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El-Amrawy WZ, El-Attar AM. Classical TAP vs. I TAP Using the Same Dose of Local Anesthetic in Elective Cesarean Section: A Randomized Controlled Trial. Pain Ther 2024; 13:495-508. [PMID: 38300395 PMCID: PMC11111634 DOI: 10.1007/s40122-023-00564-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Accepted: 11/10/2023] [Indexed: 02/02/2024] Open
Abstract
INTRODUCTION The effectiveness of postoperative pain control following a Cesarean section influences mother-child attachment, improves early healing, and undoubtedly hastens discharge. Transverse abdominis plane (TAP) and ilioinguinal iliohypogastric (ILIH) blocks have been used to minimize postoperative opioid intake, although their relative effectiveness is unknown. The study aims to determine which procedure was more effective at reducing the need for postoperative rescue analgesics after lower segment Cesarean section (LSCS). TAP block or I TAP (TAP block plus ilioinguinal iliohypogastric nerve block). Both procedures used the same amount of local anesthetic. METHODS A sealed envelope technique was used to randomly assign 210 patients who received LSCS into two equal groups to receive either ultrasound (US)-guided TAP block or US-guided ILIH nerve block with US-guided TAP block at the conclusion of the procedure. As per the study protocol, the charge nurse in the postoperative ward gave rescue analgesics to patients who complained of discomfort. At hours 0, 2, 4, 6, 8, 10, and 24 following surgeries, a blinded observer checked on the patient and noted the effectiveness of pain management, the quantity of rescue analgesics used, and patient satisfaction. RESULTS While there was a substantial decrease in pain score while resting at 2, 3, 4, 8, 12, 16, 20, and 24 postoperative hours in the ITAP group, there was not a significant change in visual analogue scale (VAS) score at the first postoperative hour. However, there was a large delay in the first request for analgesia in the ITAP group (13.15 ± 1.85) as opposed to the TAP group (10.06 ± 1.61) and there was a significant decline in nalbuphine use as well as a higher satisfaction score in the ITAP group. CONCLUSIONS Following LSCS, ITAP block offered better postoperative analgesia than TAP block in terms of quality.
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Affiliation(s)
- Wessam Zakaria El-Amrawy
- Department of Anesthesia and Surgical Intensive Care, Faculty of Medicine, Alexandria University, Alexandria, Egypt.
| | - Ahmed Mohamed El-Attar
- Department of Anesthesia and Surgical Intensive Care, Faculty of Medicine, Alexandria University, Alexandria, Egypt
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Richards DC, Dunn BA, Chellappa VR, John CR, Davis WB. Postoperative pain control and opioid use with transversus abdominis plane block and scheduled multimodal pain management in patients undergoing cesarean section. Int J Gynaecol Obstet 2024. [PMID: 38798146 DOI: 10.1002/ijgo.15699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 04/19/2024] [Accepted: 05/11/2024] [Indexed: 05/29/2024]
Abstract
OBJECTIVE The impact of a transversus abdominis plane (TAP) block in patients undergoing cesarean section requires further evaluation. The aim of this study was to compare postoperative pain scores and opioid use in cesarean surgery patients undergoing either a TAP block and scheduled multimodal pain management (SMPM) or SMPM alone. METHODS In this retrospective, dual cohort study, cesarean surgery patients underwent neuraxial anesthesia and a TAP block (SMPM/TAP) or SMPM; the TAP block incorporated ropivacaine (20-30 mL) administered bilaterally. The group analyses involved a comparison of postoperative pain scores using the visual analog scale and opioid consumption at 24 and 24-48 h. RESULTS There were 94 (52.8%) patients in the SMPM/TAP group and 84 (47.2%) subjects in the SMPM alone group. At 24 h postoperatively, the SMPM/TAP group exhibited significantly lower pain scores (4.07 vs 4.54) than the SMPM group (P < 0.001) and reduced opioid consumption (2.29 vs 3.28 mg; P < 0.001). However, at 24-48 h, the SMPM group demonstrated lower pain scores (5.46 vs 5.98) compared to the SMPM/TAP group (P < 0.001) and reduced opioid consumption (8.75 vs 10.21 mg; P < 0.001); overall opioid consumption was higher (12.50 vs 12.02 mg) in the SMPM/TAP group (P < 0.001). CONCLUSION The TAP block improved cesarean surgery patients' pain scores and reduced opioid consumption at 24 h postoperatively but the effect of the TAP block was ephemeral as the SMPM/TAP group exhibited inferior pain scores and greater opioid consumption compared to the SMPM group at 24-48 h postoperatively.
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Affiliation(s)
- David C Richards
- Newport Harbor Anesthesia Consultants, Newport Beach, California, USA
| | - Brian A Dunn
- Newport Harbor Anesthesia Consultants, Newport Beach, California, USA
| | - Vivek R Chellappa
- Newport Harbor Anesthesia Consultants, Newport Beach, California, USA
| | - Cameron R John
- Department of Behavioral Sciences, Utah Valley University, Orem, Utah, USA
| | - Warren B Davis
- Newport Harbor Anesthesia Consultants, Newport Beach, California, USA
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De Leon F, Alghannam K, Gul HL, Goussous N, Mineyev N, Than PA, Perez RV, Sageshima J. Effectiveness of Postoperative Single-shot and Continuous Transverse Abdominis Plane Block Compared to Conventional Analgesia in Hand-assisted Laparoscopic Live-donor Nephrectomy. Transplant Direct 2024; 10:e1581. [PMID: 38380346 PMCID: PMC10876253 DOI: 10.1097/txd.0000000000001581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/02/2023] [Accepted: 12/08/2023] [Indexed: 02/22/2024] Open
Abstract
Background Few studies have evaluated the efficacy of transverse abdominis plane (TAP) block in patients undergoing hand-assisted laparoscopic live-donor nephrectomy (HALN). We aimed to evaluate the analgesic effectiveness of TAP block as part of a multimodal pain management regimen in patients undergoing HALN. Methods We retrospectively reviewed the medical records of living kidney donors at our center between June 2016 and February 2020. HALNs were performed via a transperitoneal approach through a suprapubic incision. Additional laparoscopic ports were used in the upper midabdomen. In consenting donors, TAP block was performed postoperatively under ultrasound guidance with either a single-shot or continuous infusion of long-acting local anesthetic (0.2%-0.5% ropivacaine). All the patients received postoperative around-the-clock ketorolac and acetaminophen. Results Overall, 72 donors received the block (block group, 38 single-shot, 34 continuous), whereas 86 donors did not receive the block (control group). Baseline characteristics were comparable between the groups except for body weight (control: 71.8 ± 13.3 versus block: 77.8 ± 17.3 kg; P = 0.01) and intraoperative opioid dose (32.1 ± 9.6 versus 26.6 ± 10.7 morphine milligram equivalents; P < 0.001). After adjusting for baseline differences, postoperative opioid requirements were similar between the groups. When the baseline pain scale was adjusted for, there was no difference in the overall pain scale scores between the groups (P = 0.242). Subgroup analyses comparing single-shot or continuous TAP versus control did not show any differences. Conclusions With the caveat of the retrospective nature of the study, the adjunctive effect of TAP block after transabdominal HALN was limited when other multimodal analgesia was used.
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Affiliation(s)
- Fransia De Leon
- School of Medicine, University of California Davis, Sacramento, CA
| | - Karima Alghannam
- Department of Surgery, University of California Davis, Sacramento, CA
| | - Hadia Lala Gul
- Department of Internal Medicine, University of California Davis, Sacramento, CA
| | - Naeem Goussous
- Department of Surgery, University of California Davis, Sacramento, CA
| | - Neal Mineyev
- Department of Surgery, University of California Davis, Sacramento, CA
| | - Peter A Than
- Department of Surgery, University of California Davis, Sacramento, CA
| | - Richard V Perez
- Department of Surgery, University of California Davis, Sacramento, CA
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Zeng J, Hong A, Gu Z, Jian J, Liang X. Efficacy of transversus abdominis plane block on postoperative nausea and vomiting: a meta-analysis of randomized controlled trial. BMC Anesthesiol 2024; 24:87. [PMID: 38429757 PMCID: PMC10905943 DOI: 10.1186/s12871-024-02469-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 02/24/2024] [Indexed: 03/03/2024] Open
Abstract
BACKGROUND Postoperative nausea and vomiting (PONV) is a common postoperative complication, and Transversus abdominis plane (TAP) block can provide effective analgesia for surgical operation. However, but there is not enough evidence to prove its advantage for nausea and vomiting. The objective of this meta-analysis was to evaluate the efficacy of TAP block on PONV. METHODS Two independent researchers conducted searches for randomized controlled trials (RCTs) in PubMed, Embase, and Cochrane Central Register of Controlled Trials. We used Review Manager software for meta-analysis. RESULTS In this meta-analysis, twenty-six trials with 1981 patients were examined. The results showed that TAP block reduced postoperative nausea (Risk Difference (RD) = -0.10, 95% confidence interval (CI): -0.15 to -0.05) compared with no TAP block. TAP block reduced the dose of fentanyl (Standardized Mean Difference (SMD) = -1.17, 95% CI: -2.07 to -0.26) and morphine (SMD = -1.12, 95% CI: -2.10 to -0.13) compared with no TAP block, when the timing of administration was before surgery (RD = -0.13, 95% CI: -0.19 to -0.07). TAP block reduced postoperative nausea when the ropivacaine dosage is ≤ 100 mg (RD = -0.13, 95% CI: -0.21 to -0.06), bupivacaine dosage ≥ 100 mg ( RD = -0.08, 95% CI: -0.13 to -0.03), and when the ropivacaine concentration was ≤ 0.375% (RD = -0.11, 95% CI: -0.18 to -0.04). TAP block significantly reduced the incidence of nausea when the types of opioid drugs in PCA is tramadol (RD = -0.13, 95% CI: -0.24 to -0.03). TAP block could reduce the VAS (SMD= -0.99, 95% CI: -1.29 to -0.70) and reduce the time of extubation (SMD = -0.71, 95% CI: -1.34 to -0.08). CONCLUSION The meta-analysis conducted in this study revealed that TAP block could reduce the incidence of PONV, and the efficacy of TAP block may be influenced by factors such as administration time, local anesthetic dosage and concentration, types of opioid drugs in PCA.
