检验医学 ›› 2025, Vol. 40 ›› Issue (9): 848-855.DOI: 10.3969/j.issn.1673-8640.2025.09.004
收稿日期:2025-02-16
修回日期:2025-04-27
出版日期:2025-09-30
发布日期:2025-09-30
通讯作者:
谢小兵,E-mail:xxiaobing888@163.com。
作者简介:许莹芊,女,2000年生,硕士,技师,主要从事临床生化和分子生物学检验工作。
基金资助:
XU Yingqian, WANG Jinquan, PENG Huanzi, PENG Jiaqi, HE Kun, XIE Xiaobing(
)
Received:2025-02-16
Revised:2025-04-27
Online:2025-09-30
Published:2025-09-30
摘要:
目的 探讨血清和肽素在急性心肌梗死(AMI)早期诊断和预后评估中的价值。方法 选取2023年1月—2024年1月湖南中医药大学第一附属医院AMI患者102例(AMI组)、非AMI患者55例(对照组)。收集所有研究对象的临床资料,并检测血清和肽素、肌酸激酶MB同工酶(CK-MB)、心肌肌钙蛋白(cTn)I、肌红蛋白(MYO)和血脂水平。采用受试者工作特征(ROC)曲线评价各项指标诊断AMI的效能和预测6个月内发生主要心血管不良事件(MACE)的效能。采用Spearman相关分析评估AMI患者和肽素与CK-MB、cTnI、MYO的相关性。采用Cox比例风险回归分析评估各项指标与AMI患者发生MACE的关系。结果 AMI组血清和肽素、CK-MB 、MYO和cTnI水平均高于对照组(P<0.001)。血清和肽素与cTnI、MYO水平呈正相关(r值分别为0.578、0.624,P<0.001),与CK-MB无相关性(r=0.158,p=0.113)。血清和肽素单项检测诊断AMI的曲线下面积(AUC)为0.896,判断AMI患者6个月内发生MACE的AUC为0.810;和肽素+cTnI、CK-MB+MYO+cTnI、和肽素+cTnI+CK-MB+MYO诊断AMI的AUC分别为0.960、0.975、0.986,判断AMI患者6个月内发生MACE的AUC分别为0.961、0.958、0.949。和肽素、MYO、cTnI是AMI患者6个月内发生MACE的危险因素[风险比(HR)值分别为1.005、1.004、1.070,95%可信区间(CI)分别为1.001~1.008、1.000~1.008、1.015~1.128]。结论 血清和肽素诊断AMI和预测患者6个月内发生MACE具有较高的效能,或可作为AMI早期诊断和预后评估的生物标志物。
中图分类号:
许莹芊, 王金全, 彭欢子, 彭嘉琪, 何坤, 谢小兵. 血清和肽素在急性心肌梗死临床诊断和预后评估中的价值[J]. 检验医学, 2025, 40(9): 848-855.
XU Yingqian, WANG Jinquan, PENG Huanzi, PENG Jiaqi, HE Kun, XIE Xiaobing. Roles of serum copeptin in clinical diagnosis and prognosis evaluation of acute myocardial infarction[J]. Laboratory Medicine, 2025, 40(9): 848-855.
