A research journal recently reviewed the use of balloon pulmonary angioplasty (BPA), a new option for people with inoperable chronic thromboembolic pulmonary arterial hypertension.

Although the method has not been widely used due to fears and evidence that it can in some cases cause death, studies conducted in 2001 indicated that it may be a promising, reliable technique. Recent research out of Japan and Norway are supporting these claims, although researchers admit that further research is still needed.

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