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Antimicrobial treatment of Acinetobacter neuii invasive infections: A systematic review

Antimicrobial treatment of Acinetobacter neuii invasive infections: A systematic review

Milica Milentijević ,
Milica Milentijević
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Nataša Katanić ,
Nataša Katanić
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Jelena Aritonović-Pribaković Orcid logo ,
Jelena Aritonović-Pribaković
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Aleksandar Kočović ,
Aleksandar Kočović
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Jovana Milosavljević ,
Jovana Milosavljević
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Miloš Milosavljević Orcid logo ,
Miloš Milosavljević
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Srđan Stefanović Orcid logo ,
Srđan Stefanović
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Đorđe Ivković
Đorđe Ivković
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Published: 01.12.2019.

Volume 49, Issue 3 (2020)

pp. 25-32;

https://doi.org/10.5937/pramed2004025m

Abstract

Aims: The objectives of this study were to find out whether and to what extent Actinomyces neuii is pathogenic to humans in terms of causing invasive infections and to ascertain the most appropriate and effective antibiotic therapy against this bacterium. Material and method: This study was designed as a systematic review article. MEDLINE, Google Scholar, SCIndex, Cochrane database of published clinical trials - Central and Clinicaltrials.gov databases were systematically searched for primary case reports or case series describing invasive infection with Actinomyces neuii. Results: A literature search identified 23 studies that met the inclusion criteria, describing cases of patients with an invasive infection caused by Actinomyces neuii. It was found that A. neuii could cause endocarditis, endophthalmitis, osteomyelitis, pleural empyema, soft tissue abscesses, neonatal sepsis, ventriculoperitoneal shunt infections and periprosthetic tissue infections. The most prescribed antibiotics for the treatment of Actinomyces neuii infections were amoxicillin and vancomycin (n = 10; 12.3%), followed by penicillin (n =9; 11.1%), gentamicin (n = 6; 7.4%), ampicillin (n = 5; 6.2%) and ceftazidime (n = 4; 4.9%). Antibiotic treatment of infections caused by A. neuii was followed by clinical improvement or complete cure of all patients, with no recorded deaths. Conclusion: A. neuii has a relevant pathogenic potential to cause invasive infections of various organs and tissues, especially in immunocompromised individuals of any age. For the treatment of mild infections caused by this bacterium, the antibiotics of choice are penicillin or amoxicillin, while vancomycin should be used to treat severe infections caused by Actinomyces neuii.

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