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Affiliation(s)
- Jinfang Zeng
- Department of Anesthesiology, Jiangnan University Medical Center, Affiliated Wuxi Clinical College of Nantong University, Wuxi, 214002, China.
| | - Aonan Hong
- Department of Anesthesiology, Affiliated Hospital of Nanjing, University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, 210000, China
| | - Zhen Gu
- Department of Anesthesiology, Jiangnan University Medical Center, Affiliated Wuxi Clinical College of Nantong University, Wuxi, 214002, China
| | - Jinjin Jian
- Department of Anesthesiology, Affiliated Hospital of Jiangnan University, Wuxi, 214002, China
| | - Xiao Liang
- Department of Anesthesiology, Jiangnan University Medical Center, Affiliated Wuxi Clinical College of Nantong University, Wuxi, 214002, China.
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Gui YK, Zeng XH, Xiao R, Xi WF, Zhang D, Liu Y, Zhu SH, Da X, Shi DW, Hu XD, Xu GH. The Effect of Dezocine on the Median Effective Dose of Sufentanil-Induced Respiratory Depression in Patients Undergoing Spinal Anesthesia Combined with Low-Dose Dexmedetomidine. Drug Des Devel Ther 2023; 17:3687-3696. [PMID: 38090026 PMCID: PMC10712329 DOI: 10.2147/dddt.s429752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/19/2023] [Indexed: 12/18/2023] Open
Abstract
Purpose The application of sedation and analgesia in spinal anesthesia has many benefits, but the risk of respiratory depression (RD) caused by opioids cannot be ignored. We aimed to observe the effect of dezocine, a partial agonist of μ-receptor, on the median effective dose (ED50) of sufentanil-induced RD in patients undergoing spinal anesthesia combined with low-dose dexmedetomidine. Patients and Methods Sixty-two patients were randomly assigned to dezocine group (DS) and control group (MS). After spinal anesthesia, mask oxygen (5 L/min) and dexmedetomidine (0.1 ug/kg) were given. Five minutes later, patients in the DS group received an Intravenous (IV) bolus of sufentanil and 0.05mg/kg dezocine, while patients in the MS group only received an IV bolus of sufentanil. Results ED50 of DS group was 0.342 ug/kg, 95% confidence interval (CI) was (0.269, 0.623) ug/kg, and the ED50 of MS group was 0.291 ug/kg, 95% CI was (0.257, 0.346) ug/kg. There was no difference in the type and treatment measures of RD and hemodynamic changes between the two groups, and no serious adverse reactions occurred in either group. Conclusion Dezocine can improve RD induced by sufentanil in patients with spinal anesthesia combined with low-dose dexmedetomidine, and increase the safety window of sufentanil use.
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Affiliation(s)
- Yong-Kang Gui
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
| | - Xiao-Hui Zeng
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
| | - Rui Xiao
- Department of Anesthesiology, Fuyang Hospital of Anhui Medical University, Fuyang, Anhui, 236113, People’s Republic of China
| | - Wen-Feng Xi
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Department of Anesthesiology, Fuyang Hospital of Anhui Medical University, Fuyang, Anhui, 236113, People’s Republic of China
| | - Dan Zhang
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Department of Anesthesiology, Fuyang Hospital of Anhui Medical University, Fuyang, Anhui, 236113, People’s Republic of China
| | - Yang Liu
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
| | - Si-Hui Zhu
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
| | - Xin Da
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
| | - De-Wen Shi
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
| | - Xu-Dong Hu
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
| | - Guang-Hong Xu
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Key Laboratory of Anesthesiology and Perioperative Medicine of Anhui Higher Education Institutes, Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
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Sangkum L, Tangjitbampenbun A, Chalacheewa T, Brennan K, Liu H. Peripheral Nerve Blocks for Cesarean Delivery Analgesia: A Narrative Review. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1951. [PMID: 38004000 PMCID: PMC10673165 DOI: 10.3390/medicina59111951] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/23/2023] [Accepted: 10/31/2023] [Indexed: 11/26/2023]
Abstract
Effective postoperative analgesia using multimodal approach improves maternal and neonatal outcomes after cesarean delivery. The use of neuraxial approach (local anesthetic and opioids) and intravenous adjunctive drugs, such as nonsteroidal anti-inflammatory drugs and acetaminophen, currently represents the standard regimen for post-cesarean delivery analgesia. Peripheral nerve blocks may be considered in patients who are unable to receive neuraxial techniques; these blocks may also be used as a rescue technique in selected patients. This review discusses the relevant anatomy, current evidence, and advantages and disadvantages of the various peripheral nerve block techniques. Further research is warranted to compare the analgesic efficacy of these techniques, especially newer blocks (e.g., quadratus lumborum blocks and erector spinae plane blocks). Moreover, future studies should determine the safety profile of these blocks (e.g., fascial plane blocks) in the obstetric population because of its increased susceptibility to local anesthetic toxicity.
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Affiliation(s)
- Lisa Sangkum
- Department of Anesthesiology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (L.S.); (A.T.); (T.C.)
| | - Amornrat Tangjitbampenbun
- Department of Anesthesiology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (L.S.); (A.T.); (T.C.)
| | - Theerawat Chalacheewa
- Department of Anesthesiology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand; (L.S.); (A.T.); (T.C.)
| | - Kristin Brennan
- Department of Anesthesiology, Penn Medicine Lancaster General Hospital, 555 N Duke St., Lancaster, PA 17602, USA;
| | - Henry Liu
- Department of Anesthesiology and Critical Care, Perelman School of Medicine, The University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA
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Yan ZR, Chen LJ, Zhang SJ, Zhang LX, Lu H, Zhang L, Liu M, Zhou M, Lin LH. The transversus abdominis plane block in conjunction with intrathecal morphine use after cesarean section in women with severe pre-eclampsia: a randomized controlled trial. BMC Anesthesiol 2023; 23:100. [PMID: 36997853 PMCID: PMC10061731 DOI: 10.1186/s12871-023-02061-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 03/21/2023] [Indexed: 03/31/2023] Open
Abstract
Abstract
Background
The transversus abdominis plane (TAP) block in conjunction with intrathecal morphine has been demonstrated to provide more superior postcesarean analgesia to intrathecal morphine alone. However, the analgesia efficacy of their conjunction has not been demonstrated in patients with severe pre-eclampsia. The study aimed to compare the postcesarean analgesia of TAP block in conjunction with intrathecal morphine versus intrathecal morphine alone in women with severe pre-eclampsia.
Methods
Pregnant women with severe pre-eclampsia undergoing planned cesarean section were randomly allocated into 2 groups to receive TAP block with 20 ml of 0.35% Ropivacaine (TAP group) or with the same volume of 0.9% saline (Sham group) after undergoing elective cesarean section under spinal anaesthesia with 15 mg of 0.5% Ropivacaine plus 0.1 mg of morphine. The outcomes for this analysis include the visual analog scale (VAS) pain score at rest and with movement at 4,8,12,24 h after TAP block was performed, times of use of intravenous patient-controlled analgesia (PCA) within 12 h after anesthesia, the occurrence of maternal side effects, maternal satisfaction, and Apgar score at 1 and 5 min of newborns.
Results
119 subjects receive TAP block with 0.35% Ropivacaine (n = 59)or 0.9% saline (n = 60). At 4,8, 12 h after TAP block, the TAP group reported lower VAS score at rest [at 4 h: 1(0,1) vs. 1(1,2), P < 0.001; at 8 h:1(1,1) vs. 1(1.5,2),P < 0.001; at 12 h:1(1,2) vs. 2(1,2),P = 0.001] and higher satisfaction [53(89.9%) vs.45(75.0%), P < 0.05]. There were no differences between groups in VAS score at 24 h at rest and at all time points above with movement, times of use of PCA within 12 h after anesthesia, maternal side-effect, and Apgar score at 1 and 5 min of newborns.
Conclusions
In conclusion, The TAP block performed in conjunction with intrathecal morphine may not reduce opioid consumption, but it could reduce VAS scores at rest in the first 12 h after cesarean section in women with severe pre-eclampsia, and improve maternal satisfaction, which is worthy of clinical promotion.
Trial registration
Registered at Chinese Clinical Trial Registry(http://www.chictr.org.cn) on 13/12/2021: ChiCTR2100054293.
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Muacevic A, Adler JR, Gupta V, Verma S. Ultrasound-Guided Transversus Abdominis Plane Block Versus Single-Shot Epidural Block for Postoperative Analgesia in Patients Undergoing Inguinal Hernia Surgery. Cureus 2023; 15:e33876. [PMID: 36819433 PMCID: PMC9933787 DOI: 10.7759/cureus.33876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2023] [Indexed: 01/19/2023] Open
Abstract
Background Transversus abdominis plane (TAP) block and epidural analgesia are two frequently used regional anaesthesia techniques that attenuate postoperative pain after inguinal hernia repair. Aim To compare the analgesic efficacy between the single-shot epidural block and TAP block for postoperative analgesia in patients undergoing inguinal hernia repair surgery. Methods Forty patients of either gender undergoing elective inguinal hernia surgery of American Society of Anesthesiologists (ASA) class Ⅰ and Ⅱ were randomly allocated into two groups. Group E received a single-shot epidural with 20 ml of 0.25% bupivacaine. Group T received a TAP block with 20 ml of 0.25% bupivacaine under ultrasound guidance. Postoperative pain was evaluated by the visual analog scale (VAS). Rescue analgesia was given on VAS score ≥ 4 or on-demand in the postoperative period. The primary outcome included VAS score at 15 min, 1st h, 2nd h, 6th h, 12th h, and 24th h after the block. The secondary outcome was the analgesia duration, the total rescue analgesia dose required, and the patient satisfaction level. Results The VAS pain scores were significantly lower in the epidural group compared to the TAP group at the 2nd, 6th, 12th, and 24th h postoperatively (p<0.0001). The mean duration of analgesia was significantly more in Group E (576.75±96.64 min) compared to Group T (276.75±105.56 min). The total analgesic consumption was seen significantly more in 24 h in Group T than in Group E. Patient satisfaction score was significantly higher with a mean value of 5.55±0.6 in group E compared to 4.75±0.72 in group T. Conclusion A single-shot epidural provides better postoperative pain control than a TAP block. The duration of the first analgesic demand was prolonged, with less analgesic consumption in the epidural group.
