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Chlamydophila Pneumoniae

Fozia Akhtar Ali, MD, FAAFP Reviewed 06/2022
 


BASICS

DESCRIPTION

  • Chlamydophila pneumoniae (also known as Chlamydia pneumoniae) is an obligate intracellular gram-negative bacterium causing atypical pneumonia in adolescents and young adults. Other r...

DIAGNOSIS

HISTORY

  • Chlamydophila pneumoniae is similar to other forms of CAP characterized by fever, cough, and shortness of breath.

  • Illness varies in clinical severity from mild, self-limited URI to ful...

TREATMENT

MEDICATION

Treatment of undifferentiated CAP should be empiric and dictated by local microbial patterns and antibiotic resistance patterns; specific coverage of C. pneumoniae in patients with...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

  • Monitor patients weekly until well.

  • Follow-up CXR can document resolution.

  • Reinfection is possible.

PROGNOSIS

  • Pneumonia is more likely to be life-th...

REFERENCES

1
Greub  G. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Chlamydiae. Minutes of the closed meeting, 31 March 2015, New Orlean...

ADDITIONAL READING

  • Haggerty CL, Panum I, Uldum SA, et al. Chlamydia trachomatis infection may increase the risk of preeclampsia. Pregnancy Hypertens. 2013;3(1):28–33. doi: 10.1016...

CODES

ICD10

J16.0 Chlamydial pneumonia 

SNOMED

233609002 Chlamydial pneumonia 

CLINICAL PEARLS

  • Consider C. pneumoniae in well-appearing young patients presenting with CAP.

  • Culture is the gold standard for diagnosis of C. pneumoniae. Serodiagnosis is used for acute infection.

  • Tetra...

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