scholarly journals The Effects of Erector Spinae Plane Block in Terms of Postoperative Analgesia in Patients Undergoing Laparoscopic Cholecystectomy: A Meta-Analysis of Randomized Controlled Trials

2020 ◽  
Vol 9 (9) ◽  
pp. 2928
Author(s):  
Chang-Hoon Koo ◽  
Jin-Young Hwang ◽  
Hyun-Jung Shin ◽  
Jung-Hee Ryu

Ultrasound-guided erector spinae plane block (ESPB), a recent regional analgesic technique, has been used to manage acute pain after surgery. The aim of this meta-analysis is to identify the benefits of ESPB in patients undergoing laparoscopic cholecystectomy (LC). The authors searched PubMed, EMBASE, CENTRAL, CINAHL, and Web of Science to identify all randomized controlled trials (RCTs) evaluating the effects of ESPB on postoperative pain after LC. Primary outcome was defined as 24 h cumulative opioid consumption. Secondary outcomes were pain scores and the incidence of postoperative nausea and vomiting (PONV). We estimated mean differences (MD) and odds ratio (OR) using a random-effects model. A total of 8 RCTs, including 442 patients, were included in the final analysis. Postoperative opioid consumption was significantly lower in the ESPB group than in the control group (MD −4.72, 95% CI −6.00 to −3.44, p < 0.001). Compared with the control group, the ESPB group also showed significantly lower pain scores and incidence of PONV. A separate analysis of RCTs comparing ESPB with oblique subcostal transversus abdominis plane (OSTAP) block showed that the analgesic efficacy of ESPB was similar to that of OSTAP block. The results of this meta-analysis demonstrated that ESPB may provide effective postoperative analgesia in patients undergoing LC.

2020 ◽  
Author(s):  
Jiao Huang ◽  
Jing Chen Liu

Abstract Background: Ultrasound-guided Erector Spinae Plane Block (ESPB) has been increasingly applied in patients for postoperative analgesia. Its safety and effectiveness remain uncertain. This meta-analysis aimed to determine the clinical safety and efficacy of ultrasound-guided ESPB in adults undergoing general anesthesia (GA) surgeries.Methods: A systematic databases search was conducted in PubMed, Embase, and the Cochrane Library for randomized controlled trials (RCTs) comparing ESPB with control or placebo. Primary outcome was iv. opioid consumption 24 h after surgery. Standardized mean differences (SMDs) or risk ratios (RRs) with 95% confidence intervals (CIs) were calculated with a random-effects model. Results: A total of 11 RCTs consisting of 540 patients were included. Ultrasound -guided ESPB showed a reduction of iv. opioid consumption 24 h after surgery (SMD=-2.15; 95% confidence interval (CI) -2.76 to -1.5,p<0.00001), pain scores at 1st hour (SMD=-0.97;95% CI -1.84 to -0.1,p=0.03) and pain scores at 6th hour (SMD=-0.64,95% CI -1.05 to -0.23,p=0.002), Also, it lessened the number of patients who required postoperative analgesia ( RR=0.41,95% CI 0.25 to 0.66,p=0,0002) and time to first rescue analgesia (SMD=4.56,95% CI 1.89 to 7.22, p=0.0008). Differences were not significant with the pain score at 12th hour,24th hour and postoperative nausea and vomiting (PONV).Conclusions: Ultrasound-guided ESPB provides postoperative analgesic efficacy in adults undergoing GA surgeries with no increase in PONV.


