Background: Exogenous lipoid pneumonia(ELP) is a rare disease
caused by the inhalation of oily materials in the alveoli with the
pathological characterization by the presence of laden-lipid macrophages
in the respiratory specimens. At present, the treatment norm for ELP has
not well defined, and so the aim of this study is to evaluate the effect
of bronchoalveolar lavage in combination with glucocorticoids on
children with ELP. Methods and Materials: We retrospectively
reviewed 17 children with a confirmed history of exogenous oily
materials aspiration, admitted to the First Affiliated Hospital of
Guangzhou Medical University from June 2012 to December 2021. Clinical
features, blood investigations, tomographic evaluations, therapeutic
bronchoalveolar lavage and glucocorticoids use were carried out at the
beginning of therapy and throughout a follow-up period.
Results: The included children are the median age of 2 years.
Fever, dypnea and tachypnea were the most common symptoms. The most
common radiological features were airspace consolidations(15, 93.75%).
Chest CT scans showed areas of consolidation with air bronchogram(15,
93.75%), Poorly defined centrilobular nodules(13, 81.25%), areas of
ground-glass attenuation(11, 68.75%), and ‘crazy-paving’ pattern(6,
37.5%) in the both lower, right middle lung lobes. Neutrophil
percentage of peripheral blood and bronchoalveolar lavage fluid
exhibited a significantly higher than the normal range. After treatment
with multiple bronchoalveolar lavages and local administration of
budesonide during the hospital stay, taken by oral
prednisolone(1~2mg/kg) after discharge,all of children
became asymptomatic and presented normal radiological imagings in the
follow-up period. Conclusion:The most frequently findings in
the CT scan of ELP were consolidations and ground-glass attenuation in
the both lower and right middle lung lobes.Multiple bronchoalveolar
lavages in combination with oral prednisolone for children who had a
confirmed history of exogenous oily substances ingestion was an
efficient and safe for the clearance of oily materials from the lung and
the prevention of fibrosis. This strategy contributed to reducing the
damage of ELP in children patients.