Air travel

Researchers are testing whether knee-high graduated compression stockings reduce swelling of the popliteal vein, a leg vein behind the knee, during long-haul economy-class flights to Bogota. The trial enrolls 160 adults who have had aesthetic surgery and are flying for at least f…

Researchers are studying travelers who booked long flights to Bogota and had aesthetic surgery planned after arrival. Within economy and premium cabins, participants are assigned at random to wear knee-high compression stockings or none. Ultrasound scans of the leg veins are take…

Researchers are comparing how much the popliteal vein, a major vein behind the knee, widens during long-haul flights in premium versus economy cabins. The study enrolls 200 adults flying to Bogota for aesthetic surgery. Ultrasound measurements are taken before departure and again…

This study tracks leg vein size in adults before and after a commercial flight of at least 4 hours to Bogota. Researchers use ultrasound to measure the popliteal vein in the leg within 24 hours before departure, within 2 hours after arrival, and again at 24 and 48 hours later. Th…