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Correspondence
How should we best determine the need for inflight oxygen in patients with pulmonary arterial hypertension?
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The British Thoracic Society has recently updated the air travel recommendations suggesting that patients with precapillary pulmonary hypertension (PCPH) in functional classes (FCs) 3 and 4 should have inflight oxygen.1 This replaces the 2004 recommendations which relied upon baseline oxygen saturation (SpO2) to determine the need for oxygen or to undergo a hypoxic challenge test (HCT). We compared the relative impact of the 2004 and 2011 guidelines on the proportion of PCPH patients who would be recommended inflight oxygen.
We have recently published the effect a HCT would have on …