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. 2023 Apr;46(4):288-296.
doi: 10.1016/j.gastrohep.2022.09.001. Epub 2022 Sep 14.

Incidence, risk factors and clinical outcomes of multidrug-resistant microorganism infections among patients admitted for decompensated cirrhosis: A prospective study

[Article in English, Spanish]
Helena Masnou  1 , Ariadna Aguilar  2 , Ignacio Iborra  2 , Margarita Sala  3 , Maria Torner  2 , Ariadna Clos-Parals  2 , Alba Ardèvol  2 , Montserrat Giménez  4 , Marta Fortuny  2 , Maria Rosa Sarrias  5 , Rosa M Morillas  6 , Eugeni Domènech  6
Affiliations

Incidence, risk factors and clinical outcomes of multidrug-resistant microorganism infections among patients admitted for decompensated cirrhosis: A prospective study

[Article in English, Spanish]
Helena Masnou et al. Gastroenterol Hepatol. 2023 Apr.

Abstract

Background: Bacterial infections remain one of the main complications in cirrhosis and worsen patients' prognosis and quality of life. An increase in multidrug resistant microorganism (MDRM) infections among patients with cirrhosis, together with infection-related mortality rates, have been reported in recent years. Therefore, adaptation of the initial empiric antibiotic approach to different factors, particularly the local epidemiology of MDRM infections, has been recommended. We aim to describe the main features, outcomes and risk factors of MDRM infections in patients with cirrhosis.

Methods: Prospective registry of all episodes of in-hospital infections occurring among cirrhotic patients admitted within a 2-year period at a single center. Clinical and microbiological data were collected at the time of infection diagnosis, and the in-hospital mortality rate of the infectious episode was registered.

Results: A total of 139 infectious episodes were included. The disease-causing microorganism was identified in 90 episodes (65%), of which 31 (22%) were caused by MDRM. The only two factors independently associated with MDRM infections were rectal colonization by MDRM and a nosocomial or healthcare-associated source. The infection-related mortality rate was 18.7%. MDRM infection and a past history of hepatic encephalopathy were independently associated with in-hospital mortality.

Conclusions: Almost one fourth of bacterial infections occurring in admitted cirrhotic patients were due to MDRM. Rectal colonization was the most important risk factor for MDRM infections in decompensated cirrhosis. Screening for MDRM rectal colonization in patients admitted for decompensated cirrhosis should be assessed as a tool to improve local empiric antibiotic strategies.

Keywords: Cirrhosis; Infección; Infection; Microorganismos multiresistentes; Mortalidad; Mortality; Multidrug-resistant microorganism.

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