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Ryu C, Choi GJ, Jung YH, Baek CW, Cho CK, Kang H. Postoperative Analgesic Effectiveness of Peripheral Nerve Blocks in Cesarean Delivery: A Systematic Review and Network Meta-Analysis. J Pers Med 2022; 12:jpm12040634. [PMID: 35455750 PMCID: PMC9033028 DOI: 10.3390/jpm12040634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/05/2022] [Accepted: 04/10/2022] [Indexed: 02/01/2023] Open
Abstract
The purpose of this systematic review and network meta-analysis was to determine the analgesic effectiveness of peripheral nerve blocks (PNBs), including each anatomical approach, with or without intrathecal morphine (ITMP) in cesarean delivery (CD). All relevant randomized controlled trials comparing the analgesic effectiveness of PNBs with or without ITMP after CD until July 2021. The two co-primary outcomes were designated as (1) pain at rest 6 h after surgery and (2) postoperative cumulative 24-h morphine equivalent consumption. Secondary outcomes were the time to first analgesic request, pain at rest 24 h, and dynamic pain 6 and 24 h after surgery. Seventy-six studies (6278 women) were analyzed. The combined ilioinguinal nerve and anterior transversus abdominis plane (II-aTAP) block in conjunction with ITMP had the highest SUCRA (surface under the cumulative ranking curve) values for postoperative rest pain at 6 h (88.4%) and 24-h morphine consumption (99.4%). Additionally, ITMP, ilioinguinal-iliohypogastric nerve block in conjunction with ITMP, lateral TAP block, and wound infiltration (WI) or continuous infusion (WC) below the fascia also showed a significant reduction in two co-primary outcomes. Only the II-aTAP block had a statistically significant additional analgesic effect compared to ITMP alone on rest pain at 6 h after surgery (−7.60 (−12.49, −2.70)). In conclusion, combined II-aTAP block in conjunction with ITMP is the most effective post-cesarean analgesic strategy with lower rest pain at 6 h and cumulative 24-h morphine consumption. Using the six described analgesic strategies for postoperative pain management after CD is considered reasonable. Lateral TAP block, WI, and WC below the fascia may be useful alternatives in patients with a history of sensitivity or severe adverse effects to opioids or when the CD is conducted under general anesthesia.
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Affiliation(s)
- Choongun Ryu
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
| | - Geun Joo Choi
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
| | - Yong Hun Jung
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
| | - Chong Wha Baek
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
| | - Choon Kyu Cho
- Department of Anesthesiology and Pain Medicine, College of Medicine, Konyang University, Daejeon 35365, Korea;
| | - Hyun Kang
- Department of Anesthesiology and Pain Medicine, College of Medicine, Chung-Ang University, Seoul 06911, Korea; (C.R.); (G.J.C.); (Y.H.J.); (C.W.B.)
- Correspondence: ; Tel.: +82-2-6299-2586
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Singh NP, Monks D, Makkar JK, Palanisamy A, Sultan P, Singh PM. Efficacy of regional blocks or local anaesthetic infiltration for analgesia after caesarean delivery: a network meta-analysis of randomised controlled trials. Anaesthesia 2021; 77:463-474. [PMID: 34958680 DOI: 10.1111/anae.15645] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/26/2021] [Indexed: 01/15/2023]
Abstract
Caesarean delivery is common and can cause severe postoperative pain but injection of local anaesthetic at various sites for regional blocks or local anaesthetic infiltration may reduce this. We aimed to compare and rank these sites. We searched PubMed, Google Scholar, EMBASE and CENTRAL to June 2021 for randomised controlled trials and performed a random-effects Bayesian model network meta-analysis. The primary outcome was dose of parenteral morphine equivalents in the first 24 postoperative hours. We used surface under cumulative ranking probabilities to order techniques. We analysed 114 trials (8730 participants). The ordered mean (95% credible interval) reduction in morphine equivalents, from 34 mg with placebo, were as follows: ilio-inguinal 15 (1-32) mg; ilio-inguinal-iliohypogastric 13 (6-19) mg; transversalis fascia 11 (4-26) mg; erector spinae 11 (10-32); transverse abdominis 9 (4-13) mg; wound catheter infusion 8 (2-15) mg; quadratus lumborum 8 (1-15) mg; wound infiltration 8 (2-13) mg; and no intervention -4 (-10 to 2) mg. Ordered efficacies for injection sites were different for other relevant outcomes, including pain (to 4-6 h and to 24 h) and time to rescue analgesia: there was no single preferred route of injection. The ordered mean (95% credible interval) reduction in dynamic pain scores (0-10 scale) at 24 h compared with placebo were as follows: wound infusion 1.2 (0.2-2.1); erector spinae 1.3 (-0.5 to 3.1); quadratus lumborum 1.0 (0.1-1.8); ilio-inguinal-iliohypogastric 0.6 (-0.5 to 1.8); transverse abdominis 0.6 (-0.1 to 1.2); wound infiltration 0.5 (-0.3 to 1.3); transversalis fascia -0.8 (-3.4 to 1.9); ilio-inguinal -0.9 (-3.6 to 1.7); and no intervention -0.8 (-1.8 to 0.2). We categorised our confidence in effect sizes as low or very low.
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Affiliation(s)
- N P Singh
- Department of Anaesthesia, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University, Mullana-Ambala, India
| | - D Monks
- Department of Anesthesia, Washington University, Saint Louis, MO, USA
| | - J K Makkar
- Department of Anaesthesia and Intensive care, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - A Palanisamy
- Department of Anesthesia, Washington University, Saint Louis, MO, USA
| | - P Sultan
- Department of Anesthesia, Stanford University School of Medicine, Stanford, CA, USA
| | - P M Singh
- Department of Anesthesia, Washington University, Saint Louis, MO, USA
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11
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Nayak NS, Kalpana K, Dhanpal R, Tudu LC, Prakash J. Comparative Study of the Analgesic Efficacy of Intrathecal Fentanyl with Ultrasound-Guided Transversus Abdominis Plane Block after Lower Segment Cesarean Section. Anesth Essays Res 2021; 15:101-106. [PMID: 34667355 PMCID: PMC8462421 DOI: 10.4103/aer.aer_80_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 07/04/2021] [Accepted: 07/04/2021] [Indexed: 11/24/2022] Open
Abstract
Background: This study was conducted to compare the analgesic efficacy of intrathecal fentanyl with ultrasound-guided transversus abdominis plane (TAP) block after lower segment cesarean section. The objectives of the study were to compare the effects of subarachnoid fentanyl versus TAP block with respect to duration of postoperative analgesia, time for first analgesic request, total analgesic consumption in 24 h, time to first breastfeed and Apgar score at 1 and 5 min. Materials and Methods: Sixty-two patients undergoing elective or emergency cesarean delivery were recruited for the study in a prospective, randomized, single-blind manner. The patients were randomly allocated to either intrathecal fentanyl group (Group F) or TAP block group (Group T) after determining the eligibility criteria. Group F patients received subarachnoid block with 10 mg of 0.5% bupivacaine heavy with 25 mcg of fentanyl. Group T patients received subarachnoid block with 10 mg of 0.5% bupivacaine heavy prior to surgery and at the end of surgery, they received TAP block with 0.25% bupivacaine 20 mL on each side. Results: Group T had significantly longer time for the first analgesic request (7.65 ± 1.23 h) than group F (4.10 ± 0.32 h). The total analgesic consumption in 24 h was significantly less in Group T (1.0 ± 0) than Group F (2.13 ± 0.34). The Visual Analogue Scale scores at rest and on movement were significantly less in Group T than Group F at all-time points. The Apgar score at 1 and 5 min and time to first breast feed were comparable between the two groups. The incidence of side effects was less in Group T. Conclusion: This study indicated that ultrasound-guided TAP block has a better analgesic as well as safety profile compared to intrathecal fentanyl for cesarean delivery.
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Affiliation(s)
- Nagalakshmi S Nayak
- Department of Anaesthesia, Vydehi Institute of Medical Sciences and Research Centre, Bengaluru, Karnataka, India
| | - K Kalpana
- Department of Anaesthesia, Vydehi Institute of Medical Sciences and Research Centre, Bengaluru, Karnataka, India
| | - Radhika Dhanpal
- Department of Anaesthesia, Vydehi Institute of Medical Sciences and Research Centre, Bengaluru, Karnataka, India
| | - Lal Chand Tudu
- Department of Critical Care Medicine, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand, India
| | - Jay Prakash
- Department of Critical Care Medicine, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand, India
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12
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Villadiego L, Baker BW. Improving Pain Management After Cesarean Birth Using Transversus Abdominis Plane Block With Liposomal Bupivacaine as Part of a Multimodal Regimen. Nurs Womens Health 2021; 25:357-365. [PMID: 34480867 DOI: 10.1016/j.nwh.2021.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/22/2021] [Accepted: 07/29/2021] [Indexed: 11/17/2022]
Abstract
As educators, advocates, and champions for women's health, nurses play pivotal roles throughout a woman's pregnancy and childbirth journey. Most women experience postsurgical pain after cesarean birth and are prescribed opioids. Caution around opioid use warrants opioid-reducing strategies, particularly because exposure to opioids exacerbates risk for developing persistent postsurgical opioid use. Multimodal approaches can help address this concern. Regional anesthesia using transversus abdominis plane blocks with aqueous formulations of local anesthetics can reduce opioid consumption and pain but has a short duration of action. Liposomal formulation of bupivacaine prolongs its release, overcoming this obstacle. Transversus abdominis plane blocks with liposomal bupivacaine can reduce opioid use and pain after cesarean birth, improving recovery. These findings represent numerous implications for nursing practice to improve postcesarean pain management.
