Temperature monitoring and perioperative thermoregulation.
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TLDR
Most clinically available thermometers accurately report the temperature of whatever tissue is being measured, but no reliably core-temperature-measuring sites are completely noninvasive and easy to use—especially in patients not undergoing general anesthesia.Abstract:
Most clinically available thermometers accurately report the temperature of whatever tissue is being measured. The difficulty is that no reliably core-temperature measuring sites are completely non-invasive and easy to use — especially in patients not having general anesthesia. Nonetheless, temperature can be reliably measured in most patients. Body temperature should be measured in patients having general anesthesia exceeding 30 minutes in duration, and in patients having major operations under neuraxial anesthesia.
Core body temperature is normally tightly regulated. All general anesthetics produce a profound dose-dependent reduction in the core temperature triggering cold defenses including arterio-venous shunt vasoconstriction and shivering. Anesthetic-induced impairment of normal thermoregulatory control, and the resulting core-to-peripheral redistribution of body heat, is the primary cause of hypothermia in most patients. Neuraxial anesthesia also impairs thermoregulatory control, although to a lesser extant than general anesthesia. Prolonged epidural analgesia is associated with hyperthermia whose cause remains unknown.read more
Citations
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Enhanced Recovery After Surgery (ERAS) for gastrointestinal surgery, part 2: consensus statement for anaesthesia practice
Aarne Feldheiser,O. Aziz,Gabriele Baldini,B Cox,Kch C. H. Fearon,Ls S. Feldman,Tj J. Gan,Rh H. Kennedy,Olle Ljungqvist,Dn N. Lobo,Timothy E. Miller,Ff F. Radtke,T. Ruiz Garces,T. Schricker,Mj J. Scott,Jk K. Thacker,Lm M. Ytrebø,Franco Carli +17 more
TL;DR: Clinical considerations and recommendations for anaesthetic practice in patients undergoing gastrointestinal surgery with an Enhanced Recovery after Surgery (ERAS) programme are proposed.
Journal ArticleDOI
Recommendations for standards of monitoring during anaesthesia and recovery 2015: Association of Anaesthetists of Great Britain and Ireland.
M. R. Checketts,R. Alladi,R. Alladi,K. Ferguson,L. Gemmell,J. M. Handy,Andrew A. Klein,Nicholas Love,U. Misra,C. Morris,M. H. Nathanson,G. Rodney,R. Verma,Jaideep J. Pandit +13 more
TL;DR: This guideline updates and replaces the 4th edition of the AAGBI Standards of Monitoring published in 2007 and provides guidance on the minimum standards for physiological monitoring of any patient undergoing anaesthesia or sedation under the care of an anaesthetist.
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Malignant hyperthermia: a review
TL;DR: Improved understanding of the clinical manifestation and pathophysiology of the syndrome, has lead to the mortality decreasing from 80 % thirty years ago to <5 % in 2006.
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Perioperative thermoregulation and heat balance.
TL;DR: The standard-of-care is to monitor core temperature and to maintain normothermia during general and neuraxial anaesthesia to prevent hypothermia in unwarmed anaesthetised patients.
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Clinical presentation, treatment, and complications of malignant hyperthermia in North America from 1987 to 2006.
TL;DR: Elevated temperature may be an early malignant hyperthermia sign and accurate temperature monitoring during general anesthetics and early dantrolene administration may decrease the 35% MH morbidity rate.
References
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Perioperative Normothermia to Reduce the Incidence of Surgical-Wound Infection and Shorten Hospitalization
TL;DR: Maintaining normothermia intraoperatively is likely to decrease the incidence of infectious complications in patients undergoing colorectal resection and to shorten their hospitalizations.
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A new weighting system for mean surface temperature of the human body
TL;DR: On the basis of an analysis of the skin temperature data on three resting human subjects from 112 experiments, a simple weighting system for computing the mean skin temperature from observations on...
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Perioperative Maintenance of Normothermia Reduces the Incidence of Morbid Cardiac Events: A Randomized Clinical Trial
Steven M. Frank,Lee A. Fleisher,Michael J. Breslow,Michael S. Higgins,K. F. Olson,Susan Kelly,Charles Beattie +6 more
TL;DR: In patients with cardiac risk factors who are undergoing noncardiac surgery, the perioperative maintenance of normothermia is associated with a reduced incidence of morbid cardiac events and ventricular tachycardia.
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Mild hypothermia increases blood loss and transfusion requirements during total hip arthroplasty.
TL;DR: The maintenance of intraoperative normothermia reduces blood loss and allogeneic blood requirements in patients undergoing total hip arthroplasty and increases blood loss in the hypothermic patients.
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Impaired Thermosensation in Mice Lacking TRPV3, a Heat and Camphor Sensor in the Skin
Aziz Moqrich,Sun Wook Hwang,Sun Wook Hwang,Taryn J. Earley,Taryn J. Earley,Matt J. Petrus,Matt J. Petrus,Amber N. Murray,Amber N. Murray,Kathryn S. R. Spencer,Kathryn S. R. Spencer,Mary Andahazy,Mary Andahazy,Gina M. Story,Gina M. Story,Ardem Patapoutian,Ardem Patapoutian +16 more
TL;DR: It is found that TRPV3 null mice have strong deficits in responses to innocuous and noxious heat but not in other sensory modalities; hence, TRPv3 has a specific role in thermosensation.