| 组别 | 例数 | 性别 | 年龄/岁 | 吸烟史/[例(%)] | 饮酒史/[例(%)] | 糖尿病史/[例(%)] | 呼吸系统疾病史/[例(%)] | BMI/(kg·m-2) | |
|---|---|---|---|---|---|---|---|---|---|
| 男/例 | 女/例 | ||||||||
| AMI组 | 102 | 62 | 40 | 62.24±10.77 | 30(29.4) | 26(25.4) | 22(21.6) | 15(14.7) | 23.01±2.82 |
| 对照组 | 55 | 36 | 19 | 65.22±7.89 | 13(23.6) | 20(36.4) | 12(24) | 6(10.9) | 22.44±2.67 |
| 统计值 | 0.322 | -1.808 | 0.599 | 2.039 | 0.001 | 0.445 | 1.227 | ||
| P值 | 0.564 | 0.073 | 0.439 | 0.153 | 0.971 | 0.505 | 0.222 | ||
| 组别 | 收缩压/kPa | 舒张压/kPa | TG/(mmol·L-1) | TC/(mmol·L-1) | LDL-C/(mmo·L-1) | HDL-C/(mmol·L-1) | |||
| AMI组 | 16.63±0.70 | 9.18±1.29 | 1.55±1.05 | 5.23±0.43 | 3.1±0.71 | 1.29±0.19 | |||
| 对照组 | 16.44±0.86 | 9.04±1.32 | 1.41±0.75 | 5.24±0.49 | 2.9±0.84 | 1.3±0.19 | |||
| 统计值 | 1.523 | 0.636 | 0.883 | -0.146 | 1.506 | -0.451 | |||
| P值 | 0.130 | 0.525 | 0.379 | 0.884 | 0.134 | 0.653 | |||
表1 AMI组和对照组临床资料比较
| 组别 | 例数 | 性别 | 年龄/岁 | 吸烟史/[例(%)] | 饮酒史/[例(%)] | 糖尿病史/[例(%)] | 呼吸系统疾病史/[例(%)] | BMI/(kg·m-2) | |
|---|---|---|---|---|---|---|---|---|---|
| 男/例 | 女/例 | ||||||||
| AMI组 | 102 | 62 | 40 | 62.24±10.77 | 30(29.4) | 26(25.4) | 22(21.6) | 15(14.7) | 23.01±2.82 |
| 对照组 | 55 | 36 | 19 | 65.22±7.89 | 13(23.6) | 20(36.4) | 12(24) | 6(10.9) | 22.44±2.67 |
| 统计值 | 0.322 | -1.808 | 0.599 | 2.039 | 0.001 | 0.445 | 1.227 | ||
| P值 | 0.564 | 0.073 | 0.439 | 0.153 | 0.971 | 0.505 | 0.222 | ||
| 组别 | 收缩压/kPa | 舒张压/kPa | TG/(mmol·L-1) | TC/(mmol·L-1) | LDL-C/(mmo·L-1) | HDL-C/(mmol·L-1) | |||
| AMI组 | 16.63±0.70 | 9.18±1.29 | 1.55±1.05 | 5.23±0.43 | 3.1±0.71 | 1.29±0.19 | |||
| 对照组 | 16.44±0.86 | 9.04±1.32 | 1.41±0.75 | 5.24±0.49 | 2.9±0.84 | 1.3±0.19 | |||
| 统计值 | 1.523 | 0.636 | 0.883 | -0.146 | 1.506 | -0.451 | |||
| P值 | 0.130 | 0.525 | 0.379 | 0.884 | 0.134 | 0.653 | |||
| 组别 | 例数 | 和肽素/(pg·mL-1) | CK-MB/(U·L-1) | cTnI/(ng·mL-1) | MYO/(μg·L-1) |
|---|---|---|---|---|---|
| 对照组 | 55 | 5.02(3.81,6.75) | 5.01(2.38,10.50) | 0.23(0.06,0.43) | 36.10(22.00,50.20) |
| AMI组 | 102 | 12.47(8.18,25.94) | 20.00(10.98,52.50) | 2.16(0.78,5.75) | 80.75(41.25,143.85) |
| Z值 | -8.170 | -7.647 | -8.592 | -6.656 | |
| P值 | <0.001 | <0.001 | <0.001 | <0.001 |
表2 AMI组和对照组血清和肽素、CK-MB 、MYO和cTnI水平比较
| 组别 | 例数 | 和肽素/(pg·mL-1) | CK-MB/(U·L-1) | cTnI/(ng·mL-1) | MYO/(μg·L-1) |
|---|---|---|---|---|---|
| 对照组 | 55 | 5.02(3.81,6.75) | 5.01(2.38,10.50) | 0.23(0.06,0.43) | 36.10(22.00,50.20) |
| AMI组 | 102 | 12.47(8.18,25.94) | 20.00(10.98,52.50) | 2.16(0.78,5.75) | 80.75(41.25,143.85) |
| Z值 | -8.170 | -7.647 | -8.592 | -6.656 | |
| P值 | <0.001 | <0.001 | <0.001 | <0.001 |
| 指标 | 联合检测方程 | AUC(95%CI①) | 最佳临界值 | 敏感性/% | 特异性/% | 约登指数 |
|---|---|---|---|---|---|---|
| 和肽素 | 0.896(0.849~0.943) | 8.29 pg·mL-1 | 73.0 | 92.7 | 0.672 | |
| 和肽素+ cTnI | Logit(P)=-5.108+0.452×和肽素+3.759×cTnI | 0.960(0.935~0.986) | 0.698 | 84.3 | 98.2 | 0.825 |
