ABSTRACT
Purpose
To prevent intraoperative inadvertent hypothermia (IIH), resistive products and forced-air
warming systems are often used simultaneously. There is insufficient evidence to show
whether this application is clinically more effective than a single active warming
device. The aim of this study is to compare the efficacy a single intraoperative active
warming method with combined methods in IIH prevention.
Design
A randomized, prospective, experimental study.
Methods
This study was conducted between June and October 2021 in the operating room of a
training and research hospital. The study sample consisted of 123 patients who underwent
scheduled orthopedic surgery under spinal anesthesia, were young (18-64), and had
an ASA risk score of I to III. The patients were divided into three groups preoperatively
according to the stratified randomization technique. To prevent IIH, a resistive warming
mattress was used in group 1; a forced-air warming system was used in group 2; and
a combination of the two methods were used in group 3. The body temperatures of the
patients were measured and recorded every 15 minutes from admission to the operating
room until the end of surgery.
Findings
The mean intraoperative body temperature of the patients was 36.6±0.15˚C for group
1; 36.6±0.1˚C for Group 2 and 36.6 ± 0.15˚C for Group 3. There was no difference between
the groups in terms of body temperature. The overall incidence of IIH was 8.1%; 9.8%
in group 1, 9.8% in group 2 and 4.9% in group 3. There was no statistically significant
difference between the groups in terms of IIH (p < .05).
Conclusions
This study supports the efficacy of using resistive warming mattress and forced-air
warming systems in preventing IIH. The use of both methods together made no difference
in terms of IIH development.
Keywords
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Article info
Publication history
Published online: April 06, 2023
Publication stage
In Press Corrected ProofFootnotes
Conflict of Interest: None to report.
Data Availability Statement: This paper was presented as an oral presentation in 4th International & 12th National Turkish Surgical and Operating Room Nursing Congress 13-16 January 2022, Antalya – Turkey.
Identification
Copyright
© 2022 American Society of PeriAnesthesia Nurses. Published by Elsevier Inc. All rights reserved.
