Elevated Surgical Pleth Index at the End of Surgery Is Associated with Postoperative Moderate-to-Severe Pain: A Systematic Review and Meta-Analysis

Despite acceptance of the surgical pleth index (SPI) for monitoring the intraoperative balance between noxious stimulation and anti-nociception under general anesthesia, its efficacy for predicting postoperative moderate-to-severe pain remains unclear. We searched electronic databases (e.g., Google...

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Main Authors: Kuo-Chuan Hung, Yen-Ta Huang, Jinn-Rung Kuo, Chih-Wei Hsu, Ming Yew, Jen-Yin Chen, Ming-Chung Lin, I-Wen Chen, Cheuk-Kwan Sun
Format: Article
Language:English
Published: MDPI AG 2022-09-01
Series:Diagnostics
Subjects:
Online Access:https://www.mdpi.com/2075-4418/12/9/2167
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author Kuo-Chuan Hung
Yen-Ta Huang
Jinn-Rung Kuo
Chih-Wei Hsu
Ming Yew
Jen-Yin Chen
Ming-Chung Lin
I-Wen Chen
Cheuk-Kwan Sun
author_facet Kuo-Chuan Hung
Yen-Ta Huang
Jinn-Rung Kuo
Chih-Wei Hsu
Ming Yew
Jen-Yin Chen
Ming-Chung Lin
I-Wen Chen
Cheuk-Kwan Sun
author_sort Kuo-Chuan Hung
collection DOAJ
description Despite acceptance of the surgical pleth index (SPI) for monitoring the intraoperative balance between noxious stimulation and anti-nociception under general anesthesia, its efficacy for predicting postoperative moderate-to-severe pain remains unclear. We searched electronic databases (e.g., Google Scholar, MEDLINE, Cochrane Library, and EMBASE) to identify articles focusing on associations of SPI at the end of surgery with immediate moderate-to-severe pain in the postanesthesia care unit from inception to 7 July 2022. A total of six observational studies involving 756 adults published between 2016 and 2020 were eligible for quantitative syntheses. Pooled results revealed higher values of SPI in patients with moderate-to-severe pain than those without (mean difference: 7.82, 95% CI: 3.69 to 11.95, <i>p</i> = 0.002, I<sup>2</sup> = 46%). In addition, an elevated SPI at the end of surgery was able to predict moderate-to-severe pain with a sensitivity of 0.71 (95% confidence interval (CI): 0.65–0.77; I<sup>2</sup> = 29.01%) and a specificity of 0.58 (95% CI: 0.39–0.74; I<sup>2</sup> = 79.31%). The overall accuracy based on the summary receiver operating characteristic (sROC) curve was 0.72. In conclusion, this meta-analysis highlighted the feasibility of the surgical pleth index to predict postoperative moderate-to-severe pain immediately after surgery. Our results from a limited number of studies warrant further investigations for verification.
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spelling doaj.art-93e64c25f771431ba9c91016315bff282023-11-23T15:49:48ZengMDPI AGDiagnostics2075-44182022-09-01129216710.3390/diagnostics12092167Elevated Surgical Pleth Index at the End of Surgery Is Associated with Postoperative Moderate-to-Severe Pain: A Systematic Review and Meta-AnalysisKuo-Chuan Hung0Yen-Ta Huang1Jinn-Rung Kuo2Chih-Wei Hsu3Ming Yew4Jen-Yin Chen5Ming-Chung Lin6I-Wen Chen7Cheuk-Kwan Sun8Department of Anesthesiology, Chi Mei Medical Center, Tainan City 71004, TaiwanDepartment of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City 70101, TaiwanDepartment of Neurosurgery, Chi Mei Medical Center, Tainan City 71004, TaiwanDepartment of Psychiatry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung City 83301, TaiwanDepartment of Anesthesiology, Chi Mei Medical Center, Tainan City 71004, TaiwanDepartment of Anesthesiology, Chi Mei Medical Center, Tainan City 71004, TaiwanDepartment of Anesthesiology, Chi Mei Medical Center, Tainan City 71004, TaiwanDepartment of Anesthesiology, Chi Mei Medical Center, Liouying, Tainan City 73657, TaiwanDepartment of Emergency Medicine, E-Da Hospital, Kaohsiung City 82445, TaiwanDespite acceptance of the surgical pleth index (SPI) for monitoring the intraoperative balance between noxious stimulation and anti-nociception under general anesthesia, its efficacy for predicting postoperative moderate-to-severe pain remains unclear. We searched electronic databases (e.g., Google Scholar, MEDLINE, Cochrane Library, and EMBASE) to identify articles focusing on associations of SPI at the end of surgery with immediate moderate-to-severe pain in the postanesthesia care unit from inception to 7 July 2022. A total of six observational studies involving 756 adults published between 2016 and 2020 were eligible for quantitative syntheses. Pooled results revealed higher values of SPI in patients with moderate-to-severe pain than those without (mean difference: 7.82, 95% CI: 3.69 to 11.95, <i>p</i> = 0.002, I<sup>2</sup> = 46%). In addition, an elevated SPI at the end of surgery was able to predict moderate-to-severe pain with a sensitivity of 0.71 (95% confidence interval (CI): 0.65–0.77; I<sup>2</sup> = 29.01%) and a specificity of 0.58 (95% CI: 0.39–0.74; I<sup>2</sup> = 79.31%). The overall accuracy based on the summary receiver operating characteristic (sROC) curve was 0.72. In conclusion, this meta-analysis highlighted the feasibility of the surgical pleth index to predict postoperative moderate-to-severe pain immediately after surgery. Our results from a limited number of studies warrant further investigations for verification.https://www.mdpi.com/2075-4418/12/9/2167surgical pleth indexpainpostanesthesia care unitsummary receiver operating characteristicmeta-analysis
spellingShingle Kuo-Chuan Hung
Yen-Ta Huang
Jinn-Rung Kuo
Chih-Wei Hsu
Ming Yew
Jen-Yin Chen
Ming-Chung Lin
I-Wen Chen
Cheuk-Kwan Sun
Elevated Surgical Pleth Index at the End of Surgery Is Associated with Postoperative Moderate-to-Severe Pain: A Systematic Review and Meta-Analysis
Diagnostics
surgical pleth index
pain
postanesthesia care unit
summary receiver operating characteristic
meta-analysis
title Elevated Surgical Pleth Index at the End of Surgery Is Associated with Postoperative Moderate-to-Severe Pain: A Systematic Review and Meta-Analysis
title_full Elevated Surgical Pleth Index at the End of Surgery Is Associated with Postoperative Moderate-to-Severe Pain: A Systematic Review and Meta-Analysis
title_fullStr Elevated Surgical Pleth Index at the End of Surgery Is Associated with Postoperative Moderate-to-Severe Pain: A Systematic Review and Meta-Analysis
title_full_unstemmed Elevated Surgical Pleth Index at the End of Surgery Is Associated with Postoperative Moderate-to-Severe Pain: A Systematic Review and Meta-Analysis
title_short Elevated Surgical Pleth Index at the End of Surgery Is Associated with Postoperative Moderate-to-Severe Pain: A Systematic Review and Meta-Analysis
title_sort elevated surgical pleth index at the end of surgery is associated with postoperative moderate to severe pain a systematic review and meta analysis
topic surgical pleth index
pain
postanesthesia care unit
summary receiver operating characteristic
meta-analysis
url https://www.mdpi.com/2075-4418/12/9/2167
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