Analysis of influencing factors and predictive value of in-hospital acute ischemic stroke
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摘要:
目的 鉴于院内发生的急性缺血性脑卒中(IHS)因患者基础疾病复杂、治疗背景特殊,常导致诊断延迟和预后不良,本研究旨在识别IHS发生的独立危险因素,并评估其预测价值,为临床早期识别和干预提供依据。 方法 回顾性选取2015年1月—2020年1月于新疆医科大学第二附属医院神经内科住院发生急性缺血性脑卒中的85例患者作为院内组,选取同期因急性缺血性脑卒中住院的170例患者作为对照组(院外组)。分析2组患者的一般资料,采用logistic回归分析研究影响院内急性缺血性脑卒中发生的因素;采用受试者工作特征曲线(ROC)分析各因素对院内急性缺血性脑卒中的预测价值。 结果 心功能不全(OR=5.202, 95% CI:1.436~18.849)、发病时mRS评分≥3分(OR=3.602, 95% CI:1.809~7.175)、围手术期(OR=4.085, 95% CI:1. 391~11. 997)、前循环+后循环梗死(OR=1.959, 95% CI:1.270~3.022)、心源性栓塞型(OR=2.312, 95% CI:1.257~4.253)均为院内急性缺血性卒中发生的独立危险因素(P<0.05)。心功能不全、发病时高mRS评分、围手术期、前循环+后循环梗死、心源性栓塞型预测IHS的AUC分别为0.705、0.720、0.736、0.751、0.782,5项指标联合预测的AUC为0.913。 结论 心功能不全、发病时高mRS评分、围手术期、前循环+后循环梗死及心源性栓塞型梗死是影响IHS发生的独立危险因素,并对IHS的发生具有一定的预测价值。 Abstract:Objective Given that in-hospital acute ischemic stroke (IHS) is often associated with diagnostic delays and poor prognosis due to patients' complex underlying conditions and specific treatment backgrounds, this study aims to identify independent risk factors for IHS and evaluate their predictive value, so as to provide a basis for early clinical identification and intervention. Methods A retrospective analysis was conducted on 85 cases of acute ischemic stroke admitted to the Department of Neurology of the Second Affiliated Hospital of Xinjiang Medical University, from January 2015 to January 2020. The 85 cases were included as the in-hospital group, and 170 cases hospitalized due to acute ischemic stroke during the same period were selected as the control group (out-of-hospital group). The general information between the two groups of patients was analyzed. Logistic regression was used to analyze the factors of in-hospital acute ischemic stroke. The receiver operating characteristic (ROC) curve was used to analyze the predictive value of each factor for acute ischemic stroke in the hospital. Results Cardiac insufficiency (OR=5.202, 95% CI: 1.436-18.849), mRS score at onset (≥3 points, OR=3.602, 95% CI: 1.809-7.175), perioperative period (OR=4.085, 95% CI: 1.391-11.997), combined anterior and posterior circulation infarction (OR=1.959, 95% CI: 1.270-3.022), and cardiogenic embolism (OR=2.312, 95% CI: 1.257-4.253) were identified as independent risk factors for the occurrence of acute ischemic stroke in hospital (P<0.05). The AUCs of IHS for cardiac insufficiency, high mRS score at onset, perioperative period, combined anterior and posterior circulation infarction, and cardiogenic embolism were 0.705, 0.720, 0.736, 0.751 and 0.782, respectively. The combined prediction of all five indicators yielded an AUC of 0.913. Conclusion Cardiac insufficiency, mRS score at onset, perioperative period, combined anterior and posterior circulation infarction, and cardiogenic embolic infarction are independent risk factors affecting the occurrence of IHS. These factors have certain significant predictive value for the occurrence of IHS. -
