Infected aortic aneurysm caused by Helicobacter cinaedi: case series and systematic review of the literature.

Abstract:

BACKGROUND:Helicobacter cinaedi is rarely identified as a cause of infected aneurysms; however, the number of reported cases has been increasing over several decades, especially in Japan. We report three cases of aortic aneurysm infected by H. cinaedi that were successfully treated using meropenem plus surgical stent graft replacement or intravascular stenting. Furthermore, we performed a systematic review of the literature regarding aortic aneurysm infected by H. cinaedi. CASE PRESENTATION:We present three rare cases of infected aneurysm caused by H. cinaedi in adults. Blood and tissue cultures and 16S rRNA gene sequencing were used for diagnosis. Two patients underwent urgent surgical stent graft replacement, and the other patient underwent intravascular stenting. All three cases were treated successfully with intravenous meropenem for 4 to 6 weeks. CONCLUSIONS:These cases suggest that although aneurysms infected by H. cinaedi are rare, clinicians should be aware of H. cinaedi as a potential causative pathogen, even in immunocompetent patients. Prolonged incubation periods for blood cultures are necessary for the accurate detection of H. cinaedi.

journal_name

BMC Infect Dis

journal_title

BMC infectious diseases

authors

Matsuo T,Mori N,Mizuno A,Sakurai A,Kawai F,Starkey J,Ohkushi D,Abe K,Yamasaki M,Ito J,Yoshino K,Mikami Y,Uehara Y,Furukawa K

doi

10.1186/s12879-020-05582-7

subject

Has Abstract

pub_date

2020-11-17 00:00:00

pages

854

issue

1

issn

1471-2334

pii

10.1186/s12879-020-05582-7

journal_volume

20

pub_type

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