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Cold Exposure


Presentation

  • Frostbite in the hands was present in 11.4% of men and 7.1% of women, cold sensitivity was present in 9.7 and 14.4%, and Raynaud's phenomenon was present in 11.0% of men and 14.0% of women.[ncbi.nlm.nih.gov]
  • The present study aimed to clarify individual and seasonal variations in NST that occurred as a result of mild cold exposure. METHODS: Seventeen male university students participated in the present study during summer and winter.[ncbi.nlm.nih.gov]
  • The purpose of the present study was to quantify the effects of co-ingesting EGCG and caffeine on the thermogenic responses of a 3 h cold exposure.[ncbi.nlm.nih.gov]
  • Abstract Cold exposure is present to significant amounts in the everyday occupational and leisure time activities of circumpolar residents.[ncbi.nlm.nih.gov]
  • At present, the economic significance of browning for animal husbandry is beginning to be realized with the emerging evidence that browning affects body weight not only in human and rodent but in farm animals.[ncbi.nlm.nih.gov]
Hypothermia
  • KEYWORDS: Difference in color; Hypothermia; Oximeter; Oxyhemoglobin saturation[ncbi.nlm.nih.gov]
  • OBJECTIVE: Hypoglycemia is associated with increased heat production and, despite of this, hypothermia. Heat production is likely to be mediated by sympathetic innervation.[ncbi.nlm.nih.gov]
  • Temperatures for mild, moderate, and severe hypothermia generally range from: Mild hypothermia: 89-95 degrees Farenheit Moderate hypothermia: 82-89 degrees Farenheit Severe hypothermia: Lower than 82 degrees Farenheit Because response to hypothermia varies[webmd.com]
  • Unexpectedly, HF-fed Pemt(-/-) mice developed hypothermia within 3 h of cold exposure. In contrast, chow-fed Pemt(-/-) mice, possessing similar body mass, maintained body temperature.[ncbi.nlm.nih.gov]
  • Quick Summary: Hypothermia is a condition in which the body temperature drops below 95 deg. F (35 deg. C).[dovemed.com]
Shivering
  • All measurements were analysed across 4 periods: warm period, at 31% and at 64% of individual s cold exposure time until shivering occurred, and at the shivering threshold.[ncbi.nlm.nih.gov]
  • Women started shivering at a higher T E than men (11.3   1.8  C for women vs 9.6   1.8  C for men, P   0.003).[ncbi.nlm.nih.gov]
  • The primary human physiological responses elicited by cold exposure are shivering and peripheral vasoconstriction.[ncbi.nlm.nih.gov]
  • RESULTS: Increases in oxygen intake (VO2) during cold exposure were significantly greater without shivering in winter than they were in summer.[ncbi.nlm.nih.gov]
  • In combination, vasoconstriction and shivering operate to maintain thermal balance when the body is losing heat.[ncbi.nlm.nih.gov]
Fulminant Sepsis
  • Responsible for his decline was a fulminate sepsis, diagnosed upon fever, increased C-reactive protein, thrombocyte decline, multi-organ failure, rhabdomyolysis, growth of S. aureus on blood culture, and autopsy.[ncbi.nlm.nih.gov]
Neglect
  • BACKGROUND: Exposure to cold temperatures is often a neglected problem in prehospital care. Cold exposure increase thermal discomfort and, if untreated causes disturbances of vital body functions until ultimately reaching hypothermia.[ncbi.nlm.nih.gov]
  • INTRODUCTION: Exposure to cold temperature is a serious but often neglected problem in prehospital care.[ncbi.nlm.nih.gov]
  • Cold exposure and thermal comfort among patients in prehospital emergency care: innovation research in nursing 2015 (English) Doctoral thesis, comprehensive summary (Other academic) Abstract [en] Background Patients’ cold exposure is a neglected problem[umu.diva-portal.org]
  • Additionally, some studies have evaluated immune differences between a cool and a hot environment, neglecting the comparison to a thermoneutral setting where immunity should be unchallenged and represent a control group comparison [21], [22].[journals.plos.org]
Nocturia
  • Nocturia ( 2 voids per night) and nocturnal urine production were determined using a urination diary and nocturnal urine collection, respectively. RESULTS: The mean sd age of participants was 71.9 7.1 years, and the prevalence of nocturia was 30.8%.[ncbi.nlm.nih.gov]
  • The mean age of the participants was 72 years and nocturia was present in 30.8%.[bjuinternational.com]
Sexual Dysfunction
  • OBJECTIVE: Chronic abacterial prostatitis/pelvic pain syndrome (CP/CPPS) is characterized by pain, voiding and sexual dysfunction persisting fo r 3 months. The symptoms tend to occur in relapses of varying length.[ncbi.nlm.nih.gov]
Anuria
  • Upon admission, the patient complained of a tingling sensation and numbness in the both upper and lower extremities with anuria. The serum blood urea nitrogen, creatinine, creatinine kinase, and myoglobin levels were elevated.[ncbi.nlm.nih.gov]

