Chlamydia psittaci. An uncommon cause of community-acquired pneumonia

J T Kirchner1, S A Boyarsky

  • 1Department of Family and Community Medicine, Lancaster General Hospital, PA.

Archives of Family Medicine
|September 1, 1993
PubMed

Insights

Chlamydia psittaci causes uncommon community-acquired pneumonia. Early diagnosis and treatment of psittacosis are crucial for preventing severe illness and potential fatalities.

Area of Science:

  • Infectious Diseases
  • Pulmonology
  • Microbiology

Background:

  • Chlamydia psittaci is an infrequent cause of community-acquired pneumonia.
  • Psittacosis, a disease caused by C. psittaci, has low reported case numbers but is likely underdiagnosed.
  • Untreated psittacosis can lead to severe illness and death.

Observation:

  • A case study of a 42-year-old man with C. psittaci infection is presented.
  • The patient presented with multilobar pneumonia, respiratory compromise, hepatic involvement, and mild anemia.
  • Systemic infection with C. psittaci was identified as the cause.

Findings:

  • The patient received appropriate antibiotic therapy and respiratory support.
  • A good clinical outcome was achieved following treatment.
  • Diagnosis was confirmed through serologic testing.

Implications:

  • Psittacosis diagnosis requires serologic verification.
  • Confirmed cases must be reported to health departments.
  • Further investigation by the Centers for Disease Control and Prevention may be warranted for reported cases.

Related Concept Videos

Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
1.9K
Chronic Pharyngitis01:23

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
16.6K
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
1.4K
Bacterial Phylum Chlamydiae01:29

Bacterial Phylum Chlamydiae

The phylum Chlamydiae or Chlamydiota is composed of a single order, Chlamydiales. This phylum consists entirely of obligate intracellular parasites that infect eukaryotic hosts. While human pathogens within this group have been studied extensively, the phylum encompasses many species capable of interacting with various eukaryotic organisms. Members of Chlamydiae are typically small cocci, approximately 0.5 μm in diameter, and exhibit a distinctive developmental cycle. As is characteristic...
832
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease...
78
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
20