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Strumia A, Pascarella G, Sarubbi D, Di Pumpo A, Costa F, Conti MC, Rizzo S, Stifano M, Mortini L, Cassibba A, Schiavoni L, Mattei A, Ruggiero A, Agrò FE, Carassiti M, Cataldo R. Rectus sheath block added to parasternal block may improve postoperative pain control and respiratory performance after cardiac surgery: a superiority single-blinded randomized controlled clinical trial. Reg Anesth Pain Med 2024:rapm-2024-105430. [PMID: 38876800 DOI: 10.1136/rapm-2024-105430] [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: 02/27/2024] [Accepted: 06/03/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND The population undergoing cardiac surgery confronts challenges from uncontrolled post-sternotomy pain, with possible adverse effects on outcome. While the parasternal block can improve analgesia, its coverage may be insufficient to cover epigastric area. In this non-blinded randomized controlled study, we evaluated the analgesic and respiratory effect of adding a rectus sheath block to a parasternal block. METHODS 58 patients undergoing cardiac surgery via median sternotomy were randomly assigned to receive parasternal block with rectus sheath block (experimental) or parasternal block with epigastric exit sites of chest drains receiving surgical infiltration of local anesthetic (control). The primary outcome of this study was pain at rest at extubation. We also assessed pain scores at rest and during respiratory exercises, opiate consumption and respiratory performance during the first 24 hours after extubation. RESULTS The median (IQR) maximum pain scores (on a 0-10 Numeric Rate Scale (NRS)) at extubation were 4 (4, 4) in the rectus sheath group and 5 (4, 5) in the control group (difference 1, p value=0.03). Rectus sheath block reduced opioid utilization by 2 mg over 24 hours (IC 95% 0.0 to 2.0; p<0.01), reduced NRS scores at other time points, and improved respiratory performance at 6, 12, and 24 hours after extubation. CONCLUSION The addition of a rectus sheath block with a parasternal block improves analgesia for cardiac surgery requiring chest drains emerging in the epigastric area. TRIAL REGISTRATION NUMBER NCT05764616.
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Affiliation(s)
- Alessandro Strumia
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Giuseppe Pascarella
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Domenico Sarubbi
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Annalaura Di Pumpo
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Fabio Costa
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Maria Cristina Conti
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Stefano Rizzo
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Mariapia Stifano
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Lara Mortini
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Alessandra Cassibba
- Research Unit of Anaesthesia and Intensive Care, Department of Medicine, Campus Bio-Medico University, Roma, Italy
| | - Lorenzo Schiavoni
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Alessia Mattei
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Alessandro Ruggiero
- Research Unit of Anaesthesia and Intensive Care, Department of Medicine, Campus Bio-Medico University, Roma, Italy
| | - Felice E Agrò
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
- Research Unit of Anaesthesia and Intensive Care, Department of Medicine, Campus Bio-Medico University, Roma, Italy
| | - Massimiliano Carassiti
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
- Research Unit of Anaesthesia and Intensive Care, Department of Medicine, Campus Bio-Medico University, Roma, Italy
| | - Rita Cataldo
- Operative Research Unit of Anesthesia and Intensive Care, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
- Research Unit of Anaesthesia and Intensive Care, Department of Medicine, Campus Bio-Medico University, Roma, Italy
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Ní Eochagáin A, Carolan S, Buggy DJ. Regional anaesthesia truncal blocks for acute postoperative pain and recovery: a narrative review. Br J Anaesth 2024; 132:1133-1145. [PMID: 38242803 DOI: 10.1016/j.bja.2023.12.020] [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: 04/14/2023] [Revised: 10/22/2023] [Accepted: 12/04/2023] [Indexed: 01/21/2024] Open
Abstract
Significant acute postoperative pain remains prevalent among patients who undergo truncal surgery and is associated with increased morbidity, prolonged patient recovery, and increased healthcare costs. The provision of high-quality postoperative analgesia is an important component of postoperative care, particularly within enhanced recovery programmes. Regional anaesthetic techniques have become increasingly prevalent within multimodal analgesic regimens and the widespread adoption of ultrasonography has facilitated the development of novel fascial plane blocks. The number of described fascial plane blocks has increased significantly over the past decade, leading to a burgeoning area of clinical investigation. Their applications are increasing, and truncal fascial plane blocks are increasingly recommended as part of procedure-specific guidelines. Some fascial plane blocks have been shown to be more efficacious than others, with favourable side-effect profiles compared with neuraxial analgesia, and are increasingly utilised in breast, thoracic, and other truncal surgery. However, use of these blocks is debated in regional anaesthesia circles because of limitations in our understanding of their mechanisms of action. This narrative review evaluates available evidence for the analgesic efficacy of the most commonly practised fascial plane blocks in breast, thoracic, and abdominal truncal surgery, in particular their efficacy compared with systemic analgesia, alternative blocks, and neuraxial techniques. We also highlight areas where investigations are ongoing and suggest priorities for original investigations.
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Affiliation(s)
- Aisling Ní Eochagáin
- Department of Anaesthesiology & Perioperative Medicine, Mater University Hospital, School of Medicine, University College Dublin, Dublin, Ireland; Outcomes Research, Cleveland Clinic, Cleveland, OH, USA.
| | - Seán Carolan
- Department of Anaesthesiology & Perioperative Medicine, Mater University Hospital, School of Medicine, University College Dublin, Dublin, Ireland
| | - Donal J Buggy
- Department of Anaesthesiology & Perioperative Medicine, Mater University Hospital, School of Medicine, University College Dublin, Dublin, Ireland; Outcomes Research, Cleveland Clinic, Cleveland, OH, USA; Euro-Periscope, The ESA-IC Oncoanaesthesiology Research Group, Europe
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Kessler P. [Old and New Regional Anesthesia Procedures Under Review - Abdomen to Toe]. Anasthesiol Intensivmed Notfallmed Schmerzther 2024; 59:159-179. [PMID: 38513641 DOI: 10.1055/a-2065-7660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
Ultrasound (US) technology has significantly expanded the spectrum of regional anesthesiological procedures in recent years. Abdominal wall blocks are becoming an increasingly integral part of a multimodal postoperative pain concept after abdominal surgery, gynecological or urological interventions. Thoracic epidural analgesia remains the gold standard for extensive surgery. The requirement for rapid postoperative mobilization and discharge after lower extremity surgery has led to the abandonment of neuroaxial or plexus blocks in favor of selective, peripheral blocks such as the PENG block or adductor canal block. The following article is intended to show the reader the change in the use of regional anesthesiological procedures for abdominal wall and lower extremity blocks using selected blockages.
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Jeffries SD, Harutyunyan R, Morse J, Hemmerling TM. Investigation into the clinical performance of rectus sheath block in reducing postoperative pain following surgical intervention: A systematic review and meta-analysis of randomised controlled trials. Indian J Anaesth 2024; 68:142-152. [PMID: 38435659 PMCID: PMC10903772 DOI: 10.4103/ija.ija_1099_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 03/05/2024] Open
Abstract
Background and Aims Rectus sheath block (RSB) is an effective postoperative pain control technique in abdominal surgical procedures. This systematic review evaluated the efficacy and outcome data of patients undergoing RSB compared to the standard of care in both laparoscopic and open surgical procedures. Methods This systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines (PROSPERO ID: CRD42022372596). The search was restricted to randomised controlled trials (RCTs) comparing RSB effectiveness on postoperative pain to any standard general anaesthesia technique (control). We systematically explored PubMed, Medline, Central, Scopus and Web of Science for RCTs from inception to September 2023. The primary outcome was the evaluation of pain scores at rest 0-2, 10-12 and 12-24 h postoperatively. The secondary outcome was the analysis of postoperative intravenous (IV) morphine equivalent consumption at 24-h. A risk-of-bias tool for randomised trials (ROB 2.0, Cochrane, Copenhagen, Denmark) assessment and Grades of Recommendation, Assessment, Development and Evaluation (GRADE, Cochrane, Copenhagen, Denmark) analysis was conducted to evaluate the quality of the RCTs. Results Twenty RCTs involving 708 participants who received RSB intervention and 713 who received alternative analgesic care were included. RSB pain scores were significantly lower than control at 0-2 h (P < 0.001) and 10-12 h (P < 0.001) postoperatively. No significant effect was observed at 24 h (P = 0.11). RSB performance compared to control in 24-h IV morphine equivalency in milligrams was significantly lower (P < 0.001). Conclusion RSB implementation was associated with reduced postoperative pain scores and decreased opioid consumption in IV morphine equivalency up to 24 h following surgical intervention.
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Affiliation(s)
- Sean D. Jeffries
- Department of Experimental Surgery, McGill University Health Center, Montréal, Canada
- Department of Anaesthesia, McGill University, Montréal, Canada
| | - Robert Harutyunyan
- Department of Experimental Surgery, McGill University Health Center, Montréal, Canada
| | - Joshua Morse
- Department of Experimental Surgery, McGill University Health Center, Montréal, Canada
| | - Thomas M. Hemmerling
- Department of Experimental Surgery, McGill University Health Center, Montréal, Canada
- Department of Anaesthesia, McGill University, Montréal, Canada
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Lönnqvist PA. Fascial plane blocks in children-Scientifically supported or not? Paediatr Anaesth 2024; 34:13-18. [PMID: 37650686 DOI: 10.1111/pan.14752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 08/14/2023] [Accepted: 08/23/2023] [Indexed: 09/01/2023]
Abstract
Since the introduction of Fascial Plane Blocks in 2007 there has been an enormous interest and application of Fascial Plane Blocks, evidenced by substantially more than 1000 PubMed items. Despite this gigantic number of publications, also including randomized controlled trials and meta-analyses in children, there is still no clear-cut insight into how much of the purported effect is in fact due to the blockade of nerve structures and how much is merely adding the well-known analgesic and anti-inflammatory effects of the plasma levels of local anesthetics that are achieved with these techniques. Furthermore, Fascial Plane Blocks appear useful only if compared to conventional multi-modal analgesia (no block or placebo) and Fascial Plane Blocks lack the potency to provide surgical anesthesia on their own and appear only to be of value when used for minor-moderate surgery. Despite the huge literature, there has so far not emerged any clinical situations where Fascial Plane Blocks have definitively been shown to be the block of choice, being decisively more effective than other established regional blocks. Lastly, Fascial Plane Blocks may appear as virtually free of complications, but case reports are emerging that point to a real risk for causing local anesthetic systemic toxicity when using Fascial Plane Blocks. This text aims to synthesize the current knowledge base regarding the Fascial Plane Blocks that are relevant to use in the pediatric context. In summary, there does currently not exist any convincing scientific evidence for the continued support for the use of Fascial Plane Blocks in children, except for the rectus sheath block and possibly also the transmuscular quadratus lumborum block.
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Affiliation(s)
- Per-Arne Lönnqvist
- Section of Anaesthesiology and Intensive Care, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
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Yang N, Tao QY, Niu JY, Sun H, He Y, Hou YB, Luo H, Zhang Z, Yu JM. Effect of a Local Anesthetic Injection Kit on Pain Relief and Postoperative Recovery After Transumbilical Single-Incision Laparoscopic Cholecystectomy. J Pain Res 2023; 16:2791-2801. [PMID: 37588778 PMCID: PMC10426734 DOI: 10.2147/jpr.s422454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 08/07/2023] [Indexed: 08/18/2023] Open
Abstract
Purpose This study was conducted to explore whether incisional infiltration using a local anesthetic injection kit could better relieve postoperative pain and enhance the quality of recovery compared with ultrasound-guided rectus sheath block (RSB) or conventional local anesthetic infiltration in patients undergoing transumbilical single-incision laparoscopic cholecystectomy (SILC). Patients and Methods A total of 60 patients undergoing SILC with American Society of Anesthesiology functional status scores of I-II were randomized into the rectus sheath block group (RSB group), conventional local wound infiltration group (LAI-I group) and incisional infiltration using a local anesthetic injection kit group (LAI-II group). The primary outcomes were the patient-controlled intravenous analgesia (PCIA) demand frequency within 48 hours after the operation and postoperative pain measured by a visual analog scale (VAS) at 2 h, 4 h, 8 h, 24 h, and 48 h after surgery. Secondary outcomes were the total procedure times, cumulative consumption of anesthetic drugs, duration of surgery, duration and awaking time of anesthesia, early recovery indicator and side effects. Results The PCIA demand frequency in LAI-II group was significantly lower compared with patients in the RSB and LAI-I group (both P < 0.001). Moreover, the total procedure times in LAI-I and LAI-II group was significantly shorter than that in the RSB group (P < 0.001, respectively), but it was comparable between LAI-I and LAI-II group (P = 0.471). Though lower at 2h and 4h postoperative in LAI-II group, pain scores at each time point had no statistical differences among three groups. There were no significant differences among three groups for other outcomes as well. Conclusion The effect of ultrasound-guided RSB and conventional local anesthetic infiltration in SILC patients were found to be similar in terms of relieving postoperative pain and promoting recovery. Incisional infiltration using a local anesthetic injection kit can significantly reduce the demand frequency of PCIA, which serves as a rescue analgesic.
