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Review
. 2018 Aug;18(8):227-233.
doi: 10.1016/j.bjae.2018.05.003. Epub 2018 Jun 28.

Inadvertent perioperative hypothermia

C Riley  1 , J Andrzejowski  1
Affiliations
Review

Inadvertent perioperative hypothermia

C Riley et al. BJA Educ. 2018 Aug.
No abstract available

PubMed Disclaimer

Conflict of interest statement

Dr Andrzejowski has received payment for advice and lecturing from various companies involved in marketing active warming devices.

Figures

Figure 1
Fig 1
Thermoregulatory thresholds in awake and anaesthetised patients, showing the widened inter-threshold range after anaesthesia. The inter-threshold range describes the lower and upper limits of core body temperature between which no autonomic thermoregulatory effects are triggered. At a core temperature above this range, the body will initiate cooling measures such as sweating and vasodilatation; at a core temperature below this, vasoconstriction and shivering will commence. Anaesthesia widens the inter-threshold range so the core body temperature needs to be much lower than in the awake patient before homeostatic warming methods are triggered.
Figure 2
Fig 2
Characteristic triphasic patterns of hypothermia under regional, general, or combined regional and general anaesthesia. The high risk of a combined regional and general technique is clearly seen. GA, general anaesthesia.
Figure 3
Fig 3
Effect of anaesthesia induced vasodilation on core and peripheral temperature with and without prewarming.
See this image and copyright information in PMC

References

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