J Korean Acad Nurs.  2017 Aug;47(4):456-466. 10.4040/jkan.2017.47.4.456.

The Effects of 30-Minutes of Pre-Warming on Core Body Temperature, Systolic Blood Pressure, Heart Rate, Postoperative Shivering, and Inflammation Response in Elderly Patients with Total Hip Replacement under Spinal Anesthesia: A Randomized Double-blind Controlled Trial

• Cheon YM
• Yoon H

• KMID: 2389022
• DOI: http://doi.org/10.4040/jkan.2017.47.4.456

Abstract

PURPOSE
This study was designed to determine the effects of pre-warming on core body temperature (CBT) and hemodynamics from the induction of spinal anesthesia until 30 min postoperatively in surgical patients who undergo total hip replacement under spinal anesthesia. Our goal was to assess postoperative shivering and inflammatory response.
METHODS
Sixty-two surgical patients were recruited by informed notice. Data for this study were collected at a 1,300-bed university hospital in Incheon, South Korea from January 15 through November 15, 2013. Data on CBT, systemic blood pressure (SBP), and heart rate were measured from arrival in the pre-anesthesia room to 3 hours after the induction of spinal anesthesia. Shivering was measured for 30 minutes post-operatively. C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR) were measured pre-operatively, and 1 and 2 days postoperatively. The 62 patients were randomly allocated to an experimental group (EG), which underwent pre-warming for 30 minutes, or a control group (CG), which did not undergo pre-warming.
RESULTS
Analysis of CBT from induction of spinal anesthesia to 3 hours after induction revealed significant interaction between group and time (F=3.85, p=.008). In addition, the incidence of shivering in the EG was lower than that in the CG (χ²=6.15, p=.013). However, analyses of SBP, heart rate, CRP, and ESR did not reveal significant interaction between time and group.
CONCLUSION
Pre-warming for 30 minutes is effective in increasing CBT 2 and 3 hours after induction of spinal anesthesia. In addition, pre-warming is effective in decreasing post-operative shivering.

Keyword

Hypothermia; Body temperature regulation; Hemodynamics; Shivering; Inflammation

MeSH Terms

Aged*
Anesthesia, Spinal*
Arthroplasty, Replacement, Hip*
Blood Pressure*
Blood Sedimentation
Body Temperature Regulation
Body Temperature*
C-Reactive Protein
Heart Rate*
Heart*
Hemodynamics
Humans
Hypothermia
Incheon
Incidence
Inflammation*
Korea
Shivering*
C-Reactive Protein

Figure

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  Figure 1. Flow diagram of the study participants.

Reference

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