Ascent to high altitude increases blood pressure.
Blood clots that develop may be due to low atmospheric pressure. Some DVTs resolve on their own without treatment, but it is also possible the clot could dislodge from the vein and enter the lungs, causing a pulmonary embolism. Pulmonary embolism can be fatal if not identified and treated in time. Approximately 1 to 2% of those with DVT die from related complications.
Here is your answer folks, travelling by plane is not very safe for your body, can cause blood clots, and can really mess you up in general. Take a train or bus or something. Use mass transit, without climbing up 30000 feet.
While there are currently no prescription treatments for preventing DVT in healthy adults, some natural substances may help reduce the risk. Nattokinase, an enzyme derived from fermented soybeans, is a potent compound than breaks down blood clots. A recent study found that 150 mg of nattokinase was significantly more effective than placebo in reducing the risk of developing DVT in high-risk adults taking long-haul flights. Another enzyme, called lumbrokinase, may also be effective, but specific studies on long-distance travel have not been performed. Walking around frequently during long flights may also be beneficial. Some physicians recommend taking high amounts of vitamin E and fish oil to prevent blood clotting.
Prolonged Air Travel and Blood Clotting Disorder: Long airline flights increase the risk of developing a potentially fatal blood clot in the deep veins of the legs, according to a new study in British Medical Journal (2003;327:1072). A blood clot in the legs is more than four times more likely to develop within two weeks of arriving from a long-haul flight than it is in someone who has not flown at all.
From PubMed: The effects of altitude on blood pressure are variable. There is initial hypertension, followed by gradual normalization. After years of residence at high altitude blood pressure may actually be lower than that observed among residents at sea level.
So I am ashamed to talk about it to anyone in person, so the best place to start is to make an anonymous (sic) post on the internet.
Well, I flew to Utah, from 0 feet above sea level, to 4500 feet. I noticed a difference in how I got an erection. It was softer in Utah. So I guess, bluntly, that we should make a bumper sticker saying "It's harder to get hard in Utah" or something. Point being, after five days of softy, coming back to sea level and it's just hardy.
Put the peices together folks, blood pressure is definitely affected by altitude, fast climbing in altitude and descent, and living in different altitudes for days then going back is not normal for us. We need to try and evolve so we can adjust to those quick changes in climate, but we can't. Becuase we aren't flying all the time (mayve we are, if you work on an airline), but our bodies have a real hard time with that adjustment.
The aim of this study was to explore, in healthy children, the arterial blood pressure response to a 3-week stay at high altitude (4200 m). An auscultatory automatic ambulatory pressuremeter was used to avoid undue environmental influence on the measurement. The blood pressure was monitored three times in a group of ten boys, aged 10.5 (CI 0.9 years): at sea level (control values), at an altitude of 2100 m after at least 24 h of acclimatization and after at least 24 h at 4200 m altitude. Each period of monitoring extended over 24 h with 10-min intervals between successive measurements. Arterial blood pressure was evaluated separately for the night and day periods. Nocturnal recordings revealed an increase with altitude in systolic as well as in the diastolic blood pressure. Because of the technique used to gather data, this is thought to have represented an independent effect of altitude without interference from the medical environment or diurnal activity.
Ascent to high altitude increases blood pressure.