包括年龄、性别、体重指数(body mass index,BMI)、饮酒史、吸烟史、既往史、血清肌酐(serum creatinine,Scr)、白蛋白(albumin,ALB)和美国纽约心脏协会(New York Heart Association Classification,NYHA)分级。

1.2.3 ELISA

采用ELISA试剂盒检测患者血清ANGPTL4、内脂素和炎性细胞因子[肿瘤坏死因子α(tumor necrosis factor α,TNF-α)、白细胞介素-6(interleukin-6,IL-6)]水平。ANGPTL4 ELISA试剂盒购自杭州联科生物技术股份有限公司,内脂素、TNF-α、IL-6 ELISA试剂盒均购自上海碧云天生物技术股份有限公司。

1.2.4 随访及分组

通过门诊或电话的方式对患者出院后进行为期3个月的随访,根据是否出现终点事件(因心脏原因再次入院、心源性死亡)分为预后良好组(68例)和预后不良组(29例)。

1.3 统计学分析

采用SPSS 25.0进行统计分析,符合正态分布的计量资料以x±s表示,组间比较采用t检验;不符合正态分布的计量资料采用Mann-Whitney U检验;计数资料以率(%)表示,采用χ2检验进行单因素分析,采用logistic回归进行多因素分析,并绘制受试者操作特征(receiver operating characteristic,ROC)曲线分析各指标对预后的预测效能。P < 0.05为差异有统计学意义。

2 结果 2.1 观察组和对照组血清ANGPTL4和内脂素水平比较

与对照组比较,AHF患者血清ANGPTL4水平显著降低[(31.42±5.53)mg/L vs.(24.35±5.61)mg/L],内脂素水平明显升高[(3.28±1.36)pg/mL vs.(10.47±1.73)pg/mL],差异均有统计学意义(P < 0.05)。

2.2 预后良好组和预后不良组AHF患者资料比较

所有患者完成随访。其中,有29例患者出现预后不良,预后不良率为29.90%。与预后良好组比较,预后不良组中TNF-α、IL-6水平和NYHA分级存在统计学差异(P < 0.05)。2组在年龄、性别、BMI、吸烟、酗酒、既往史、Scr、ALB水平方面无统计学差异(P > 0.05)。见表 1

表 1 预后良好组和预后不良组一般临床资料比较 Tab.1 Comparison of clinical data between the good and poor prognosis groups
Item Good prognosis group(n = 68) Poor prognosis group(n = 29) t2 P
Age(year) 64.47±8.59 65.86±9.06 0.718 0.475
Male [n(%)] 40(58.82) 18(62.07) 0.089 0.765
BMI(kg/m2 24.26±3.19 24.83±3.24 0.802 0.425
Smoking history [n(%)] 27(39.71) 13(44.83) 0.220 0.639
Alcohol history [n(%)] 21(30.88) 10(34.48) 0.121 0.728
Hypertension [n(%)] 8(11.76) 5(17.24) 0.525 0.468
Diabetes [n(%)] 6(8.82) 4(13.79) 0.543 0.461
Hyperlipidemia [n(%)] 6(8.82) 3(10.34) 0.056 0.813
Coronary heart disease [n(%)] 9(13.24) 8(27.59) 2.897 0.088
scr(μmol/L) 68.94±11.69 69.27±11.52 0.128 0.899
ALB(g/L) 38.05±9.36 39.51±9.42 0.698 0.487
TNF-α(ng/L) 27.35±9.17 43.57±11.24 7.443 < 0.001
IL-6(ng/L) 25.69±8.72 41.65±10.94 7.632 < 0.001
NYHA grade [n(%)] 19.127 < 0.001
  Grade Ⅱ 19(27.94) 5(17.24)
  Grade Ⅲ 37(54.41) 6(20.69)
  Grade Ⅳ 12(17.64) 18(62.07)

2.3 预后良好组和预后不良组血清ANGPTL4和内脂素水平比较

与预后良好组比较,预后不良组患者血清ANGPTL4水平显著降低[(27.58±4.71)mg/L vs.(18.95±4.29)mg/L],内脂素水平均明显升高[(8.04±1.38)pg/mL vs.(13.97±1.49)pg/mL],差异均有统计学意义(P < 0.05)。

2.4 AHF预后的影响因素

将AHF预后情况作为因变量,TNF-α、IL-6、ANGPTL4、内脂素和NYHA分级作为自变量进行logistic回归分析。结果显示,TNF-α、IL-6、ANGPTL4、内脂素和NYHA分级是影响AHF预后的危险因素。见表 2