| CK-MB+MYO+cTnI | Logit(P)=-5.961+3.875×cTnI+0.217×CK-MB+0.034×MYO | 0.975(0.955~0.994) | 0.876 | 91.2 | 96.4 | 0.876 |
| 4项指标联合 | Logit(P)=-9.079+0.530×和肽素+0.262×CK-MB+3.519×cTnI+0.011×MYO | 0.986(0.971~1.000) | 0.688 | 94.1 | 98.2 | 0.923 |
表3 血清和肽素、CK-MB、cTnI、MYO单项检测和联合检测诊断AMI的效能
| 指标 | 联合检测方程 | AUC(95%CI①) | 最佳临界值 | 敏感性/% | 特异性/% | 约登指数 |
|---|---|---|---|---|---|---|
| 和肽素 | 0.896(0.849~0.943) | 8.29 pg·mL-1 | 73.0 | 92.7 | 0.672 | |
| 和肽素+ cTnI | Logit(P)=-5.108+0.452×和肽素+3.759×cTnI | 0.960(0.935~0.986) | 0.698 | 84.3 | 98.2 | 0.825 |
| CK-MB+MYO+cTnI | Logit(P)=-5.961+3.875×cTnI+0.217×CK-MB+0.034×MYO | 0.975(0.955~0.994) | 0.876 | 91.2 | 96.4 | 0.876 |
| 4项指标联合 | Logit(P)=-9.079+0.530×和肽素+0.262×CK-MB+3.519×cTnI+0.011×MYO | 0.986(0.971~1.000) | 0.688 | 94.1 | 98.2 | 0.923 |
| 指标 | 联合检测方程 | AUC(95%CI) | 最佳临界值 | 敏感性/% | 特异性/% | 约登指数 |
|---|---|---|---|---|---|---|
| 和肽素 | 0.810(0.670~0.950) | 33.34 pg·mL-1 | 66.7 | 95.1 | 0.618 | |
| 和肽素+ cTnI | Logit(P)=-5.107+0.018×和肽素+0.419×cTnI | 0.961(0.903~1.000) | 0.294 | 95.2 | 97.5 | 0.927 |
| CK-MB+MYO+cTnI | Logit(P)=-5.106+0.459×cTnI+0.018×CK-MB-0.001×MYO | 0.958(0.892~1.000) | 0.166 | 95.2 | 91.5 | 0.876 |
| 4项指标联合检测 | Logit(P)=-5.853+0.016×和肽素+0.023×CK-MB+0.448×cTnI-0.002×MYO | 0.949(0.858~1.000) | 0.264 | 95.2 | 97.5 | 0.927 |
表4 血清和肽素、CK-MB、cTnI、MYO单项检测和联合检测判断AMI患者6个月内发生MACE的效能
| 指标 | 联合检测方程 | AUC(95%CI) | 最佳临界值 | 敏感性/% | 特异性/% | 约登指数 |
|---|---|---|---|---|---|---|
| 和肽素 | 0.810(0.670~0.950) | 33.34 pg·mL-1 | 66.7 | 95.1 | 0.618 | |
| 和肽素+ cTnI | Logit(P)=-5.107+0.018×和肽素+0.419×cTnI | 0.961(0.903~1.000) | 0.294 | 95.2 | 97.5 | 0.927 |
| CK-MB+MYO+cTnI | Logit(P)=-5.106+0.459×cTnI+0.018×CK-MB-0.001×MYO | 0.958(0.892~1.000) | 0.166 | 95.2 | 91.5 | 0.876 |
| 4项指标联合检测 | Logit(P)=-5.853+0.016×和肽素+0.023×CK-MB+0.448×cTnI-0.002×MYO | 0.949(0.858~1.000) | 0.264 | 95.2 | 97.5 | 0.927 |
| 变量 | β值 | 标准误 | Wald值 | P值 | HR值(95% CI) |
|---|---|---|---|---|---|
| 和肽素 | 0.005 | 0.002 | 5.428 | 0.020 | 1.005(1.001~1.008) |
| CK-MB | 0.004 | 0.002 | 4.037 | 0.045 | 1.004(1.000~1.008) |
| cTnI | 0.068 | 0.027 | 6.234 | 0.013 | 1.070(1.015~1.128) |
| MYO | 0.000 | 0.002 | 0.078 | 0.780 | 1.000(0.996~1.003) |
表5 AMI患者6个月内发生MACE的危险因素分析
| 变量 | β值 | 标准误 | Wald值 | P值 | HR值(95% CI) |
|---|---|---|---|---|---|
| 和肽素 | 0.005 | 0.002 | 5.428 | 0.020 | 1.005(1.001~1.008) |
| CK-MB | 0.004 | 0.002 | 4.037 | 0.045 | 1.004(1.000~1.008) |
| cTnI | 0.068 | 0.027 | 6.234 | 0.013 | 1.070(1.015~1.128) |
| MYO | 0.000 | 0.002 | 0.078 | 0.780 | 1.000(0.996~1.003) |
| [1] | GBD 2017 DALYs and HALE Collaborators. Global,regional,and national disability-adjusted life-years(DALYs)for 359 diseases and injuries and healthy life expectancy(HALE)for 195 countries and territories,1990-2017:a systematic analysis for the global burden of disease study 2017[J]. Lancet, 2018, 392(10159):1859-1922. |
