CT:VQ Adds Regional Ventilation-Perfusion Maps to Non-Contrast Chest CT

A new CT-based software tool, CT:VQ, generates regional ventilation and perfusion maps from paired inspiratory-expiratory non-contrast chest CT, adding functional context without contrast or radiotracers.

• CT:VQ is a Software-as-a-Service tool that uses paired inspiratory and expiratory non-contrast chest CT scans to produce quantitative regional ventilation and perfusion maps for radiology workflow.
• It may help reconcile symptoms with structural findings in patients with dyspnea, COPD, emphysema, interstitial lung disease, or pulmonary vascular questions.
• The approach is framed as additive to existing pulmonary function tests and nuclear medicine V/Q imaging, not as a replacement.

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