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Published on: March 24, 2014
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Diffuse alveolar hemorrhage: a retrospective study from a tertiary care center
Sanchit Mohan1, Rohit Kumar1, Pranav Ish1
1Department of Pulmonary Medicine, VMMC & Safdarjung Hospital, New Delhi.
Summary
Diffuse alveolar hemorrhage (DAH) is a serious lung condition. Identifying the cause is key, as most cases in this study had immunologic origins, and early diagnosis improved patient outcomes.
Area of Science:
- Pulmonology
- Internal Medicine
- Pathophysiology
Background:
- Diffuse alveolar hemorrhage (DAH) presents as alveolar bleeding, anemia, and respiratory failure.
- DAH arises from diverse immunologic and non-immunologic conditions.
- Understanding DAH etiology is critical for appropriate treatment strategies.
Purpose of the Study:
- To retrospectively analyze the etiologies of DAH.
- To determine the time to diagnosis from symptom onset.
- To evaluate management strategies and outcomes of DAH patients.
Main Methods:
- Retrospective observational study design.
- Analysis of 8 DAH patients over 12 months at a tertiary care center.
- Review of patient data for etiologies, diagnosis timelines, management, and outcomes.
Main Results:
- Eight distinct DAH etiologies were identified among 8 patients.
- Immunologic causes accounted for 75% of DAH cases.
- The mean time to diagnosis was 4.25 months; 75% of patients improved, while 25% died.
Conclusions:
- Differentiating DAH etiologies is essential for effective management.
- Prompt diagnosis of DAH is crucial for improving patient outcomes.
- Further research into specific DAH causes and treatments is warranted.

