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Psittacosis

D W Gregory1, W Schaffner

  • 1Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN 37232-2637, USA.

Seminars in Respiratory Infections
|March 1, 1997
PubMed
Summary
This summary is machine-generated.

Psittacosis, a pneumonia caused by Chlamydia psittaci, is likely underdiagnosed. Bird contact history is key for diagnosing this avian-borne illness, often treated with tetracycline.

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Area of Science:

  • Infectious Diseases
  • Zoonotic Diseases
  • Public Health

Background:

  • Psittacosis, a pneumonia caused by Chlamydia psittaci, is reported infrequently, with 100-200 annual cases.
  • Parrots and other psittacine birds are primary reservoirs, with infections linked to pet birds and pet stores.
  • Domestic breeder flocks are now also infected, shifting the source from primarily imported birds.

Purpose of the Study:

  • To highlight the likely underdiagnosis of psittacosis.
  • To emphasize the importance of bird contact history in diagnosis.
  • To review diagnostic and therapeutic approaches for psittacosis.

Main Methods:

  • Clinical case review and analysis of diagnostic patterns.
  • Serological testing for diagnosis confirmation.

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  • Review of treatment protocols and outcomes.
  • Main Results:

    • Psittacosis is suspected when pneumonia is unresponsive to beta-lactam antibiotics.
    • A history of bird contact is a crucial diagnostic indicator.
    • Serological tests are typically used to confirm the diagnosis.

    Conclusions:

    • Psittacosis is likely more prevalent than reported cases suggest.
    • Early consideration of avian exposure is vital for timely diagnosis.
    • Tetracycline is the recommended three-week treatment to prevent relapse.