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Analgesic Efficacy of Erector Spinae Plane Block Compared with Intrathecal Morphine After Elective Cesarean Section: A Prospective Randomized Controlled Study.

ABSTRACT: Background:We aimed to assess the efficacy of ultrasound-guided bilateral erector spinae plane block (ESPB) compared to intrathecal morphine (ITM) for analgesia after elective cesarean delivery under spinal anesthesia. Methods:In total, 140 parturients scheduled for elective cesarean section under spinal anesthesia were randomly allocated into two equal groups. The ESPB-group received 10 mg hyperbaric bupivacaine intrathecally through spinal anesthesia, followed by an ESPB at the ninth thoracic transverse process with 20 mL of 0.5% bupivacaine immediately after the operation. The ITM-group received 10 mg hyperbaric bupivacaine with 100 mcg morphine intrathecally through spinal anesthesia, followed by a sham block at the end of the surgery. The visual analogue scale (VAS) score for pain at several postoperative time points, total opioid consumption, and time to the first analgesic request were evaluated. Statistical analysis was performed with the independent t-test and linear mixed-effects models. The Kaplan-Meier estimator and the log-rank test were used to compare the primary and secondary outcomes of the groups. Results:No significant differences were observed between the groups regarding patient characteristics; in the post-operative period (0-24 hrs), VAS scores (at rest) were, on average, 0.25 units higher in the ITM group. The total tramadol consumption in the first 24 hrs was significantly higher in the ITM group than in the ESPB group (101.71 ± 25.67 mg vs 44 ± 16.71 mg, respectively). The time to the first analgesic request was 4.93±0.82 hrs in the ITM group and 12±2.81 hrs in the ESPB group. Patient satisfaction did not differ significantly. Conclusion:ESPB has a successful postoperative analgesic effect and may limit opioid consumption in parturients undergoing elective caesarean delivery.

SUBMITTER: Hamed MA

PROVIDER: S-EPMC7102879 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Analgesic Efficacy of Erector Spinae Plane Block Compared with Intrathecal Morphine After Elective Cesarean Section: A Prospective Randomized Controlled Study.

Hamed Mohamed Ahmed MA Yassin Hany Mahmoud HM Botros Joseph Makram JM Abdelhady Mahdy Ahmed MA

Journal of pain research 20200324

<h4>Background</h4>We aimed to assess the efficacy of ultrasound-guided bilateral erector spinae plane block (ESPB) compared to intrathecal morphine (ITM) for analgesia after elective cesarean delivery under spinal anesthesia.<h4>Methods</h4>In total, 140 parturients scheduled for elective cesarean section under spinal anesthesia were randomly allocated into two equal groups. The ESPB-group received 10 mg hyperbaric bupivacaine intrathecally through spinal anesthesia, followed by an ESPB at the ...[more]

PMID: 32273748

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Project description:BackgroundColorectal cancer is quite common, and surgery is the most effective treatment for most patients. However, postoperative pain management is generally inadequate in most patients. This study aimed to determine the effect of ultrasonography (USG)-guided preemptive erector spina plan block (ESPB), as part of multimodal analgesia, on postoperative analgesia in patients undergoing colorectal cancer surgery. METHODS: This is a prospective, randomized, single-blind trial. This study included 60 patients (ASA I-II) who underwent colorectal surgery at the hospital of Ondokuz Mayis University. The patients were divided into the ESP group and control group. Intraoperatively, all patients were administered intravenous tenoxicam (20 mg) and paracetamol (1 g) as part of multimodal analgesia. Intravenous morphine via patient-controlled analgesia was administered in all groups postoperatively. The primary outcome was the total morphine consumption in the first 24 h after surgery. The secondary outcomes included visual analog scale pain scores at rest and coughing and deep inspiration in the first 24 h and at 3 months postoperatively; number of patients requesting rescue analgesia; incidence of nausea and vomiting and need for antiemetics; intraoperative remifentanil consumption; postoperative first oral intake; time to first urination, first defecation, and first mobilization; hospitalization time; and incidence of pruritus.ResultsMorphine consumption in the first 6 h postoperatively, total amount of morphine consumed in the first 24 h postoperatively, pain scores, intraoperative remifentanil consumption, incidence of pruritus, and postoperative antiemetic requirement were lower in the ESP group than in the control group. First defecation time and hospitalization time were shorter in the block group.ConclusionsAs a part of multimodal analgesia, ESPB reduced postoperative opioid consumption and pain scores in the early postoperative period and in the 3rd month.

