Lung abscess causes: Difference between revisions
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*Parasites: [[Entamoeba histolytica]] | *Parasites: [[Entamoeba histolytica]] | ||
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Revision as of 04:10, 7 March 2016
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Lung abscess Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Lung abscess causes On the Web |
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American Roentgen Ray Society Images of Lung abscess causes |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Causes
Life Threatening Causes
Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated.
Common Causes
Causes by Organ System
| Cardiovascular | No underlying causes |
| Chemical/Poisoning | No underlying causes |
| Dental | No underlying causes |
| Dermatologic | No underlying causes |
| Drug Side Effect | No underlying causes |
| Ear Nose Throat | No underlying causes |
| Endocrine | No underlying causes |
| Environmental | No underlying causes |
| Gastroenterologic | No underlying causes |
| Genetic | No underlying causes |
| Hematologic | No underlying causes |
| Iatrogenic | No underlying causes |
| Infectious Disease | No underlying causes |
| Musculoskeletal/Orthopedic | No underlying causes |
| Neurologic | No underlying causes |
| Nutritional/Metabolic | No underlying causes |
| Obstetric/Gynecologic | No underlying causes |
| Oncologic | No underlying causes |
| Ophthalmologic | No underlying causes |
| Overdose/Toxicity | No underlying causes |
| Psychiatric | No underlying causes |
| Pulmonary | No underlying causes |
| Renal/Electrolyte | No underlying causes |
| Rheumatology/Immunology/Allergy | No underlying causes |
| Sexual | No underlying causes |
| Trauma | No underlying causes |
| Urologic | No underlying causes |
| Miscellaneous | No underlying causes |
Causes in Alphabetical Order
Conditions contributing to lung abscess
- Aspiration of oropharyngeal or gastric secretion
- Septic emboli
- Necrotizing pneumonia
- Vasculitis: Wegener's granulomatosis
- Necrotizing tumors: 8% to 18% are due to neoplasms across all age groups, higher in older people; primary squamous carcinoma of the lung is the commonest.
Organisms
In the post-antibiotic era pattern of frequency is changing. In older studies anerobes were found in upto 90% cases but they are much less frequent now[1].
- Anaerobic bacteria: Peptostreptococcus, Bacteroides, Fusobacterium species,
- Microaerophilic streptococcus : Streptococcus milleri
- Aerobic bacteria: Staphylococcus, Klebsiella, Haemophilus, Pseudomonas,Nocardia, Escheria coli, Streptococcus, Mycobacteria[2]
- Fungi: Candida, Aspergillus
- Parasites: Entamoeba histolytica
Reference
- ↑ Bartlett JG (2005). "The role of anaerobic bacteria in lung abscess". Clin. Infect. Dis. 40 (7): 923–5. doi:10.1086/428586. PMID 15824980.
- ↑ Hirshberg B, Sklair-Levi M, Nir-Paz R, Ben-Sira L, Krivoruk V, Kramer MR (1999). "Factors predicting mortality of patients with lung abscess". Chest. 115 (3): 746–50. PMID 10084487.