abscess Flashcards
what does an abscess look like on x ray ?
air fluid level
bronchopulmonary fistula
what is the commonest cause of abscess formation ?
aspiration pneumonia
what are the causes of aspiration pneumonia ?
dental and periodontal infections
cerebrovascular stroke
alcohol
frequent vomiting
what kind of pneumonia is associated withh inhalation pneumonia ?
necrotizing pneumonia
what type of bacteria are associated with abscess formation ?
anaerobic bacteria
what is the clinical presentation of lung abscess ?
early onn presents with pneumonia
later on presents with clubbing and weight loss
what are the antibiotics used for lung abscess ?
clindamycin
meropenem
when is a lobectomy indicated ?
if the abscess is larrger than 6 cms
if the symptoms persist beyond 12 weeks
failed medical treatment
suspect mallignancy
when should percutaneous drainagee be done ?
as a second line treatment if medical treatment doeesnt work
what are the complications associated with percutaneous drainage ?
bleeding
empyema
bronchopleural fistula
when does colonisation cause the formation of a lung abscess ?
in the presence of pre existing lung disease:
bronchieactsis
cystic fibrosis
what are the different transmission routes associated with lung abscess formation ?
aspiration
inhalation
colonization
blood spread
what conditions are associated with blood spread that may cause lung abscess ?
IV drug addiction
IV cannula
hemodialysis
UTI
what kind of bacteria are associated with necrotizing pneumonia ?
aerobic bacteria