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Affiliation(s)
- Na Yang
- Department of Anesthesiology, the Third Affiliated Hospital of Anhui Medical University (The First People’s Hospital of Hefei), Hefei, Anhui, People’s Republic of China
| | - Qing-Yu Tao
- Department of Anesthesiology, the Third Affiliated Hospital of Anhui Medical University (The First People’s Hospital of Hefei), Hefei, Anhui, People’s Republic of China
| | - Jing-Yi Niu
- Department of Anesthesiology, the Third Affiliated Hospital of Anhui Medical University (The First People’s Hospital of Hefei), Hefei, Anhui, People’s Republic of China
| | - Hao Sun
- Department of Anesthesiology, the Third Affiliated Hospital of Anhui Medical University (The First People’s Hospital of Hefei), Hefei, Anhui, People’s Republic of China
| | - Yan He
- Department of Anesthesiology, the Third Affiliated Hospital of Anhui Medical University (The First People’s Hospital of Hefei), Hefei, Anhui, People’s Republic of China
- Department of Anesthesiology, Wannan Medical College, Wuhu, Anhui, People’s Republic of China
| | - Yong-Bo Hou
- Department of Anesthesiology, the Third Affiliated Hospital of Anhui Medical University (The First People’s Hospital of Hefei), Hefei, Anhui, People’s Republic of China
- Department of Anesthesiology, Wannan Medical College, Wuhu, Anhui, People’s Republic of China
| | - Hong Luo
- Department of Anesthesiology, the Third Affiliated Hospital of Anhui Medical University (The First People’s Hospital of Hefei), Hefei, Anhui, People’s Republic of China
| | - Zhi Zhang
- Department of Biophysics and Neurobiology, University of Science and Technology of China, Hefei, Anhui, People’s Republic of China
| | - Jun-Ma Yu
- Department of Anesthesiology, the Third Affiliated Hospital of Anhui Medical University (The First People’s Hospital of Hefei), Hefei, Anhui, People’s Republic of China
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Tachi K, Inomata S, Tanaka M. The Ropivacaine Concentration Required for Ultrasound-Guided Rectus Sheath Block in Pediatric Patients Undergoing Single-Incision Laparoscopic Hernia Repair: A Sequential Allocation Dose-Finding Study. Cureus 2023; 15:e40668. [PMID: 37485192 PMCID: PMC10356968 DOI: 10.7759/cureus.40668] [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: 06/19/2023] [Indexed: 07/25/2023] Open
Abstract
BACKGROUND The local anesthetic concentration required for ultrasound-guided rectus sheath block (RSB) in children remains unknown. Knowledge of appropriate ropivacaine concentration can help clinicians reduce local anesthetic toxicity risk when performing ultrasound-guided RSB in children. This study aimed to determine the appropriate ropivacaine concentration for ultrasound-guided RSB in children undergoing laparoscopic inguinal hernia repair. METHODS In this single-arm prospective study with an up-down sequential allocation design of binary response variables, 18 consecutive children aged 11 months to 7 years undergoing single-incision laparoscopic percutaneous extraperitoneal closure were assessed. Orotracheal intubation was performed without intravenous anesthesia or a neuromuscular relaxant. After intubation, ultrasound-guided RSB was performed with a ropivacaine dose of 0.30 ml/kg (0.15 ml/kg per side). Dixon's up-and-down method was used to determine the concentration, starting from 0.25% in 0.05% increments. Surgery commenced ≥15 min following RSB. Body movement or a 20% increase in heart rate or systolic blood pressure within 1 min of surgery initiation determined an unsuccessful RSB. The 95% effective concentration of ropivacaine needed for successful RSB was calculated using the probit test. RESULTS The 95% effective concentration of ropivacaine needed for successful ultrasound-guided RSB was 0.31% (95% confidence interval, 0.25-7.29). The highest concentration of ropivacaine required for successful ultrasound-guided RSB in the group of patients in this study was 0.3%. CONCLUSION The 95% effective concentration of ropivacaine (0.30 ml/kg total, 0.15 ml/kg per side) for ultrasound-guided RSB was 0.31% in children undergoing single-incision laparoscopic surgery under general anesthesia.
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Affiliation(s)
- Keitaro Tachi
- Department of Anesthesiology, University of Tsukuba Hospital, Tsukuba, JPN
| | - Shinichi Inomata
- Department of Anesthesiology, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, JPN
| | - Makoto Tanaka
- Department of Anesthesiology, Institute of Clinical Medicine, University of Tsukuba, Tsukuba, JPN
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Chen L, Liu S, Cao Y, Yan L, Shen Y. Rectus sheath block versus local anesthetic infiltration in pediatric laparoscopic inguinal hernia repair: a randomized controlled trial. Int J Surg 2023; 109:716-722. [PMID: 36974687 PMCID: PMC10389327 DOI: 10.1097/js9.0000000000000265] [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: 10/06/2022] [Accepted: 02/03/2023] [Indexed: 03/29/2023]
Abstract
BACKGROUND Rectus sheath block (RSB) and local anesthetic infiltration (LAI) are used for postoperative analgesia in pediatric laparoscopic inguinal hernia repair. However, whether the analgesic effect of RSB is superior to LAI remains unclear. The authors hypothesized that RSB would reduce opioid consumption in patients. METHODS Patients aged 3-14 years scheduled for laparoscopic inguinal hernia repair were randomly allocated to the RSB, local anesthetic infiltration high concentration (LAIHC), local anesthetic infiltration low concentration (LAILC), or control groups. Preoperatively, they received 0.4 ml/kg of 0.25% ropivacaine (RSB), 0.4 ml/kg of 0.25% ropivacaine (LAILC), or 0.2 ml/kg of 0.5% ropivacaine(LAIHC), and 0.2 ml/kg of normal saline (control). The primary outcome was equivalent morphine consumption. RESULTS The authors analyzed 136 patients (RSB, 33; LAIHC, 34; LAILC, 35; control, 34). Intraoperative morphine equivalent consumption was lower in the RSB group [0.115 (0.107-0.123)] than in the LAIHC [0.144 (0.137-0.151)], LAILC [0.141 (0.134-0.149)], and control [0.160 (0.151-0.170)] groups ( P <0.001). In the post-anesthesia care unit, morphine equivalent consumption differed between the RSB [0.018 (0.010-0.027)], LAIHC [0.038 (0.028-0.049)], LAILC [0.056 (0.044-0.067)], and control [0.074 (0.063-0.084)] groups ( P <0.001). The rescue morphine equivalent consumption did not differ significantly between the RSB [0.015 (0.007-0.023)] and LAIHC [0.019 (0.010-0.029)] groups, which were lower than that in the control group [0.037 (0.029-0.045)] ( P =0.001). CONCLUSIONS RSB can provide effective analgesia for pediatric laparoscopic inguinal hernia repair, with better effectiveness than that of LAI at the same dose.
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Affiliation(s)
| | | | | | - Lei Yan
- Department of Anesthesiology
| | - Yang Shen
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Heping District, Shenyang, Liaoning Province, People’s Republic of China
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Chilkoti GT, Maurya P, Mohta M, Saxena AK, Gupta A, Kaur N, Bhatt S. Analgesic efficacy of Clonidine as an adjuvant in ultrasound-guided rectus sheath block for midline incisional hernia repair - A randomized double-blind controlled trial. J Anaesthesiol Clin Pharmacol 2023; 39:239-244. [PMID: 37564850 PMCID: PMC10410030 DOI: 10.4103/joacp.joacp_297_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/26/2021] [Accepted: 08/28/2021] [Indexed: 08/12/2023] Open
Abstract
Background and Aims Clonidine as an adjuvant has not been evaluated in rectus sheath block (RSB) for postoperative pain management in incisional hernia repair. The study aims to evaluate clonidine as an adjuvant in single-shot RSB along with general anesthesia (GA). Material and Methods This randomized, double-blind controlled study was conducted following IEC-Human approval and written informed consent from 30 patients of either sex, aged 16 to 60 years, ASA physical status I or II undergoing midline incisional hernia repair under GA. All patients received ultrasound-guided bilateral RSB following administration of GA. The subjects enrolled in the study were randomly allocated to receive either normal saline 1 mL (group B) or clonidine 1 μg/kg diluted to 1 mL with normal saline (group BC) as adjuvant along with 9 mL bupivacaine hydrochloride 0.25%. Inj. tramadol 1 mg/kg was administered for rescue analgesia. The primary outcome was the time to first request for analgesia, and secondary outcomes were total consumption of rescue analgesic over 24 h, numerical rating score (NRS), patients' satisfaction, hemodynamics, and side effects. Unpaired t-test and Chi-square test were used. Results On intergroup analysis, the mean time to first request for analgesia (in min) was significantly higher in group BC i.e., [9.60 (± 5.23) vs 5.33 (± 3.53); (P < 0.034]; whereas, the mean rescue analgesic consumption in 24 h (in mg) was higher in group B i.e., [(88.00 ± 60.97) vs (46.00 ± 48.08)]; (P < 0.045)]. Hemodynamic parameters i.e., mean blood pressure and heart rate were comparable between the two groups, and there were no side effects. Conclusion Clonidine as an adjuvant in single-shot ultasonography (USG)-guided RSB along with GA is efficacious for postoperative pain management following midline incisional hernia repair.
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Affiliation(s)
- Geetanjali T. Chilkoti
- Department of Anesthesiology and Critical Care, University College of Medical Sciences and Guru Teg Bahadur Hospital, Shahdara, Delhi 95, India
| | - Prakriti Maurya
- Department of Anesthesiology and Critical Care, University College of Medical Sciences and Guru Teg Bahadur Hospital, Shahdara, Delhi 95, India
| | - Medha Mohta
- Department of Anesthesiology and Critical Care, University College of Medical Sciences and Guru Teg Bahadur Hospital, Shahdara, Delhi 95, India
| | - Ashok K. Saxena
- Department of Anesthesiology and Critical Care, University College of Medical Sciences and Guru Teg Bahadur Hospital, Shahdara, Delhi 95, India
| | - Anju Gupta
- Department of Anesthesiology and Critical Care, All India Institute of Medical Sciences, Ansari Nagar, Delhi, India
| | - Navneet Kaur
- Department of Surgery, University College of Medical Sciences and Guru Teg Bahadur Hospital, Shahdara, Delhi 95, India
| | - Shuchi Bhatt
- Department of Radiodiagnosis, University College of Medical Sciences and Guru Teg Bahadur Hospital, Shahdara, Delhi 95, India
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Aggarwal AK, Ottestad E, Pfaff KE, Huai-Yu Li A, Xu L, Derby R, Hecht D, Hah J, Pritzlaff S, Prabhakar N, Krane E, D’Souza G, Hoydonckx Y. Review of Ultrasound-Guided Procedures in the Management of Chronic Pain. Anesthesiol Clin 2023; 41:395-470. [DOI: 10.1016/j.anclin.2023.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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A Retrospective Study Comparing Outcomes of Paravertebral Clonidine Infusion for Pediatric Patients Undergoing Nuss Procedure. CHILDREN (BASEL, SWITZERLAND) 2023; 10:children10020193. [PMID: 36832322 PMCID: PMC9954470 DOI: 10.3390/children10020193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023]
Abstract
INTRODUCTION The continuous paravertebral blockade as part of the multimodal pain protocol is an effective regional technique to control pain after the Nuss procedure. We investigated the effectiveness of clonidine as an adjunct to paravertebral ropivacaine infusion. METHODS We conducted a retrospective study of 63 patients who underwent Nuss procedures and received bilateral paravertebral catheters. Data on demographics, surgical, anesthesia, and block characteristics, numeric rating pain scores (NRS), opioids consumption, hospital length of stay, complications, and side effects from medication administration were collected in children who received paravertebral ropivacaine 0.2% infusion without (N = 45) and with clonidine (1 mcg/mL) (N = 18). RESULTS The two groups had similar demographics, although the clonidine group had higher Haller indices (6.5 (4.8, 9.4) vs. 4.8 (4.1, 6.6), p = 0.013). The clonidine group required less morphine equivalent/kg on postoperative day 2 (median, interquartile range 0.24 (0.22, 0.31) vs. 0.47 (0.29, 0.61) p = 0.002). There was no difference in median NRS pain scores. Both groups had similar catheter infusion durations, hospital length of stay, and complication rates. CONCLUSION A postoperative pain management plan that includes paravertebral analgesia, including clonidine as an adjunct, may be considered to minimize opioid administration for patients undergoing primary Nuss repair.
