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Yunfei Wei,1,2,* Shiting Tang,1,* Zhouhua Xie,3 Yaoqin He,3 Yunli Zhang,4 Yiju Xie,5 Shijian Chen,1 Liuyu Liu,1 Yayuan Liu,1 Zhijian Liang1 1Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Key Laboratory of Precision Medicine in Cardio-cerebrovascular Diseases Control and Prevention & Guangxi Clinical Research Center for Cardio-cerebrovascular Diseases, Nanning, Peopleâs Republic of China; 2Department of Neurology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Peopleâs Republic of China; 3Department of Tuberculosis, The Fourth Peopleâs Hospital of Nanning City, Nanning, Peopleâs Republic of China; 4Department of Neurology, Peopleâs Hospital of Guangxi Zhuang Autonomous Region, Nanning, Peopleâs Republic of China; 5Department of Neurology, Wuming hospital of Guangxi Medical University, Nanning, Peopleâs Republic of China*These authors contributed equally to this workCorrespondence: Zhijian Liang, Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Guangxi Key Laboratory of Precision Medicine in Cardio-cerebrovascular Diseases Control and Prevention & Guangxi Clinical Research Center for Cardio-cerebrovascular Diseases, Nanning, Peopleâs Republic of China, Tel +86-771-5330705, Fax +86-771-5352627, Email liangzhijian@gxmu.edu.cnObjective: There have been only a few studies of ischemic stroke in patients with pulmonary tuberculosis (pTB). This study aimed to explore the clinical features and the underlying pathogenesis of pulmonary tuberculosis-related ischemic stroke (TBRIS).Methods: Active pulmonary tuberculosis patients with acute ischemic stroke (without conventional vascular risk factors) were recruited as the TBRIS group. Patients who solely had active pulmonary tuberculosis were recruited as the control group (pTB group). Clinical data were collected, and multiple logistic regression analysis was applied to analyze the independent risk factors for TBRIS.Results: A total of 179 TBRIS patients and 179 pTB patients were enrolled. Most (56.42%) of the TBRIS patients experienced the ischemic stroke events within 3 months after the diagnosis of tuberculosis. The multiple logistic regression analysis revealed that an increased mean platelet volume; elevated plasma D-dimer, C-reactive protein, and serum ferritin levels; and an increased monocyte percentage were independent risk factors for TBRIS. The AUC of the identification model was 0.778, with a sensitivity of 70.30% and a specificity of 78.90%.Conclusion: The findings in the present study suggested that most of the TBRIS patients experienced ischemic stroke within 3 months after the diagnosis of tuberculosis. And the more intensive immune response to the tuberculosis infection in the TBRIS group contributed to the initiation of platelet activation and to the development of a hypercoagulable state, which were attributed to the pathogenesis of TBRIS. Index of TBRIS equaling to 0.3234 facilitates clinicians to identify the pTB patients who were at higher risk for TBRIS, and allow physicians to take further effective measures to prevent ischemic stroke in patients with pTB. However, our findings will need to be confirmed by further studies.Keywords: pulmonary tuberculosis, ischemic stroke, tuberculosis-related ischemic stroke, independent risk factor, pathogenesis |
