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Hypothermia is the cause of at least 1,500 deaths a year in the United States. [2] It is more common in older people and males. [5] One of the lowest documented body temperatures from which someone with accidental hypothermia has survived is 12.7 °C (54.9 °F) in a 2-year-old boy from Poland named Adam. [6]
Targeted temperature management (TTM), previously known as therapeutic hypothermia or protective hypothermia, is an active treatment that tries to achieve and maintain a specific body temperature in a person for a specific duration of time in an effort to improve health outcomes during recovery after a period of stopped blood flow to the brain. [1]
Barring preventive interventions, hypothermia occurs in more than half of all surgical patients undergoing anesthesia. [26] The risk of a loss of body temperature and hypothermia increase with the duration of surgery, especially for surgery that lasts more than one hour.
In hypothermia, body temperature drops below that required for normal metabolism and bodily functions. In humans, this is usually due to excessive exposure to cold air or water, but it can be deliberately induced as a medical treatment. Symptoms usually appear when the body's core temperature drops by 1–2 °C (1.8–3.6 °F) below normal ...
While moderate hypothermia may be satisfactory for short surgeries, deep hypothermia (20 °C to 25 °C) affords protection for times of 30 to 40 minutes at the bottom of this temperature range. Profound hypothermia (< 14 °C) usually isn't used clinically. It is a subject of research in animals and human clinical trials.
A study conducted in 2002-2004 showed that treatment with therapeutic hypothermia for patients resuscitated after cardiac arrest due to ventricular fibrillation led to a positive outcome (Glasgow-Pittsburgh Cerebral Performance category 1 or 2) in 24 of 43 patients compared to only 11 of 43 patients in the standard resuscitation group where no ...
The trauma triad of death is a medical term describing the combination of hypothermia, acidosis, and coagulopathy. [1] This combination is commonly seen in patients who have sustained severe traumatic injuries and results in a significant rise in the mortality rate. [2]
Simplified control circuit of human thermoregulation. [8]The core temperature of a human is regulated and stabilized primarily by the hypothalamus, a region of the brain linking the endocrine system to the nervous system, [9] and more specifically by the anterior hypothalamic nucleus and the adjacent preoptic area regions of the hypothalamus.