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Muacevic A, Adler JR. Comparison of Postoperative Analgesic Efficacy of Ultrasound-Guided Bilateral Rectus Sheath Block With That of Local Anaesthetic Infiltration in Patients Undergoing Emergency Midline Laparotomy Surgeries: A Randomised Controlled Trial. Cureus 2022; 14:e31033. [PMID: 36475212 PMCID: PMC9717716 DOI: 10.7759/cureus.31033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2022] [Indexed: 01/25/2023] Open
Abstract
Purpose Rectus sheath block (RSB) is increasingly utilised as a part of multimodal analgesia in laparotomy surgeries. We proposed this study to compare the analgesic efficacy of ultrasound-guided bilateral RSB with local anaesthetic (LA) infiltration. The primary outcome was the visual analogue scale (VAS) at rest and cough. The secondary outcomes were the postoperative morphine consumption, time to first rescue analgesia, incidence of postoperative nausea and vomiting (PONV) and patient satisfaction score. Methods In our prospective, single-centre, randomised clinical trial, we enrolled a total of 100 patients undergoing emergency midline laparotomy surgeries. They were randomly allocated into two groups and were administered either LA infiltration (group L, n=50) or ultrasound-guided bilateral RSB (group R, n=50) with 15-20 ml of 0.25% bupivacaine end operatively. The categorical and ordinal variables were analysed using Chi-square/ Fisher's exact test. The continuous and discrete variables were analysed using Mann-Whitney/independent Student t-test. Results The median VAS scores in the postoperative period were significantly lower with RSB when compared with LA. Statistically significant differences in median VAS scores were noticed at one hour (P<0.001), four hours (P=0.001), eight hours (P<0.001), and 12 hours (P=0.014) at rest, and at one hour (P<0.001), four hours (P<0.001) and eight hours (P<0.001) during cough. The median morphine consumption was less with RSB (P<0.001). The time to first rescue analgesia was prolonged with RSB (P<0.001). The incidence of PONV was significantly lower with RSB (P=0.027). Conclusion Bilateral ultrasound-guided RSB provides extended postoperative analgesia at rest and cough for patients undergoing emergency laparotomy surgeries when compared with LA infiltration. There was a significant reduction in morphine consumption, incidence of PONV, and prolonged time to first rescue analgesia with RSB.
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13
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Choi BJ, Choi SG, Ryeon O, Kwon W. A study of the analgesic efficacy of rectus sheath block in single-port total laparoscopic hysterectomy: a randomized controlled study. J Int Med Res 2022; 50:3000605221133061. [PMID: 36284454 PMCID: PMC9608058 DOI: 10.1177/03000605221133061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Objective To investigate the postoperative analgesic effects of rectus sheath block (RSB) in combination with patient-controlled analgesia (PCA) compared with PCA alone after single-port total laparoscopic hysterectomy (TLH) Methods This randomized, single-blind study enrolled female patients that underwent single-port TLH. The patients were randomized to receive either fentanyl PCA (PCA group) or RSB with the same PCA. The primary outcomes were fentanyl consumption at 8 h postoperatively and visual analogue scale (VAS) pain scores, which represented the severity of postoperative pain. Results A total of 36 patients were enrolled in the study: 18 in the PCA group and 18 in the RSB group (two patients were excluded). The primary outcome of fentanyl consumption was significantly lower at 8 h postoperatively in the RSB group than in the PCA group (148 ± 61 µg versus 222 ± 107 µg, respectively). VAS scores were significantly lower at arrival in the post-anaesthesia care unit and at 30 min after arrival in the RSB group compared with the PCA group. There were no significant differences in the nausea/vomiting score and in additional analgesic consumption between the two groups. Conclusions RSB can be used as a multimodal approach for pain control in single-port TLH procedures. Clinical Research Information Service (no. KCT0001461).
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Affiliation(s)
- Byung Jo Choi
- Department of Surgery, Daejeon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Republic of Korea
| | - Se Gyu Choi
- Department of Anaesthesiology and Pain Medicine, Daejeon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Republic of Korea
| | - Ohnchae Ryeon
- Department of Anaesthesiology and Pain Medicine, Daejeon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Republic of Korea
| | - Woojin Kwon
- Department of Anaesthesiology and Pain Medicine, Daejeon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Republic of Korea,Woojin Kwon, Department of Anaesthesiology and Pain Medicine, Daejeon St. Mary’s Hospital, The Catholic University of Korea, 64 Daeheung-ro, Jung-gu, Daejeon, 34943, Republic of Korea.
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14
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Zhen LH, Wang HB, Zhou Y. Comparison of rectus sheath block and local anesthetic for analgesia in pediatric umbilical hernia repair: A systematic review and meta-analysis. Medicine (Baltimore) 2022; 101:e30391. [PMID: 36086758 PMCID: PMC10980434 DOI: 10.1097/md.0000000000030391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 07/25/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Pediatric umbilical hernia repair could cause considerable postoperative discomfort. This study aimed to compare the analgesia between rectus sheath block and local anesthetic infiltration in child pediatric umbilical hernia repair. METHODS The relevant randomized controlled trials were searched from PubMed, Embase, Web of Science, EBSCO, and Cochrane library databases from its inception to October 2020. The random-effects model was used for meta-analysis. RESULTS Four randomized controlled trials were included in the meta-analysis. The 4 studies were published between 2006 and 2017, with sample sizes ranging from 13 to 52 and a total of 143 individuals across the 4 studies. The Jadad scores of the 4 included studies ranged from 4 to 5, and all 4 studies were considered high quality based on quality assessment. There was no difference in analgesic effect at 10 minutes (standardized mean difference [SMD] = -0.19; 95% confidence interval [CI] = -1.52 to 1.16; P = .78), 30 minutes (SMD = -0.37; 95% CI = -1.53 to 0.78; P = .52), 1 hour (SMD = -0.73; 95% CI = -2.00 to 0.53; P = .26) after surgery. Besides, there was no significant difference in postoperative nausea (risk ratio = 0.95; 95% CI = 0.18 to 5.02; P = .95) and postoperative morphine use in morphine equivalents (mean difference = -0.95; 95% CI = -0.06 to 0.01; P = .12). CONCLUSION Rectus sheath block and local anesthetic are effective methods for analgesia in pediatric umbilical hernia repair.
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Affiliation(s)
- Lun-Hui Zhen
- Department of Cardiothoracic Surgery and Abdominal Hernia Surgery, The People’s Hospital of Kai Zhou District, Chongqing, and
| | - Hong-Bing Wang
- Department of Gastrointestinal Surgery and Breast Surgery, The People’s Hospital of Kai Zhou District, Chongqing
| | - Yun Zhou
- Department of Cardiothoracic Surgery and Abdominal Hernia Surgery, The People’s Hospital of Kai Zhou District, Chongqing, and
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15
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Han D, Pan S. Comparison of Analgesic Efficacy of Local Anesthetic Infiltration and Ultrasound-guided Abdominal Wall Nerve Block in Children Undergoing Ambulatory Inguinal Hernia Repair. J Perianesth Nurs 2022; 37:699-705. [PMID: 35752525 DOI: 10.1016/j.jopan.2021.12.006] [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: 08/16/2021] [Revised: 12/01/2021] [Accepted: 12/26/2021] [Indexed: 10/17/2022]
Abstract
PURPOSE Placement of local anesthetics either as infiltration (LAI) or as abdominal wall nerve block (AWNB) has been shown to reduce postoperative pain following laparoscopic surgery. We aimed to compare intraoperative remifentanil consumption and postoperative pain of AWNB and LAI in children undergoing ambulatory two-port laparoscopic inguinal hernia surgery with propofol-remifentanil based general anesthesia. DESIGN Randomized controlled trial. METHODS Children aged between 1 and 6 years undergoing two-port laparoscopic inguinal hernia repair were enrolled for analysis. These children received one of the three anesthesia regimens (1) standard general anesthesia (SGA); (2) SGA with preemptive LAI; (3) SGA with preemptive AWNB; and were categorized accordingly. Primary outcome variable were intraoperative average infusion rate of remifentanil and postoperative FLACC (Face, Legs, Activity, Cry, and Consolability) pain score. Secondary outcome data included demographics, intraoperative variables (hemodynamics and bispectral index score recorded at three different time points), and duration of surgery. FINDINGS A total of 90 children (30 in each group) were included in the analysis. General information, intraoperative hemodynamic variables, bispectral index score, and duration of surgery were not significantly different among groups. The intragroup variation of hemodynamic variables were less stable in the SGA group compared with the other two groups, while BIS score was similar among groups. The intraoperative infusion rate of remifentanil was significantly lower in the AWNB group than in the SGA or the LAI group (median [25th to 75th centiles]: 0.11[0.11 to 0.11] µg/kg/min, 0.33[0.33 to 0.33] µg/kg/min; 0.17[0.17 to 0.20] µg/kg/min, respectively, P < .001 for both), and lower in the LAI group than in the SGA group (P < .001). The postoperative FLACC pain score was significantly lower in the AWNB group than in the SGA or the LAI group (P < .001 for both). CONCLUSIONS AWNB is associated with a lower intraoperative remifentanil requirement and a lower postoperative FLACC pain score compared with LAI in children undergoing laparoscopic inguinal hernia repair with propofol-remifentanil based general anesthesia.
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Affiliation(s)
- Ding Han
- Anesthesia Department, Children's Hospital affiliated to Capital Institute of Pediatrics, Beijing, China
| | - Shoudong Pan
- Anesthesia Department, Children's Hospital affiliated to Capital Institute of Pediatrics, Beijing, China.
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16
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Multimodal Analgesia in the Aesthetic Plastic Surgery: Concepts and Strategies. Plast Reconstr Surg Glob Open 2022; 10:e4310. [PMID: 35572190 PMCID: PMC9094416 DOI: 10.1097/gox.0000000000004310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 03/17/2022] [Indexed: 12/13/2022]
Abstract
Postoperative pain management is crucial for aesthetic plastic surgery procedures. Poorly controlled postoperative pain results in negative physiologic effects and can affect length of stay and patient satisfaction. In light of the growing opioid epidemic, plastic surgeons must be keenly familiar with opioid-sparing multimodal analgesia regimens to optimize postoperative pain control. Methods A review study based on multimodal analgesia was conducted. Results We present an overview of pain management strategies pertaining to aesthetic plastic surgery and offer a multimodal analgesia model for outpatient aesthetic surgery practices. Conclusion This review article presents an evidence-based approach to multimodal pain management for aesthetic plastic surgery.
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Siripruekpong S, Aphinyankul J, Chanchayanon T, Oofuvong M, Pakpirom J, Choksuchat C, Packawatchai P, Klongdee JN. Minimal effective dose of ultrasound-guided rectus sheath block to reduce oral analgesic requirement after ambulatory laparoscopic tubal resection: a randomized controlled superiority trial. Trials 2022; 23:228. [PMID: 35313936 PMCID: PMC8935718 DOI: 10.1186/s13063-022-06158-3] [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: 10/12/2021] [Accepted: 03/07/2022] [Indexed: 11/16/2022] Open
Abstract
Background The effective dose during ultrasound-guided rectus sheath block (URSB) for reducing pain after laparoscopic tubal ligation is reported to be 100 mg of 0.25% bupivacaine. We examined the minimal effective dose of 0.25% bupivacaine for URSB on oral analgesic requirement after ambulatory single-port laparoscopic tubal resection. Methods A prospective, randomized controlled, superiority trial was conducted among patients who had been scheduled for ambulatory laparoscopic tubal resection between September 2015 and January 2019 at a tertiary care hospital in southern Thailand. Anesthesia was induced following protocol. The intervention group was allocated to receive a bilateral URSB using 10 ml of 0.25% bupivacaine on either side after intubation (total 50 mg) while the control group did not receive the sham block. Patients and assessors were blinded to the study intervention. All patients received a multimodal analgesia regimen as follows: fentanyl and ketorolac intraoperatively and fentanyl and oral acetaminophen at the post-anesthetic care unit. Postoperative oral analgesic requirement (acetaminophen and/or ibuprofen) at home was the primary outcome. Postoperative time to first analgesic requirement, oral analgesia (acetaminophen/ibuprofen), and pain score at 6 and 24 h were accessed via telephone interviews. Percentage, effect size (ES), and 95% confidence interval (CI) were presented. Results A total of 66 out of 79 eligible patients were analyzed (32 intervention, 34 control). Intraoperative fentanyl consumption was significantly lower in the intervention group (ES [95% CI]: 0.58 [0.08, 1.07] mcg, p = 0.022). Time to first oral analgesia in the intervention group was significantly longer than that of the control group (ES [95% CI]: 0.66 [0.14, 1.16] h, p = 0.012). The proportion of oral analgesia requirement at 24 h after surgery in the control group was significantly higher than that in the intervention group (97% vs 75%, p = 0.012). Pain scores at 6 and 24 h were similar in both groups although slightly lower in the intervention group (ES [95% CI]: 0.22 [−0.26, 0.71], p = 0.368 and 0.33 [−0.16, 0.81], p = 0.184, respectively). Conclusion A dose of 0.25% bupivacaine 50 mg for URSB reduced the oral analgesic requirement at 24 h and prolonged the time to first analgesic requirement after ambulatory laparoscopic tubal resection. Trial registration Thaiclinicaltrials.orgTCTR20150921002. Registered on 18 September 2015
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18
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Ferreira TH, Schroeder CA, St James M, Hershberger-Braker KL. Description of an ultrasound-guided rectus sheath block injection technique and the spread of dye in calf cadavers. Vet Anaesth Analg 2022; 49:203-209. [PMID: 35067478 DOI: 10.1016/j.vaa.2021.12.006] [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: 11/18/2021] [Revised: 12/20/2021] [Accepted: 12/20/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVES To describe an ultrasound-guided rectus sheath (RS) block technique in calves with injections of methylene blue and assess the extent of injectate spread and nerve staining in calf cadavers. STUDY DESIGN Prospective, experimental, blinded cadaveric study. ANIMALS A total of 16 calf cadavers weighing 30.7 ± 7.1 kg. METHODS Using an ultrasound-guided, in-plane technique, each cadaver was injected with both a low (LV; 0.25 mL kg-1) and high (HV; 0.5 mL kg-1) volume of methylene blue dye. Volumes were randomly assigned to the left or right hemiabdomen. Ultrasound imaging was scored based on landmarks and needle visualization, and duration to perform injections were assessed. Dissections were performed immediately after injections. Staining of ventral branches of spinal nerves and the extent of dye spread were recorded by an anatomist unaware of treatment allocation. RESULTS The number of nerves stained in treatments LV and HV were 2.3 ± 1.7 and 4.4 ± 1.3, respectively (p = 0.0001). Branches of thoracic nerves T7-13 and lumbar nerves L1-2 were completely stained 6.3%, 6.3%, 31.3%, 62.5%, 56.3%, 37.5%, 31.3%, 6.3% and 0%, respectively, in treatment LV and 0%, 12.5%, 50%, 93.8%, 100%, 93.8%, 62.5%, 25% and 6.3%, respectively, in treatment HV. Ultrasound imaging was scored excellent in most cadavers and needle visualization deemed excellent in all injections. The mean duration to perform RS injections in both treatments was 2 (range, 1-6) minutes. CONCLUSIONS AND CLINICAL RELEVANCE Nerve staining results from treatment HV suggest that this RS injection technique could be clinically useful in ventral midline surgical procedures, including umbilical procedures, in calves. This study supports future clinical trials in calves.
