Abstract
BackgroundKlebsiella pneumoniae is a major pathogen of bacterial liver abscess in Asia. Particularly, patients with community-acquired Klebsiella pneumoniae liver abscess (CA-KPLA) tend to have a higher risk of invasive infection and pulmonary is a common invasive infectious site, making it a global clinical crisis. Therefore, considerable attention should be focused on the early prediction and active treatment strategies of such patients. MethodsThe clinical data of 127 CA-KPLA cases hospitalized from January 2017 to February 2022 were collected from a single center. Risk factors were analyzed by the use of univariable and multivariable analysis. Furthermore, independent risk factors of pulmonary affection were utilized to construct a predictive nomogram. ResultsThe incidence of pulmonary affection in KPLA patients was 57.5% (73/127) and the majority manifested as nodular lesions with cavities and pleural effusion in chest CT images. Based on the predictive nomogram, the SOFA score (>2) was defined as the most dominant independent risk factor for the occurrence of pulmonary affection, followed by the maximum diameter of liver abscess (>3 cm), multiple liver abscesses, bacteremia, and badly-controlled diabetes sequentially. The validation of this nomogram also demonstrated good discriminative ability and satisfactory consistency. Finally, early drainage of liver abscess, initial combinational antibiotics, and early Carbapenem-including antibiotic usage were established as favorable factors for therapy in pulmonary affected CA-KPLA patients. ConclusionThis study provided an effective model for the early prediction of pulmonary affection in patients with CA-KPLA and some rational strategies for their early therapeutic remission.
Published Version
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