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Altitude sickness – Homeopathy Treatment and Homeopathic Remedies

Altitude sickness, also known as acute mountain sickness (AMS), altitude illness, or soroche, is a pathological condition that is caused by acute exposure to low air pressure (usually outdoors at high altitudes). It commonly occurs above 2,400 metres (approximately 8,000 feet).[1][2] Acute mountain sickness can progress to high altitude pulmonary edema (HAPE) or high altitude cerebral edema (HACE).[1][3]

The cause of altitude sickness is still not understood.[1][4] It occurs in low atmospheric pressure conditions but not necessarily in low oxygen conditions at sea level pressure. Although treatable to some extent by the administration of oxygen, most of the symptoms do not appear to be caused by low oxygen, but rather by the low CO2 levels causing a rise in blood pH, alkalosis. The percentage of oxygen in air remains essentially constant with altitude at 21% up until 70,000 feet (21,330 metres) but the air pressure (and therefore the number of oxygen molecules) drops as altitude increases – consequently, the available amount of oxygen to sustain mental and physical alertness decreases above 10,000 feet (3,050 metres) .[5][6] Altitude sickness usually does not affect persons traveling in aircraft because modern aircraft passenger compartments are pressurized at an air pressure equivlant to an altitude of 8,000 feet (2,440 metres).

A related condition, occurring only after prolonged exposure to high altitude, is chronic mountain sickness, also known as Monge’s disease.[7]

An unrelated condition, although often confused with altitude sickness, is dehydration, due to the higher rate of water vapor lost from the lungs at higher altitudes.

Introduction

High altitude or mountain sickness is defined when someone feels sick at high altitudes, such as in the mountains or any other altitude-related sicknesses. It is hard to determine who will be affected by altitude-sickness as there are no specific factors that compare with this susceptibility to altitude sickness. However, most people can climb up to 2500 meters (8000 feet) normally.

Generally, different people have different susceptibilities to altitude sickness. For some otherwise healthy people, Acute Mountain Sickness (AMS) can begin to appear at around 2000 meters (6,500 feet) above sea level, such as at many mountain ski resorts, equivalent to a pressure of 80 kPa. AMS is the most frequent type of altitude sickness encountered. Symptoms often manifest themselves 6-10 hours after ascent and generally subside in 1 to 2 days, but they occasionally develop into the more serious conditions. Symptoms include headache, fatigue, stomach illness, dizziness, and sleep disturbance. Exertion aggravates the symptoms.

High altitude pulmonary edema (HAPE) and cerebral edema (HACE) are the most ominous of these symptoms, while AMS, retinal hemorrhage, and peripheral edema are less severe forms of the disease. The rate of ascent, altitude attained, amount of physical activity at high altitude, as well as individual susceptibility, are contributing factors to the onset and severity of high-altitude illness.

Altitude sickness usually occurs following a rapid ascent and can usually be prevented by ascending slowly.[8] In most of these cases, the symptoms are temporary and usually abate as altitude acclimatisation occurs. However, in extreme cases, altitude sickness can be fatal.

The word “soroche” came from South America and originally meant “ore”, because of an old, incorrect belief that it was caused by toxic emanations of ores in the Andes mountains. [1]

Signs and symptoms of  Altitude sickness

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This sign near the peak of Mount Evans (elev. 14264 ft or 4,350 meters) in Colorado, USA, warns of altitude sickness symptoms.

Headache is a primary symptom used to diagnose altitude sickness, although headache is also a symptom of dehydration. A headache occurring at an altitude above 2,400 meters (8000 feet = 76 kPa), combined with any one or more of the following symptoms, can indicate altitude sickness:

  • Lack of appetite, nausea, or vomiting
  • Fatigue or weakness
  • Dizziness or light-headedness
  • Insomnia
  • Pins and needles
  • Shortness of breath upon exertion
  • Persistent rapid pulse
  • Drowsiness
  • General malaise
  • Peripheral edema (swelling of hands, feet, and face).

Symptoms that may indicate life-threatening altitude sickness include:

  • pulmonary edema (fluid in the lungs):
    • persistent dry cough
    • fever
    • shortness of breath even when resting
  • cerebral edema (swelling of the brain):
    • headache that does not respond to analgesics
    • unsteady gait
    • increased vomiting
    • gradual loss of consciousness.

