Pulmonary hypertensive disorders |
Counsel patients against high-altitude travel |
If high-altitude travel cannot be avoided, counsel patients about the risks, symptoms and signs of HAPE |
Administer supplemental oxygen for trips above 2000 m even in patients not on supplemental oxygen at baseline |
For patients not on pre-existing medical therapy, prophylax with nifedipine SR 20 mg b.i.d. |
Thromboembolic disease |
Continue any pre-existing anticoagulation regimen during high-altitude sojourn with close follow-up of INR before and after trip |
Do not initiate new anticoagulation prescription in patients not on a pre-existing regimen |
Discontinue oral contraceptives in females with pre-existing coagulopathy |
Avoid immobility and dehydration |
HAPE: high-altitude pulmonary oedema; INR: international normalised ratio.