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13
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Wang P, Chen X, Chang Y, Wang Y, Cui H. Analgesic efficacy of ultrasound-guided transversus abdominis plane block after cesarean delivery: A systematic review and meta-analysis. J Obstet Gynaecol Res 2021; 47:2954-2968. [PMID: 34128297 DOI: 10.1111/jog.14881] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 04/20/2021] [Accepted: 05/29/2021] [Indexed: 11/29/2022]
Abstract
PURPOSE The meta-analysis is aimed to further access the analgesic efficacy of ultrasound-guided transversus abdominis plane (USG-TAP) block after cesarean section (CS). METHODS Electronic databases were searched for eligible studies. Primary objectives were pain-related outcomes. Weighted mean differences (WMDs) or standardized mean differences (SMDs), as well as risk ratios (RRs) with 95% confidence intervals (CIs), were used to calculate estimates. Subgroup analyses were done based on whether USG-TAP blocks were performed with long-acting intrathecal opioids (ITO). RESULTS A total of 17 studies were included. When compared with control groups (placebo or no blocks), USG-TAP block resulted in lower cumulative opioid consumption at 6 h (WMD: -8.32; 95% CI: -14.86, -1.79), 12 h (WMD: -10.75; 95% CI: -20.93, -0.57), and 24 h (WMD: -12.71, 95% CI: -21.28, -4.14). No significant differences were demonstrated among dynamic or resting pain scores. Patients in USG-TAP groups needed longer time to request first analgesic (WMD: 3.56; 95% CI: 1.43, 5.68) and showed a lower requirement of opioid rescue analgesia for breakthrough severe pain during 24 h (RR: 0.40; 95% CI: 0.18, 0.86). Subgroup analyses showed USG-TAP blocks did not afford additional benefit in the presence of intrathecal morphine. Also, reduced need for antiemetics after CS and higher maternal satisfaction were provided by USG-TAP blocks. CONCLUSION USG-TAP block can provide significantly effective analgesia for patients who underwent CS in the absence of long-acting ITO and therefore are worth promoting in the setting of long-acting ITO being unfeasible.
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Affiliation(s)
- Peng Wang
- Obstetrics Department, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin Key Lab Of Human Development and Reproductive Regulation, Tianjin, China
| | - Xu Chen
- Obstetrics Department, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin, China
| | - Ying Chang
- Obstetrics Department, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin Key Lab Of Human Development and Reproductive Regulation, Tianjin, China
| | - Yanping Wang
- Obstetrics Department, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin, China
| | - Hongyan Cui
- Obstetrics Department, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin, China
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14
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Wang J, Zhao G, Song G, Liu J. The Efficacy and Safety of Local Anesthetic Techniques for Postoperative Analgesia After Cesarean Section: A Bayesian Network Meta-Analysis of Randomized Controlled Trials. J Pain Res 2021; 14:1559-1572. [PMID: 34103981 PMCID: PMC8180269 DOI: 10.2147/jpr.s313972] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 05/21/2021] [Indexed: 12/12/2022] Open
Abstract
Objective Cesarean section (CS) is one of the most frequently performed major surgical interventions. Local anesthetic techniques, a universal component of perioperative multimodal analgesia, are reportedly effective in reducing pain scores and opioid requirements. However, the optimal local anesthetic technique for postoperative CS pain remains unclear. Methods Six databases were searched, and a Bayesian network meta-analysis was performed. The outcomes included cumulative morphine consumption and pain scores at four time points, time to first analgesic request, postoperative nausea and vomiting, pruritus, and sedation. Results Sixty-eight studies with 5039 pregnant women were included. Six local anesthetic techniques were involved, including transversus abdominis plane block (TAPB), ilioinguinal and iliohypogastric nerve block, quadratus lumborum blocks, transversalis fascia plane block, erector spinae block, and wound infiltration. Compared to inactive controls, TAPB reduced cumulative morphine consumption at 6, 12, 24, and 48 h, pain scores at 6, 12, and 24 h (with the exception of 24 h at rest), the risk of postoperative nausea and vomiting, and sedation. Compared with inactive controls, ilioinguinal and iliohypogastric nerve block reduced cumulative morphine consumption at 6 and 24 h and pain scores at 6, 12, and 24 h during movement. Compared with inactive controls, quadratus lumborum blocks reduced cumulative morphine consumption at 24 and 48 h and pain scores at 6 and 12 h and lengthened the time to first analgesic request. Compared with inactive controls, wound infiltration reduced cumulative morphine consumption at 12 and 24 h, pain scores at 12 and 24 h during movement, and risk of sedation. Compared with inactive controls, erector spinae block reduced pain scores at 6 and 12 h. Transversalis fascia plane block was found to have similar outcomes to inactive controls. Conclusion TAPB is the most comprehensive local anesthetic technique for postoperative CS analgesia in the absence of intrathecal morphine.
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Affiliation(s)
- Jian Wang
- Department of Anesthesiology, The First Affiliated Hospital of China Medical University, Shenyang, People's Republic of China
| | - Ge Zhao
- Department of Obstetrics, The First Affiliated Hospital of China Medical University, Shenyang, People's Republic of China
| | - Guang Song
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, People's Republic of China
| | - Jing Liu
- Department of Obstetrics, The First Affiliated Hospital of China Medical University, Shenyang, People's Republic of China
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15
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Gabriel RA, Burton BN, Curran BP, Urman RD. Regional Anesthesia Abdominal Blocks and Local Infiltration After Cesarean Delivery: Review of Current Evidence. Curr Pain Headache Rep 2021; 25:28. [PMID: 33761010 DOI: 10.1007/s11916-021-00945-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/12/2021] [Indexed: 12/23/2022]
Abstract
PURPOSE OF REVIEW In this review, we discuss surgical infiltration and various abdominal wall blocks, including transversus abdominis plane (TAP) block and quadratus lumborum blocks, and review the literature on the evidence behind these approaches and analgesia for cesarean delivery (CD). RECENT FINDINGS Adequate pain management in the parturient following CD is important to facilitate early ambulation and neonatal care while also improving patient satisfaction and decreasing hospital length of stay. Neuraxial opioids have been a mainstay for postoperative analgesia; however, this option may not be available for patients undergoing emergency CD and have contraindications to neuraxial approaches, refusing an epidural or spinal, or with technical difficulties for neuraxial placement. In such cases, alternative options include a fascial plane block or surgical wound infiltration. The use of regional blocks or surgical wound infiltration is especially recommended in the parturient who does not receive neuraxial opioids for CD. Adequate postoperative analgesia following CD is an important component of the overall care of the parturient as it helps facilitate early mobilization and improve patient satisfaction. In conclusion, the use of abdominal fascial plane blocks or surgical wound infiltration is recommended in the parturient who does not receive neuraxial opioids for CD.
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Affiliation(s)
- Rodney A Gabriel
- Department of Anesthesiology, University of California San Diego, La Jolla, CA, USA.
- Division of Biomedical Informatics, University of California San Diego, La Jolla, CA, USA.
| | - Brittany N Burton
- Department of Anesthesiology and Perioperative Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Brian P Curran
- Department of Anesthesiology, University of California San Diego, La Jolla, CA, USA
| | - Richard D Urman
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, 02115, USA
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Boselli E, Hopkins P, Lamperti M, Estèbe JP, Fuzier R, Biasucci DG, Disma N, Pittiruti M, Traškaitė V, Macas A, Breschan C, Vailati D, Subert M. European Society of Anaesthesiology and Intensive Care Guidelines on peri-operative use of ultrasound for regional anaesthesia (PERSEUS regional anesthesia): Peripheral nerves blocks and neuraxial anaesthesia. Eur J Anaesthesiol 2021; 38:219-250. [PMID: 33186303 DOI: 10.1097/eja.0000000000001383] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Nowadays, ultrasound-guidance is commonly used in regional anaesthesia (USGRA) and to locate the spinal anatomy in neuraxial analgesia. The aim of this second guideline on the PERi-operative uSE of UltraSound (PERSEUS-RA) is to provide evidence as to which areas of regional anaesthesia the use of ultrasound guidance should be considered a gold standard or beneficial to the patient. The PERSEUS Taskforce members were asked to define relevant outcomes and rank the relative importance of outcomes following the GRADE process. Whenever the literature was not able to provide enough evidence, we decided to use the RAND method with a modified Delphi process. Whenever compared with alternative techniques, the use of USGRA is considered well tolerated and effective for some nerve blocks but there are certain areas, such as truncal blocks, where a lack of robust data precludes useful comparison. The new frontiers for further research are represented by the application of USG during epidural analgesia or spinal anaesthesia as, in these cases, the evidence for the value of the use of ultrasound is limited to the preprocedure identification of the anatomy, providing the operator with a better idea of the depth and angle of the epidural or spinal space. USGRA can be considered an essential part of the curriculum of the anaesthesiologist with a defined training and certification path. Our recommendations will require considerable changes to some training programmes, and it will be necessary for these to be phased in before compliance becomes mandatory.
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Affiliation(s)
- Emmanuel Boselli
- From the Department of Anaesthesiology, Pierre Oudot Hospital, Bourgoin-Jallieu, University Claude Bernard Lyon I, University of Lyon, France (EB), Leeds Institute of Medical Research at St James's School of Medicine, University of Leeds, Leeds, UK (PH), Anesthesiology Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates (ML), Department of Anaesthesiology, Intensive Care and Pain Medicine, University hospital of Rennes, Rennes, France (JPE), Department of Anaesthesiology, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France (RF), Intensive Care Unit, Department of Emergency, Intensive Care Medicine and Anesthesiology, Fondazione Policlinico Universitario 'A. Gemelli' IRCCS, Rome, Italy (DGB), Department of Anaesthesiology, IRCCS Istituto Giannina Gaslini, Genova, Italy (ND), Department of Surgery, Fondazione Policlinico Universitario 'A. Gemelli' IRCCS, Rome, Italy (MP), Department of Anesthesiology, Lithuanian University of Health Sciences, Kaunas, Lithuania (VT, AM), Department of Anaesthesia, Klinikum Klagenfurt, Austria (CB), Anaesthesia and Intensive Care Unit, Melegnano Hospital (DV) and Department of Surgical and Intensive Care Unit, Sesto San Giovanni Civic Hospital, Milan, Italy (MS)
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Abdelwahab WAEM, Elzahaby HM, ElGendy HAA, Elwahab ATSA, Hussien RM. Safety and efficacy of dexamethasone as an adjuvant to bupivacaine in bilateral transversus abdominis plane block in children undergoing major abdominal surgery. AIN-SHAMS JOURNAL OF ANESTHESIOLOGY 2020; 12:52. [DOI: 10.1186/s42077-020-00105-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 10/11/2020] [Indexed: 09/01/2023]
Abstract
Abstract
Background
This prospective randomized controlled double-blind clinical study was conducted on 52 patients of both genders divided into two groups (26 patients each). Local anaesthetic solution of isobaric bupivacaine 0.25% (0.3 ml/kg) was prepared. Group A received bilateral transversus abdominis plane (TAP) block with bupivacaine and dexamethasone (0.3 mg/kg) while group B received bilateral TAP block with bupivacaine and volume of saline equal to the amount of dexamethasone given in group A. Patients were observed for FLACC pain scale at the time of discharge from the post-anaesthesia care unit and then every 2 h for 36 h after the operation. This study was conducted to assess the safety and efficacy of adding dexamethasone to bupivacaine on the quality of bilateral US-guided transversus abdominis plane (TAP) block in children undergoing major abdominal surgery
Results
Dexamethasone added to local anaesthetic in ultrasound-guided TAP block significantly decreased FLACC score at 8, 10, and 12 up to 24 h postoperatively, The time to the first requested analgesia was prolonged in the dexamethasone group (P = 0.000). The total dose of acetaminophen consumption over 36 h after surgery was also reduced (P = 0.000), but no difference was found regarding the total dose of rectal diclofenac (P = 0.068).
