Travel blood clot prevention.
Understanding blood clot risks during air travel: A Mayo Clinic cardiologist shares prevention tips.
Anonymous
Long-distance air travel can triple a person's risk of developing a dangerous blood clot, according to WSAW. Dr. Robert McBain, a cardiologist at the Mayo Clinic, says the risk climbs sharply on flights longer than four hours. While serious clots from flying are rare, the consequences can be fatal.
The condition is known as Venous Thromboembolism, or VTE. It includes Deep Vein Thrombosis — clots in the leg — and Pulmonary Embolism, when a clot reaches the lungs. "While most people survive their pulmonary embolism, a very small percentage of them will have a fatality," Dr. McBain said, according to Hawaii News Now.
Three Body Changes That Trigger Clots Mid-Flight
Dr. McBain points to three specific conditions that cause clots to form. The first is slow blood flow. When you sit still for hours, blood pools in your legs. The second is damage to blood vessels or platelets, made worse by low cabin humidity and dehydration. The third is a "hypercoagulant state" — when blood becomes thicker than normal, according to Fox5 Vegas.
This trio of triggers is known in medicine as Virchow's Triad, a principle over a century old. Together, these three factors create the ideal environment for a clot to form. Dehydration, genetics, and certain medications — like hormone therapy — can push blood into that dangerous thicker state, according to WDTV.
Who Faces the Highest Risk at 30,000 Feet
Not every traveler carries the same risk. People over age 60, those with a body mass index above 30, pregnant women, and anyone who has had recent surgery face a higher chance of developing a clot, according to Fox Carolina. The risk starts to rise meaningfully once a person stays seated for more than four hours.
There is also a danger window after landing. A clot can develop or show symptoms anywhere from two to eight weeks after a long flight. That delay makes the condition especially tricky — many travelers feel fine on the plane but fall ill days later, according to WIBW.
Warning Signs Travelers Should Never Ignore
Dr. McBain warns that symptoms can be subtle or easy to dismiss. Signs of a leg clot include swelling, redness, and pain in one leg. A clot that reaches the lungs can cause shortness of breath, chest pain, or a rapid heartbeat. He says the silence of symptoms is what makes VTE so dangerous, according to WITN.
A Pulmonary Embolism is a medical emergency. If a clot blocks blood flow to the lungs, the outcome can be fatal. The approximate rate of a symptomatic clot on flights over eight hours is 1 in 4,600 passengers — rare, but not impossible, according to WABI.
Simple Steps That Cut Your Clot Risk Significantly
Dr. McBain offers four clear steps to lower your risk. First, drink plenty of water before and during the flight. Dehydration thickens the blood. Second, flex your ankles every 30 minutes. Third, get up and walk the aisle at least once per hour, according to 1011 Now.
Fourth, wear graduated compression stockings. These socks apply gentle pressure to the legs to keep blood moving upward toward the heart. High-risk travelers should talk to their doctor before flying. A doctor may recommend low-dose aspirin or a prescription anticoagulant for added protection, according to My Suncoast.
Sentiment
NeutralNEGATIVENEUTRALPOSITIVE
Publishers
19
Articles
18
Reach
19
A
AnonymousAuthor
