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Carella M, Beck F, Vermeylen K. Ultrasound-guided suprainguinal fascia iliaca compartment block and early postoperative analgesia after total hip arthroplasty. Comment on Br J Anaesth 2024; 133: 146-51. Br J Anaesth 2024:S0007-0912(24)00503-8. [PMID: 39317585 DOI: 10.1016/j.bja.2024.08.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 07/18/2024] [Accepted: 08/12/2024] [Indexed: 09/26/2024] Open
Affiliation(s)
- Michele Carella
- Department of Anesthesia and Intensive Care Medicine, Liege University Hospital, Liege, Belgium; Inflammation and Enhanced Rehabilitation Laboratory (Regional Anesthesia and Analgesia), GIGA-I3 Thematic Unit, GIGA-Research, Liege University, Liege, Belgium.
| | - Florian Beck
- Department of Anesthesia and Intensive Care Medicine, Liege University Hospital, Liege, Belgium; Anesthesia and Perioperative Neuroscience Laboratory, GIGA-Consciousness, University of Liege, Liege, Belgium
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Safa B, Trinh H, Lansdown A, McHardy PG, Gollish J, Kiss A, Kaustov L, Choi S. Ultrasound-guided suprainguinal fascia iliaca compartment block and early postoperative analgesia after total hip arthroplasty: a randomised controlled trial. Br J Anaesth 2024; 133:146-151. [PMID: 38762396 PMCID: PMC11213984 DOI: 10.1016/j.bja.2024.04.019] [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: 01/23/2024] [Revised: 03/29/2024] [Accepted: 04/03/2024] [Indexed: 05/20/2024] Open
Abstract
BACKGROUND Hip replacement surgery can be painful; postoperative analgesia is crucial for comfort and to facilitate recovery. Regional anaesthesia can reduce pain and postoperative opioid requirements. The role of ultrasound-guided suprainguinal fascia iliaca block for analgesia after elective total hip arthroplasty is not well defined. This randomised trial evaluated its analgesic efficacy. METHODS Consenting participants (134) scheduled for elective primary total hip arthroplasty under spinal anaesthesia were randomly allocated to receive ultrasound-guided fascia iliaca block with ropivacaine 0.5% or sham block with saline. The primary outcome was opioid consumption in the first 24 h after surgery. Additional outcomes included pain scores at 4, 8, 12, and 16 h, opioid-related side-effects (nausea, vomiting, pruritis), ability to perform physiotherapy on the first postoperative day, and physiotherapist-assessed quadriceps weakness. RESULTS There were no significant differences in 24-h opioid consumption (block vs sham block, mean difference -3.2 mg oral morphine equivalent, 95% confidence interval -15.3 to 8.1 mg oral morphine equivalent, P=0.55) or any other prespecified outcomes. CONCLUSIONS In patients undergoing primary total hip arthroplasty, ultrasound-guided suprainguinal fascia iliaca block with ropivacaine did not confer a significant opioid-sparing effect compared with sham block. There were no differences in other secondary outcomes including pain scores, opioid-related side-effects, or ability to perform physiotherapy on the first postoperative day. CLINICAL TRIAL REGISTRATION www. CLINICALTRIALS gov (NCT03069183).
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Affiliation(s)
- Ben Safa
- Department of Anesthesia, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.
| | - Hawn Trinh
- University of New South Wales, Sydney, NSW, Australia
| | | | - Paul G McHardy
- Department of Anesthesia, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
| | - Jeffrey Gollish
- Division of Orthopaedic Surgery, Department of Surgery, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
| | - Alex Kiss
- Institute for Evaluative Clinical Sciences, University of Toronto, Toronto, ON, Canada
| | - Lilia Kaustov
- Department of Anesthesia, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
| | - Stephen Choi
- Department of Anesthesia, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada.
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Grinman L, Elmore B, Ardon AE, Hussain A, Malik MF, Hernandez N, Jacoby MJ. Use of Peripheral Nerve Blocks for Total hip Arthroplasty. Curr Pain Headache Rep 2024:10.1007/s11916-024-01287-7. [PMID: 38907794 DOI: 10.1007/s11916-024-01287-7] [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: 06/17/2024] [Indexed: 06/24/2024]
Abstract
PURPOSE OF REVIEW The purpose of this review is to summarize the recent literature regarding regional anesthesia (RA) techniques and outcomes for total hip arthroplasty (THA) in the face of changing surgical techniques and perioperative considerations. RECENT FINDINGS Based on large meta-analyses, peripheral nerve blocks are indicated for THA. Each block has its own risks and benefits and data for outcomes for particular techniques are limited. New surgical techniques, improved use of multimodal analgesia, and improved ultrasound guided regional anesthetics lead to better pain control for patients undergoing THA with less associated risks. Block selection continues to be influenced by provider comfort, surgical approach, patient anatomy, and postoperative goals. Head-to-head studies of particular nerve blocks are warranted.