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Affiliation(s)
- Tatiana H Ferreira
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA.
| | - Carrie A Schroeder
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Mariko St James
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Karen L Hershberger-Braker
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA; Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
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19
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Al-Sawat A, Lee CS, Hong SH, Shim JW, Chae MS, Han SR, Bae JH, Lee IK, Lee D, Lee YS. Clinical effect of rectus sheath block compared to intrathecal morphine injection for minimally invasive colorectal cancer surgery: a propensity score-matched study. Int J Colorectal Dis 2022; 37:665-672. [PMID: 35119522 DOI: 10.1007/s00384-022-04094-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/09/2022] [Indexed: 02/04/2023]
Abstract
PURPOSE To evaluate the postoperative outcomes of a multimodal perioperative pain management protocol with rectus sheath blocks (RSBs) or intrathecal morphine (ITM) injection for minimally invasive colorectal cancer surgery. METHODS A total of 112 patients underwent minimally invasive colorectal surgery. Forty-one patients underwent RSB (group 1), whereas 71 patients underwent ITM (group 2) in addition to multimodal pain management using enhanced recovery after the surgery protocol. To adjust for the baseline differences and selection bias, baseline characteristics and postoperative outcomes were compared using propensity score matching. RESULTS Forty patients were evaluated in each group. There was no significant difference in the length of hospital stay between the two groups. According to the Comprehensive Complication Index (CCI) score, the postoperative complication rate was significantly lower in the RSB group (3.0 ± 7.8) than in the ITM group (8.1 ± 10.9; p = 0.016). During the first 24 h after surgery, the median postoperative visual analog scale score was significantly higher in the RSB group than in the ITM group (2.0 ± 1.1 vs. 1.5 ± 1.2; p = 0.048). Postoperative morphine use was also significantly higher in the RSB group than in the ITM group in the first 24 h (23.7 ± 19.8 vs 11.6 ± 15.6%; p = 0.003) and 48 h (16.9 ± 24.8 vs. 7.5 ± 11.9; p = 0.036) after surgery. Significant urinary retention occurred after the in the RSB and ITM groups (5% vs. 45%; p < 0.001). CONCLUSION Although the RSB group had higher morphine use during the first 48 h after surgery, the length of hospital stay remained the same and the complications were less in terms of the CCI score. Thus, transperitoneal RSB is a safe and feasible approach for postoperative pain management following minimally invasive procedures.
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Affiliation(s)
- Abdullah Al-Sawat
- Department of Surgery, College of Medicine, Taif University, Taif, Saudi Arabia
| | - Chul Seung Lee
- Division of Colorectal Surgery, Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sang Hyun Hong
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jung-Woo Shim
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Min Suk Chae
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Rim Han
- Division of Colorectal Surgery, Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jung Hoon Bae
- Division of Colorectal Surgery, Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - In Kyu Lee
- Division of Colorectal Surgery, Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Dosang Lee
- Division of Colorectal Surgery, Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yoon Suk Lee
- Division of Colorectal Surgery, Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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20
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Shim JW, Jung S, Moon HW, Lee JY, Park J, Lee HM, Kim YS, Hong SH, Chae MS. Rectus sheath block for acute pain management after robot-assisted laparoscopic prostatectomy. Asian J Surg 2021; 45:1843-1848. [PMID: 34801360 DOI: 10.1016/j.asjsur.2021.10.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/12/2021] [Accepted: 10/25/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Robot-assisted laparoscopic prostatectomy (RALP) is a favored surgical approach for treating prostate cancer. However, RALP does not decrease postoperative pain significantly despite its minimal invasiveness. The pain associated with robot-assisted surgery is most severe during the immediate postoperative period. We aimed to demonstrate that preoperative rectus sheath block (RSB) can reduce acute pain after RALP. METHODS A prospective non-randomized study with two parallel groups was performed from June 2020 to August 2020. A total of 100 patients undergoing RALP were divided into two groups: the RSB group (n = 50) and the non-RSB group (n = 50). Ultrasound-guided RSB was performed preoperatively only in the RSB group. The primary outcome of the study was the visual analog scale (VAS) pain score during coughing (VAS-C) 1 h after surgery. In addition, the VAS pain score at rest (VAS-R) and the VAS-C were assessed up to 24 h after surgery. The doses of postoperative opioids consumed were also recorded. RESULTS The RSB group had a significantly lower VAS-C 1 h after RALP (58 [47-73] vs. 74 [63-83] mm, p = 0.001). In addition, the RSB group had significantly lower VAS-R and VAS-C scores, and postoperative opioid requirement, up to 6 h after surgery compared to the non-RSB group. Moreover, the VAS-R was significantly lower in the RSB group than in the non-RSB group 24 h after surgery. CONCLUSION Preoperative RSB significantly improved analgesia during the early period after RALP. The long-term analgesic efficacy of RSB needs further study.
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Affiliation(s)
- Jung-Woo Shim
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sangmin Jung
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hyong Woo Moon
- Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Ji Youl Lee
- Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jaesik Park
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hyung Mook Lee
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yong-Suk Kim
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sang Hyun Hong
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Min Suk Chae
- Department of Anesthesiology and Pain Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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Kim DH, Kim SJ, Liu J, Beathe J, Memtsoudis SG. Fascial plane blocks: a narrative review of the literature. Reg Anesth Pain Med 2021; 46:600-617. [PMID: 34145072 DOI: 10.1136/rapm-2020-101909] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 12/16/2022]
Abstract
Fascial plane blocks (FPBs) are increasingly numerous and are often touted as effective solutions to many perioperative challenges facing anesthesiologists. As 'new' FPBs are being described, questions regarding their effectiveness remain unanswered as appropriate studies are lacking and publications are often limited to case discussions or technical reports. It is often unclear if newly named FPBs truly represent a novel intervention with new indications, or if these new publications describe mere ultrasound facilitated modifications of existing techniques. Here, we present broad concepts and potential mechanisms of FPB. In addition, we discuss major FPBs of (1) the extremities (2) the posterior torso and (3) the anterior torso. The characteristics, indications and a brief summary of the literature on these blocks is included. Finally, we provide an estimate of the overall level of evidence currently supporting individual approaches as FPBs continue to rapidly evolve.
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Affiliation(s)
- David H Kim
- Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA.,Department of Anesthesiology, Weill Cornell Medical College, New York, NY, USA
| | - Sang Jo Kim
- Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA.,Department of Anesthesiology, Weill Cornell Medical College, New York, NY, USA
| | - Jiabin Liu
- Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA.,Department of Anesthesiology, Weill Cornell Medical College, New York, NY, USA
| | - Jonathan Beathe
- Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA.,Department of Anesthesiology, Weill Cornell Medical College, New York, NY, USA
| | - Stavros G Memtsoudis
- Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA .,Department of Anesthesiology, Weill Cornell Medical College, New York, NY, USA
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22
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Commentary on: "Meta-analysis of mortality risk in octogenarians undergoing emergency general surgery operations". Surgery 2021; 170:1591-1592. [PMID: 34020791 DOI: 10.1016/j.surg.2021.04.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 04/14/2021] [Indexed: 11/20/2022]
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23
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Comparative Analgesic Efficacies of Ropivacaine and Bupivacaine for Postoperative Rectus Sheath Block in Paediatric Abdominal Surgery: A Meta-Analysis of Randomized Controlled Trial and Retrospective Cohort Studies. Pain Res Manag 2021; 2021:5535730. [PMID: 33815632 PMCID: PMC7987409 DOI: 10.1155/2021/5535730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 02/19/2021] [Indexed: 11/29/2022]
Abstract
Background The optimal dose and concentration of analgesic efficacy of ropivacaine (RPV) and bupivacaine (BPV) for postoperative pain relief in paediatric abdominal surgery patients is still unclear. Therefore, this meta-analysis compared the efficacy of these analgesics, their administered modes (ultrasound-guided RSB versus LAI) for postoperative pain relief, and side effects. Methods Three databases, PubMed, Embase, and Cochrane Database of Systematic Reviews, were exhaustively searched with predefined keywords. Eight randomized clinical trials and retrospective studies were selected. Analgesic effect, postoperative pain score, level of side effect, applied dose, and concentration of drug were analysed. Results Drug dose ranged from 0.5–2.5 mL/kg of 0.2 to 0.5% concentrations. Male participant for RSB and LAI treatment groups varied from 40–62% and 25–83%, respectively. Mean age of RSB and LAI groups ranged from 3.8–11.65 years and 4.3–11.27 years, respectively. Our meta-analysis revealed that RSB could reduce total opioid use postoperatively (WMD = −0.02, 95% CI: −0.02, −0.02), with I2 value of 15%. We found that the RPV (0.25%, 2.5 ml/kg) was optimal in suppressing the pain. Its lower concentration (0.2%) was ineffective, whereas higher one (0.375%) seems to increase risk of systemic toxicity. Similarly, BPV (0.25%, 2.5 mg/kg) efficaciously reduced the pain score, while its lower concentration was ineffective. The combined postoperative pain score in the RPV-treated group was found to be significantly reduced (p < 0.01) with I2 value of 85% indicating high heterogeneity. Conclusion Both RPV and BPV were significantly effective in reducing postoperative pain score. It appears that RSB could be a preferred choice to deliver analgesia, due to reduced opiate dose requirement and improved clinical safety without significant postoperative adverse events.
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Surgical rectus sheath block combined with multimodal pain management reduces postoperative pain and analgesic requirement after single-incision laparoscopic appendectomy: a retrospective study. Int J Colorectal Dis 2021; 36:75-82. [PMID: 32875376 DOI: 10.1007/s00384-020-03725-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/25/2020] [Indexed: 02/04/2023]
Abstract
PURPOSE This study aimed to evaluate the impact of multimodal postoperative pain management, performing a surgical rectus sheath (RS) block via ropivacaine injection into the surgical field after single-incision laparoscopic appendectomy (SILA). METHODS Patients who underwent single-incision laparoscopic appendectomy (SILA) for acute appendicitis were divided into three groups and compared: group 1 (multimodal pain management that included intraoperative application of a surgical RS block), group 2 (conventional pain management with intravenous opioids), or group 3 (multimodal pain management without RS block). Forty, 53, and 42 patients were registered, respectively (Table 1). RESULTS Time to start a liquid (1.2 ± 0.4 h) in group 1 was statistically significantly shorter than that in group 2 (16.3 ± 8.4 h; p < 0.001) and group 3 (4.93 ± 2.3 h; p < 0.001). The median and max postoperative VAS scores in group 1 (1.6 ± 1.2 and 2.2 ± 1.8, respectively) were statistically significantly lower than that in group 2 (3.0 ± 1.2 and 4.2 ± 1.9, respectively; p < 0.001 on both accounts) and group 3 (2.9 ± 0.6 and 3.4 ± 1.2, respectively; p < 0.001 on both accounts). The postoperative hospital stay for group 1 (17.0 ± 9.4 h) was shorter than that for group 2 (44.7 ± 27.9 h; p < 0.001) and group 3 (35.4 ± 20.9 h; p < 0.001). RS block was a significant factor for reducing length of hospital stay and postoperative pain in 24 h. CONCLUSIONS A surgical RS block combined with multimodal pain management after SILA is a safe and effective method that results in reduced postoperative pain and shorter hospitalization.