Severe cases

The most serious symptoms of altitude sickness are due to edema (fluid accumulation in the tissues of the body). At very high altitude, humans can get either high altitude pulmonary edema (HAPE), or high altitude cerebral edema (HACE). The physiological cause of altitude-induced edema is not conclusively established. It is currently believed, however, that HACE is caused by local vasodilation of cerebral blood vessels in response to hypoxia, resulting in greater blood flow and, consequently, greater capillary pressures. On the other hand, HAPE may be due to general vasoconstriction in the pulmonary circulation (normally a response to regional ventilation-perfusion mismatches) which, with constant or increased cardiac output, also leads to increases in capillary pressures. For those suffering HACE, dexamethasone may provide temporary relief from symptoms in order to keep descending under their own power.

HAPE occurs in ~2% of those who are adjusting to altitudes of ~3000 m (10,000 feet = 70 kPa) or more. It can progress rapidly and is often fatal. Symptoms include fatigue, severe dyspnea at rest, and cough that is initially dry but may progress to produce pink, frothy sputum. Descent to lower altitudes alleviates the symptoms of HAPE.

HACE is a life threatening condition that can lead to coma or death. It occurs in about 1% of people adjusting to altitudes above ~2700 m (9,000 feet = 73 kPa). Symptoms include headache, fatigue, visual impairment, bladder dysfunction, bowel dysfunction, loss of coordination, paralysis on one side of the body, and confusion. Descent to lower altitudes may save those afflicted with HACE.

A person suffering from serious symptoms of altitude sickness has a relatively short period of time of useful consciousness in which corrective action can be taken. The following is a correlation of altitude to the amount of time that a person will have useful consciousness:

  • ~20,000 ft / 6,100 m = 5-12 minutes (peak of Mount McKinley or Mount Kilimanjaro)
  • ~25,000 ft / 7,620 m = 3-5 minutes;
  • ~29,000 ft / 8,840 m = 1-2 minutes; (peak of Mount Everest)
  • ~40,000 ft / 12,200 m = 9-15 seconds (represents the oxygen that was in a person’s system before the exposure)[9]

Prevention

Avoiding alcohol ingestion

As alcohol tends to dehydrate, avoidance in the first 24 hours at a higher altitude is optimal.

Strenous activity

People with recurrent AMS note that by avoiding strenuous activity such as skiing, hiking, etc in the first 24 hours at altitude reduces their problems.

Altitude acclimatization

Altitude acclimatisation is the process of adjusting to decreasing oxygen levels at higher elevations, in order to avoid altitude sickness. Once above approximately 3,000 meters (10,000 feet = 70 kPa), most climbers and high altitude trekkers follow the “golden rule” – climb high, sleep low.[10] For high altitude climbers, a typical acclimatization regime might be to stay a few days at a base camp, climb up to a higher camp (slowly), then return to base camp. A subsequent climb to the higher camp would then include an overnight stay. This process is then repeated a few times, each time extending the time spent at higher altitudes to let the body adjust to the oxygen level there, a process that involves the production of additional red blood cells. Once the climber has acclimatised to a given altitude, the process is repeated with camps placed at progressively higher elevations. The general rule of thumb is to not ascend more than 300 metres (1,000 feet) per day to sleep. That is, one can climb from 3,000 (10,000 feet = 70 kPa) to 4,500 metres (15,000 feet = 58 kPa) in one day, but one should then descend back to 3,300 metres (11,000 feet = 67.5 kPa) to sleep. This process cannot safely be rushed, and this explains why climbers need to spend days (or even weeks at times) acclimatising before attempting to climb a high peak. Simulated altitude equipment that produce hypoxic (reduced oxygen) air can be used to acclimate to altitude, reducing the total time required on the mountain itself.

Altitude acclimatization is necessary for some people who rapidly move from lower altitudes to more moderate altitudes, usually by aircraft and ground transportation over a few hours, such as from sea level to 7000 feet of many Colorado, USA mountain resorts. Stopping at an intermediate altitude overnight can reduce or eliminate a repeat episode of AMS.

Drugs

Acetazolamide may help some people to speed up the acclimatisation process when taken before arriving at altitude, and can treat mild cases of altitude sickness. A typical dose is 250mg twice daily starting the day before moving to altitude.

