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中华危重症医学杂志(电子版) ›› 2024, Vol. 17 ›› Issue (04) : 301 -306. doi: 10.3877/cma.j.issn.1674-6880.2024.04.005

论著

分泌型白细胞蛋白酶抑制因子对无创呼吸机治疗重症肺炎患者的预测效能
张烈1,(), 严一核2, 杜洁瑜3   
  1. 1. 312000 浙江绍兴,绍兴市第七人民医院神经内科
    2. 312000 浙江绍兴,绍兴市人民医院重症医学科
    3. 312000 浙江绍兴,绍兴市第七人民医院综合内科
  • 收稿日期:2024-05-31 出版日期:2024-08-31
  • 通信作者: 张烈
  • 基金资助:
    2021年度浙江省医药卫生科技计划项目(2021KY364)

Predictive efficacy of secretory leukocyte protease inhibitor in severe pneumonia patients with non-invasive ventilation

Lie Zhang1,(), Yihe Yan2, Jieyu Du3   

  1. 1. Department of Neurology, Shaoxing 7th People's Hospital, Shaoxing 312000, China
    2. Department of Critical Care Medicine, Shaoxing People's Hospital, Shaoxing 312000, China
    3. Department of General Medicine, Shaoxing 7th People's Hospital, Shaoxing 312000, China
  • Received:2024-05-31 Published:2024-08-31
  • Corresponding author: Lie Zhang
引用本文:

张烈, 严一核, 杜洁瑜. 分泌型白细胞蛋白酶抑制因子对无创呼吸机治疗重症肺炎患者的预测效能[J]. 中华危重症医学杂志(电子版), 2024, 17(04): 301-306.

Lie Zhang, Yihe Yan, Jieyu Du. Predictive efficacy of secretory leukocyte protease inhibitor in severe pneumonia patients with non-invasive ventilation[J]. Chinese Journal of Critical Care Medicine(Electronic Edition), 2024, 17(04): 301-306.

目的

分析下呼吸道分泌物分泌型白细胞蛋白酶抑制因子(SLPI)对无创呼吸机(NIV)治疗重症肺炎(SP)并发呼吸衰竭(RF)患者28 d生存的预测效能。

方法

选取2021年4月至2023年4月绍兴市第七人民医院和绍兴市人民医院收治经NIV治疗的SP并发RF患者82例,根据28 d生存情况分为死亡组(25例)及生存组(57例)。比较两组患者的一般临床资料及下呼吸道分泌物SLPI水平。经logistic回归模型分析NIV治疗SP并发RF患者28 d生存的影响因素,经受试者工作特征(ROC)曲线分析各影响因素对NIV治疗SP并发RF患者28 d生存的预测效能。

结果

与生存组比较,死亡组患者年龄较大[62(43,75)岁vs. 64(52,78)岁,Z = 3.044,P = 0.003],重度RF占比[26.32%(15/57)vs. 52.00%(13/25),χ2 = 5.098,P = 0.024]、致病菌种类≥ 2占比[35.09%(20/57)vs. 60.00%(15/25),χ2 = 4.408,P = 0.036]及急性病生理学和长期健康评价(APACHE)Ⅱ评分[17(10,21)分vs. 20(13,23)分,Z = 3.140,P = 0.002]均显著升高,氧合指数[(325 ± 60)mmHg vs.(284 ± 32)mmHg,t = 3.284,P = 0.002]及SLPI水平[(843 ± 102)μg/L vs.(735 ± 93)μg/L,t = 4.524,P < 0.001]均显著降低。Logistic回归模型分析显示,年龄[比值比(OR)= 2.240,95%置信区间(CI)(1.340,3.745),P = 0.002]、致病菌种类≥ 2[OR = 2.804,95%CI(1.447,5.434),P = 0.002]、APACHEⅡ评分[OR = 2.598,95%CI(1.268,5.324),P = 0.009]是行NIV治疗的SP并发RF患者28 d生存的危险因素,氧合指数[OR = 0.582,95%CI(0.383,0.883),P = 0.011]、SLPI[OR = 0.507,95%CI(0.281,0.917),P = 0.019]是其保护因素。ROC曲线显示,SLPI预测NIV治疗的SP并发RF患者28 d生存的最佳截断值为806.50 μg/L,曲线下面积(AUC)为0.788[95%CI(0.684,0.871),P < 0.001],且其AUC均高于年龄、致病菌种类≥ 2、APACHEⅡ评分、氧合指数(Z = 1.989,P = 0.047;Z = 2.629,P = 0.009;Z = 2.231,P = 0.026;Z = 2.438,P = 0.015)。

