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==Overview==
==Overview==
'''Psittacosis''' [[zoonosis|zoonotic]] [[infectious diseases|infectious disease]] caused by a [[bacterium]] called ''[[Chlamydophila psittaci]]'' (formerly ''[[Chlamydia psittaci]]'') and contracted not only from parrots, such as macaws, cockatiels and budgerigars, but also from pigeons, sparrows, ducks, hens, sea gulls and many other species of bird. The incidence of infection in canaries and finches is believed to be lower than in psittacine birds.
'''Psittacosis''' [[zoonosis|zoonotic]] [[infectious diseases|infectious disease]] caused by a [[bacterium]] called ''[[Chlamydophila psittaci]]'' (formerly ''[[Chlamydia psittaci]]'') and contracted not only from parrots, such as macaws, cockatiels and budgerigars, but also from pigeons, sparrows, ducks, hens, sea gulls and many other species of bird. The incidence of infection in canaries and finches is believed to be lower than in psittacine birds.
As a systemic zoonotic infection with protean clinical features, the major risk factor is exposure to birds. Hence, bird owners, veterinarians, those involved with breeding and selling birds, and commercial poultry processors are most at risk. Patients typically present with 1 week of fevers, headache, myalgias, and a nonproductive cough. Although pneumonia is the most common manifestation, all organ systems can be involved. Serology remains the mainstay of diagnosis; however, polymerase chain reaction techniques offer a rapid and specific alternative. Doxycycline is the treatment of choice.


==Historical perspective==
==Historical perspective==

Revision as of 13:16, 27 June 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Psittacosis zoonotic infectious disease caused by a bacterium called Chlamydophila psittaci (formerly Chlamydia psittaci) and contracted not only from parrots, such as macaws, cockatiels and budgerigars, but also from pigeons, sparrows, ducks, hens, sea gulls and many other species of bird. The incidence of infection in canaries and finches is believed to be lower than in psittacine birds. As a systemic zoonotic infection with protean clinical features, the major risk factor is exposure to birds. Hence, bird owners, veterinarians, those involved with breeding and selling birds, and commercial poultry processors are most at risk. Patients typically present with 1 week of fevers, headache, myalgias, and a nonproductive cough. Although pneumonia is the most common manifestation, all organ systems can be involved. Serology remains the mainstay of diagnosis; however, polymerase chain reaction techniques offer a rapid and specific alternative. Doxycycline is the treatment of choice.

Historical perspective

Classification

Pathophysiology

Causes

Differential diagnosis

Epidemiology and demographics

Risk factors

Screening

Natural history, complications and prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

Chest X Ray

MRI

Echocardiography or ultrasound

Other imaging findings

Other diagnostic studies

Treatment

Medical therapy

Surgery

Primary prevention

Secondary prevention

References


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