Does cabin pressure affect blood clots?


Does cabin pressure affect blood clots? Just as water doesn't flow easily through a kinked-up garden hose, blood can't flow as well through a vein that has a kink. On top of that, changes in air pressure inside the airplane cabin cut down the amount of oxygen you breathe in. Low oxygen in your blood can also make blood clots more likely to form.


Can a 4 hour flight cause blood clots?

However, anyone traveling more than four hours, whether by air, car, bus, or train, can be at risk for blood clots.


Can I fly while on blood thinners?

Take your medications as prescribed “If your doctor has not recommended that you take aspirin daily, it's not suggested that you take it when you travel to prevent blood clots,” Coogan said. “On the other hand, if you do take prescribed blood thinners, you should feel safe traveling.”


How do you prevent blood clots when flying?

Prevent Blood Clots During Travel
  1. Stand up or walk occasionally. ...
  2. Exercise your calf muscles and stretch your legs while you're sitting. ...
  3. Talk to your doctor about wearing compression stockings or taking medicine before departure if you have additional risk factors for blood clots.


How often do people get blood clots on long flights?

Blood clots affect about 1-2 in 1,000 U.S. adults per year, and the risk may double or triple after a flight that's 4+ hours. One study estimates that 1 in 4,600 travelers will have a blood clot within 4 weeks of a long flight.


Does flight altitude affect blood clots?

It has been well recognized that a hypercoagulable state exists when a person is exposed to high altitude environment. This may manifest as early thromboembolic episodes, which may result in deep vein thrombosis (DVT) or acute pulmonary embolism (PE), which is a potentially fatal condition.