Ultrasound-guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy: study protocol of a randomized, double-blinded, non-inferiority design trial

Abstract Introduction Erector spinae plane block (ESPB) is a novel inter-fascial plane block, which is applied more and more in postoperative pain control, especially in chest surgery. Regional block is advocated in order to decrease opioid consumption and improve analgesia in urological surgery. Th...

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Main Authors: Zhen-Zhen Xu, Xue Li, Zhen Zhang, Zheng-Ye Liu, Lin-Lin Song, Xue-Ying Li, Hong Zhang
Format: Article
Language:English
Published: BMC 2021-04-01
Series:Trials
Subjects:
Online Access:https://doi.org/10.1186/s13063-021-05173-0
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author Zhen-Zhen Xu
Xue Li
Zhen Zhang
Zheng-Ye Liu
Lin-Lin Song
Xue-Ying Li
Hong Zhang
author_facet Zhen-Zhen Xu
Xue Li
Zhen Zhang
Zheng-Ye Liu
Lin-Lin Song
Xue-Ying Li
Hong Zhang
author_sort Zhen-Zhen Xu
collection DOAJ
description Abstract Introduction Erector spinae plane block (ESPB) is a novel inter-fascial plane block, which is applied more and more in postoperative pain control, especially in chest surgery. Regional block is advocated in order to decrease opioid consumption and improve analgesia in urological surgery. Therefore, we aimed to explore whether ESPB would have similar analgesia compared with thoracic paravertebral block (TPVB) in laparoscopic nephroureterectomy. Methods and analysis This prospective, randomized, double-blinded, non-inferiority trial will enroll 166 patients undergoing laparoscopic nephroureterectomy. Participants will be randomly assigned 1:1 into receiving ESPB or TPVB before surgery. Both ultrasound-guided ESPB and TPVB will be performed with an injection of 0.375% ropivacaine 0.4 ml/kg before anesthesia induction. Standardized patients controlled intravenous analgesia (PCIA) will be applied for each patient. The primary endpoint is the joint of cumulative 24 h opioid (sufentanil) consumption and average pain score via numeric rating scale (NRS) at 24 h after surgery. Secondary endpoints include rescued analgesic demand, cumulative opioid consumption, and pain NRS scores at different preset timepoints within 48 h after surgery. Other predefined outcomes include clinical features of blockage, quality of recovery, subjective sleep quality, time to ambulation and diet, and adverse events, as well as length of stay in hospital and anesthesia cost. Discussion Previous studies investigating the analgesic efficacy of ESPB only concentrated on a single endpoint for postoperative pain evaluation, while studies focusing on the direct comparison between ESPB and TPVB in urological surgery are still lacking. Our study is the first trial in non-inferiority design of comparing ESPB and TPVB in patient undergoing laparoscopic nephroureterectomy, and the primary outcome is the joint endpoint of opioid consumption and pain NRS score. Trial registration Chinese Clinical Trial Registry ChiCTR 2000031916 . Registered on 14 April 2020.
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spelling doaj.art-62467aaf9cab49e1878a857875349eb12022-12-21T22:39:54ZengBMCTrials1745-62152021-04-0122111010.1186/s13063-021-05173-0Ultrasound-guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy: study protocol of a randomized, double-blinded, non-inferiority design trialZhen-Zhen Xu0Xue Li1Zhen Zhang2Zheng-Ye Liu3Lin-Lin Song4Xue-Ying Li5Hong Zhang6Department of Anesthesiology and Critical Care Medicine, Peking University First HospitalDepartment of Anesthesiology and Critical Care Medicine, Peking University First HospitalDepartment of Anesthesiology and Critical Care Medicine, Peking University First HospitalDepartment of Anesthesiology and Critical Care Medicine, Peking University First HospitalDepartment of Anesthesiology and Critical Care Medicine, Peking University First HospitalDepartment of Biostatistics, Peking University First HospitalDepartment of Anesthesiology and Critical Care Medicine, Peking University First HospitalAbstract Introduction Erector spinae plane block (ESPB) is a novel inter-fascial plane block, which is applied more and more in postoperative pain control, especially in chest surgery. Regional block is advocated in order to decrease opioid consumption and improve analgesia in urological surgery. Therefore, we aimed to explore whether ESPB would have similar analgesia compared with thoracic paravertebral block (TPVB) in laparoscopic nephroureterectomy. Methods and analysis This prospective, randomized, double-blinded, non-inferiority trial will enroll 166 patients undergoing laparoscopic nephroureterectomy. Participants will be randomly assigned 1:1 into receiving ESPB or TPVB before surgery. Both ultrasound-guided ESPB and TPVB will be performed with an injection of 0.375% ropivacaine 0.4 ml/kg before anesthesia induction. Standardized patients controlled intravenous analgesia (PCIA) will be applied for each patient. The primary endpoint is the joint of cumulative 24 h opioid (sufentanil) consumption and average pain score via numeric rating scale (NRS) at 24 h after surgery. Secondary endpoints include rescued analgesic demand, cumulative opioid consumption, and pain NRS scores at different preset timepoints within 48 h after surgery. Other predefined outcomes include clinical features of blockage, quality of recovery, subjective sleep quality, time to ambulation and diet, and adverse events, as well as length of stay in hospital and anesthesia cost. Discussion Previous studies investigating the analgesic efficacy of ESPB only concentrated on a single endpoint for postoperative pain evaluation, while studies focusing on the direct comparison between ESPB and TPVB in urological surgery are still lacking. Our study is the first trial in non-inferiority design of comparing ESPB and TPVB in patient undergoing laparoscopic nephroureterectomy, and the primary outcome is the joint endpoint of opioid consumption and pain NRS score. Trial registration Chinese Clinical Trial Registry ChiCTR 2000031916 . Registered on 14 April 2020.https://doi.org/10.1186/s13063-021-05173-0Erector spinae plane blockThoracic paravertebral blockRegional anesthesia and analgesiaPain controlLaparoscopic urological surgery
spellingShingle Zhen-Zhen Xu
Xue Li
Zhen Zhang
Zheng-Ye Liu
Lin-Lin Song
Xue-Ying Li
Hong Zhang
Ultrasound-guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy: study protocol of a randomized, double-blinded, non-inferiority design trial
Trials
Erector spinae plane block
Thoracic paravertebral block
Regional anesthesia and analgesia
Pain control
Laparoscopic urological surgery
title Ultrasound-guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy: study protocol of a randomized, double-blinded, non-inferiority design trial
title_full Ultrasound-guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy: study protocol of a randomized, double-blinded, non-inferiority design trial
title_fullStr Ultrasound-guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy: study protocol of a randomized, double-blinded, non-inferiority design trial
title_full_unstemmed Ultrasound-guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy: study protocol of a randomized, double-blinded, non-inferiority design trial
title_short Ultrasound-guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy: study protocol of a randomized, double-blinded, non-inferiority design trial
title_sort ultrasound guided erector spinae plane block versus thoracic paravertebral block on postoperative analgesia after laparoscopic nephroureterectomy study protocol of a randomized double blinded non inferiority design trial
topic Erector spinae plane block
Thoracic paravertebral block
Regional anesthesia and analgesia
Pain control
Laparoscopic urological surgery
url https://doi.org/10.1186/s13063-021-05173-0
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