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Epidemiologic Factors, Clinical Presentation, Causes, and Outcomes of Liver Abscess: A 35-Year Olmsted County Study

To report the changing incidence, clinical presentation, microbiologic spectrum, and outcomes of pyogenic liver abscess (PLA) in Olmsted County, Minnesota, over the past 35 years. The Rochester Epidemiology Project was used to identify residents with PLA from January 1, 1980, through December 31, 20...

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Published in:Mayo Clinic proceedings. Innovations, quality & outcomes quality & outcomes, 2018-03, Vol.2 (1), p.16-25
Main Authors: Sharma, Ayush, Mukewar, Saurabh, Mara, Kristin C., Dierkhising, Ross A., Kamath, Patrick S., Cummins, Nathan
Format: Article
Language:English
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Summary:To report the changing incidence, clinical presentation, microbiologic spectrum, and outcomes of pyogenic liver abscess (PLA) in Olmsted County, Minnesota, over the past 35 years. The Rochester Epidemiology Project was used to identify residents with PLA from January 1, 1980, through December 31, 2014. The study included all patients older than 18 years, with the diagnosis of PLA confirmed through radiographic review and microbiologic cultures. In total, 72 patients received a diagnosis of PLA from 1980 through 2014. The age-adjusted incidence for men was 3.92 cases per 100,000 person-years (95% CI, 2.76-5.09 cases per 100,000 person-years) compared with 1.87 cases per 100,000 person-years (95% CI, 1.15-2.59 cases per 100,000 person-years) for women. Incidence was higher in the period from January 1, 2001, through December 31, 2014, than in the period from January 1, 1980, through December 31, 2000, for women (incidence rate ratio [IRR], 3.8; 95% CI, 1.43-10.09; P=.007) but not for men (IRR, 0.99; 95% CI, 0.55-1.76; P=.96). Fifteen additional patients had postintervention PLA (1980-2000: n=3 of 29 [10.3%] vs 2001-2015: n=12 of 58 [20.6%]). A significant association was seen between age- and sex-adjusted incidence rates of PLA and year of diagnosis (per year since 1980: IRR, 1.04; 95% CI, 1.02-1.07; P
ISSN:2542-4548
2542-4548
DOI:10.1016/j.mayocpiqo.2018.01.002