[Possible daptomycin-induced organizing pneumonia]

Turid Snekloth Søndergaard1, Helga Schumacher, Kirsten Norup

  • 1Klinisk Mikrobiologisk Afdeling, Regionshospitalet Herning, 7400 Herning, Denmark. turids@mail.tele.dk

Ugeskrift for Laeger
|August 11, 2010
PubMed

Insights

A rare case of drug-induced organizing pneumonia occurred in a patient treated with daptomycin for aortic valve endocarditis. Symptoms resolved after discontinuing daptomycin, suggesting a link between the antibiotic and the lung condition.

Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Pharmacology

Background:

  • A 75-year-old male presented with acute infective aortic valve endocarditis caused by Enterococcus faecalis.
  • The patient was treated with intravenous daptomycin and ceftriaxone.
  • A potential secondary infection with a ceftriaxone-resistant organism, such as Legionella, was considered.

Observation:

  • The patient developed organizing pneumonia during daptomycin therapy.
  • Symptoms of pneumonia emerged following the initiation of antibiotic treatment.
  • No Legionella antigen was detected in urine samples.

Findings:

  • Discontinuation of daptomycin led to the resolution of organizing pneumonia symptoms.
  • The clinical presentation suggests a possible drug-induced organizing pneumonia.
  • Ceftriaxone and subsequent ciprofloxacin/rifampicin treatments did not appear to be the primary cause.

Implications:

  • This case highlights a rare adverse reaction to daptomycin, specifically organizing pneumonia.
  • Clinicians should consider drug-induced lung injury in patients presenting with new respiratory symptoms during daptomycin treatment.
  • Further investigation into the mechanisms of daptomycin-induced pulmonary toxicity may be warranted.

Related Concept Videos

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 II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
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...
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...
Diphtheria01:28

Diphtheria

Diphtheria is an acute, toxin-mediated infectious disease that primarily affects the upper respiratory tract. It is caused by Corynebacterium diphtheriae, a Gram-positive, pleomorphic rod that lacks spore-forming capability and exhibits a characteristic club-shaped morphology under microscopic examination. While C. diphtheriae can asymptomatically colonize mucosal surfaces, clinical disease manifests only when the bacterial strain is lysogenized by a specific β-corynephage. This phage...
Pneumonia IV: Management01:28

Pneumonia IV: Management

The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include: