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This research compares lung perfusion methods in chronic thromboembolic pulmonary hypertension, suggesting a more efficient diagnostic approach.
XPI is a non-contrast method to evaluate and monitor pulmonary perfusion, producing maps with excellent agreement to pulmonary angiography, which is confirmatory for CTEPH. This technique could improve clinical efficiency as a screening or diagnostic test to augment clinical pulmonary function assessment.
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Smith et al. (2026) studied this question.
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