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Course of the thoracic nerves around the umbilicus within the posterior layer of the rectus sheath: a cadaver study. J Anesth 2020; 34:953-957. [PMID: 33064199 DOI: 10.1007/s00540-020-02863-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 10/03/2020] [Indexed: 10/23/2022]
Abstract
Rectus sheath block is used to anesthetize thoracic nerves around the umbilicus. However, the appropriate point for anesthetic injection during rectus sheath block has not been determined anatomically. Here, we examined the course of thoracic nerve T10 at the posterior layer of the rectus sheath and the anatomical relationship between the nerve and the rectus abdominis and transversus abdominis muscles in formalin-fixed adult cadavers. The cranio-caudal distance from a horizontal line running through the umbilicus to where the thoracic nerve T10 passes through the posterior layer of the rectus sheath was 33.8 ± 14.4 (mean ± standard deviation) mm, while that from the horizontal line running through the umbilicus to the position where the lateral edge of the rectus abdominis muscle and the medial border of the transversus abdominis muscle cross was 33.1 ± 17.1 mm. The position where the lateral edge of the rectus abdominis muscle and the medial border of the transversus abdominis muscle cross approximates the position where thoracic nerves T10 passes through the posterior layer of the rectus sheath. Our results identify effective landmarks to guide the performance of rectus sheath block.
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Steinfeldt T, Kessler P, Vicent O, Schwemmer U, Döffert J, Lang P, Mathioudakis D, Hüttemann E, Armbruster W, Sujatta S, Lange M, Weber S, Reisig F, Hillmann R, Volk T, Wiesmann T. [Peripheral truncal blocks-Overview and assessment]. Anaesthesist 2020; 69:860-877. [PMID: 32620990 DOI: 10.1007/s00101-020-00809-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
By implementation of sonography for regional anesthesia, truncal blocks became more relevant in the daily practice of anesthesia and pain therapy. Due to visualized needle guidance ultrasound supports more safety and helps to avoid complications during needle placement. Additionally, complex punctures are possible that were associated with higher risk using landmarks alone. Next to the blocking of specific nerve structures, interfascial and compartment blocks have also become established, whereby the visualization of individual nerves and plexus structures is not of relevance. The present review article describes published and clinically established puncture techniques with respect to the indications and procedures. The clinical value is reported according to the scientific evidence and the analgesic profile. Moreover, the authors explain potential risks, complications and dosing of local anesthetic agents.
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Affiliation(s)
- T Steinfeldt
- Klinik für Anästhesiologie, operative Intensivmedizin und Schmerztherapie, Diakoneo DIAK Klinikum, Diakoniestr. 10, 74523, Schwäbisch Hall, Deutschland.
- Klinik für Anästhesie und Intensivtherapie, Philipps-Universität Marburg, Baldingerstr., 35033, Marburg, Deutschland.
| | - P Kessler
- Abteilung für Anästhesiologie, Intensiv- und Schmerzmedizin, Orthopädische Universitätsklinik Friedrichsheim, Marienburgstraße 2, 60528, Frankfurt am Main, Deutschland
| | - O Vicent
- Klinik und Poliklinik für Anästhesiologie und Intensivtherapie, Universitätsklinikum Karl-Gustav Carus, Fetscherstr. 74, 01307, Dresden, Deutschland
| | - U Schwemmer
- Klinik für Anästhesiologie und Intensivmedizin, Kliniken des Landkreises Neumarkt i.d.OPf., Nürnberger Str. 12, 92318, Neumarkt i.d.OPf., Deutschland
| | - J Döffert
- , Leipzigerstraße 18, 76356, Weingarten, Deutschland
| | - P Lang
- Klinik für Anästhesiologie, operative Intensivmedizin und Schmerztherapie, Klinikum am Bruderwald, Sozialstiftung Bamberg, Burger Str. 80, 96049, Bamberg, Deutschland
| | - D Mathioudakis
- Centre Hospitalier Bienne, Chante-Merle 84, Case postale, 2501, Bienne, Schweiz
| | - E Hüttemann
- Klinik für Anästhesiologie und Intensivmedizin, Klinikum Worms gGmbH, Gabriel-von-Seidl-Straße 81, 67550, Worms, Deutschland
| | - W Armbruster
- Klinik für Anästhesiologie, Intensivmedizin, Schmerztherapie, Evangelisches Krankenhaus Unna, Holbeinstraße 10, 59423, Unna., Deutschland
| | - S Sujatta
- Klinik für Anästhesiologie und Operative Intensivmedizin, Klinikum Bayreuth GmbH, Preuschwitzer Straße 101, 95445, Bayreuth, Deutschland
| | - M Lange
- Abteilung Anästhesie und Intensivtherapie, Waldkrankenhaus "Rudolf Elle" GmbH, Klosterlausnitzer Straße 81, 07607, Eisenberg, Deutschland
| | - S Weber
- Klinik für Anästhesie, Intensivmedizin und Schmerztherapie, Heilig Geist Krankenhaus Köln, Graseggerstr. 105, 50737, Köln, Deutschland
| | - F Reisig
- Standort Burgdorf, Schweiz. Abteilung für Anästhesiologie, Spital Emmental, Oberburgstraße 54, 3400, Burgdorf, Schweiz
| | - R Hillmann
- , Goethestr. 35, 73614, Schorndorf, Deutschland
| | - T Volk
- Klinik für Anästhesiologie, Intensivmedizin und Schmerztherapie, Universitätsklinikum des Saarlandes, Gebäude 57, 66421, Homburg, Deutschland
| | - T Wiesmann
- Klinik für Anästhesie und Intensivtherapie, UKGM Gießen-Marburg, Standort Marburg, Baldingerstr., 35033, Marburg, Deutschland
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Li Y, Jiang X, Wang J, Yang L, Chen W, Miao X, Yuan H. Intravenous Dexmedetomidine Combined with Ultrasound-Guided Rectus Sheath Block for Open Gastrectomy: a Prospective Randomized Trial. J Gastrointest Surg 2020; 24:1290-1297. [PMID: 31147972 DOI: 10.1007/s11605-019-04249-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Accepted: 04/24/2019] [Indexed: 01/31/2023]
Abstract
PURPOSE To compare the incidences of positive hemodynamic response (HR > 100 beats min-1 or SBP > 160 mmHg) during abdominal exploration and moderate pain after surgery, when using dexmedetomidine infusion and rectus sheath block. METHODS One hundred patients undergoing open gastrectomy were randomized to receive rectus sheath block with ropivacaine (Group B, n = 25), initial loading dose of 0.6 μg kg-1 dexmedetomidine, followed by a continuous infusion of 0.2 μg kg-1 h-1 throughout surgery (Group D, n = 25), both rectus sheath block and dexmedetomidine (Group BD, n = 25), or neither rectus sheath block nor dexmedetomidine (Group C, n = 25). General anesthesia techniques were standardized. HR, SBP, and positive hemodynamic response at peritoneum incision (TPI), 5 min (TAE-5), 10 min (TAE-10), and 15 min (TAE-15) after the start of abdominal exploration, and incidences of moderate postoperative pain were recorded. RESULTS Positive hemodynamic responses during abdominal exploration were more common in Groups B (82%) and C (74%) than in Groups D (14%) and BD (9%) (all P = 0.000). HR and SBP were lower in Groups D and BD, compared with those in Groups C and B (all P < 0.05). Compared with TPI, HR and SBP increased significantly in Groups B and C during abdominal exploration (all P < 0.05), but not in Group BD (except HR at TAE-15). The incidences of moderate pain in Groups B and BD were noticeably lower than in Groups C and D at 1 h, 2 h, and 6 h after surgery (all P < 0.0083). CONCLUSION Dexmedetomidine infusion combined with rectus sheath block provided more hemodynamic stability during abdominal exploration and better analgesia after surgery.
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Affiliation(s)
- Yonghua Li
- Department of Anesthesiology, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - Xin Jiang
- Department of Anesthesiology, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - Jiafeng Wang
- Department of Anesthesiology, Changhai Hospital, Second Military Medical University, No. 168 Changhai Road, Shanghai, 200433, China
| | - Liye Yang
- Department of Anesthesiology, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - Wei Chen
- Department of Anesthesiology, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China
| | - Xuerong Miao
- Department of Anesthesiology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, No.225 Changhai Road, Shanghai, 200433, China.
| | - Hongbin Yuan
- Department of Anesthesiology, Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Shanghai, 200003, China.
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Tamura T, Kaneko K, Yokota S, Kitao T, Ando M, Kubo Y, Nishiwaki K. Comparison between rectus sheath block with 0.25% ropivacaine and local anesthetic infiltration with 0.5% ropivacaine for laparoscopic inguinal hernia repair in children. NAGOYA JOURNAL OF MEDICAL SCIENCE 2020; 81:341-349. [PMID: 31579326 PMCID: PMC6728192 DOI: 10.18999/nagjms.81.3.341] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This randomized, observer-blinded prospective study aimed to compare the postoperative analgesic effects of ultrasound-guided rectus sheath block with those of local anesthetic infiltration of the surgical field in children undergoing inguinal hernia repair. Children aged 2 to 14 years, scheduled for elective single-incision laparoscopic percutaneous extraperitoneal closure, were randomly allocated to receive ultrasound-guided rectus sheath block (group R) or local anesthetic infiltration of the surgical field (group L). In group R, 0.5 ml/kg of 0.25% ropivacaine (per side) was administered after intubation. In group L, 0.4 ml/kg of 0.5% ropivacaine was administered after peritoneal closure. Postoperative pain was assessed using the Face Scale and Face, Legs, Activity, Cry, Consolability scale at various time points, including the primary endpoint of 2 h after leaving the operation room. Additional analgesic drugs were used according to the Face Scale scores. Patient characteristics, the amount of additional drugs, and complication rate were evaluated in both groups. The patient and surgical characteristics were comparable between groups. The Face Scale and Face, Legs, Activity, Cry, Consolability scale scores were not significantly different between group R (n = 38) and group L (n = 38) at 2 h after leaving the operation room. The amount of additional drugs administered at 2 h after leaving the operation room were also comparable between groups. Our findings suggest that the postoperative analgesic efficacy of ultrasound-guided rectus sheath block is not superior to that of local anesthetic infiltration of the surgical field for pediatric single-incision laparoscopic percutaneous extraperitoneal closure.
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Affiliation(s)
- Takahiro Tamura
- Department of Anesthesiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kenitiro Kaneko
- Department of Pediatric Surgery, Aichi Medical University Graduate School of Medicine, Nagoya, Japan
| | - Shuichi Yokota
- Division of Anesthesia, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, Japan
| | - Takashi Kitao
- Division of Anesthesia, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, Japan
| | - Masahiko Ando
- Center for Advanced Medicine and Clinical Research, Nagoya University Hospital, Nagoya, Japan
| | - Yoko Kubo
- Center for Advanced Medicine and Clinical Research, Nagoya University Hospital, Nagoya, Japan
| | - Kimitoshi Nishiwaki
- Department of Anesthesiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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St James M, Ferreira TH, Schroeder CA, Hershberger-Braker KL, Schroeder KM. Ultrasound-guided rectus sheath block: an anatomic study in dog cadavers. Vet Anaesth Analg 2019; 47:95-102. [PMID: 31786077 DOI: 10.1016/j.vaa.2019.09.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 09/03/2019] [Accepted: 09/05/2019] [Indexed: 10/25/2022]
Abstract
OBJECTIVES To describe the ultrasound-guided rectus sheath block technique and the anatomical spread of two volumes of methylene blue injection in dog cadavers. STUDY DESIGN Blinded, prospective, experimental cadaveric study. ANIMALS A total of eight dog cadavers weighing 8.9 ± 1.6 kg. METHODS Ultrasound-guided rectus sheath injections were performed bilaterally 1 cm cranial to the umbilicus using 0.25 mL kg-1 (low volume; LV) and 0.50 mL kg-1 (high volume; HV) of 0.5% methylene blue dye. A total of 16 hemiabdomens were injected. The ultrasound image quality of the muscular and fascial plane landmarks and needle visualization were scored using a standardized scale. Cadavers were dissected to determine the distribution of the dye and to assess staining of ventral branches of the spinal nerves. RESULTS Fewer ventral spinal nerve branches were stained in the LV group than in the HV group, at 2.00 ± 0 and 2.90 ± 0.83, respectively (p < 0.01). Ventral branches of thoracic (T) and lumbar (L) spinal nerves (T10, T11, T12, T13 and L1) were stained 25%, 100%, 75%, 25% and 0% of the time in LV group and 12.5%, 87.5%, 100.0%, 75.0% and 13.0% in HV group. A lesser extent of cranial-caudal dye distribution was observed in the LV group than in the HV group (7.1 ± 1.8 cm and 9.2 ± 1.8 cm, respectively; p = 0.03). There was no significant difference in medial-lateral spread of dye, number of test doses or ultrasound image quality scores between groups. CONCLUSIONS AND CLINICAL RELEVANCE The results of this study suggest that, on an anatomical basis, this easily performed block has the potential to provide effective abdominal wall analgesia for the ventral midline. This study supports the potential of the rectus sheath block for abdominal procedures, and further investigations on its clinical efficacy are warranted.