Conclusion
Adding dexamethasone to isobaric bupivacaine TAP block reduces postoperative pain and analgesic requirements compared to isobaric bupivacaine TAP block alone in children undergoing major abdominal surgery.
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18
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Abdelwahab WAEM, Elzahaby HM, ElGendy HAA, Elwahab ATSA, Hussien RM. Safety and efficacy of dexamethasone as an adjuvant to bupivacaine in bilateral transversus abdominis plane block in children undergoing major abdominal surgery. AIN-SHAMS JOURNAL OF ANESTHESIOLOGY 2020. [DOI: doi.org/10.1186/s42077-020-00105-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Abstract
Background
This prospective randomized controlled double-blind clinical study was conducted on 52 patients of both genders divided into two groups (26 patients each). Local anaesthetic solution of isobaric bupivacaine 0.25% (0.3 ml/kg) was prepared. Group A received bilateral transversus abdominis plane (TAP) block with bupivacaine and dexamethasone (0.3 mg/kg) while group B received bilateral TAP block with bupivacaine and volume of saline equal to the amount of dexamethasone given in group A. Patients were observed for FLACC pain scale at the time of discharge from the post-anaesthesia care unit and then every 2 h for 36 h after the operation. This study was conducted to assess the safety and efficacy of adding dexamethasone to bupivacaine on the quality of bilateral US-guided transversus abdominis plane (TAP) block in children undergoing major abdominal surgery
Results
Dexamethasone added to local anaesthetic in ultrasound-guided TAP block significantly decreased FLACC score at 8, 10, and 12 up to 24 h postoperatively, The time to the first requested analgesia was prolonged in the dexamethasone group (P = 0.000). The total dose of acetaminophen consumption over 36 h after surgery was also reduced (P = 0.000), but no difference was found regarding the total dose of rectal diclofenac (P = 0.068).
Conclusion
Adding dexamethasone to isobaric bupivacaine TAP block reduces postoperative pain and analgesic requirements compared to isobaric bupivacaine TAP block alone in children undergoing major abdominal surgery.
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19
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Transversus abdominis plane block compared with wound infiltration for postoperative analgesia following Cesarean delivery: a systematic review and network meta-analysis. Can J Anaesth 2020; 67:1710-1727. [DOI: 10.1007/s12630-020-01818-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 07/02/2020] [Accepted: 07/29/2020] [Indexed: 12/13/2022] Open
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El-Boghdadly K, Desai N, Halpern S, Blake L, Odor PM, Bampoe S, Carvalho B, Sultan P. Quadratus lumborum block vs. transversus abdominis plane block for caesarean delivery: a systematic review and network meta-analysis . Anaesthesia 2020; 76:393-403. [PMID: 32621529 DOI: 10.1111/anae.15160] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2020] [Indexed: 12/12/2022]
Abstract
Caesarean delivery is the most commonly performed inpatient surgical procedure globally. Pain after caesarean delivery is moderate to severe if not adequately treated, and is a primary anaesthetic concern for patients. Transversus abdominis plane and quadratus lumborum blocks are fascial plane blocks that have the potential to improve analgesia following caesarean delivery. Although proponents of the quadratus lumborum block suggest that this technique may provide better analgesia compared with transversus abdominis plane block, there are limited data directly comparing these two techniques. We, therefore, performed a systematic review and network meta-analysis to compare transversus abdominis plane and quadratus lumborum block approaches, seeking randomised controlled trials comparing both techniques to each other, or to control, with or without intrathecal morphine. In all, 31 trials with 2188 patients were included and our primary outcome, the cumulative intravenous morphine equivalent consumption at 24 h, was reported in 12 trials. In the absence of intrathecal morphine, transversus abdominis plane and quadratus lumborum blocks were equivalent, and both were superior to control (moderate-quality evidence). In the presence of intrathecal morphine, no differences were found between control, transversus abdominis plane and quadratus lumborum blocks (moderate-quality evidence). Similar results were found for resting and active pain scores at 4-6 h, 8-12 h, 24 h and 36 h, although quadratus lumborum block was associated with lower pain scores at 36 h when compared with transversus abdominis plane block (very low-quality evidence). However, transversus abdominis plane block was associated with a reduced incidence of postoperative nausea and vomiting (moderate-quality evidence) and sedation when compared with inactive control following intrathecal morphine administration (low-quality evidence). There are insufficient data to draw definitive conclusions, but transversus abdominis plane and quadratus lumborum block appear to be superior to control in the absence of intrathecal morphine, but provide limited additional benefit over inactive control when intrathecal morphine is also used.
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Affiliation(s)
- K El-Boghdadly
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, UK.,King's College London, UK
| | - N Desai
- Department of Anaesthesia, Guy's and St Thomas' NHS Foundation Trust, London, UK.,King's College London, UK
| | - S Halpern
- Department of Anesthesiology, and Pain Medicine, University of Toronto, ON, Canada
| | - L Blake
- University of Arkansas for Medical Sciences Library, Little Rock, AR, USA
| | - P M Odor
- Department of Anaesthesia, University College Hospital, London, UK
| | - S Bampoe
- Department of Anaesthesia, University College Hospital, London, UK
| | - B Carvalho
- Department of Anesthesiology, Stanford University, CA, USA
| | - P Sultan
- Department of Anesthesiology, Stanford University, CA, USA
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21
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The impact of a transversus abdominis plane block including clonidine vs. intrathecal morphine on nausea and vomiting after caesarean section: A randomised controlled trial. Eur J Anaesthesiol 2020; 36:575-582. [PMID: 31274545 DOI: 10.1097/eja.0000000000001013] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Intrathecal morphine (ITM) is a widely used technique for postcaesarean section analgesia but entails a high risk of postoperative nausea and vomiting (PONV). The transversus abdominis plane (TAP) block is an alternative. OBJECTIVE We tested the hypothesis that a TAP block including clonidine reduces the incidence of PONV after caesarean section when compared with ITM. DESIGN A randomised, controlled, double-blinded study. SETTING Geneva University Hospitals, Switzerland, from October 2013 to February 2017. PATIENTS A total of 182 patients undergoing elective caesarean section were studied. Reasons for noninclusion were complicated pregnancy, contraindication to spinal anaesthesia or TAP block, extreme weight or height, allergy to any medication or previous median abdominal incision. INTERVENTIONS Patients were allocated randomly to one of two groups (quadruple blinded): 100 μg of morphine added to the spinal local anaesthetic or a bilateral TAP block with 20 ml of ropivacaine 0.375% + 75 μg of clonidine on each side. MAIN OUTCOME MEASURES The primary outcome measure was the total number of patients presenting with PONV at 24 h. Secondary aims were to compare other adverse effects (pruritus, respiratory depression, hypotension, bradycardia, sedation), analgesic efficacy and the quality of postoperative recovery. RESULTS At 24 h, there was no significant difference between ITM and TAP groups in the total number of patients presenting with PONV: 17/92 patients (18.5%, 95% confidence interval 11.1 to 27.9) and 27/88 patients (30.7%, 95% confidence interval 21.3 to 41.4) in TAP and ITM groups, respectively (P = 0.065). Pain scores at 6 h and cumulative morphine consumption at 24 h were lower in the ITM group (P < 0.0001 for morphine consumption at 24 h). The incidence of hypotension was higher in the TAP group (54.3 vs. 29.2%, P = 0.0006). Maternal satisfaction was high and not different between groups. CONCLUSION A TAP block with clonidine and local anaesthetic does not reduce significantly the incidence of PONV compared with ITM. We confirm the superiority of ITM on acute postcaesarean section analgesia compared with a TAP block, even with clonidine as an adjunct. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT01931215.
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Kim SH, Kim HJ, Kim N, Lee B, Song J, Choi YS. Effectiveness of quadratus lumborum block for postoperative pain: a systematic review and meta-analysis. Minerva Anestesiol 2020; 86:554-564. [DOI: 10.23736/s0375-9393.20.13975-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Pan J, Hei Z, Li L, Zhu D, Hou H, Wu H, Gong C, Zhou S. The Advantage of Implementation of Enhanced Recovery After Surgery (ERAS) in Acute Pain Management During Elective Cesarean Delivery: A Prospective Randomized Controlled Trial. Ther Clin Risk Manag 2020; 16:369-378. [PMID: 32440135 PMCID: PMC7210449 DOI: 10.2147/tcrm.s244039] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Accepted: 04/02/2020] [Indexed: 01/22/2023] Open
Abstract
Objective The aim of this study was to test whether the implementation of an enhanced recovery after surgery (ERAS) protocol for patients undergoing elective cesarean delivery has a positive impact on the postoperative status of the patients in terms of pain management, hospital stay, hospitalization costs, and adverse reactions. Methods Patients who underwent elective cesarean delivery were randomized into two groups – ERAS group and control group – and the groups were managed with the ERAS protocol and traditional protocol, respectively. Results Compared to the control group, the ERAS group had significantly fewer patients with intraoperative nausea, pain of visual analog scale (VAS) scores, and VAS grade >3 during rest in the first 24 h and during motion in the first 24 and 48 h after surgery. There were no intergroup differences in the requirement of extra analgesics, the incidence of vomiting, shivering, hypotension, postoperative nausea, and pruritus. None of the patients in either group had postoperative vomiting. Patient satisfaction rated as per the VAS was significantly higher in the ERAS group than in the control group. The total length of stay, postoperative length of stay, and the cost of anesthesia in both groups were comparable. Further, the average daily hospitalization cost was significantly lower in the ERAS group than in the control group. Conclusion The ERAS protocol shows promise and appears to be worthwhile for widespread implementation among patients undergoing elective cesarean delivery; it was found to be beneficial in reducing the postoperative pain, incidence of intraoperative nausea, and average cost of hospitalization and also improved patient satisfaction.
