Analysis of Risk Factors for Pulmonary Infection in Acute Ischemic Stroke Patients Following Intravenous Thrombolysis with Alteplase

Overview

Journal Am J Transl Res

Specialty General Medicine

Date 2024 Oct 14

PMID 39398567

Authors

Fei Liu

Jingfei Chen

Affiliations

Soon will be listed here.

Abstract

Objective: To identify the risk factors for pulmonary infection in acute ischemic stroke patients treated with intravenous thrombolysis using alteplase.

Methods: A retrospective analysis was conducted on 110 acute ischemic stroke patients who received intravenous alteplase thrombolysis between January 2019 and November 2022. The patients were categorized into a pulmonary infection group (40 cases) and a non-infection group (70 cases).

Results: Multivariate logistic regression analysis identified the following independent risk factors for pulmonary infection: age, National Institutes of Health Stroke Scale (NIHSS) score at admission, underlying lung disease, hypertension, mechanical ventilation, aspiration, confusion, and elevated C-reactive protein (CRP) levels (all P<0.05). The sensitivity and specificity of CRP ifor predicting pulmonary infection were 88.57% and 75.00%, respectively. The NIHSS score demonstrated a sensitivity of 87.14% and a specificity of 70.00%. Further stratification of patients into a good prognosis group (75 cases) and a poor prognosis group (35 cases) revealed that high NIHSS scores at admission, increased fibrinogen (FIB) levels, a thrombolysis window exceeding 3 hours, and concurrent pulmonary infection were independent risk factors for poor prognosis. The area under the ROC curve for NIHSS in predicting prognosis was 0.890, and for FIB, it was 0.854 (P<0.001). The sensitivity and specificity of NIHSS for predicting poor prognosis were 89.33% and 82.86%, respectively, while for FIB, they were 84.00% and 82.86%.

Conclusions: These findings indicate that factors such as age, NIHSS score, underlying lung disease, hypertension, and elevated CRP levels significantly contribute to the risk of pulmonary infection in acute ischemic stroke patients. Clinicians should closely monitor these values to manage the risk of pulmonary infection effectively.

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