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Intermittent hypoxic therapy

Technique for improving human performance by adaptation to reduced oxygen

Technique for improving human performance by adaptation to reduced oxygen

Intermittent hypoxic therapy, also known as intermittent hypoxic training (IHT), is a technique aimed at improving human performance by way of adaptation to reduced oxygen.

An IHT session consists of an interval of several minutes breathing hypoxic (low oxygen) air, alternated with intervals breathing ambient (normoxic) or hyperoxic air. The procedure may be repeated several times in variable-length sessions per day, depending on a physician's prescription or a manufacturer's protocol. Standard practice is for the patient to remain stationary while breathing hypoxic air via a hand-held mask. The therapy is delivered using a hypoxicator during the day time, allowing the dosage to be monitored. Biofeedback can be delivered using a pulse oximeter.

Effects

A number of effects are reported. It is important to differentiate between physiological adaptations to mild hypoxia and re-oxygenation episodes (i.e., the IHT protocol) and frequent nocturnal suffocation awakenings produced by sleep apnea, which might result in various pathologies.

Applications

IHT has been used to try to improve performance in sports. and has been used in a number of health conditions.

References

References

  1. (15 November 2014). "Therapeutic potential of intermittent hypoxia: a matter of dose". Am J Physiol Regul Integr Comp Physiol.
  2. (April 2006). "Oxygen Transport to Tissue XXVII". Experimental Biology and Medicine.
  3. (September 2007). "Nonhematological mechanisms of improved sea-level performance after hypoxic exposure". Medicine and Science in Sports and Exercise.
  4. (June 2008). "Intermittent hypoxia: cause of or therapy for systemic hypertension?". Experimental Biology and Medicine.
  5. (2002). "Intermittent hypoxic training: fact and fancy.". High Altitude Medicine & Biology.
  6. Serebrovskaya TV. (2002). "Intermittent hypoxia research in the former soviet union and the commonwealth of independent States: history and review of the concept and selected applications". High Altitude Medicine & Biology.
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