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Affiliation(s)
- Jingru Pan
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Ziqing Hei
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Liping Li
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Dan Zhu
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Hongying Hou
- Department of Obstetrics, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Huizhen Wu
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Chulian Gong
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
| | - Shaoli Zhou
- Department of Anesthesiology, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, People's Republic of China
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Calixto-Flores A, Díaz-Angúlo W. Effectiveness and Safety of Continuous Transverse Abdominal Plane Blocks vs Epidural Analgesia in Donor Nephroureterectomy. Transplant Proc 2020; 52:1081-1086. [PMID: 32192742 DOI: 10.1016/j.transproceed.2020.02.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 02/05/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND The transverse abdominal plane (TAP) block is sensitive and encompasses peripheral nerves of the anterior abdominal wall. It decreases 27% of the forced vital capacity, 58% of maximum inspiratory, and 51% of the maximum expiratory pressure on the first postoperative day. It is a postoperative analgesic alternative. OBJECTIVE The researchers sought to evaluate the effectiveness and safety of the TAP block compared with continuous epidural analgesia in donor nephroureterectomy. MATERIAL AND METHODS A controlled clinical trial of 30 randomized patients in 2 groups-TAP and continuous epidural analgesia-was used. In the TAP group, a catheter was installed in the transverse abdominal plane and ropivacaine, 0.375% 20 mL, and ropivacaine, 0.2%, were deposited in an elastomeric infuser. The other group was installed with an epidural catheter; at the end of the surgery, 10mL of ropivacaine 0.2% was administered and connected to an elastomeric infuser. Adverse effects and pain intensity were evaluated in the first 36 hours; Student t test and the χ2 test were applied. RESULTS The study showed similar analgesia in both groups at 6 hours after the procedure (P = .256); better analgesia was seen in the TAP group in the next 30 hours (P = .000). Researchers also found time for bladder catheter removal, ambulation, and minor hospital discharge in the TAP vs the epidural group as follows: 18.2 ± 3.6 vs 21.7 ± 4.4 hours (P = .028), 20 ± 3.5 vs 23.5 ± 4.2 hours (P = .019), and 51.2 ± 8.4 vs 62.4 ± 17.6 hours (P = .035), respectively. CONCLUSIONS Continuous TAP blockade is an effective and safe technique. It favors early recovery, early removal of the bladder catheter, ambulation, and discharge.
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Affiliation(s)
- Arnulfo Calixto-Flores
- High Specialty Medical Unit, Specialty Hospital Dr Antonio Fraga Mouret, La Raza National Medical Center, IMSS, Mexico.
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Patel S, Sharawi N, Sultan P. Local anaesthetic techniques for post-caesarean delivery analgesia. Int J Obstet Anesth 2019; 40:62-77. [DOI: 10.1016/j.ijoa.2019.06.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 05/21/2019] [Accepted: 06/03/2019] [Indexed: 12/12/2022]
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Abstract
Abstract
In this narrative review article, the authors discuss the anatomy, nomenclature, history, approaches (posterior vs. lateral vs. subcostal), techniques, pharmacology, indications, and complications of transversus abdominis plane blocks, as well as possible alternative truncal blocks.
Despite the scarcity of evidence and contradictory findings, certain clinical suggestions can nonetheless be made. Overall transversus abdominis plane blocks appear most beneficial in the setting of open appendectomy (posterior or lateral approach). Lateral transversus abdominis plane blocks are not suggested for laparoscopic hysterectomy, laparoscopic appendectomy, or open prostatectomy. However, transversus abdominis plane blocks could serve as an analgesic option for Cesarean delivery (posterior or lateral approach) and open colorectal section (subcostal or lateral approach) if there exist contraindications to intrathecal morphine and thoracic epidural analgesia, respectively.
Future investigation is required to compare posterior and subcostal transversus abdominis plane blocks in clinical settings. Furthermore, posterior transversus abdominis plane blocks should be investigated for surgical interventions in which their lateral counterparts have proven not to be beneficial (e.g., laparoscopic hysterectomy/appendectomy, open prostatectomy). More importantly, because posterior transversus abdominis plane blocks can purportedly provide sympathetic blockade and visceral analgesia, they should be compared with thoracic epidural analgesia for open colorectal surgery. Finally, transversus abdominis plane blocks should be compared with newer truncal blocks (e.g., erector spinae plane and quadratus lumborum blocks) with well-designed and adequately powered trials.
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Jin Y, Li Y, Zhu S, Zhu G, Yu M. Comparison of ultrasound-guided iliohypogastric/ilioinguinal nerve block and transversus abdominis plane block for analgesia after cesarean section: A retrospective propensity match study. Exp Ther Med 2019; 18:289-295. [PMID: 31258664 PMCID: PMC6566038 DOI: 10.3892/etm.2019.7540] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 03/29/2019] [Indexed: 01/03/2023] Open
Abstract
Effective and adequate post-operative analgesia for cesarean section is in demand due to increasing rates of cesarean deliveries, and may help promote recovery, ambulation and breastfeeding. Local nerve block has been applied as post-operative analgesia for maternal patients receiving cesarean section; specifically, lateral abdominal transversus abdominis plane block (TAPB) and iliohypogastric/ilioinguinal nerve block (IHINB) under ultrasound guidance have been proven to be effective. The present study aimed to compare the analgesic effect of TAPB and IHINB in maternal females undergoing cesarean section. Propensity-matched females who received cesarean section (n=124) were retrospectively enrolled and divided into the TAPB group (n=62) and the IHINB group (n=62) according to their post-operative analgesia treatment. All of the patients have been given spinal-epidural anesthesia during the operation, while they received either TAPB or IHINB for post-operative analgesia. Demographic and clinical data were collected and compared, including time to first morphine request, cumulative morphine consumption, visual analogue scale (VAS) score and adverse events. Due to propensity matching, there was no significant difference between the two groups in their baseline characteristics (all P>0.05). The log-rank test indicated no significant difference in the Kaplan-Meier curves for the time to first morphine request between the two groups (P=0.575). The VAS score and cumulative morphine consumption at 6 and 12 h was similar between the two groups (all P>0.05). However, these two parameters were significantly lower in the IHINB group at 24 and 48 h (P<0.001). Uni- and multivariate logistic regression analysis indicated that the method of block was not an independent influencing factor regarding postoperative pain relief (P=0.628). There was also no difference between the two groups in adverse events of analgesia (all P>0.05). In conclusion, the present study demonstrated that TAPB and IHINB achieved a comparably satisfactory analgesic effect after cesarean section. However, the analgesic effect of IHINB was better than that of TAPB at the later stages.
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Affiliation(s)
- Yulu Jin
- Department of Anesthesiology, Yueqing Third People's Hospital, Yueqing, Zhejiang 325604, P.R. China
| | - Yongliang Li
- Department of Anesthesiology, Ruian People's Hospital, Ruian, Zhejiang 325200, P.R. China
| | - Sanrong Zhu
- Department of Anesthesiology, Yueqing Third People's Hospital, Yueqing, Zhejiang 325604, P.R. China
| | - Guangfeng Zhu
- Department of Anesthesiology, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, Wenzhou, Zhejiang 325003, P.R. China
| | - Min Yu
- Department of Anesthesiology, Ruian Maternal and Child Health Hospital, Ruian, Zhejiang 325200, P.R. China
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Evaluate the Feasibility of Surgical Transversus Abdominis Plane Block for Postoperative Analgesia After Cesarean Section. J Obstet Gynaecol India 2019; 69:330-333. [PMID: 31391739 DOI: 10.1007/s13224-019-01241-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 05/12/2019] [Indexed: 10/26/2022] Open
Abstract
Background Transversus abdominis plane (TAP) block is a fascial plane block providing postoperative analgesia after lower abdominal surgeries including Cesarean section. Conventionally, it is administered under ultrasound guidance or by blind technique. We studied a novel transperitoneal surgical TAP block for providing safe and effective analgesia after Cesarean section through transverse incision. Methods A hundred patients who fulfilled the inclusion criteria were included in the study after obtaining informed written consent. They were randomized in two groups: Group A with surgical TAP block and Group B without TAP block as control. Surgical TAP block was administered by transperitoneal route before the closure of peritoneum with 0.25% bupivacaine (dose adjusted with weight of the patient), and visual analogue score was assessed by a blind assessor. Time for rescue analgesia was noted and analyzed with the 'two independent sample t test.' Results The duration of postoperative analgesia in hours was significantly longer in the TAP block group compared with the control group (5.14 ± 1.63 vs 2.61 ± 0.89, p < 0.001). There was no reported complication of the surgical technique or any adverse effect of the used drug. Conclusion Surgical TAP block via the transperitoneal route is a safe, easy and effective mode of providing postoperative analgesia after Cesarean section. This technique does not need any costly specialist equipment, overcomes the technical limitations of ultrasound-guided TAP block and can be used in obese patients also. It has almost no side effects, and the technique can be easily mastered.
