Clinical characteristics of invasive Klebsiella pneumoniae liver abscess syndrome
Objective To analyze the clinical characteristics of invasive klebsiella pneumoniae liver abscess syndrome(IKPLAS),and compare it with common pyogenic liver abscess(CPLA).Methods The social demography and clinical data of inpatients with pyogenic liver abscess from January 2011 to December 2021 in the Peking University People's Hospital were collected.Based on the presence or absence of invasive infections and the results of bacterial etiology,IKPLAS was diagnosed and compared with CPLA.The general information,symptoms,past medical history,auxiliary examinations and prognosis indicators of the two groups of patients were compared.Results Total of 172 patients with pyogenic liver abscess were collected,including 25 cases of IKPLAS.Compared with CPLA group,the proportion of fever in IKPLAS group was lower,the proportion of diabetes history was higher,the proportion of monocytes was lower,and procalcitonin and urea nitrogen were higher(all P＜0.05),the proportion of multiple abscesses is higher,and the positive rate of blood culture and the cultivation of klebsiella pneumoniae are both higher(all P＜0.05).A total of 9 cases(5.2％)of patients developed septic shock,of which 2 cases(1.2％)died.The IKPLAS group had a higher proportion of ICU admissions(P＜0.05),but but the difference of mortality between the two groups was not statistically significant(P＞0.05).The most common sites of invasion infection in the IKPLAS group are the lungs(22/25),brain(9/25),and eyes(9/25).Conclusions There are differences in clinical characteristics between IKPLAS and CPLA,the most common sites of invasion infection are the lungs,brain,and eyes,but there is no difference in mortality in this study.For PLA with pathogenic Klebsiella pneumoniae,it is necessary to carefully evaluate the presence of invasive lesions and provide targeted local treatment to better improve prognosis.
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