Author(s):  
Jiao Huang ◽  
Jing Chen Liu

Abstract Background Ultrasound-guided Erector Spinae Plane Block (ESPB) has been increasingly applied in patients for postoperative analgesia. Its safety and effectiveness remain uncertain. This meta-analysis aimed to determine the clinical safety and efficacy of ultrasound-guided ESPB in adults undergoing general anesthesia (GA) surgeries. Methods A systematic databases search was conducted in PubMed, Embase, and the Cochrane Library for randomized controlled trials (RCTs) comparing ESPB with control or placebo. Primary outcome was iv. opioid consumption 24 h after surgery. Standardized mean differences (SMDs) or risk ratios (RRs) with 95% confidence intervals (CIs) were calculated with a random-effects model.Results A total of 11 RCTs consisting of 540 patients were included. Ultrasound -guided ESPB showed a reduction of iv. opioid consumption 24 h after surgery (SMD=-2.15; 95% confidence interval (CI) -2.76 to -1.5,p<0.00001), pain scores at 1st hour (SMD=-0.97;95% CI -1.84 to -0.1,p=0.03) and pain scores at 6th hour (SMD=-0.64,95% CI -1.05 to -0.23,p=0.002), Also, it lessened the number of patients who required postoperative analgesia (RR=0.41,95% CI 0.25 to 0.66,p=0,0002) and time to first rescue analgesia (SMD=4.56,95% CI 1.89 to 7.22, p=0.0008). Differences were not significant with the pain score at 12th hour,24th hour and postoperative nausea and vomiting (PONV). Conclusions Ultrasound-guided ESPB provides postoperative analgesic efficacy in adults undergoing GA surgeries with no increase in PONV.


2021 ◽  
Author(s):  
Chunhong Li ◽  
Zhibo Xiao ◽  
Liuli Chen ◽  
Songli Pan

Abstract Introduction: The efficacy of ketamine supplementation to bupivacaine for pain management of knee arthroscopy remains controversial. We conduct a systematic review and meta-analysis to explore the influence of ketamine supplementation to bupivacaine on the postoperative pain intensity of knee arthroscopy.Methods: We have searched PubMed, EMbase, Web of science, EBSCO, and Cochrane library databases through July 2021 for randomized controlled trials (RCTs) assessing the effect of ketamine supplementation to bupivacaine on pain control of knee arthroscopy. This meta-analysis is performed using the random-effect model.Results: Four RCTs are included in the meta-analysis. Overall, compared with control group for knee arthroscopy, ketamine supplementation remarkably decreases pain scores at 30 min (SMD=-0.98; 95% CI=-1.42 to -0.55; P<0.00001) and number of additional analgesics (OR=0.27; 95% CI=0.10 to 0.71; P=0.008), but reveals no significant impact on pain scores at 1 h (SMD=-1.34; 95% CI=-3.42 to 0.73; P=0.20), pain scores at 6 h (SMD=-0.33; 95% CI=-1.39 to 0.72; P=0.53), time of first analgesic requirement (SMD=1.27; 95% CI=-0.95 to 3.49; P=0.26) or additional analgesic consumption (SMD=-2.25; 95% CI=-5.89 to 1.40; P=0.23). Conclusions: Ketamine supplementation may improve the pain control when in combination with bupivacaine for knee arthroscopy.


2021 ◽  
Vol 82 (02) ◽  
pp. 161-165
Author(s):  
Ming Deng ◽  
Hui Huang ◽  
Yong-gang Ma ◽  
Yan Zhou ◽  
Qing Chen ◽  
...  

Abstract Introduction Intradiskal injection of methylene blue has some potential in alleviating discogenic back pain. This meta-analysis aims to explore the impact of intradiskal injection of methylene blue for discogenic back pain. Methods Several databases such as PubMed, EMbase, Web of Science, EBSCO, and Cochrane Library databases have been searched through November 2019, and randomized controlled trials (RCTs) assessing the effect of intradiskal injection of methylene blue for discogenic back pain are included. Results Three RCTs are included in the meta-analysis. Overall, compared with control group for discogenic back pain, intradiskal injection of methylene blue remarkably decreased pain scores at 3 months (mean difference [MD] = –0.71; 95% confidence interval [CI] = –0.96 to –0.46; p < 0.00001) and 6 months (MD = –13.92; 95% CI = –22.31 to –5.54; p = 001) and Oswestry Disability Index (ODI) at 4 to 6 weeks (MD = –10.39; 95% CI = –16.95 to –3.83; p = 0.002) and 3 months (MD = –3.66; 95% CI = –4.85 to –2.48; p < 0.00001), but demonstrated no obvious effect on ODI at 6 months (MD = –11.76; 95% CI = –33.33 to 9.80; p = 0.28). Conclusions Intradiskal injection of methylene blue can substantially decrease pain scores and improve function for discogenic back pain.


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