Project description:BackgroundParavertebral block (PVB) is the most recognized regional anesthesia technique after thoracic epidural anesthesia for postoperative analgesia in thoracic and breast surgery. Erector spinae plane block (ESPB) is a recently discovered blocking technique, and it has evidenced excellent postoperative analgesia for breast and thoracic surgery with fewer adverse reactions. However, there are controversies about the postoperative analgesic effects of the two analgesic techniques.ObjectiveTo assess the analgesic effects of PVB versus ESPB in postoperative thoracic and breast surgery.MethodsWe systematically searched PubMed, Cochrane Library, EMBASE, Web of Science, and ScienceDirect databases up to April 5, 2021. The primary outcome was postoperative pain scores. Secondary outcomes included: opioid consumption, additional analgesia, postoperative nausea and vomiting (PONV) 24 hours post-operation, and the time required for completing block procedure. This study was registered in PROSPERO, number CRD42021246160.ResultsAfter screening relevant, full-text articles, ten randomized controlled trials (RCTs) that met the inclusion criteria were retrieved for this meta-analysis. Six studies involved thoracic surgery patients, and four included breast surgery patients. Thoracic surgery studies included all of the outcomes involved in this meta-analysis while breast surgery did not report pain scores at movement and additional analgesia in 24 hours post-operation. For thoracic surgery, PVB resulted in significant reduction in the following pain scores: 0-1 hours (MD = -0.79, 95% CI: -1.54 to -0.03, P = 0.04), 4-6 hours (MD = -0.31, 95% CI: -0.57 to -0.05, P = 0.02), and 24 hours (MD = -0.42, 95% CI: -0.81 to -0.02, P = 0.04) at rest; significant reduction in pain scores at 4-6 hours (MD = -0.47, 95% CI: -0.93 to -0.01, P = 0.04), 8-12 hours (MD = -1.09, 95% CI: -2.13 to -0.04, P = 0.04), and 24 hours (MD = -0.31, 95% CI: -0.57 to -0.06, P = 0.01) at movement. Moreover, the opioid consumption at 24 hours post-operation (MD = -2.74, 95% CI: -5.41 to -0.07, P = 0.04) and the incidence of additional analgesia in 24 hours of the postoperative course (RR: 0.53, 95% CI: 0.29 to 0.97, P = 0.04) were significantly lower in the PVB group than in the ESPB group for thoracic surgery. However, no significant differences were found in pain scores at rest at various time points postoperatively, and opioid consumption at 24 hours post-operation for breast surgery. The time required for completing block procedure was longer in the PVB group than in the ESPB group for thoracic and breast surgery, and the incidence of PONV between the two groups showed no significant difference.ConclusionThe postoperative analgesic effects of PVB versus ESPB are distinguished by the surgical site. For thoracic surgery, the postoperative analgesic effect of PVB is better than that of ESPB. For breast surgery, the postoperative analgesic effects of PVB and ESPB are similar.

Project description:BackgroundAlthough laparoscopic cholecystectomy (LC) is a minimally invasive surgery, it can cause moderate to severe postoperative pain. Erector spinae plane (ESP) and transversus abdominis plane (TAP) blocks are considered effective means for pain management in such cases; however, there is inconclusive evidence regarding their analgesic efficacy. This meta-analysis aimed to compare the efficacy of ESP block and TAP block for pain control in LC.MethodsWe systematically searched Medline, PubMed, Scopus, Embase, and Google Scholar until 26 January 2024. All randomized clinical trials compared the efficacy of erector spinae plane block (ESPB) and transversus abdominis plane block (TAPB) for postoperative pain relief after LC. The primary outcomes were pain scores at rest and on movement at 1, 2, 6, 12, and 24 h postoperatively. The secondary outcomes were total opioid consumption, first analgesia request time, and rates of postoperative nausea and vomiting. We analyzed all the data using RevMan 5.4.ResultsA total of 8 RCTs, involving 542 patients (271 in the ESPB group and 271 in the TAPB group), were included in the analysis. The ESP block demonstrated statistically significant lower pain scores at rest and on movement than the TAP block at all-time points except at the 1st and 6th h on movement postoperatively; however, these differences were not considered clinically significant. Additionally, patients who received the ESP block required less morphine and had a longer time before requesting their first dose of analgesia. There were no significant differences in postoperative nausea and vomiting incidence between the two groups.ConclusionIn patients undergoing LC, there is moderate evidence to suggest that the ESP block is effective in reducing pain severity, morphine equivalent consumption, and the time before the first analgesia request when compared to the TAP block during the early postoperative period.Systematic review registration: PROSPERO CRD42024505635, https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42024505635.

Dataset Information

Analgesic Efficacy of Erector Spinae Plane Block Compared with Intrathecal Morphine After Elective Cesarean Section: A Prospective Randomized Controlled Study.

Publications

Analgesic Efficacy of Erector Spinae Plane Block Compared with Intrathecal Morphine After Elective Cesarean Section: A Prospective Randomized Controlled Study.

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