| [2] | IBANEZ B, JAMES S, AGEWALL S, et al. 2017 ESC guidelines for the management of acute myocardial infarction in patients presenting with ST-segment elevation:the task force for the management of acute myocardial infarction in patients presenting with ST-segment elevation of the European Society of Cardiology(ESC)[J]. Eur Heart J, 2018, 39(2):119-177. |
| [3] | THYGESEN K, ALPERT J S, JAFFE A S, et al. Fourth universal definition of myocardial infarction(2018)[J]. Circulation, 2018, 138(20):e618-e651. |
| [4] |
THYGESEN K, MAIR J, KATUS H, et al. Recommendations for the use of cardiac troponin measurement in acute cardiac care[J]. Eur Heart J, 2010, 31(18):2197-2204.
DOI PMID |
| [5] | GUAN X, LIANG T, FAN J, et al. The value of copeptin,myocardial fatty acid-binding protein and myocardial markers in the early diagnosis of acute myocardial infarction[J]. Am J Transl Res, 2022, 14(11):8002-8008. |
| [6] |
毛杰, 卢晴晴, 李萍, 等. 和肽素在不同疾病中的临床应用进展[J]. 检验医学, 2022, 37(3):291-294.
DOI |
| [7] | 杨烽华, 庄少伟. 和肽素与心血管疾病的关系研究进展[J]. 临床误诊误治, 2024, 37(2):143-146. |
| [8] | HANCOCK E W, DEAL B J, MIRVIS D M, et al. AHA/ACCF/HRS recommendations for the standardization and interpretation of the electrocardiogram:partⅤ:electrocardiogram changes associated with cardiac chamber hypertrophy:a scientific statement from the American Heart Association Electrocardiography and Arrhythmias Committee,Council on Clinical Cardiology;the American College of Cardiology Foundation;and the Heart Rhythm Society:endorsed by the International Society for Computerized Electrocardiology[J]. Circulation, 2009, 119(10):e251-e261. |
| [9] | BYRNE R A, ROSSELLO X, COUGHLAN J J, et al. 2023 ESC guidelines for the management of acute coronary syndromes[J]. Eur Heart J,2023, 44(38):3720-3826. |
| [10] | 中华医学会心血管病学分会, 中华心血管病杂志编辑委员会. 急性心肌梗死合并心原性休克诊断和治疗中国专家共识(2021)[J]. 中华心血管病杂志, 2022, 50(3):231-242. |
| [11] | STRUCK J, MORGENTHALER N G, BERGMANN A. Copeptin,a stable peptide derived from the vasopressin precursor,is elevated in serum of sepsis patients[J]. Peptides, 2005, 26(12):2500-2504. |
| [12] | MORGENTHALER N G, STRUCK J, ALONSO C, et al. Assay for the measurement of copeptin,a stable peptide derived from the precursor of vasopressin[J]. Clin Chem, 2006, 52(1):112-119. |
| [13] | HOLWERDA D A. A glycopeptide from the posterior lobe of pig pituitariesⅠ. Isolation and characterization[J]. Eur J Biochem, 1972, 28(3):334-339. |
| [14] | KATAN M, MORGENTHALER N, WIDMER I, et al. Copeptin,a stable peptide derived from the vasopressin precursor,correlates with the individual stress level[J]. Neuro Endocrinol Lett, 2008, 29(3):341-346. |
| [15] |
PIYANUTTAPULL S. Correlation of plasma copeptin levels and early diagnosis of acute myocardial infarction compared with troponin-T[J]. J Med Assoc Thai, 2013, 96(1):13-19.