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Assessment of the analgesic potency of ropivacaine 0.2% versus ropivacaine 0.5% in transversus abdominis plane block after cesarean delivery. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2016.03.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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The effect of transversus abdominis plane block on acute and chronic pain after inguinal hernia repair. A randomized controlled trial. Int J Surg 2019; 63:63-70. [DOI: 10.1016/j.ijsu.2019.02.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 02/04/2019] [Accepted: 02/08/2019] [Indexed: 11/17/2022]
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Jadon A, Jain P, Chakraborty S, Motaka M, Parida SS, Sinha N, Agrawal A, Pati AK. Role of ultrasound guided transversus abdominis plane block as a component of multimodal analgesic regimen for lower segment caesarean section: a randomized double blind clinical study. BMC Anesthesiol 2018; 18:53. [PMID: 29759061 PMCID: PMC5952861 DOI: 10.1186/s12871-018-0512-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 04/25/2018] [Indexed: 01/17/2023] Open
Abstract
Background While opioids are the mainstay for post-operative analgesia after lower segment caesarean section, they are associated with various untoward effects. Ultrasound guided transversus abdominis plane (TAP) block has been postulated to provide effective analgesia for caesarean section. We evaluated the analgesic efficacy of this block for post caesarean analgesia in a randomised controlled trial. Methods One hundred thirty-nine mothers undergoing caesarean delivery were randomised to receive TAP block with either 20 ml 0.375% ropivacaine or 20 ml saline after obtaining informed consent. All the subjects received a standard spinal anaesthetic and diclofenac was administered for post-operative pain. Breakthrough pain was treated with tramadol. Post-operatively, all the subjects were assessed at 0, 2, 4, 6, 8, 10, 12, 18 & 24 h. The primary outcome was the time to first analgesic request. The secondary measures of outcome were pain, nausea, sedation, number of doses of tramadol administered and satisfaction with the pain management. Results The median (interquartile range) time to first analgesic request was prolonged in the TAP group compared to the control group (p < 0.0001); 11 h (8,12) and 4 h (2.5,6) respectively. The median (interquartile range) number of doses of tramadol consumed in the TAP group was 0 (0,1) compared to 2 (1,2) in the control group (p < 0.0001). At all points in the study, pain scores both at rest and on movement were lower in the study group (p < 0.0001). Maternal satisfaction with pain relief was also higher in the study group (p 0.0002). One subject in the TAP group had convulsions following injection of local anaesthetic solution. She was managed conservatively with supportive treatment following which she recovered. Conclusion TAP block reduces pain, prolongs the duration of analgesia and decreases supplemental opioid consumption when used for multimodal analgesia for pain relief after caesarean section. However, the risk of local anaesthetic systemic toxicity remains unknown with this block. Hence larger safety trials and measures to limit this complication need to be ascertained. Trial registration The trial was registered with the Clinical Trial Registry of India (CTRI/2017/03/008194) on 23/03/2017 (trial registered retrospectively).
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Affiliation(s)
- Ashok Jadon
- Department of Anaesthesia and Pain Relief Service, Tata Motors Hospital, Telco Colony, Jamshedpur, Jharkhand, 831004, India
| | - Priyanka Jain
- Department of Anaesthesia and Pain Relief Service, Tata Motors Hospital, Telco Colony, Jamshedpur, Jharkhand, 831004, India.
| | - Swastika Chakraborty
- Department of Anaesthesia and Pain Relief Service, Tata Motors Hospital, Telco Colony, Jamshedpur, Jharkhand, 831004, India
| | - Mayur Motaka
- Department of Anaesthesia and Pain Relief Service, Tata Motors Hospital, Telco Colony, Jamshedpur, Jharkhand, 831004, India
| | - Sudhansu Sekhar Parida
- Department of Anaesthesia and Pain Relief Service, Tata Motors Hospital, Telco Colony, Jamshedpur, Jharkhand, 831004, India
| | - Neelam Sinha
- Department of Anaesthesia and Pain Relief Service, Tata Motors Hospital, Telco Colony, Jamshedpur, Jharkhand, 831004, India
| | - Amit Agrawal
- Department of Anaesthesia and Pain Relief Service, Tata Motors Hospital, Telco Colony, Jamshedpur, Jharkhand, 831004, India
| | - Asit Kumar Pati
- Department of Anaesthesia and Pain Relief Service, Tata Motors Hospital, Telco Colony, Jamshedpur, Jharkhand, 831004, India
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Ng S, Habib A, Sodha S, Carvalho B, Sultan P. High-dose versus low-dose local anaesthetic for transversus abdominis plane block post-Caesarean delivery analgesia: a meta-analysis. Br J Anaesth 2018; 120:252-263. [DOI: 10.1016/j.bja.2017.11.084] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 08/29/2017] [Accepted: 08/29/2017] [Indexed: 10/18/2022] Open
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Urfalıoğlu A, Bakacak M, Boran ÖF, Yazar FM, Arslan M, Öksüz H. Bloqueio cirúrgico do plano transverso abdominal versus guiado por ultrassom em pacientes obesas após cesárea: estudo prospectivo e randomizado. Braz J Anesthesiol 2017; 67:480-486. [DOI: 10.1016/j.bjan.2017.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Accepted: 07/27/2016] [Indexed: 10/19/2022] Open
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Anatomical topography of the inferior lumbar triangle for transversus abdominis block. Surg Radiol Anat 2017; 40:99-107. [DOI: 10.1007/s00276-017-1912-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 08/15/2017] [Indexed: 10/19/2022]
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Comparison of Efficacy of Bupivacaine with Dexmedetomidine Versus Bupivacaine Alone for Transversus Abdominis Plane Block for Post-operative Analgesia in Patients Undergoing Elective Caesarean Section. J Obstet Gynaecol India 2017; 68:98-103. [PMID: 29662278 DOI: 10.1007/s13224-017-0990-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 03/28/2017] [Indexed: 10/19/2022] Open
Abstract
Background Increasing rate of Caesarean sections and inadequate pain relief following Caesarean section is seen in almost all parts of the world. Transversus abdominis plane block is gaining popularity as a part of multimodal analgesia for post-operative pain relief following abdominal surgeries. Aim To compare bupivacaine and bupivacaine with dexmedetomidine in transversus abdominis plane block for pain relief after Caesarean section. Method American Society of Anaesthesiologists I and II parturients with no comorbidities admitted for elective Caesarean section were included in the study. Thirty-five patients were in each study (with dex) and control (without dex) groups. At the end of Caesarean section done under spinal anaesthesia, transversus abdominis plane block was done bilaterally under ultrasound guidance using in-plane technique of needle insertion. 20 ml of 0.25% bupivacaine with 0.5 mcg/kg of dexmedetomidine in the study group and 20 ml of 0.25% bupivacaine in the control group were injected in the neurovascular plane. Results Eight patients from the study group and 15 from the control group were given opioids as rescue analgesia. The average time at which rescue analgesia was first sought was 14.25 and 7.73 h in the study and control groups, respectively. The P value of this difference was 0.0136 and was found to be statistically significant. Conclusion The addition of dexmedetomidine to bupivacaine in TAP block prolonged the duration of time at which first dose of rescue analgesia was sought and also reduced the total dose of opioid requirement in the first 24-h post-Caesarean section.
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Clinical safety and effectiveness of transversus abdominis plane (TAP) block in post-operative analgesia: a systematic review and meta-analysis. J Anesth 2017; 31:432-452. [DOI: 10.1007/s00540-017-2323-5] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Accepted: 02/07/2017] [Indexed: 01/12/2023]
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Abstract
Cesarean delivery rates are increasing worldwide, and effective postoperative pain management is a key priority of women undergoing cesarean delivery. Inadequate pain management in the acute postoperative period is associated with persistent pain, greater opioid use, delayed functional recovery, and increased postpartum depression. In addition to pain relief, optimal management of patients after cesarean delivery should address the goals of unrestricted maternal mobility, minimal maternal and neonatal side effects, rapid recovery to baseline functionality, and early discharge home. Multimodal analgesia should include neuraxial morphine in conjunction with nonopioid adjuncts, with additional oral or intravenous opioids reserved for severe breakthrough pain.
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Affiliation(s)
- Caitlin Dooley Sutton
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA
| | - Brendan Carvalho
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA.
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Görkem Ü, Koçyiğit K, Toğrul C, Güngör T. Comparison of bilateral transversus abdominis plane block and wound infiltration with bupivacaine for postoperative analgesia after cesarean delivery. J Turk Ger Gynecol Assoc 2017; 18:26-32. [PMID: 28506947 PMCID: PMC5450207 DOI: 10.4274/jtgga.2016.0155] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
OBJECTIVE The study aimed to compare efficacy, safety, pain intensity and analgesic consumption in patients receiving either bilateral transversus abdominis plane (TAP) block or wound infiltration with bupivacaine after cesarean delivery (CD). MATERIAL AND METHODS A total of 216 parturient women undergoing CD under general anesthesia were randomly allocated into five groups: i) controls (group 1), ii) TAP placebo (group 2), iii) TAP (group 3), iv) wound infiltration placebo (group 4), and, v) wound infiltration (group 5). Pain intensity was assessed using a visual analogue scale (VAS). Analgesic consumptions were recorded by a blinded nurse at 6, 12, and 18 hours postoperatively. RESULTS The baseline characteristics of the five groups were similar in terms of age, history of CD, and body mass indices (p>0.05). There were significant intergroup differences in VAS scores between all groups at the zero time-point (p=0.03), at the 6th hour (p=0.02), 12th hour (p=0.02), and at the 18th hour (p=0.02). Group 3 patients had lower pain scores and consumed less diclofenac than group 2 patients only within 12 hours postoperatively whereas pain intensity and analgesic consumption were not different between group 5 and group 4 patients. Group 5 patients received significantly less pethidine than group 4 and group 1 patients (p<0.001). CONCLUSION TAP block provided better pain relief and less analgesic requirement than bupivacaine wound infiltration early after CD. Given the similar amounts of diclofenac but lower amounts of pethidine administered in the wound infiltration group, wound infiltration of bupivacaine seems promising in terms of reducing opioid use after CD under general anesthesia, especially when TAP block is not used.
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Affiliation(s)
- Ümit Görkem
- Department of Obstetrics and Gynecology, Hitit University Faculty of Medicine, Çorum, Turkey
| | - Kamuran Koçyiğit
- Department of Anesthesiology, Hitit University Training and Research Hospital, Çorum, Turkey
| | - Cihan Toğrul
- Department of Obstetrics and Gynecology, Hitit University Faculty of Medicine, Çorum, Turkey
| | - Tayfun Güngör
- Department of Obstetrics and Gynecology, Hitit University Faculty of Medicine, Çorum, Turkey
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Iyer SS, Bavishi H, Mohan CV, Kaur N. Comparison of Epidural Analgesia with Transversus Abdominis Plane Analgesia for Postoperative Pain Relief in Patients Undergoing Lower Abdominal Surgery: A Prospective Randomized Study. Anesth Essays Res 2017; 11:670-675. [PMID: 28928569 PMCID: PMC5594788 DOI: 10.4103/0259-1162.206856] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background: Anesthesiologists play an important role in postoperative pain management. For analgesia after lower abdominal surgery, epidural analgesia and ultrasound-guided transversus abdominis plane (TAP) block are suitable options. The study aims to compare the analgesic efficacy of both techniques. Materials and Methods: Seventy-two patients undergoing lower abdominal surgery under spinal anesthesia were randomized to postoperatively receive lumbar epidural catheter (Group E) or ultrasound-guided TAP block (Group T) through intravenous cannulas placed bilaterally. Group E received 10 ml 0.125% bupivacaine stat and 10 ml 8th hourly for 48 h. Group T received 20 ml 0.125% bupivacaine bilaterally stat and 20 ml bilaterally 8th hourly for 48 h. Pain at rest and on coughing, total paracetamol and tramadol consumption were recorded. Results: Analgesia at rest was comparable between the groups in the first 16 h. At 24 and 48 h, Group E had significantly better analgesia at rest (P = 0.001 and 0.004 respectively). Patients in Group E had significantly higher number of patients with nil or mild pain on coughing at all times. Paracetamol consumption was comparable in both groups, but tramadol consumption was significantly higher in Group T at the end of 48 h (P = 0.001). Conclusion: For lower abdominal surgeries, analgesia provided by intermittent boluses of 0.125% is comparable for first 16 h between epidural and TAP catheters. However, the quality of analgesia provided by the epidural catheter is superior to that provided by TAP catheters beyond that both at rest and on coughing with reduced opioid consumption.
