Article

Haemophilus pittmaniae respiratory infection in a patient with siderosis: a case report.

Laboratoire de Microbiologie, Institut Hospitalier Universitaire POLMIT, Assistance Publique-Hopitaux de Marseille, Marseille, France. .
Journal of Medical Case Reports 04/2012; 6(1):120. DOI:10.1186/1752-1947-6-120 pp.120
Source: PubMed

ABSTRACT Haemophilus pittmaniae was described in 2005 as a new species distantly related to Haemophilus parainfluenzae. This member of the human saliva microbiota has also been further isolated from various body fluids without formal description of the patients.
We report the case of H. pittmaniae isolate made from a sputum specimen collected from a 58-year-old Caucasian man with a massive fibrotic form of siderosis who was awaiting lung transplantation. Identification of the isolate was ascertained by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and 16S rRNA gene sequencing. H. pittmaniae was considered to be responsible for the worsening of the patient's chronic respiratory failure and was successfully treated with oral amoxicillin.
H. pittmaniae should be regarded as a new pathogen responsible for respiratory tract infection in patients with chronic lung diseases.

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Keywords

16S rRNA gene sequencing
 
58-year-old Caucasian man
 
chronic lung diseases
 
H. pittmaniae
 
human saliva microbiota
 
massive fibrotic form
 
matrix-assisted laser desorption/ionization time-of-flight mass spectrometry
 
new species distantly
 
patient's chronic respiratory failure
 
respiratory tract infection
 
sputum specimen
 
various body fluids