PMID |
| [16] | KELLY D, SQUIRE I B, KHAN S Q, et al. C-terminal provasopressin(copeptin)is associated with left ventricular dysfunction,remodeling,and clinical heart failure in survivors of myocardial infarction[J]. J Card Fail, 2008, 14(9):739-745. |
| [17] |
KELLER T, TZIKAS S, ZELLER T, et al. Copeptin improves early diagnosis of acute myocardial infarction[J]. J Am Coll Cardiol, 2010, 55(19):2096-2106.
DOI PMID |
| [18] | GEGENHUBER A, STRUCK J, DIEPLINGER B, et al. Comparative evaluation of B-type natriuretic peptide,mid-regional pro-A-type natriuretic peptide,mid-regional pro-adrenomedullin,and copeptin to predict 1-year mortality in patients with acute destabilized heart failure[J]. J Card Fail, 2007, 13(1):42-49. |
| [19] | KHAN S Q, DHILLON O S, O'BRIEN R J, et al. C-terminal provasopressin(copeptin)as a novel and prognostic marker in acute myocardial infarction:leicester acute myocardial infarction peptide(LAMP)study[J]. Circulation, 2007, 115(16):2103-2110. |
| [20] | MORGENTHALER N G. Copeptin:a biomarker of cardiovascular and renal function[J]. Congest Heart Fail, 2010, 16(Suppl 1):S37-S44. |
| [21] | HAMM C W, BASSAND J P, AGEWALL S, et al. ESC guidelines for the management of acute coronary syndromes in patients presenting without persistent ST-segment elevation:the task force for the management of acute coronary syndromes(ACS)in patients presenting without persistent ST-segment elevation of the European Society of Cardiology(ESC)[J]. Eur Heart J, 2011, 32(23):2999-3054. |
| [22] | KUMAR A, CANNON C P. Acute coronary syndromes:diagnosis and management,partⅠ[J]. Mayo Clin Proc, 2009, 84(10):917-938. |
| [23] | MUELLER C. Biomarkers and acute coronary syndromes:an update[J]. Eur Heart J, 2014, 35(9):552-556. |
| [24] |
GANDHI P U, JANUZZI J L Jr. Can copeptin emerge from the growing shadow of the troponins?[J]. Eur Heart J, 2015, 36(6):333-336.
DOI PMID |
| [25] | GIANNITSIS E, CLIFFORD P, SLAGMAN A, et al. Multicentre cross-sectional observational registry to monitor the safety of early discharge after rule-out of acute myocardial infarction by copeptin and troponin:the Pro-Core registry[J]. BMJ Open, 2019, 9(7):e028311. |
| [26] |
VARGAS K G, KASSEM M, MUELLER C, et al. Copeptin for the early rule-out of non-ST-elevation myocardial infarction[J]. Int J Cardiol, 2016, 223:797-804.
DOI PMID |
| [27] | MAISEL A, MUELLER C, NEATH S X, et al. Copeptin helps in the early detection of patients with acute myocardial infarction:primary results of the CHOPIN trial(copeptin helps in the early detection of patients with acute myocardial infarction)[J]. J Am Coll Cardiol, 2013, 62(2):150-160. |
| [28] | SHIN H, JANG B H, LIM T H, et al. Diagnostic accuracy of adding copeptin to cardiac troponin for non-ST-elevation myocardial infarction:a systematic review and meta-analysis[J]. PLoS One, 2018, 13(7):e0200379. |
| [29] |
JEONG J H, SEO Y H, AHN J Y, et al. Performance of copeptin for early diagnosis of acute myocardial infarction in an emergency department setting[J]. Ann Lab Med, 2020, 40(1):7-14.
