Campylobacter gastroenteritis is usually a self-limited infection, but it can have a number of complications in patients with immunodeficiency or other underlying diseases.
Extraintestinal infections may be more common with Campylobacter fetus subsp fetus.
Patients at risk:
(1) late stages of HIV infection with low CD4 count
(2) asplenia
(3) hypogammaglobulinemia
(4) immunosuppression from disease or therapy
(5) pregnancy
(6) cirrhosis
(7) severe diabetes mellitus
(8) neonates
Complications:
(1) prolonged gastrointestinal infection
(2) sepsis
(3) osteomyelitis
(4) cellulitis
(5) meningitis
(6) endocarditis
(7) mycotic aneurysms
(8) other localized infections (peritonitis, abscess, etc)
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