A single randomized controlled trial found that sumatriptan may help prevent altitude sickness.[11]

For centuries, indigenous cultures of the Altiplano, such as the Aymaras, have used coca leaves to treat mild altitude sickness.

Oxygen enrichment

In high-altitude conditions, oxygen enrichment can counteract the effects of altitude sickness, or hypoxia. A small amount of supplemental oxygen reduces the equivalent altitude in climate-controlled rooms. At 3,400 m (67 kPa), raising the oxygen concentration level by 5 percent via an oxygen concentrator and an existing ventilation system provides an effective altitude of 3,000 m (70 kPa), which is more tolerable for surface-dwellers.[12] The most effective source of supplemental oxygen at high altitude are oxygen concentrators that use vacuum swing absorption (VSA) technology. As opposed to generators that use pressure swing absorption (PSA), VSA technology does not suffer from performance degradation at increased altitude. The lower air density actually facilitates the vacuum step process.

Other methods

Drinking plenty of water will also help in acclimatisation[13] to replace the fluids lost through heavier breathing in the thin, dry air found at altitude, although consuming excessive quantities (“over-hydration”) has no benefits and may lead to hyponatremia.

Oxygen from gas bottles or liquid containers can be applied directly via a nasal cannula or mask. Oxygen concentrators based upon PSA, VSA, or VPSA can be used to generate the oxygen if electricity is available. Stationary oxygen concentrators typically use PSA technology, which has performance degradations at the lower barometric pressures at high altitudes. One way to compensate for the performance degradation is to utilize a concentrator with more flow capacity. There are also portable oxygen concentrators that can be used on vehicle DC power or on internal batteries, and at least one system commercially available measures and compensates for the altitude effect on its performance up to 4,000 meters (13,123 feet). The application of high-purity oxygen from one of these methods increases the partial pressure of oxygen by raising the FIO2 (fraction of inspired oxygen).

Treatment of Altitude sickness

The only reliable treatment and in many cases the only option available is to descend. Attempts to treat or stabilise the patient in situ at altitude is dangerous unless highly controlled and with good medical facilities. However, the following treatments have been used when the patient’s location and circumstances permit:

  • Oxygen may be used for mild to moderate AMS below 12,000 feet and is commonly provided by physicians at mountain resorts. Symptoms abate in 12-36 hours without the need to descend.
  • For more serious cases of AMS, or where rapid descent is impractical, a Gamow bag, a portable plastic pressure bag inflated with a foot pump, can be used to reduce the effective altitude by as much as 1,500 meters (5,000 feet). A Gamow bag is generally used only as an aid to evacuate severe AMS patients not to treat them at altitude.
  • Acetazolamide may assist in altitude aclimatisation but is not a reliable treatment for established cases of even mild altitude sickness.[14][15]
  • Some claim that mild altitude sickness can be controlled by consciously taking 10-12 large, rapid breaths every 5 minutes, (hyperventilation) but this claim lacks both empirical evidence and a plausible medical reason as to why this should be effective. If overdone, this can remove too much carbon dioxide causing hypocapnia.
  • The folk remedy for altitude sickness in Ecuador , Peru and Bolivia is a tea made from the coca plant. See mate de coca.
  • Other treatments include injectable steroids to reduce pulmonary edema, this may buy time to descend but treats a symptom, it does not treat the underlying AMS.

Homeopathy Treatment for Altitude sickness

Keywords: homeopathy, homeopathic, treatment, cure, remedy, remedies, medicine

Homeopathy treats the person as a whole. It means that homeopathic treatment focuses on the patient as a person, as well as his pathological condition. The homeopathic medicines are selected after a full individualizing examination and case-analysis, which includes the medical history of the patient, physical and mental constitution, family history, presenting symptoms, underlying pathology, possible causative factors etc. A miasmatic tendency (predisposition/susceptibility) is also often taken into account for the treatment of chronic conditions. A homeopathy doctor tries to treat more than just the presenting symptoms. The focus is usually on what caused the disease condition? Why ‘this patient’ is sick ‘this way’. The disease diagnosis is important but in homeopathy, the cause of disease is not just probed to the level of bacteria and viruses. Other factors like mental, emotional and physical stress that could predispose a person to illness are also looked for. No a days, even modern medicine also considers a large number of diseases as psychosomatic. The correct homeopathy remedy tries to correct this disease predisposition. The focus is not on curing the disease but to cure the person who is sick, to restore the health. If a disease pathology is not very advanced, homeopathy remedies do give a hope for cure but even in incurable cases, the quality of life can be greatly improved with homeopathic medicines.