DOI PMID |
| [30] | MEUNE C, ZUILY S, WAHBI K, et al. Combination of copeptin and high-sensitivity cardiac troponin T assay in unstable angina and non-ST-segment elevation myocardial infarction:a pilot study[J]. Arch Cardiovasc Dis, 2011, 104(1):4-10. |
| [31] | 汤希凡, 秦辛玲. 高敏心肌肌钙蛋白T检测在急性心肌梗死诊断中的应用[J]. 实用医学杂志, 2012, 28(5):828-829. |
| [32] |
SAILER C O, REFARDT J, BLUM C A, et al. Validity of different copeptin assays in the differential diagnosis of the polyuria-polydipsia syndrome[J]. Sci Rep, 2021, 11(1):10104.
DOI PMID |
| [1] | 王春红. sd-LDL-C/HDL-C比值与急性心肌梗死患者经皮冠状动脉介入治疗短期预后的关系[J]. 检验医学, 2025, 40(9): 875-880. |
| [2] | 王青雷, 黄贤胜, 付珊, 李舒承, 王虹. 急性心肌梗死患者血清TET2、ox-LDL、CLU水平与心室重构及主要心血管不良事件的相关性[J]. 检验医学, 2025, 40(1): 49-53. |
| [3] | 陈定中, 杨雯, 冯燕菊, 梁先, 张小珍. 血清SFRP5、KLK1联合检测对ST段抬高心肌梗死患者PCI术后无复流的预测价值[J]. 检验医学, 2025, 40(1): 84-89. |
| [4] | 赵沱, 白鹏飞, 孙婧, 程涛. 血清lncRNA NEAT1在急性心肌梗死患者中的表达及其临床意义[J]. 检验医学, 2023, 38(9): 897-900. |
| [5] | 邢宝宝, 曹银芳. sd-LDL-C/LDL-C比值对AMI患者介入治疗后支架内再狭窄的预测价值[J]. 检验医学, 2023, 38(10): 941-945. |
| [6] | 潘文麒, 陆林. Vasostatin-2与心肌梗死患者慢性心力衰竭发生及预后的关系[J]. 检验医学, 2022, 37(7): 623-627. |
| [7] | 毛杰, 卢晴晴, 李萍, 石盛洁, 李菁, 邓长娟, 谭超超, 谢小兵. 和肽素在不同疾病中的临床应用进展[J]. 检验医学, 2022, 37(3): 291-294. |
| [8] | 成景松, 阮家安, 孟建华. 血浆DD联合GRACE评分在老年急性心肌梗死预后评估中的价值[J]. 检验医学, 2022, 37(2): 162-164. |
| [9] | 郑家华, 姚艳影, 高庆玲, 董晔. Lp(a)、apo B/apo A-1比值对AMI患者介入治疗后发生主要不良心血管事件的预测价值[J]. 检验医学, 2022, 37(12): 1141-1145. |
| [10] | 马建国, 朱小林, 丁永广, 尹萌, 李洪春. RDW和心肌标志物预测冠状动脉粥样硬化患者发生急性心肌梗死的价值[J]. 检验医学, 2022, 37(12): 1164-1168. |
| [11] | 陈超超, 毕晓洁, 沈波. 类风湿因子干扰导致化学发光法检测cTnI假阳性结果处理与分析[J]. 检验医学, 2021, 36(7): 768-770. |
| [12] | 张茜林, 沈逸枫, 朱晶, 张春燕, 邵文琦, 王蓓丽, 郭玮. 血清AST、m-AST水平和m-AST/AST比值在CHD患者及AMI患者术前、术后评估中的价值[J]. 检验医学, 2021, 36(5): 471-476. |
| [13] | 何成山, 姚晓阳, 蒋秀娣, 陆志成. 自建微阵列化学发光免疫分析法定量检测心肌肌钙蛋白I自身抗体及其初步临床应用[J]. 检验医学, 2021, 36(3): 318-324. |
| [14] | 李莹, 蔡琴, 张卫卫, 王宝莉, 李晨辉. 血清MMP-2、ICTP在急性心肌梗死中的临床价值[J]. 检验医学, 2020, 35(12): 1272-1276. |
| [15] | 舒铭, 金鹿, 陈秋莹. 血清铁调素检测对冠心病患者心肌损伤的诊断价值[J]. 检验医学, 2019, 34(9): 783-786. |
| 阅读次数 | ||||||
|
全文 |
|
|||||
|
摘要 |
|
|||||