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. 2024 Apr 22;17:399–409. doi: 10.2147/JAA.S454951

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© 2024 Foo et al.

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Graphical illustration of ventilation maps at various timepoints from a representative patient. A decrease in ventilation heterogeneity is apparent visually by more regions nearing average ventilation (green and yellow), rather than interspersed regions of high (red) and low (blue) ventilation. Note the improvement in ventilation heterogeneity of the left lung between V2 and V1, and of the right lung between V3 and V2. V1, baseline; V2, 4-week post treatment of left lung; V3, 12-month post treatment of right lung.