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Affiliation(s)
- Mariko St James
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Tatiana H Ferreira
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA.
| | - Carrie A Schroeder
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Karen L Hershberger-Braker
- Department of Pathobiological Sciences, Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Kristopher M Schroeder
- Department of Anesthesiology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
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Cibelli M, Brodier EA, Smith FG. Pectoralis-Intercostal-Rectus Sheath (PIRS) Plane Block With Catheters. A New Technique to Provide Analgesia in Cardiac Surgery. J Cardiothorac Vasc Anesth 2019; 34:846-847. [PMID: 31590939 DOI: 10.1053/j.jvca.2019.09.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 09/14/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Mario Cibelli
- Department of Cardiothoracic Anaesthesia, Queen Elizabeth University Hospital Birmingham, Birmingham, UK
| | - Elizabeth A Brodier
- Department of Anaesthesia, Queen Elizabeth University Hospital Birmingham, Birmingham, UK
| | - Fang Gao Smith
- Institution of Inflammation and Ageing - University of Birmingham, Birmingham, UK
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Jeong HW, Kim CS, Choi KT, Jeong SM, Kim DH, Lee JH. Preoperative versus Postoperative Rectus Sheath Block for Acute Postoperative Pain Relief after Laparoscopic Cholecystectomy: A Randomized Controlled Study. J Clin Med 2019; 8:jcm8071018. [PMID: 31336767 PMCID: PMC6679218 DOI: 10.3390/jcm8071018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 07/06/2019] [Accepted: 07/10/2019] [Indexed: 12/04/2022] Open
Abstract
Background: Pain after laparoscopic cholecystectomy (LC) is multifactorial and usually not effectively treated. Rectus sheath block (RSB) has been proven to reduce the pain from midline abdominal incision and laparoscopic surgery. We investigated the preemptive analgesic effect of RSB after LC. Methods: In this prospective, randomized, single-center trial, 200 patients undergoing LC were randomized into preoperative RSB (pre-RSB) or postoperative RSB (post-RSB) group. An ultrasound-guided RSB was performed before skin incision in the pre-RSB group or after skin closure in the post-RSB group. The primary outcome was total rescue analgesic consumption at 24 h post-surgery. The secondary outcomes were cumulated rescue analgesic consumption and postoperative pain measured by numerical rating scale (NRS) at 0, 1, 2, 6, 9, 18, and 24 h post-surgery. Results: Total rescue analgesic consumption at 24 h post-surgery was significantly lower in the pre-RSB group than in the post-RSB group (p = 0.020). The cumulated rescue analgesic consumption was significantly lower in the pre-RSB group than in the post-RSB group at 1 h (p = 0.023), 9 h (p = 0.020) and 18 h (p = 0.002) post-surgery. NRS was significantly lower in the pre-RSB group than in the post-RSB group at 0 h post-surgery (p = 0.023). Conclusion: The pre-RSB reduced the analgesic requirements in patients undergoing LC compared with the post-RSB.
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Affiliation(s)
- Hye-Won Jeong
- Department of Anesthesiology and Pain Medicine, International St. Mary's Hospital, Catholic Kwandong University College of Medicine, Incheon 22711, Korea
| | - Chan Sik Kim
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Kyu Taek Choi
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Sung-Moon Jeong
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Doo-Hwan Kim
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
| | - Jong-Hyuk Lee
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
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Efficacy of combined ultrasound guided anterior and posterior rectus sheath block for postoperative analgesia following umbilical hernia repair: Randomized, controlled trial. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2016.10.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Guay J, Suresh S, Kopp S. The use of ultrasound guidance for perioperative neuraxial and peripheral nerve blocks in children. Cochrane Database Syst Rev 2019; 2:CD011436. [PMID: 30820938 PMCID: PMC6395955 DOI: 10.1002/14651858.cd011436.pub3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND The use of ultrasound guidance for regional anaesthesia has become popular over the past two decades. However, it is not recognized by all experts as an essential tool, perhaps because it is unclear whether ultrasound reduces the risk of severe neurological complications, and the cost of an ultrasound machine (USD 22,000) is substantially higher than the cost of other tools. This review was published in 2016 and updated in 2019. OBJECTIVES To determine whether ultrasound guidance offers any clinical advantage when neuraxial and peripheral nerve blocks are performed in children in terms of decreasing failure rate or the rate of complications. SEARCH METHODS We searched CENTRAL, MEDLINE, Embase, and two trial registers up to March 2018 together with reference checking to identify additional studies and contacted study authors to obtain additional trial information. SELECTION CRITERIA We included all parallel randomized controlled trials that evaluated the effects of ultrasound guidance used when a regional blockade technique was performed in children. We included studies performed in children (≤ 18 years of age) undergoing any type of surgical procedure (open or laparoscopic), for which a neuraxial (spinal, epidural, caudal, or combined spinal and epidural) or peripheral nerve block (any peripheral nerve block including fascial (fascia iliaca, transversus abdominis plane, rectus sheath blocks) or perivascular blocks), for surgical anaesthesia (alone or in combination with general anaesthesia) or for postoperative analgesia, was performed with ultrasound guidance. We excluded studies in which regional blockade was used to treat chronic pain.We included studies in which ultrasound guidance was used to perform the technique in real time (in-plane or out-of-plane), as pre-scanning before the procedure or to evaluate the spread of the local anaesthetic so the position of the needle could be adjusted or the block complemented. For control groups, any other technique used to perform the block including landmarks, loss of resistance (air or fluid), click, paraesthesia, nerve stimulator, transarterial, or infiltration was accepted. DATA COLLECTION AND ANALYSIS We used the standard methodological procedures expected by Cochrane. Our primary outcomes were failed blocks, pain scores at one hour after surgery, and block duration. Secondary outcomes included time to perform the block, number of needle passes, and minor and major complications. We used GRADE to assess the quality of evidence for each outcome. MAIN RESULTS We included 33 trials with a total of 2293 participants from 0.9 to 12 (mean or median) years of age. Most trials were at low risk of selection, detection, attrition, and reporting bias, however the lack of blinding of participants and personnel caring for participants resulted in 25 trials being judged as at high or unclear risk of bias. We identified five ongoing trials.Ultrasound guidance probably reduces the risk of failed block (risk difference (RD) -0.16, 95% confidence interval (CI) -0.25 to -0.07; 22 trials; 1789 participants; moderate-quality evidence). When ultrasound guidance was used, there was a small to moderate reduction in pain one hour after surgery, equivalent to a reduction of 1.3 points on the revised Bieri FACES pain scale (scale; 0 = no pain, 10 = maximal pain) (standardized mean difference (SMD) -0.41, 95% CI -0.74 to -0.07 (medium effect size); 15 trials; 982 participants; moderate-quality evidence). Ultrasound guidance increases block duration by the equivalent of 42 minutes (SMD 1.24, 95% CI 0.72 to 1.75; 10 trials; 460 participants; high-quality evidence).There is probably little or no difference in the time taken to perform the block (SMD -0.46, 95% CI -1.06 to 0.13; 9 trials; 680 participants; moderate-quality evidence). It is uncertain whether the number of needle passes required is reduced with the use of ultrasound guidance (SMD -0.63, 95% CI -1.08 to -0.18; 3 trials; 256 participants; very low-quality evidence).There were no occurrences of major complications in either the intervention or control arms of the trials (cardiac arrest from local anaesthetic toxicity (22 trials; 1576 participants; moderate-quality evidence); lasting neurological injury (19 trials; 1250 participants; low-quality evidence)).There may be little of no difference in the risk of bloody puncture (RD -0.02, 95% CI -0.05 to 0.00; 13 trials; 896 participants; low-quality evidence) or transient neurological injury (RD -0.00, 95% CI -0.01 to 0.01; 18 trials; 1230 participants; low-quality evidence). There were no occurrences of seizure from local anaesthetic toxicity (22 trials; 1576 participants; moderate-quality evidence) or block infections without neurological injury (18 trials; 1238 participants; low-quality evidence). AUTHORS' CONCLUSIONS Ultrasound guidance for regional blockade in children probably decreases the risk of failed block. It increases the duration of the block and probably decreases pain scores at one hour after surgery. There may be little or no difference in the risks of some minor complications. The five ongoing studies may alter the conclusions of the review once published and assessed.
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Affiliation(s)
- Joanne Guay
- University of SherbrookeDepartment of Anesthesiology, Faculty of MedicineSherbrookeQuebecCanada
- University of Quebec in Abitibi‐TemiscamingueTeaching and Research Unit, Health SciencesRouyn‐NorandaQCCanada
- Faculty of Medicine, Laval UniversityDepartment of Anesthesiology and Critical CareQuebec CityQCCanada
| | - Santhanam Suresh
- Ann & Robert H. Lurie Children's Hospital of Chicago Research CenterDepartment of Pediatric Anesthesiology225 E. Chicago AveChicagoILUSA60611
| | - Sandra Kopp
- Mayo Clinic College of MedicineDepartment of Anesthesiology and Perioperative Medicine200 1st St SWRochesterMNUSA55901
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Kinjo Y, Kurita T, Fujino Y, Kawasaki T, Yoshino K, Hachisuga T. Evaluation of laparoscopic-guided rectus sheath block in gynecologic laparoscopy: A prospective, double-blind randomized trial. Int J Surg 2019; 62:47-53. [DOI: 10.1016/j.ijsu.2019.01.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 12/22/2018] [Accepted: 01/08/2019] [Indexed: 01/30/2023]
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Wiegele M, Marhofer P, Lönnqvist PA. Caudal epidural blocks in paediatric patients: a review and practical considerations. Br J Anaesth 2019; 122:509-517. [PMID: 30857607 DOI: 10.1016/j.bja.2018.11.030] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 11/21/2018] [Accepted: 11/30/2018] [Indexed: 11/15/2022] Open
Abstract
Caudal epidural blockade in children is one of the most widely administered techniques of regional anaesthesia. Recent clinical studies have answered major pharmacodynamic and pharmacokinetic questions, thus providing the scientific background for safe and effective blocks in daily clinical practice and demonstrating that patient selection can be expanded to range from extreme preterm births up to 50 kg of body weight. This narrative review discusses the main findings in the current literature with regard to patient selection (sub-umbilical vs mid-abdominal indications, contraindications, low-risk patients with spinal anomalies); anatomical considerations (access problems, age and body positioning, palpation for needle insertion); technical considerations (verification of needle position by ultrasound vs landmarks vs 'whoosh' or 'swoosh' testing); training and equipment requirements (learning curve, needle types, risk of tissue spreading); complications and safety (paediatric regional anaesthesia, caudal blocks); local anaesthetics (bupivacaine vs ropivacaine, risk of toxicity in children, management of toxic events); adjuvant drugs (clonidine, dexmedetomidine, opioids, ketamine); volume dosing (dermatomal reach, cranial rebound); caudally accessed lumbar or thoracic anaesthesia (contamination risk, verifying catheter placement); and postoperative pain. Caudal blocks are an efficient way to offer perioperative analgesia for painful sub-umbilical interventions. Performed on sedated children, they enable not only early ambulation, but also periprocedural haemodynamic stability and spontaneous breathing in patient groups at maximum risk of a difficult airway. These are important advantages over general anaesthesia, notably in preterm babies and in children with cardiopulmonary co-morbidities. Compared with other techniques of regional anaesthesia, a case for caudal blocks can still be made.
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Affiliation(s)
- Marion Wiegele
- Department of Anaesthesia, Critical Care and Pain Medicine, Division of General Anaesthesia and Intensive Care Medicine, Medical University of Vienna, Vienna, Austria
| | - Peter Marhofer
- Department of Anaesthesia, Critical Care and Pain Medicine, Division of General Anaesthesia and Intensive Care Medicine, Medical University of Vienna, Vienna, Austria.
| | - Per-Arne Lönnqvist
- Department of Paediatric Anesthesia and Intensive Care, Section of Anaesthesiology and Intensive Care, Karolinska University Hospital, Stockholm, Sweden; Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
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Ammar A, Mahmoud K, Kasemy Z. Effect of adding midazolam to bupivacaine during rectus sheath block: a randomised controlled trial. Acta Anaesthesiol Scand 2018; 62:857-862. [PMID: 29446060 DOI: 10.1111/aas.13090] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 01/08/2018] [Accepted: 01/24/2018] [Indexed: 12/01/2022]
Abstract
BACKGROUND Various adjuvants have been tried to improve quality and increase duration of local anaesthetics during various nerve blocks. We aimed to evaluate the effect of adding midazolam to bupivacaine on rectus sheath (RS) block in patients undergoing umbilical or epigastric hernia repair. METHODS In all, 60 adult patients were divided into two equal groups, each group included 30 patients. Group I received 20 ml of bupivacaine hydrochloride 0.25% + midazolam 50 μg/kg in 2 ml saline 0.9% (Midazolam group, n = 30), whereas Group II received 20 ml of bupivacaine hydrochloride 0.25% + 2 ml saline (Control group, n = 30) for RS block on each side. The primary outcome was post-operative 48 h morphine consumption, whereas secondary outcomes included analgesia duration, post-operative pain, as evaluated by visual analogue scale (VAS) for pain scoring at 1, 2, 6, 12, 24 and 48 h post-operatively, reported post-operative nausea and or vomiting (PONV), somnolence or any adverse drug reactions. RESULTS The current study showed that addition of midazolam to bupivacaine for RS blockade provided good analgesia as evidenced by a statistically significant less morphine consumption in the post-operative 48 h [11.2 (5.3-18.3) vs. 25.9 (15.2-31.0) mg, P = 0.002], longer duration of analgesia, lower VAS during post-operative 48 h, lower incidence of PONV, somnolence and pruritus. CONCLUSION Midazolam addition to bupivacaine for RS blockade provided adjuvant analgesia as supported by less morphine consumption, longer duration of analgesia, and lower VAS score.
