Related Experiment Video

Updated: Aug 3, 2026

Methods for Detecting Cytotoxic Amyloids Following Infection of Pulmonary Endothelial Cells by Pseudomonas aeruginosa
07:27

Methods for Detecting Cytotoxic Amyloids Following Infection of Pulmonary Endothelial Cells by Pseudomonas aeruginosa

Published on: July 12, 2018

Hot tub-associated necrotizing pneumonia due to Pseudomonas aeruginosa

Christopher J Crnich1, Barbara Gordon, David Andes

  • 1Department of Medicine and Section of Infectious Diseases, University of Wisconsin Hospital and Clinics, Madison, WI 53792, USA.

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|January 23, 2003
PubMed

Insights

A severe lung infection was caused by Pseudomonas aeruginosa found in a hot tub. Proper hot tub maintenance is crucial to prevent dangerous bacterial overgrowth and potential infections.

Area of Science:

  • Medical Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Community-acquired pneumonia can arise from various pathogens.
  • Pseudomonas aeruginosa is an opportunistic pathogen known for causing infections in healthcare settings and sometimes in the community.
  • Hot tubs can harbor bacteria if not properly maintained.

Observation:

  • A patient presented with severe necrotizing pneumonia.
  • The causative agent was identified as Pseudomonas aeruginosa.
  • The same strain of P. aeruginosa was isolated from the patient's sputum and their hot tub filter.

Findings:

  • This case links severe necrotizing pneumonia directly to Pseudomonas aeruginosa exposure from a recreational hot tub.
  • Identical bacterial strains from clinical and environmental sources confirm the hot tub as the likely source of infection.
  • Highlights the potential for P. aeruginosa in inadequately maintained hot tubs to cause severe respiratory illness.

Implications:

  • Strict adherence to Centers for Disease Control and Prevention (CDC) guidelines for hot tub maintenance is essential.
  • Maintaining free chlorine levels between 1-3 mg/L and pH between 7.2-7.8 can prevent P. aeruginosa proliferation.
  • This case underscores the importance of considering environmental sources in community-acquired infections and emphasizes public health awareness regarding recreational water safety.

More Related Videos

A Delayed Inoculation Model of Chronic Pseudomonas aeruginosa Wound Infection06:56

A Delayed Inoculation Model of Chronic Pseudomonas aeruginosa Wound Infection

Published on: February 20, 2020

Modeling Persistent Pseudomonas aeruginosa Infection in Wounded Zebrafish Larvae06:04

Modeling Persistent Pseudomonas aeruginosa Infection in Wounded Zebrafish Larvae

Published on: June 13, 2025

Related Concept Videos

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies. Common...
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...
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
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 include...
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...