3. Old stuff
          3.2. Old physio stuff (around 2005)
              3.2.8. Microbiology
                  3.2.8.4. Gram-negative bacilli/rods (enteric)
 3.2.8.4.3. Campylobacter 

Campylobacter

Characteristics/Epidemiology

Infect intestine

Commensals of mammals and fowl

 

Pathogenesis/Transmission

Transmitted via faecal/oral route or food (via direct contact, contaminated meat (esp poultry), or contaminated water supply)

Clinical significance

C. jejuni

Acute enteritis

Incubation 1-7 days.

Last several weeks. Self-limiting

Symptoms:
  • Systemic - fever, headache, myalgia
  • Intestinal - abdo cramp, diarrhoea, bloody or non-bloody

Traveler's diarrhoea

Pseudoappendicitis

Bacteremia

Complication
  • Septic abortion
  • Reactive arthritis
  • Guillain-Barre syndrome

C. fetus

More likely than C. jejuni to result in non-intestinal infections

More likely than C. jejuni to affect immunocompromised patient

Laboratory identification

Curved, spiral, or S-shaped (resembling vibrios)

A single polar flagellum provides rapid motility

Microaerophillic

Do not ferment carbohydrate

Treatment

C. jejuni - ciprofloxacin

C. fetus - ampicillin or 3rd generation cephalosporin

Prevention/immunity

Thorough cooking of contaminated food

Pasteurisation of milk


Things to revise/add later:

Bibliography:


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