NYMC Faculty Publications

New-Onset Intra-Operative Hyperthermia in a Large Surgical Patient Population: A Retrospective Observational Study

Author Type(s)

Faculty

Journal Title

European Journal of Anaesthesiology

First Page

487

Last Page

493

Document Type

Article

Publication Date

5-1-2021

Department

Anesthesiology

Abstract

BACKGROUND: Intra-operative hypothermia has been extensively investigated. However, the incidence of intra-operative hyperthermia has not been investigated in detail.

OBJECTIVE: The main objective of this study was to assess the incidence and risk factors of new-onset intra-operative hyperthermia in a large surgical patient population.

DESIGN: Retrospective database review.

SETTING: Tertiary-care teaching hospital.

PATIENTS: Patients undergoing surgery with general anaesthesia between 1 January 2002 and 31 December 2017 were included.

MAIN OUTCOME MEASURES: The primary outcome measurement was new-onset intra-operative hyperthermia (>37.5 °C). A logistic regression model was fitted to identify risk factors for intra-operative hyperthermia.

RESULTS: A total of 103 648 patients were included in the final analyses. The incidence of new-onset hyperthermia in the overall patient cohort was 6.45%, reaching 20 to 30% after prolonged (>8 h) surgery, and was up to 26.5% in paediatric patients. The use of forced air active patient warming, larger amounts of fluid administration, longer surgery, younger age and smaller body size were all independently associated with intra-operative hyperthermia. The adoption of the Surgical Care Improvement Project (SCIP) temperature measures was associated with an increased incidence of intra-operative hyperthermia.

CONCLUSION: Mild intra-operative hyperthermia is not uncommon particularly in longer procedures and small children.

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