Workup

Pseudomonas
  • While studying the microtubule toxicity mechanisms of the exotoxin Y from Pseudomonas aeruginosa in pulmonary microvascular endothelial cells, we observed that some endothelial microtubules were very difficult to disassemble in the cold.[ncbi.nlm.nih.gov]

Treatment

  • Subjects were re-evaluated after each treatment period.[ncbi.nlm.nih.gov]
  • As the results showed, the most two stable reference genes for diet treatment were Wdr33 (M 0.38) and Hdac3 (M 0.43), while the most three internal controls for temperature treatment were Hdac3 (M 0.28), Wdr33 (M 0.32), and Hprt1 (M 0.39) among the ten[ncbi.nlm.nih.gov]
  • From BASE to 120 minutes of the CAT, there was a significant decrease in cortisol (P .036), but this response was similar between the 2 treatments (P .077). Glucose and glycerol concentrations were not different between the PL and NIC treatments.[ncbi.nlm.nih.gov]
  • In contrast, the total AUC for energy expenditure (EE) was approximately 10% higher in the Green tea (23·5 (SEM 1·4) kJ/kg x 180 min) compared with the Placebo (327 (SEM 74) kJ/kg 180 min) (P 0·007) treatments.[ncbi.nlm.nih.gov]
  • However, there were no significant differences between the treatments or treatment by time interactions.[ncbi.nlm.nih.gov]

Prognosis

  • Please find relevant information on First Aid for Cold Exposure regarding cause, signs & symptoms, administration of first aid treatment, prognosis, preventive measures, and additional resources HERE .[dovemed.com]
  • Cardiopulmonary resuscitation procedures should not be abandoned until the body temperature is more than 30 Grad C, because the prognosis in cases of accidental hypothermia without associated disease is excellent if cardiac function can be re-established[bisp-surf.de]
  • Prognosis The prognosis depends on the severity and duration of the cold environment and the presence of any risk factors.[patient.info]

Etiology

  • The reduction in blood flow and consequent fall in skin temperature contribute to the etiology of cold injuries (Purdue and Hunt, 1986).[ncbi.nlm.nih.gov]

Epidemiology

  • Epidemiological surveys of body temperature of older persons taken while in their own homes do not indicate a large incidence of hypothermia (Collins et al., 1977; Fox et al., 1973).[ncbi.nlm.nih.gov]
  • Epidemiological research suggests that even in otherwise innocuous environmental conditions, hypothermia can occur.[uiltexas.org]
  • Nieman DC (1997) Risk of Upper Respiratory Tract Infection in Athletes: An Epidemiologic and Immunologic Perspective. 32(4): 344–349. View Article Google Scholar 6. Nieman DC (2009) Immune function responses to ultramarathon race competition.[journals.plos.org]
Sex distribution
Age distribution

Pathophysiology

  • Our results warrant further study on pathophysiological mechanisms and suggest the need for confirmatory prevalence studies to support national public health planning.[ncbi.nlm.nih.gov]
  • Pathophysiology of Tissue Freezing - As tissue begins to freeze, ice crystals are formed within the cells.[princeton.edu]

Prevention

  • Further attacks were prevented by treatment with colchicine. Attention should therefore be paid to the possibility of atypical FMF symptoms, which should be accurately diagnosed by genetic analyses to prevent the development of amyloidosis.[ncbi.nlm.nih.gov]
  • In order to prevent negative health effects of cold exposure on children, structured prevention strategies are needed: therefore, children's exposure to cold should be studied more.[ncbi.nlm.nih.gov]
  • Author information 1 US Army Soldier Research, Development and Engineering Center, Kansas Street, Natick, MA 01760-5020, USA. caroline.mahoney@natick.army.mil Abstract In rats, dietary supplementation with the amino acid tyrosine (TYR) prevents depletion[ncbi.nlm.nih.gov]
  • Prevention Cold damage is usually preventable, if you take sensible precautions.[healthand.com]

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