Educational resource · Not a medical device · Infectious diseases review in progress · Does not replace clinical judgement

Acinetobacter baumannii — Acinetobacter

Review by an infectious diseases specialist in progress · edited by a physician, AI-assisted writing · level of evidence computed from the source type · page as of 29 October 2026 · Methodology

Moraxellaceae · Gram-negative

Bactérie quasi-exclusivement nosocomiale et de réanimation. Le CRAB (Carbapenem-Resistant Acinetobacter baumannii) est cité parmi les pathogènes prioritaires (ESKAPE est un acronyme, pas une liste de priorité ; not verified). Réservoir environnemental important (surfaces, matériel médical). Options thérapeutiques très limitées : polymyxine IV (colistine), sulbactam si souche sensible ; rifampicine en appoint non suggérée (IDSA/ATS 2016) ; céfidérocol : non sourcé.

Scope: dosing as described in the cited guidelines (French or international context, stated by the source), for adults with normal renal function unless stated on the line. No renal or hepatic, paediatric or pregnancy adjustment is provided systematically. These regimens have not been reviewed by any infectious-disease specialist to date.

Documented organ tropism

Organs where foci of Acinetobacter baumannii are described in the cited literature. The reported frequency is not an individual probability.

Organ	Tropism	Level of evidence	Sources	Spread route
Lung (PAVM)	High tropism	Evidence B	2	not recorded
Skin	High tropism	Evidence C	1	not recorded
Meninges (post-neurochirurgie)	Moderate tropism	Evidence B	2	not recorded
Urinary system / Bladder	Moderate tropism	Evidence B	2	not recorded

Described portals of entry

• Lung
• Skin
• Urinary system / Bladder

Spread routes recorded: 0 of 4 documented foci A focus without a route is not a focus without spread: the route is simply not recorded.

Sources

• Kalil AC et al. — IDSA/ATS Management of Adults with HAP/VAP (2016) — doi:10.1093/cid/ciw353
• Peleg AY et al. — Acinetobacter baumannii: emergence of a successful pathogen (2008) — doi:10.1128/CMR.00058-07
• Dijkshoorn L et al. — An increasing threat in hospitals: multidrug-resistant Acinetobacter baumannii (Nat Rev Microbiol) (2007) — doi:10.1038/nrmicro1789
• Tunkel AR et al. — IDSA Management of Healthcare-Associated Ventriculitis (CID) (2017) — doi:10.1093/cid/ciw861
• IDSA — Diagnosis, Prevention and Treatment of Catheter-Associated UTI (CID) (2010) — doi:10.1086/650482

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