Risk factors and pathogen distribution of postoperative pulmonary infection after interventional treatment for intracranial aneurysmal subarachnoid hemorrhage
Objective:To investigate the risk factors and pathogen distribution of postoperative pulmonary in-fection after interventional treatment for intracranial aneurysmal subarachnoid hemorrhage,and to develop early treatment strategies.Methods:A retrospective analysis was conducted on 152 patients with intracranial aneurysmal subarachnoid hemorrhage who underwent interventional treatment at Anyang District Hospital of Puyang City from February 2020 to September 2023.The patients were divided into infection group(35 cases)and non-infection group(117 cases)based on their postoperative conditions.The pathogen characteristics of the infection group were analyzed,and clinical data between the two groups were compared.Logistic regression analysis was used to identify risk factors.Results:The risk factors for postoperative pulmonary infection after interventional treatment included surgery duration exceeding 3 hours,smoking history,advanced age,dysphagia,underlying diseases,history of lung disease,invasive procedures and Hunt-Hess grade Ⅲ or above(P＜0.05).Logistic regression analysis re-vealed that surgery duration exceeding 3 hours,dysphagia,invasive procedures and Hunt-Hess grade Ⅲ or above were independent risk factors for postoperative pulmonary infection after interventional embolization(P＜0.05).A total of 48 pathogens were isolated from 35 patients with pulmonary infection,including 6 Gram-positive bacteria 12.5％and 42 Gram-negative bacteria 87.5％.Conclusion:The primary pathogens responsible for postoperative pulmonary infection following interventional treatment for subarachnoid hemorrhage are Gram-negative bacteria,which are associated with various factors including surgery duration exceeding 3 hours,smoking history,advanced age,dysphagiaand invasive procedures.Targeted interventions aimed at factors can help reduce the risk of postoper-ative pulmonary infection.
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