March 20, 2012, 5:45 p.m. Published in Magazine Issue: Vol.: 05 No. -17 Mar. 16-2012 (Chaitra 03, 2068)<BR>

When people travel to high altitude, they may suffer from not only altitude sickness but also problems like frostbite.  Many Nepali people have to travel to high altitude for their livelihood. So it is important to know how to avoid these preventable problems like altitude sickness and frostbite. Many may already know about altitude sickness. Perhaps fewer people know about the dangers of hypothermia ( cold temperatures) which may lead to frostbite.  It is incredible that many sojourners to high altitude are not dressed with protective clothing and proper shoes when traveling to high altitude.  It may seem obvious that you have to do this, but some are totally unprepared for high altitude travel and suffer the consequences.Often this may not be due to just lack of funds. Lack of adequate knowledge and sheer carelessness may also be to blame.

Living in the relative warmth of Kathmandu, it may be difficult for many readers to consider why frostbite is an important topic. One of the most important tragedy that happens regularly every trekking and climbing season in Nepal is frostbite amongst porters. Porters, who accompany Western sojourners to the mountains, do this to eke out an existence. So, when they suffer from severe frostbite and need to have their toes or fingers amputated, their ability to earn a livelihood will be severely compromised.

Unfortunately the treatment of frostbite has not changed  since Napoleon’s army in 1812 tried to invade Russia in winter but failed miserably. Hypothermia ( low body temperature) and subsequent frostbite amongst the army personnel was an important reason for Napoleon’s defeat. Essentially there is no specific, evidence-based drug  therapy for the treatment of frostbite. Hence for all practical purposes the prevention of frostbite is of paramount importance. One of the things that Baron Larrey, Napoleon’s surgeon, learnt during the march into Russia was that when soldiers heated their hands and feet at night on open fires and next day continued their march in subzero temperatures, this freeze-thaw-refreeze cycle had the most deleterious effect on the frost-bitten tissues. So once warmed after freezing, the hands or feet should not be frozen again.

Although many  trekking companies now provide shoes for porters ( at one time most porters trekked up  the cold Himalayan regions wearing slippers), often the shoes are ill- fitting which can predispose to frostbite by constricting blood flow to the feet while walking in cold temperatures. Often the socks get wet, and this too will predispose the feet to frostbite. It is important to have shoes that fit properly and have available extra pair of socks to replace wet ones. Some porters use extra socks to try to fit their foot into big shoes which can be problematic as the trek progresses. Inadequate clothing or shelter will also lead to hypothermia and potentially lead to frostbite as the blood is directed from the extremities to the main organs like the heart and the brain in hypothermic situations; so warm clothing, proper gloves and  sleeping bags are important especially when the trek ascends to > 4000 m passes. Adequate intake of fluids and food will also clearly help prevent frostbite.

Crucially trekkers and climbers using porters to sojourn in the Himalayas need to take good care of their porters and vice versa. This “buddy system” is a unique feature of Himalayan trekking\climbing.                     


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