结论

下呼吸道分泌物SLPI是行NIV治疗SP并发RF患者28 d生存的保护性因素,且预测其生存情况的效能良好。

Objective

To analyze the predictive efficacy of lower respiratory secretory leukocyte protease inhibitor (SLPI) on the 28-day survival of severe pneumonia (SP) patients with respiratory failure (RF) treated by non-invasive ventilation (NIV).

Methods

Eighty-two SP patients with RF treated by NIV from Shaoxing 7th People's Hospital and Shaoxing People's Hospital between April 2021 and April 2023 were divided into a death group (25 cases) and a survival group (57 cases) according to their 28-day survival. The general clinical data and SLPI levels of lower respiratory tract secretions were compared between the two groups. A logistic regression model was used to analyze the influencing factors on the 28-day survival of SP patients with RF treated by NIV, and the predictive efficacy of each influencing factor on the 28-day survival of SP patients with RF was analyzed by a receiver operating characteristic (ROC) curve.

Results

Compared with the survival group, patients in the death group were older [62 (43, 75) years vs. 64 (52, 78) years, Z = 3.044, P = 0.003], the proportion of severe RF [26.32% (15/57) vs. 52.00% (13/25), χ2 = 5.098, P = 0.024], pathogen species ≥ 2 [35.09% (20/57) vs. 60.00% (15/25), χ2 = 4.408, P = 0.036] and acute physiology and chronic health evaluation Ⅱ (APACHE Ⅱ) score [17 (10, 21) vs. 20 (13, 23), Z = 3.140, P = 0.002] were significantly increased, and the oxygenation index [(325 ± 60) mmHg vs. (284 ± 32) mmHg, t = 3.284, P = 0.002] and SLPI levels [(843 ± 102) μg/L vs. (735 ± 93) μg/L, t = 4.524, P < 0.001] were obviously decreased. Logistic regression model analysis showed that the age [odds ratio (OR) = 2.240, 95% confidence interval (CI) (1.340, 3.745), P = 0.002], pathogen species ≥ 2 [OR = 2.804, 95%CI (1.447, 5.434), P = 0.002] and APACHEⅡ score [OR = 2.598, 95%CI (1.268, 5.324), P = 0.009] were risk factors for 28-day survival in SP patients with RF treated by NIV, and the oxygenation index [OR = 0.582, 95%CI (0.383, 0.883), P = 0.011] and SLPI [OR = 0.507, 95%CI (0.281, 0.917), P = 0.019] were the protective factors. The ROC curve showed that the best cutoff value for SLPI to predict 28-day survival in SP patients with RF treated by NIV was 806.50 μg/L, with the area under the curve (AUC) of 0.788 [95%CI (0.684, 0.871), P < 0.001], and its AUC was much higher than that of age, pathogen species ≥ 2, APACHEⅡ score and oxygenation index (Z = 1.989, P = 0.047; Z = 2.629, P = 0.009; Z = 2.231, P = 0.026; Z = 2.438, P = 0.015).

Conclusion

The SLPI of lower respiratory tract secretions is a protective factor for 28-day survival in SP patients with RF treated by NIV, and is effective in predicting their survival.

表1 两组NIV治疗的SP并发RF患者一般资料的比较( ± s
表2 影响NIV治疗的SP并发RF患者28 d生存的logistic回归分析
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