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Published on: May 26, 2021
Pulmonary hypertension associated with bone marrow transplantation
Hajime Nakaoka1, Yasushi Sakata1, Masaki Yamamoto2
1Department of Cardiovascular Medicine, Osaka University Graduate School of Medicine, Osaka, Japan.
Bone marrow transplantation (BMT) can lead to rare complications like pulmonary arterial hypertension (PAH). This case study shows an adult patient with PAH post-BMT who significantly improved with medical treatment.
Area of Science:
- Hematology
- Pulmonology
- Oncology
Background:
- Bone marrow transplantation (BMT) is a vital treatment for hematologic malignancies.
- Conditioning regimens for BMT involve high-dose chemotherapy and radiation, posing risks of serious complications.
- Pulmonary hypertension is a rare but severe complication following BMT, with poorly understood mechanisms.
Observation:
- A 35-year-old female with acute myeloid leukemia (AML) developed pulmonary hypertension post-BMT.
- The patient presented with severe dyspnea, a hallmark symptom of pulmonary hypertension.
- Diagnosis was confirmed as pulmonary arterial hypertension (PAH) directly related to BMT.
Findings:
- The patient's severe dyspnea markedly improved with oxygen therapy.
- Pharmacological treatment with warfarin and beraprost sodium was initiated.
- This represents the first reported adult case of BMT-associated PAH showing significant improvement with medical intervention.
Implications:
- Pulmonary arterial hypertension (PAH) should be considered a potential complication in patients undergoing BMT.
- Early recognition of clinical symptoms and physical findings suggestive of PAH is crucial.
- Effective medical management strategies can lead to improved outcomes for BMT-related PAH.
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