表 2 AHF预后的危险因素logistic回归分析 Tab.2 Logistic regression analysis of the prognostic risk factors for AHF
Variable β SE Waldχ2 P OR 95%CI
TNF-α 0.265 0.132 4.030 0.045 1.303 1.006-1.601
IL-6 0.597 0.214 7.783 0.009 1.817 1.239-2.394
ANGPTL4 -0.422 0.281 2.255 < 0.001 0.656 1.280-2.517
Visfatin 0.392 0.127 9.527 < 0.001 1.480 1.004-1.956
NYHA grade 0.817 0.395 4.278 < 0.001 2.264 1.584-2.943

2.5 ANGPTL4和内脂素水平对AHF患者预后的评估价值

ANGPTL4和内脂素联合预测AHF患者预后的曲线下面积(area under the cure,AUC)为0.932,灵敏度和特异度分别为93.10%和75.00%,AUC和灵敏度高于上述指标的单独预测效能(P < 0.05)。见图 1表 3

图 1 ANGPTL4和内脂素水平对AHF患者预后的ROC曲线 Fig.1 ROC curve of ANGPTL4 and visfatin levels on the prognosis of patients with AHF

表 3 ANGPTL4和内脂素水平对AHF患者预后的评估价值 Tab.3 Effects of ANGPTL4 and visfatin levels on the prognosis of patients with AHF
Variable Cut-off value AUC Sensitivity(%) Specificity(%) 95%CI for AUC P
ANGPTL4 24.23 mg/L 0.890 89.66 77.94 0.827-0.953 < 0.001
Visfatin 10.36 pg/mL 0.832 82.76 70.59 0.736-0.938 < 0.001
Combined - 0.932 93.10 75.00 0.871-0.992 < 0.001

3 讨论

研究[5]表明,AHF患者出院后早期,尤其是最初3~6个月内,死亡和再住院风险最高,此阶段被称为“脆弱期”。尽管慢性心力衰竭治疗药物不断丰富,但AHF治疗效果仍不理想,其反复住院与多器官功能衰竭及不良预后密切相关[6]。在欧美地区,每年因心力衰竭住院者超过100万,30 d内再入院率达24%,6个月内高达50%,住院30 d内死亡率约为1/6[7]。因此,识别影响AHF预后的关键因素具有重要意义。

ANGPTL4是一种双功能蛋白,可调节血浆甘油三酯水平并参与血管生成。高水平的甘油三酯可促进动脉硬化与血管炎症,而ANGPTL4的水平与冠状动脉粥样硬化及甘油三酯水平相关,后者可作为粥样硬化的预测因子[8]。此外,ANGPTL4具有一定的抗动脉粥样硬化作用[9]。CHEN等[10]报道冠状动脉粥样硬化性心脏病患者血清ANGPTL4水平降低,且在无斑块、稳定斑块与不稳定斑块患者中存在显著差异。本研究结果显示,AHF患者ANGPTL4水平低于健康受试者,预后良好组高于预后不良组,提示ANGPTL4是AHF预后的保护因素,其水平降低会增加不良预后风险。

内皮功能障碍以炎症增强和血管通透性增加为特征,是动脉粥样硬化发生的重要机制。内脂素在动脉粥样硬化斑块相关的平滑肌细胞及不稳定斑块泡沫细胞中过度表达,提示其参与斑块失稳过程[11]。既往研究[3]表明,内脂素水平与高敏C反应蛋白及动脉闭塞程度呈正相关,后者是心肌梗死的重要诱因。ZHENG等[12]研究发现AMI患者内脂素水平升高,且高表达内脂素的主要不良心血管事件发生率升高。本研究发现AHF患者血清内脂素水平高于健康人群,预后良好组低于预后不良组,表明其为AHF预后的危险因素,水平升高将增加不良结局风险。

TNF-α、IL-6等促炎性细胞因子增加内皮细胞通透性,促进脂质与炎性巨噬细胞积聚,加剧内皮功能障碍与氧化应激[13]。研究[14-15]发现,TNF-α水平与心力衰竭患者内皮功能受损相关,IL-6与心肌梗死有关。ANGPTL4具有抗炎作用,可在IL-1β、TNF-α等刺激下释放;而内脂素在包括急性冠脉综合征在内的多种炎症疾病中高表达,且与IL-6水平和斑块不稳定正相关[16]。本研究也提示TNF-α与IL-6为AHF预后的危险因素,全身炎症反应会加重不良结局。此外,NYHA分级作为心力衰竭严重程度指标,也被证实为AHF预后的危险因素,提示应早期进行评估。

ROC曲线分析结果显示,血清ANGPTL4与内脂素对AHF预后均具预测价值,联合检测效能优于单项指标,可能因为两者在反映病情进展中具有协同作用。

综上所述,ANGPTL4、内脂素在AHF患者中表达异常,与患者预后关系密切;两者联合检测对AHF患者预后的预测价值更高。

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