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Infant pulmonary hemorrhage in a suburban home with water damage and mold (Stachybotrys atra)
S M Flappan1, J Portnoy, P Jones
1Department of Allergy, Asthma, and Immunology, Children's Mercy Hospital, Kansas City, Missouri, USA. Sflappan@cmh.edu
Abstract:
The American Academy of Pediatrics recently issued guidelines regarding the potential toxic effect of indoor molds. We now report another case of an infant with pulmonary hemorrhage whose residential environmental assessment revealed the presence of the toxigenic mold Stachybotrys atra. We used a questionnaire to identify environmental factors that could predispose the home to fungal contamination. We collected air samples from multiple locations in the home that we felt would reflect areas of relevant exposure. Surface samples were collected with a piece of transparent tape for semiquantitative measurement of spores present. We classified spores into their respective genera based on shape, size, and color. We also measured mycotoxin levels. Air sampling revealed significantly elevated total spore counts in the patient's bedroom and in the attic. Aspergillus/Penicillium species were predominant. Stachybotrys spores were found in the air sampled in the patient's bedroom, as well as from surfaces sampled in the patient's closet and the attic ceiling. Additionally, a small patch of Stachybotrys-contaminated area in the closet ceiling was sent for mycotoxin analysis. This material proved to be highly toxigenic. As the link between the presence of Stachybotrys in the home and pulmonary hemorrhage in infants increases, further efforts should be made to educate physicians, health care providers, and new parents about the potential toxic effects of this mold.
Insights
Indoor mold exposure, specifically Stachybotrys atra, is linked to infant pulmonary hemorrhage. Environmental assessments found this toxic mold in an affected infant's home, highlighting risks for parents.
Area of Science:
- Environmental Health
- Mycology
- Pediatric Medicine
Background:
- Recent guidelines from the American Academy of Pediatrics highlight concerns about indoor mold toxicity.
- Infant pulmonary hemorrhage is a serious condition with potential environmental triggers.
Observation:
- A case study investigated an infant diagnosed with pulmonary hemorrhage.
- Residential environmental assessment was conducted to identify potential home-based fungal contaminants.
Findings:
- The home environment assessment revealed the presence of the toxigenic mold Stachybotrys atra.
- Air and surface sampling detected elevated spore counts, including Stachybotrys, in the infant's bedroom, closet, and attic.
- Mycotoxin analysis confirmed the high toxicity of the Stachybotrys-contaminated material found in the closet ceiling.
Implications:
- The findings reinforce the association between indoor Stachybotrys atra exposure and infant pulmonary hemorrhage.
- Increased awareness and education for healthcare providers and parents regarding the toxic effects of indoor molds are crucial.
- Further research into mold-related health risks in pediatric populations is warranted.