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Affiliation(s)
- Sadasivan Shankar Iyer
- Department of Anesthesiology and Pain Medicine, M. S. Ramaiah Medical College and Hospitals, Bengaluru, Karnataka, India
| | - Harshit Bavishi
- Department of Anesthesiology, Manipal Hospitals, Bengaluru, Karnataka, India
| | - Chadalavada Venkataram Mohan
- Department of Anesthesiology and Pain Medicine, M. S. Ramaiah Medical College and Hospitals, Bengaluru, Karnataka, India
| | - Navdeep Kaur
- Department of Anesthesiology and Pain Medicine, M. S. Ramaiah Medical College and Hospitals, Bengaluru, Karnataka, India
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Champaneria R, Shah L, Wilson M, Daniels J. Clinical effectiveness of transversus abdominis plane (TAP) blocks for pain relief after caesarean section: a meta-analysis. Int J Obstet Anesth 2016; 28:45-60. [DOI: 10.1016/j.ijoa.2016.07.009] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 07/25/2016] [Accepted: 07/28/2016] [Indexed: 11/29/2022]
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Transversus abdominal plane block for postoperative analgesia: a systematic review and meta-analysis of randomized-controlled trials. Can J Anaesth 2016; 63:1184-1196. [DOI: 10.1007/s12630-016-0679-x] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 04/25/2016] [Accepted: 06/01/2016] [Indexed: 11/27/2022] Open
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Baeriswyl M, Kirkham KR, Kern C, Albrecht E. The Analgesic Efficacy of Ultrasound-Guided Transversus Abdominis Plane Block in Adult Patients: A Meta-Analysis. Anesth Analg 2016; 121:1640-54. [PMID: 26397443 DOI: 10.1213/ane.0000000000000967] [Citation(s) in RCA: 157] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Previous meta-analyses of the transversus abdominis plane (TAP) block have examined a maximum of 12 articles, including fewer than 650 participants, and have not examined the effect of ultrasound-guided techniques specifically. Recently, many trials that use ultrasound approaches to TAP block have been published, which report conflicting analgesic results. This meta-analysis aims to evaluate the analgesic efficacy of ultrasound-guided TAP blocks exclusively for all types of abdominal surgeries in adult patients. METHODS This meta-analysis was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement guidelines. The primary outcome was cumulative IV morphine consumption at 6 hours postoperatively, analyzed according to the type of surgery, the type of surgical anesthesia, the timing of injection, the block approach adopted, and the presence of postoperative multimodal analgesia. Secondary outcomes included IV morphine consumption at 24 hours postoperatively; pain scores at rest and on movement at 6 and 24 hours postoperatively; and postoperative nausea and vomiting, pruritus, and rates of complications. RESULTS Thirty-one controlled trials including 1611 adult participants were identified. Independent of the type of surgery (abdominal laparotomy, abdominal laparoscopy, and cesarean delivery) but not independent of the type of surgical anesthesia (general anesthesia, spinal anesthesia with or without intrathecal long-acting opioid), ultrasound-guided TAP block reduced IV morphine consumption at 6 hours postoperatively by a mean difference of 6 mg (95% confidence interval [CI], -7 to -4 mg; I2 = 94%; P < 0.00001). The magnitude of the reduction in morphine consumption at 6 hours postoperatively was not influenced by the timing of injection (I2 = 0%; P = 0.72), the block approach adopted (I2 = 0%; P = 0.72), or the presence of postoperative multimodal analgesia (I2 = 73%; P = 0.05). This difference persisted at 24 hours postoperatively (mean difference, -11 mg; 95% CI, -14 to -8 mg; I2 = 99%; P < 0.00001). Pain scores at rest and on movement were reduced at 6 hours postoperatively (mean difference at rest, -10; 95% CI, -15 to -5; I2 = 92%; P = 0.0002; mean difference on movement, -9; 95% CI, -14 to -5; I2 = 58%; P < 0.00001). There were neither differences in the incidence of postoperative nausea and vomiting (I2 = 1%; P = 0.59) nor in the pruritus (I2 = 12%; P = 0.58) Two minor complications (1 bruise and 1 anaphylactoid reaction) were reported in 1028 patients. CONCLUSIONS Ultrasound-guided TAP block provides marginal postoperative analgesic efficacy after abdominal laparotomy or laparoscopy and cesarean delivery. However, it does not provide additional analgesic effect in patients who also received spinal anesthesia containing a long-acting opioid. The minimal analgesic efficacy is independent of the timing of injection, the approach adopted, or the presence of postoperative multimodal analgesia. Because of heterogeneity of the results, these findings should be interpreted with caution.
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Affiliation(s)
- Moira Baeriswyl
- From the *Department of Anesthesiology, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland; and †Department of Anesthesiology, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
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Srivastava U, Verma S, Singh TK, Gupta A, Saxsena A, Jagar KD, Gupta M. Efficacy of trans abdominis plane block for post cesarean delivery analgesia: A double-blind, randomized trial. Saudi J Anaesth 2015; 9:298-302. [PMID: 26240550 PMCID: PMC4478824 DOI: 10.4103/1658-354x.154732] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Background: The transverse abdominis plane (TAP) block, a regional block provides effective analgesia after lower abdominal surgeries if used as part of multimodal analgesia. In this prospective, randomized double-blind study, we determined the efficacy of TAP block in patients undergoing cesarean section. Materials and Methods: Totally, 62 parturients undergoing cesarean section were randomized in a double-blind manner to receive either bilateral TAP block at the end of surgery with 20 ml of 0.25% bupivacaine or no TAP block, in addition to standard analgesic comprising 75 mg diclofenac 8 hourly and intravenous patient-controlled analgesia (PCA) tramadol. Each patient was assessed at 0, 4, 8, 12, 24, 36, and 48 h after surgery by an independent observer for pain at rest and on movement using numeric rating scale of 0-10, time of 1st demand for tramadol, total consumption of PCA tramadol, satisfaction with pain management and side effects. Results: Use of tramadol was reduced in patients given TAP block by 50% compared to patients given no block during 48 h after surgery (P < 0.001). Pain scores were lower both on rest and activity at each time point for 24 h in study group (P < 0.001), time of first analgesia was significantly longer, satisfaction was higher, and side effects were less in study group compared to control group. Conclusion: Transverse abdominis plane block was effective in providing analgesia with a substantial reduction in tramadol use during 48 h after cesarean section when used as adjunctive to standard analgesia.
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Affiliation(s)
- Uma Srivastava
- Department of Anesthesiology and Critical Care, Sarojini Naidu Medical College, Agra, Uttar Pradesh, India
| | - Shilpi Verma
- Department of Anesthesiology and Critical Care, Sarojini Naidu Medical College, Agra, Uttar Pradesh, India
| | - Tapas Kumar Singh
- Department of Anesthesiology and Critical Care, Sarojini Naidu Medical College, Agra, Uttar Pradesh, India
| | - Amrita Gupta
- Department of Anesthesiology and Critical Care, Sarojini Naidu Medical College, Agra, Uttar Pradesh, India
| | - Avanish Saxsena
- Department of Surgery, Sarojini Naidu Medical College, Agra, Uttar Pradesh, India
| | - Keshav Dev Jagar
- Department of Anesthesiology and Critical Care, Sarojini Naidu Medical College, Agra, Uttar Pradesh, India
| | - Mihir Gupta
- Department of Anesthesiology and Critical Care, Sarojini Naidu Medical College, Agra, Uttar Pradesh, India
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Ripollés J, Marmaña Mezquita S, Abad A, Calvo J. Eficácia analgésica do bloqueio ecoguiado do plano transverso do abdome – revisão sistemática. Braz J Anesthesiol 2015; 65:255-80. [DOI: 10.1016/j.bjan.2013.10.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Accepted: 10/31/2013] [Indexed: 11/17/2022] Open
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Ripollés J, Mezquita SM, Abad A, Calvo J. Analgesic efficacy of the ultrasound-guided blockade of the transversus abdominis plane – a systematic review. Braz J Anesthesiol 2015; 65:255-80. [DOI: 10.1016/j.bjane.2013.10.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 10/19/2013] [Accepted: 10/31/2013] [Indexed: 12/11/2022] Open
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Anson JA, Vaida S, Giampetro DM, McQuillan PM. Anesthetic management of labor and delivery in patients with elevated intracranial pressure. Int J Obstet Anesth 2015; 24:147-60. [PMID: 25794413 DOI: 10.1016/j.ijoa.2015.01.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 12/31/2014] [Accepted: 01/12/2015] [Indexed: 10/24/2022]
Abstract
The anesthetic management of labor and delivery in patients with elevated intracranial pressure is complex. This review discusses the etiologies of diffuse and focal pathologies which lead to elevated intracranial pressure in pregnancy. The role of neuraxial and general anesthesia in the management of labor and delivery is also examined. Finally, a comprehensive review of strategies to minimize increases in intracranial pressure during general anesthesia for cesarean delivery is presented.
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Affiliation(s)
- J A Anson
- Department of Anesthesiology, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA.
| | - S Vaida
- Department of Anesthesiology, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA
| | - D M Giampetro
- Department of Anesthesiology, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA
| | - P M McQuillan
- Department of Anesthesiology, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA
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Lissauer J, Mancuso K, Merritt C, Prabhakar A, Kaye AD, Urman RD. Evolution of the transversus abdominis plane block and its role in postoperative analgesia. Best Pract Res Clin Anaesthesiol 2014; 28:117-26. [DOI: 10.1016/j.bpa.2014.04.001] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 04/16/2014] [Accepted: 04/28/2014] [Indexed: 10/25/2022]
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