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Affiliation(s)
- A. Ammar
- Department of Anaesthesiology; Minoufiya Faculty of Medicine; Minoufiya University; Shebin Elkoam Egypt
| | - K. Mahmoud
- Department of Anaesthesiology; Minoufiya Faculty of Medicine; Minoufiya University; Shebin Elkoam Egypt
| | - Z. Kasemy
- Department of Public Health, Statistics and Community Medicine; Minoufiya Faculty of Medicine; Minoufiya University; Shebin Elkoam Egypt
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Rectus sheath catheter analgesia for patients undergoing laparotomy. BJA Educ 2018; 18:166-172. [PMID: 33456828 DOI: 10.1016/j.bjae.2018.03.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2018] [Indexed: 01/16/2023] Open
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Koh WU, Lee JH. Ultrasound-guided truncal blocks for perioperative analgesia. Anesth Pain Med (Seoul) 2018. [DOI: 10.17085/apm.2018.13.2.128] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- Won Uk Koh
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jong Hyuk Lee
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Comparison of Ultrasonography-guided Bilateral Intercostal Nerve Blocks and Conventional Patient-controlled Intravenous Analgesia for Pain Control After the Nuss Procedure in Children: A Prospective Randomized Study. Clin J Pain 2018; 33:604-610. [PMID: 27841838 PMCID: PMC5462349 DOI: 10.1097/ajp.0000000000000449] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Objectives: Patients experience severe pain after pectus excavatum (PE) surgery. The aim of this prospective, randomized study was to compare analgesic effects of ultrasonography-guided bilateral intercostal nerve blocks (UG-ICNBs) with those of conventional patient-controlled intravenous analgesia (PCIA) on acute pain after the Nuss procedure for PE repair in children. Methods: A prospective randomized study was performed in children with PE who were scheduled for the Nuss procedure. Participants were randomly assigned to receive either UG-ICNBs or PCIA for postoperative analgesia. Faces Pain Scale-Revised scores, opioid consumption, analgesia-associated side effects (respiratory depression, pruritus, nausea, vomiting) during the first 24 hours, and lengths of stay in the postanesthesia care unit (PACU) and hospital were recorded after the surgery. Results: Sixty-two children undergoing the Nuss procedure were enrolled in the trial. Faces Pain Scale-Revised scores were significantly decreased in the UG-ICNBs group compared with the PCIA group for up to 6 hours after surgery. The opioid doses required in the PACU and during the first 24 hours after surgery were significantly greater in the PCIA group compared with the UG-ICNBs group. Accordingly, patients in the UG-ICNBs group showed a lower incidence of analgesia-associated side effects and faster PACU discharge compared with the PCIA group. Conclusions: Our study suggests that UG-ICNBs might be more effective than PCIA for postoperative analgesia in children who undergo the Nuss procedure for PE.
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de Luca U, Mangia G, Tesoro S, Martino A, Sammartino M, Calisti A. Guidelines on pediatric day surgery of the Italian Societies of Pediatric Surgery (SICP) and Pediatric Anesthesiology (SARNePI). Ital J Pediatr 2018. [PMID: 29530049 PMCID: PMC5848546 DOI: 10.1186/s13052-018-0473-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The Italian Society of Pediatric Surgery (SICP) together with The Italian Society of Pediatric Anesthesia (SARNePI) through a systematic analysis of the scientific literature, followed by a consensus conference held in Perugia on 2015, have produced some evidence based guidelines on the feasibility of day surgery in relation to different pediatric surgical procedures. The main aspects of the pre-operative assessment, appropriacy of operations and discharge are reported.
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Affiliation(s)
- Ugo de Luca
- Day Surgery Unit, Santobono-Pausilipon Pediatric Hospital, Napoli, Italy.
| | - Giovanni Mangia
- Department of Anesthesiology, San Camillo Forlanini Hospital, Roma, Italy
| | - Simonetta Tesoro
- Department of Anesthesiology, Perugia University, Perugia, Italy
| | | | - Maria Sammartino
- Department of Anesthesiology, Policlinico A. Gemelli, Roma, Italy
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Landmann A, Visoiu M, Malek MM. Laparoscopic-guided abdominal wall nerve blocks in the pediatric population: a novel technique with comparison to ultrasound-guided blocks and local wound infiltration alone. Surgery 2018; 163:622-626. [DOI: 10.1016/j.surg.2017.10.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 10/11/2017] [Accepted: 10/24/2017] [Indexed: 11/24/2022]
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Maloney C, Kallis M, El-Shafy IA, Lipskar AM, Hagen J, Kars M. Ultrasound-guided bilateral rectus sheath block vs. conventional local analgesia in single port laparoscopic appendectomy for children with nonperforated appendicitis. J Pediatr Surg 2018; 53:431-436. [PMID: 28610706 DOI: 10.1016/j.jpedsurg.2017.05.027] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 05/15/2017] [Accepted: 05/28/2017] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Despite its minimally invasive approach, laparoscopic surgery can cause considerable pain. Regional analgesic techniques such as the rectus sheath block (RSB) offer improved pain management following elective umbilical hernia repair in the pediatric population. This effect has not been examined in laparoscopic single-incision surgery in children. We sought to compare the efficacy of bilateral ultrasound-guided RSB versus local anesthetic infiltration (LAI) in providing postoperative pain relief in pediatric single-incision transumbilical laparoscopic assisted appendectomy (TULA) with same-day discharge. METHODS We retrospectively reviewed 275 children, ages 4 to 17 years old, who underwent TULA for uncomplicated appendicitis in a single institution from August 2014 to July 2015. We compared those that received preincision bilateral RSB (n=136) with those who received LAI (n=139). The primary outcome was narcotic administration. Secondary outcomes included initial and mean scores, time from anesthesia induction to release, operative time, time to rescue dose of analgesic in the PACU and time to PACU discharge. RESULTS Total narcotic administration was significantly reduced in patients that underwent preincision RSB compared to those that received conventional LAI, with a mean of 0.112 mg/kg of morphine versus 0.290 mg/kg morphine (p<0.0001). Patients undergoing RSB reported lower initial (0.38 vs. 2.38; p<0.0001) and mean pain scores (1.26 vs. 1.77; p<0.015). Time to rescue analgesia was prolonged in patients undergoing RSB compared to LAI (58.93min vs. 41.56min; p=0.047). CONCLUSION Preincision RSB for TULA in uncomplicated appendicitis in children is associated with decreased opioid consumption and lower pain scores compared with LAI. As the addition of this procedure only added 6.67min to time under anesthesia, we feel that it is a viable option for postoperative pain control in pediatric single-incision laparoscopic surgery. RETROSPECTIVE COMPARATIVE STUDY LEVEL III EVIDENCE.
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Affiliation(s)
- Caroline Maloney
- Department of Surgery, Hofstra Northwell School of Medicine, 300 Community Drive Manhasset, New York 11030
| | - Michelle Kallis
- Department of Surgery, Hofstra Northwell School of Medicine, 300 Community Drive Manhasset, New York 11030
| | - Ibrahim Abd El-Shafy
- Department of Surgery, Hofstra Northwell School of Medicine, 300 Community Drive Manhasset, New York 11030
| | - Aaron M Lipskar
- Department of Surgery, Hofstra Northwell School of Medicine, 300 Community Drive Manhasset, New York 11030; Department of Pediatric Surgery, Northwell Cohen Children's Medical Center, 269-01 76th Ave, New Hyde Park, NY 11040
| | - John Hagen
- Department of Anesthesia, Northwell Cohen Children's Medical Center, 269-01 76th Ave, New Hyde Park, NY 11040
| | - Michelle Kars
- Department of Anesthesia, Northwell Cohen Children's Medical Center, 269-01 76th Ave, New Hyde Park, NY 11040.
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Cho S, Kim YJ, Jeong K, Moon HS. Ultrasound-guided bilateral rectus sheath block reduces early postoperative pain after laparoscopic gynecologic surgery: a randomized study. J Anesth 2018; 32:189-197. [DOI: 10.1007/s00540-018-2457-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 01/16/2018] [Indexed: 01/13/2023]
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Kartalov A, Jankulovski N, Kuzmanovska B, Zdravkovska M, Shosholcheva M, Tolevska M, Naumovski F, Srceva M, Petrusheva AP, Selmani R, Sivevski A. The Effect of Rectus Sheath Block as a Supplement of General Anesthesia on Postoperative Analgesia in Adult Patient Undergoing Umbilical Hernia Repair. Pril (Makedon Akad Nauk Umet Odd Med Nauki) 2017; 38:135-142. [PMID: 29668467 DOI: 10.2478/prilozi-2018-0014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
BACKGROUND Ultrasound guided rectus sheath block can block the ventral rami of the 7th to 12th thoracolumbar nerves by injection of local anesthetic into the space between the rectus muscle and posterior rectus sheath. The aim of this randomized double-blind study was to evaluate the analgesic effect of the bilateral ultrasound guided rectus sheath block as supplement of general anesthesia on patents undergoing elective umbilical hernia repair. METHODS After the hospital ethics committee approval, 60 (ASA I-II) adult patients scheduled for umbilical hernia repair were included in this study. The group I (n=30) patents received only general anesthesia. In the group II (n = 30) patents after induction of general anesthesia received a bilateral ultrasound guided rectus sheath block with 40 ml of 0.25% bupivacaine. In this study we assessed demographic and clinical characteristics, pain score - VAS at rest at 2, 4, 6, 12 and 24 hours after operation and total analgesic consumption of morphine dose over 24-hours. RESULTS There were statistically significant differences in VAS scores between the groups I and II at all postoperative time points - 2hr, 4 hr, 6 hr, 12 hr and 24 hr. (P < 0.00001). The cumulative 24 hours morphine consumption after the operation was significantly lower in the group II (mean = 3.73 ± 1. 41) than the group I (mean = 8.76 ± 2.41). This difference was statistically significant (p = 0.00076). CONCLUSION The ultrasound guided rectus sheath block used for umbilical hernia repair could reduce postoperative pain scores and the amount of morphine consumption in 24 hours postoperative period.
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MESH Headings
- Adolescent
- Adult
- Aged
- Analgesics, Opioid/administration & dosage
- Anesthesia, General/adverse effects
- Anesthetics, Local/administration & dosage
- Anesthetics, Local/adverse effects
- Bupivacaine/administration & dosage
- Bupivacaine/adverse effects
- Double-Blind Method
- Female
- Hernia, Umbilical/surgery
- Herniorrhaphy/adverse effects
- Humans
- Male
- Middle Aged
- Morphine/administration & dosage
- Nerve Block/adverse effects
- Nerve Block/methods
- Pain Measurement
- Pain, Postoperative/diagnosis
- Pain, Postoperative/etiology
- Pain, Postoperative/physiopathology
- Pain, Postoperative/prevention & control
- Rectus Abdominis/innervation
- Republic of North Macedonia
- Time Factors
- Treatment Outcome
- Ultrasonography, Interventional
- Young Adult
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Affiliation(s)
- Andrijan Kartalov
- Clinic for Anesthesiology, Reanimatology and Intensive Care Unit - KARIL, Skopje, Republic of Macedonia
| | | | - Biljana Kuzmanovska
- Clinic for Anesthesiology, Reanimatology and Intensive Care Unit - KARIL, Skopje, Republic of Macedonia
| | - Milka Zdravkovska
- Faculty of Medical Sciences, "Goce Delchev University", Shtip, Republic of Macedonia
| | - Mirjana Shosholcheva
- Clinic for Anesthesiology, Reanimatology and Intensive Care Unit - KARIL, Skopje, Republic of Macedonia
| | - Marija Tolevska
- Clinic for Anesthesiology, Reanimatology and Intensive Care Unit - KARIL, Skopje, Republic of Macedonia
| | - Filip Naumovski
- Clinic for Anesthesiology, Reanimatology and Intensive Care Unit - KARIL, Skopje, Republic of Macedonia
| | - Marija Srceva
- Clinic for Anesthesiology, Reanimatology and Intensive Care Unit - KARIL, Skopje, Republic of Macedonia
| | | | - Rexhep Selmani
- Clinic for Abdominal surgery, Skopje, Republic of Macedonia
| | - Atanas Sivevski
- University Clinic for Genecology and Obstetric, Skopje, Republic of Macedonia
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Relland LM, Tobias JD, Martin D, Veneziano G, Beltran RJ, McKee C, Bhalla T. Ultrasound-guided rectus sheath block, caudal analgesia, or surgical site infiltration for pediatric umbilical herniorrhaphy: a prospective, double-blinded, randomized comparison of three regional anesthetic techniques. J Pain Res 2017; 10:2629-2634. [PMID: 29184439 PMCID: PMC5687523 DOI: 10.2147/jpr.s144259] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Background Umbilical hernia repair is a common pediatric surgical procedure. While opioid analgesics are a feasible option and have long been a mainstay in the pharmacological intervention for pain, the effort to improve care and limit opioid-related adverse effects has led to the use of alternative techniques, including regional anesthesia. The current study prospectively compares the analgesic efficacy of three techniques, including caudal epidural blockade, peripheral nerve blockade, and local wound infiltration, in a double-blinded study. Patients and methods A total of 39 patients undergoing umbilical hernia repair were randomized to receive a caudal epidural block (CDL), ultrasound-guided bilateral rectus sheath blocks (RSB), or surgical site infiltration (SSI) with local anesthetic. Intraoperative anesthetic care was standardized, and treatment groups were otherwise blinded from the intraoperative anesthesiology team and recovery nurses. Postoperatively, the efficacy was evaluated using Hannallah pain scores, Aldrete recovery scores, the need for intravenous fentanyl, and the time to discharge. Results Each cohort was similar in terms of age, weight, premedication dosing, length of case, intraoperative and postoperative fentanyl requirements, and time to tracheal extubation. Among the three cohorts, there were no significant differences noted in terms of pain scores or time to recovery. Conclusion All the three techniques provided effective analgesia following umbilical hernia repair. Our findings offer effective and safe analgesic options as alternatives to the neuraxial (caudal) approach.