Key words:
- Acute ischemic stroke /
- In-hospital /
- Influencing factors /
- Predictive value
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表 1 院内卒中组与院外卒中组患者基线资料比较
Table 1. Comparison of baseline data between the in-hospital stroke group and the out-of-hospital stroke group
项目 院内组(n=85) 院外组(n=170) 统计量 P值 性别[例(%)] 男性 40(47.1) 112(65.9) 8.339a 0.004 女性 45(52.9) 58(34.1) 年龄(x±s,岁) 61.73±14.63 62.58±13.99 0.452b 0.652 吸烟[例(%)] 42(49.4) 73(42.9) 0.958a 0.328 饮酒[例(%)] 39(45.9) 63(37.1) 1.838a 0.175 高血压[例(%)] 54(63.5) 110(64.7) 0.034a 0.853 糖尿病[例(%)] 19(22.4) 56(32.9) 3.060a 0.080 高脂血症[例(%)] 35(41.2) 63(37.1) 0.406a 0.524 颈动脉斑块[例(%)] 67(78.8) 146(85.9) 2.052a 0.152 心肌梗死[例(%)] 10(11.8) 15(8.8) 0.554a 0.457 心房颤动[例(%)] 17(20.0) 17(10.0) 4.094a 0.027 心功能不全[例(%)] 24(28.2) 12(7.1) 20.959a <0.001 既往卒中史[例(%)] 11(12.9) 27(15.9) 0.387a 0.534 肾功能不全[例(%)] 21(24.7) 7(4.1) 24.573a <0.001 肺栓塞[例(%)] 2(2.4) 13(7.6) 2.859a 0.090 发热[例(%)] 40(47.1) 26(15.3) 29.805a <0.001 围手术期[例(%)] 46(54.1) 0 112.249a <0.001 发病前治疗[例(%)] 抗血小板药 22(25.9) 50(29.4) 0.348a 0.555 抗凝药 14(16.5) 19(11.2) 1.410a 0.235 降脂药 18(21.2) 45(26.5) 0.854a 0.355 发病时mRS评分(x±s,分) 3.89±0.90 2.52±1.29 9.850b <0.001 发病时NIHSS评分[M(P25, P75), 分] 7.00(3.00,14.00) 4.00(2.00,6.00) 5.100c <0.001 白细胞计数(x±s,×109/L) 11.55±5.14 8.05±2.78 5.856b <0.001 血红蛋白(x±s,g/L) 113.47±27.77 133.30±19.34 5.905b <0.001 CRP[M(P25, P75), mg/L] 14.00(5.09,64.50) 12.00(3.67,34.31) 1.824c 0.068 D-二聚体[M(P25, P75), ng/mL] 890.00(560.00,1 292.00) 242.00(97.00,835.25) 6.758c <0.001 Fib(x±s,g/L) 4.40±1.33 2.99±1.14 8.357b <0.001 梗死分布[例(%)] 7.106a 0.029 前循环 51(60.0) 103(60.6) 后循环 14(16.5) 46(27.1) 前循环+后循环 20(23.5) 21(12.4) TOAST分型[例(%)] 40.186a <0.001 大动脉粥样硬化型 21(24.7) 69(40.6) 小动脉闭塞型 20(23.5) 73(42.9) 心源性栓塞型 25(29.4) 23(13.5) 其他原因型 19(22.4) 5(2.9) 不明原因型 0 0 注:a为χ2值,b为t值,c为Z值。 表 2 变量赋值情况
Table 2. Variable assignment
变量 赋值方法 卒中情况 院外组=0,院内组=1 性别 男性=1,女性=2 心房颤动 否=0,是=1 心功能不全 否=0,是=1 肾功能不全 否=0,是=1 发热 否=0,是=1 围手术期 否=0,是=1 梗死分布 哑变量:前循环(有=1,无=0), 后循环(有=1,无=0), 前循环+后循环(有=1,无=0) TOAST分型 哑变量:大动脉粥样硬化型(有=1,无=0), 小动脉闭塞型(有=1,无=0), 心源性栓塞型(有=1,无=0), 其他原因型(有=1,无=0) 发病时mRS评分 <3分=0,≥ 3分=1 注:其余连续性变量均以实际值赋值。 表 3 IHS影响因素的多因素logistic回归分析
Table 3. Multivariate logistic regression analysis of factors influencing IHS
变量 B SE Waldχ2 P值 OR值(95% CI) 心功能不全 0.038 0.059 0.422 0.048 1.039(1.043~1.289) 发病时mRS评分 0.596 0.188 10.081 0.001 1.814(1.202~2.574) 围手术期 0.703 0.218 10.441 0.001 2.021(1.239~3.015) 前循环+后循环梗死 0.229 0.103 4.938 0.026 1.257(1.056~2.250) 心源性栓塞型 0.404 0.152 7.069 0.008 1.498(1.257~3.055) 注:本表仅列出差异有统计学意义的变量。 表 4 各因素对IHS发生的预测效能分析
Table 4. Assessment of the predictive performance of various risk factors for IHS
项目 AUC 95% CI 灵敏度(%) 特异度(%) 约登指数 心功能不全 0.705 0.247~0.852 68.55 71.25 0.490 发病时mRS评分≥3分 0.720 0.339~0.796 73.47 73.03 0.551 围手术期 0.736 0.235~0.856 69.05 73.27 0.471 前循环+后循环梗死 0.751 0.348~0.808 73.28 77.05 0.549 心源性栓塞型 0.782 0.351~0.814 74.99 78.19 0.536 联合 0.913 0.686~0.959 87.92 86.33 0.737 -
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