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Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
Published on: November 21, 2017
Summary
Elderly patients with hypothermia face a starkly different prognosis based on its cause. Primary hypothermia in seniors leads to 100% 3-year mortality, while secondary hypothermia has a 24% rate.
Area of Science:
- Gerontology
- Internal Medicine
- Public Health
Background:
- Hypothermia is a serious condition, particularly in elderly populations.
- Understanding the long-term outcomes of different hypothermia types is crucial for geriatric care.
Purpose of the Study:
- To compare the long-term outcomes of primary versus secondary hypothermia in patients over 65.
- To identify prognostic factors influencing survival after hypothermia in the elderly.
Main Methods:
- Retrospective analysis of patients aged over 65 with hypothermia admitted to Victoria Infirmary, Glasgow (1977-1981).
- Categorization into primary and secondary hypothermia groups.
- Follow-up data collection for mortality rates, focusing on 3-year survival post-discharge.
Main Results:
- No significant differences in initial mortality, mean age, or admission temperature between primary and secondary hypothermia groups.
- A highly significant difference (P < 0.001) in long-term outcome was observed.
- 3-year mortality for survivors of primary hypothermia was 100%, compared to 24% for secondary hypothermia.
Conclusions:
- The cause of hypothermia in elderly patients is a critical determinant of long-term survival.
- Primary hypothermia in seniors carries an extremely poor long-term prognosis.
- Secondary hypothermia in the elderly, while serious, offers a significantly better long-term outlook than primary hypothermia.
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The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
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A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by sustained extreme cold exposure, and severe...
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Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...