The homeopathic remedies (medicines) given below indicate the therapeutic affinity but this is not a complete and definite guide to the homeopathy treatment of this condition. The symptoms listed against each homeopathic remedy may not be directly related to this disease because in homeopathy general symptoms and constitutional indications are also taken into account for selecting a remedy. To study any of the following remedies in more detail, please visit the Materia Medica section at www.Hpathy.com.

None of these medicines should be taken without professional advice and guidance.

Homeopathy Remedies for Altitude sickness :

Acon., arn., ars., aur., bell., calc., carb-v., caust., coca., con., conv., cupr., gels., kola., lach., lyc., nat-m., olnd., op., puls., sil., spig., verat.

References

  1. ^ a b c Roach, Robert; Stepanek, Jan; and Hackett, Peter. (2002). “24”. Acute Mountain Sickness and High-Altitude Cerebral Edema. In: Medical Aspects of Harsh Environments. 2. Washington, DC. http://www.bordeninstitute.army.mil/published_volumes/harshEnv2/harshEnv2.html. Retrieved on 2009-01-05.
  2. ^ K Baillie and A Simpson. “Acute mountain sickness“. Apex (Altitude Physiology Expeditions). Retrieved on 2007-08-08. – High altitude information for laypeople
  3. ^ AAR Thompson. “Altitude-Sickness.org“. Apex. Retrieved on 2007-05-08.
  4. ^ The High Altitude Medicine Handbook 3rd Edition, Andrew J Pollard and David R Murdoch.
  5. ^ K Baillie. “Living in Thin Air“. Apex. Retrieved on 2007-12-17.
  6. ^ Altitude and Oxygen
  7. ^ AJ Giannini,HR Black, RL Goettsche. The Psychiatric, Psychogenic and Somatopsychic Disorders Handbook. New Hyde Park,NY. Medical Examination Publishing Co.,1978. pp.190,192. ISBN 0-87488-596-5.
  8. ^ high-altitude.org: High Altitude Medicine
  9. ^ Altitude and Oxygen
  10. ^ Muza, SR; Rock, PB; Zupan, M; Miller, J; Thomas, WR (2003). “Influence of Moderate Altitude Residence on Arterial Oxygen Saturation at Higher Altitudes.“. US Army Research Inst. of Environmental Medicine Thermal and Mountain Medicine Division Technical Report (USARIEM/TMMD-T03-1). http://archive.rubicon-foundation.org/7606. Retrieved on 30 September 2008.
  11. ^ Jafarian S, Gorouhi F, Salimi S, Lotfi J (2007). “Sumatriptan for prevention of acute mountain sickness: randomized clinical trial”. Ann. Neurol. 62 (3): 273–7. doi:10.1002/ana.21162. PMID 17557349.
  12. ^ West, John B. (1995), “Oxygen Enrichment of Room Air to Relieve the Hypoxia of High Altitude”, Respiration Physiology 99(2):230.
  13. ^ Dannen, Kent; Dannen, Donna (2002). Rocky Mountain National Park. Globe Pequot. pp. 9. ISBN 0762722452. http://books.google.com/books?id=txzevi145t8C&pg=PA9&dq=%22drinking+plenty+of+water%22+%22altitude+sickness%22&sig=S8HVuMeBMouac2Ag9vL9Kd-41gc. “Visitors unaccustomed to high elevations may experience symptoms of Acute Mountain Sickness (AMS)[…s]uggestions for alleviating symptoms include drinking plenty of water[.]”
  14. ^ Cain, SM, Dunn JE, 2nd. Low doses of acetazolamide to aid accommodation of men to altitude. J Appl Physiol 1966; 21:1195
  15. ^ Grissom, CK, Roach, RC, Sarnquist, FH, Hackett, PH. Acetazolamide in the treatment of acute mountain sickness: Clinical efficacy and effect on gas exchange. Ann Intern Med 1992; 116:461
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