Preoperative warming versus no preoperative warming for maintenance of normothermia in women receiving intrathecal morphine for cesarean delivery: a single-blinded, randomized controlled trial
Article
Article Title | Preoperative warming versus no preoperative warming for maintenance of normothermia in women receiving intrathecal morphine for cesarean delivery: a single-blinded, randomized controlled trial |
---|---|
ERA Journal ID | 15673 |
Article Category | Article |
Authors | Munday, Judy (Author), Osborne, Sonya (Author), Yates, Patsy (Author), Jones, Lee (Author) and Gosden, Edward (Author) |
Journal Title | Anesthesia and Analgesia |
Journal Citation | 126 (1), pp. 183-189 |
Number of Pages | 7 |
Year | 2018 |
Place of Publication | United States |
ISSN | 0003-2999 |
1138-1868 | |
1526-7598 | |
Digital Object Identifier (DOI) | https://doi.org/10.1213/ANE.0000000000002026 |
Web Address (URL) | https://insights.ovid.com/crossref?an=00000539-201801000-00031 |
Abstract | Introduction. Rates of hypothermia for women undergoing spinal anesthesia for cesarean delivery are high and prevention is desirable. This trial compared the effectiveness of pre-operative warming versus usual care amongst women receiving intrathecal morphine, which is thought to exacerbate perioperative heat loss. Methods. A prospective, single-blinded, randomized controlled trial compared 20 minutes of forced air warming(plus intravenous fluid warming) versus no active preoperative warming(plus intravenous fluid warming)in 50 healthy American Society of Anesthesiologists(ASA) graded II women receiving intrathecal morphine as part of spinal anesthesia for elective cesarean delivery. The primary outcome of maternal temperature change was assessed via aural canal and bladder temperature measurements at regular intervals. Secondary outcomes included maternal thermal comfort, shivering, mean arterial pressure, agreement between aural temperature, and neonatal outcomes (axillary temperature at birth, Apgar scores, breastfeeding and skin-to-skin contact). The intention-to-treat population was analyzed with descriptive statistics, general linear model analysis, linear mixed model analysis, Chi-square test of independence, Mann-Whitney, and Bland Altman analysis. Full ethical approval was obtained, and the study was registered on the Australia and New Zealand Clinical Trials Registry (Trial No: 367160, registered athttp://www.ANZCTR.org.au/). Results. Intention-to-treat analysis(n=50)revealed no significant difference in aural temperature change from baseline to the end of the procedure between groups: F (1, 47) = 1.2, p =0.28. There were no other statistically significant differences between groupsin any of the secondary outcomes. Conclusions. A short period of pre-operative warming is not effective in preventing intraoperative temperature decline for women receiving intrathecal morphine. A combination of preoperative and intraoperative warming modalities may be required for this population. |
Keywords | perioperative hypothermia; intrathecal morphine; cesarean delivery' randomized controlled trial |
ANZSRC Field of Research 2020 | 420501. Acute care |
Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
Byline Affiliations | Queensland University of Technology |
University of Queensland | |
Institution of Origin | University of Southern Queensland |
Funding source | Grant ID Perioperative Nurses Association of Queensland Research Grant |
https://research.usq.edu.au/item/q51vq/preoperative-warming-versus-no-preoperative-warming-for-maintenance-of-normothermia-in-women-receiving-intrathecal-morphine-for-cesarean-delivery-a-single-blinded-randomized-controlled-trial
Download files
Accepted Version
Munday, Osborne 2018_preop vs no preop warming_QUT eprints.pdf | ||
File access level: Anyone |
229
total views449
total downloads1
views this month4
downloads this month