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Affiliation(s)
- Lance M Relland
- Department of Anesthesiology and Pain Medicine, Nationwide Children's Hospital.,Department of Anesthesiology and Pain Medicine, The Ohio State University College of Medicine
| | - Joseph D Tobias
- Department of Anesthesiology and Pain Medicine, Nationwide Children's Hospital.,Department of Anesthesiology and Pain Medicine, The Ohio State University College of Medicine.,Department of Pediatrics, Nationwide Children's Hospital, The Ohio State University College of Medicine, Columbus, OH, USA
| | - David Martin
- Department of Anesthesiology and Pain Medicine, Nationwide Children's Hospital.,Department of Anesthesiology and Pain Medicine, The Ohio State University College of Medicine
| | - Giorgio Veneziano
- Department of Anesthesiology and Pain Medicine, Nationwide Children's Hospital.,Department of Anesthesiology and Pain Medicine, The Ohio State University College of Medicine
| | - Ralph J Beltran
- Department of Anesthesiology and Pain Medicine, Nationwide Children's Hospital.,Department of Anesthesiology and Pain Medicine, The Ohio State University College of Medicine
| | - Christopher McKee
- Department of Anesthesiology and Pain Medicine, Nationwide Children's Hospital.,Department of Anesthesiology and Pain Medicine, The Ohio State University College of Medicine
| | - Tarun Bhalla
- Department of Anesthesiology and Pain Medicine, Nationwide Children's Hospital.,Department of Anesthesiology and Pain Medicine, The Ohio State University College of Medicine
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Wilson CA, Sommerfield D, Drake-Brockman TFE, Lagrange C, Ramgolam A, von Ungern-Sternberg BS. A prospective audit of pain profiles following general and urological surgery in children. Paediatr Anaesth 2017; 27:1155-1164. [PMID: 29030932 DOI: 10.1111/pan.13256] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/27/2017] [Indexed: 11/26/2022]
Abstract
BACKGROUND Postoperative pain is frequently undertreated in children both in hospital and at home following discharge. Pain has both short- and long-term consequences for children, their families, and the healthcare system. A greater understanding of procedure-specific postoperative pain trajectories is required to improve pain management. AIM To determine the duration and severity of acute postoperative pain experienced by children undergoing 8 different general and urological procedures (primary outcomes). Behavioral disturbance rates, nausea and vomiting scores, and parental satisfaction were also examined during the follow-up period (secondary outcomes). METHOD Families of children (0-18 years) undergoing common general and urological procedures were invited to enroll in the study. Children's pain scores, measured using a parental proxy 0-10 numerical rating scale, were collected by telephone interview until pain was resolved. Analgesia prescribed and given, behavioral disturbance, nausea and vomiting scores, the method of medication education communication, and parental satisfaction were also measured. RESULTS Of 360 patients recruited, 326 complete datasets were available. Patients underwent laparoscopic appendicectomy (57), open appendicectomy (19), circumcision (50), cystoscopy (52), hypospadias repair (22), inguinal hernia repair (51), orchidopexy (51), or umbilical hernia repair (24). Postoperative pain peaked on the day of or the day after surgery in all groups, and decreased over time. Pain lasted a median duration of 5 postoperative days following open appendicectomy, and 0-2 postoperative days for other procedures. Behavioral disturbance rates closely followed pain scores. Analgesia administration at home varied widely between and within groups. CONCLUSION Pain management was inadequate in most of the groups studied, particularly after appendicectomy or umbilical hernia repair, with most children experiencing at least moderate pain on the day of and day after surgery. There was a need for a standardized management, with increased dual analgesia prescribing, to ensure that children receive adequate postoperative analgesia in hospital and at home.
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Affiliation(s)
- Caroline A Wilson
- Department of Paediatric Anaesthesia, Bristol Royal Hospital for Children, Bristol, UK
| | - David Sommerfield
- Department of Anaesthesia and Pain Management, Princess Margaret Hospital for Children, Perth, WA, Australia
| | - Thomas F E Drake-Brockman
- Department of Anaesthesia and Pain Management, Princess Margaret Hospital for Children, Perth, WA, Australia.,School of Medicine and Pharmacology, The University of Western Australia, Perth, WA, Australia
| | - Claudia Lagrange
- Department of Anaesthesia and Pain Management, Princess Margaret Hospital for Children, Perth, WA, Australia
| | | | - Britta S von Ungern-Sternberg
- Department of Anaesthesia and Pain Management, Princess Margaret Hospital for Children, Perth, WA, Australia.,School of Medicine and Pharmacology, The University of Western Australia, Perth, WA, Australia
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Chung W, Yoon Y, Kim JW, Kwon SI, Yang JB, Lee KH, Yoo HJ. Comparing two different techniques of rectus sheath block after single port laparoscopic surgery in benign adnexal mass patients: Surgical versus ultrasonography guidance—A randomized, single-blind, case-controlled study. Eur J Obstet Gynecol Reprod Biol 2017; 217:29-33. [DOI: 10.1016/j.ejogrb.2017.08.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 07/05/2017] [Accepted: 08/12/2017] [Indexed: 11/28/2022]
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Seidel R, Wree A, Schulze M. Does the approach influence the success rate for ultrasound-guided rectus sheath blocks? An anatomical case series. Local Reg Anesth 2017; 10:61-65. [PMID: 28740428 PMCID: PMC5507869 DOI: 10.2147/lra.s133500] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The anterior cutaneous branches of the thoracolumbar spinal nerves enter the rectus sheath at its lateral border and perforate the muscle after travelling a short distance in the ventral direction. In this anatomical case series, we show that dye injection at the medial margin did not lead to reliable impregnation of the target nerves. The local anesthetic should therefore be injected at the lateral edge of the rectus sheath. Preceding surgical procedures to the ventral abdominal wall may affect the craniocaudal spread of local anesthetic.
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Affiliation(s)
- Ronald Seidel
- Department of Anesthesiology and Intensive Care Medicine, HELIOS Medical Center Schwerin, Schwerin
| | - Andreas Wree
- Institute of Anatomy, Medical University of Rostock, Rostock, Germany
| | - Marko Schulze
- Institute of Anatomy, Medical University of Rostock, Rostock, Germany
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Landmann A, Visoiu M, Malek MM. Development of a novel technique for bilateral rectus sheath nerve blocks under laparoscopic-guidance. J Pediatr Surg 2017; 52:966-969. [PMID: 28343663 DOI: 10.1016/j.jpedsurg.2017.03.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 03/09/2017] [Indexed: 10/20/2022]
Abstract
BACKGROUND Bilateral rectus sheath blocks have proven to be superior to local anesthetic infiltration for umbilical incisions and have been gaining popularity for the treatment of perioperative pain in children. We aim to develop a technique of surgeon performed rectus sheath blocks under laparoscopic-guidance alone. METHODS In phase I, we observed the laparoscopic appearance of a rectus sheath block. The pain management team performed an ultrasound-guided rectus sheath nerve block as we visualized the posterior rectus sheath with the laparoscope. In phase II, after completion of the laparoscopic procedure, we performed a rectus sheath nerve block. Ultrasound was used to identify where the local anesthetic had been injected. RESULTS Nineteen patients were included in this study, accounting for 38 rectus sheath blocks. In phase I, we observed with the laparoscope the delivery of ten ultrasound-guided rectus sheath blocks. In phase II, 28 laparoscopic-guided rectus sheath blocks were completed with immediate ultrasound confirmation of correct placement. CONCLUSIONS We have demonstrated that the rectus sheath nerve block can be performed reliably under laparoscopic-guidance alone. The efficacy of the laparoscopic-guided nerve block compared to the ultrasound-guided approach will need further study in a prospective, randomized trial. TYPE OF STUDY Retrospective review. LEVEL OF EVIDENCE 3.
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Affiliation(s)
- Alessandra Landmann
- Division of Pediatric General and Thoracic Surgery, Children's Hospital of Pittsburgh of the University of Pittsburgh Medical Center, Pittsburgh, PA, United States
| | - Mihaela Visoiu
- Department of Pediatric Anesthesiology, Children's Hospital of Pittsburgh of the University of Pittsburgh Medical Center, Pittsburgh, PA, United States
| | - Marcus M Malek
- Division of Pediatric General and Thoracic Surgery, Children's Hospital of Pittsburgh of the University of Pittsburgh Medical Center, Pittsburgh, PA, United States.
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Litz CN, Farach SM, Fernandez AM, Elliott R, Dolan J, Patel N, Zamora L, Colombani PM, Walford NE, Amankwah EK, Snyder CW, Danielson PD, Chandler NM. Percutaneous ultrasound-guided vs. intraoperative rectus sheath block for pediatric umbilical hernia repair: A randomized clinical trial. J Pediatr Surg 2017; 52:901-906. [PMID: 28377023 DOI: 10.1016/j.jpedsurg.2017.03.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 03/09/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND Regional anesthesia is commonly used in children. Our hypothesis was that percutaneous ultrasound-guided (PERC) rectus sheath blocks would result in lower postoperative pain scores compared to intraoperative (IO) rectus sheath blocks following umbilical hernia repair. METHODS A single-institution randomized blinded trial was conducted in pediatric patients undergoing elective umbilical hernia repair. The primary outcome was mean postoperative Wong-Baker pain score. Secondary outcomes included narcotic requirements and length of postoperative stay. RESULTS Fifty-eight patients were included: 28 PERC and 30 IO. Operating room time was significantly longer in the PERC group (41 vs. 35min, p<0.01). Mean postoperative pain scores (PERC-2.6 vs. IO-3.3, p=0.11), morphine equivalents intraoperatively (PERC-0 vs. IO-0.04mg/kg, p=0.29) and postoperatively (PERC-0.04 vs. IO-0.09mg/kg, p=0.17), time to first postoperative narcotic dose (PERC-30 vs. IO-22min, p=0.33, log-rank test), and postoperative length of stay (PERC-76 vs. IO-80min, p=0.44) were similar. CONCLUSION Following umbilical hernia repair in children, percutaneous ultrasound-guided and intraoperative rectus sheath blocks resulted in similar mean postoperative pain scores. There were no differences in secondary outcomes such as time to first narcotic, narcotic requirements, and length of stay. The additional resources required to complete a percutaneous ultrasound-guided rectus sheath block may not be warranted. TYPE OF STUDY Randomized controlled trial. LEVEL OF EVIDENCE Level I.
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Affiliation(s)
- Cristen N Litz
- Division of Pediatric Surgery, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Sandra M Farach
- Division of Pediatric Surgery, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Allison M Fernandez
- Division of Pediatric Anesthesia, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Richard Elliott
- Division of Pediatric Anesthesia, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Jenny Dolan
- Division of Pediatric Anesthesia, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Nikhil Patel
- Division of Pediatric Anesthesia, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Lillian Zamora
- Division of Pediatric Anesthesia, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Paul M Colombani
- Division of Pediatric Surgery, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Nebbie E Walford
- Division of Pediatric Surgery, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Ernest K Amankwah
- Clinical and Translational Research Organization, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Christopher W Snyder
- Division of Pediatric Surgery, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Paul D Danielson
- Division of Pediatric Surgery, Johns Hopkins All Children's Hospital, St. Petersburg, FL
| | - Nicole M Chandler
- Division of Pediatric Surgery, Johns Hopkins All Children's Hospital, St. Petersburg, FL.
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