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Affiliation(s)
- Leon Grinman
- Department of Anesthesiology and Perioperative Medicine, University of Virginia, PO Box 800710, Charlottesville, VA 22908-0710, USA.
| | - Brett Elmore
- Department of Anesthesiology and Perioperative Medicine, University of Virginia, PO Box 800710, Charlottesville, VA 22908-0710, USA
| | - Alberto E Ardon
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, India
| | - Adnan Hussain
- Department of Anesthesiology and Perioperative Medicine, Henry Ford Health, Detroit, USA
| | - Mohammed Faysal Malik
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, India
| | - Nadia Hernandez
- Department of Anesthesiology and Perioperative Medicine, University of Texas McGovern Medical School, Austin, USA
| | - Mackenzie Janice Jacoby
- Department of Anesthesiology and Perioperative Medicine, University of Texas McGovern Medical School, Austin, USA
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Gauhl C, McDougall S. The Effectiveness of Quadratus Lumborum and Fascia Iliaca Blocks on Patient Outcomes in Hip Arthroplasty. Pain Res Manag 2024; 2024:4518587. [PMID: 38933897 PMCID: PMC11208098 DOI: 10.1155/2024/4518587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 05/17/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024]
Abstract
Hip arthroplasty is a common procedure with high costs and difficult rehabilitation. It causes postoperative pain, and this can reduce mobility which extends in-patient time. An optimal analgesia regime is crucial to identify. Opioids produce effective pain relief but are associated with nausea, vomiting, and respiratory depression which can hinder physiotherapy and discharge. Finding alternatives has been of interest in recent years, particularly fascial blocks. These are anaesthetic injections beneath fascia which spread to nerves providing pain relief from surgery and are used with a general or spinal anaesthetic. Two of these blocks which are of interest to total hip arthroplasty are the quadratus lumborum block and fascia iliaca block. Studies have investigated the effectiveness of these blocks through patient factors, primarily pain scores, opioid consumption, and other secondary outcomes such as ambulation and length of stay. This review takes a narrative approach and investigates the literature around the topic. Pain and opioid consumption were the most widely reported outcomes, reported in 90% and 86% of studies. 83% of these studies reported positive effects on pain scores when FIB was utilised. 80% of these studies reported positive effects on opioid consumption when FIB was used. When QLB block was utilised, pain and opioid consumption were positively impacted in 82% of studies. This paper has been written with the intention of reviewing current literature to give an impression of the effectiveness of the blocks and propose potential areas for future work on the blocks.
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Affiliation(s)
- Cameron Gauhl
- School of Medicine, University of Dundee, Dundee DD1 4HN, UK
| | - Seaneen McDougall
- School of Science and Engineering, University of Dundee, Dundee DD1 4HN, UK
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Genc C, Tulgar S, Unal M, Genc AS, Kehribar L, Erdivanli B, Vermeylen K, Koksal E. The minimum effective concentration (MEC90) of bupivacaine for an ultrasound-guided suprainguinal fascia iliaca compartment block for analgesia in knee surgery: a dose-finding study. Korean J Anesthesiol 2024; 77:364-373. [PMID: 38480982 PMCID: PMC11150113 DOI: 10.4097/kja.23710] [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: 10/04/2023] [Revised: 01/15/2024] [Accepted: 01/15/2024] [Indexed: 06/06/2024] Open
Abstract
BACKGROUND In recent years, the suprainguinal fascia iliaca compartment block (SFICB) has become more common in clinical practice. This assessor-blinded dose-finding study aimed to determine the minimum effective concentration (MEC90, MEC95) of bupivacaine for a single-injection SFICB in patients undergoing arthroscopic anterior cruciate ligament repair. METHODS This prospective study was conducted at a tertiary hospital (postoperative recovery room and ward). The SFICB was performed as a postsurgical intervention after spinal anesthesia. Seventy patients were allocated using the biased-coin design up-and-down sequential method. The ultrasound-guided SFICB was performed using different bupivacaine concentrations, and standard multimodal analgesia was administered to all patients. Block success was defined as the absence of pain or presence of only tactile sensation during the pinprick test conducted on the anterior and lateral regions of the mid-thigh six hours postoperatively. RESULTS According to isotonic regression and bootstrap CIs, the MEC90 value of bupivacaine for a successful SFICB was 0.123% (95% CI [0.098, 0.191]) and the MEC95 value was 0.188% (95% CI [0.113, 0.223]). CONCLUSIONS Our study showed that the MEC90 and MEC95 values for bupivacaine administered via an SFICB for analgesia were 0.123% and 0.188%, respectively. One advantage of using lower concentrations of bupivacaine is the associated reduction in quadriceps weakness.
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Affiliation(s)
- Caner Genc
- Department of Anesthesiology and Reanimation, Samsun University Faculty of Medicine, Samsun Training and Research Hospital, Samsun, Turkey
| | - Serkan Tulgar
- Department of Anesthesiology and Reanimation, Samsun University Faculty of Medicine, Samsun Training and Research Hospital, Samsun, Turkey
| | - Murat Unal
- Department of Anesthesiology and Reanimation, Samsun University Faculty of Medicine, Samsun Training and Research Hospital, Samsun, Turkey
| | - Ahmet Serhat Genc
- Department of Orthopedics and Traumatology, Samsun University Faculty of Medicine, Samsun Training and Research Hospital, Samsun, Turkey
| | - Lokman Kehribar
- Department of Orthopedics and Traumatology, Samsun University Faculty of Medicine, Samsun Training and Research Hospital, Samsun, Turkey
| | - Basar Erdivanli
- Department of Anesthesiology and Reanimation, Recep Tayyip Erdogan University Faculty of Medicine, Rize, Turkey
| | - Kris Vermeylen
- Department of Anesthesia, AZ Turnhout, Turnhout, Belgium
| | - Ersin Koksal
- Department of Anesthesiology and Reanimation, Samsun University Faculty of Medicine, Samsun Training and Research Hospital, Samsun, Turkey
- Department of Anesthesiology and Reanimation, Ondokuz Mayis University Faculty of Medicine, Samsun, Turkey
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She C, Liu H. The efficacy of pericapsular nerve group block for reducing pain and opioid consumption after total hip arthroplasty: a systematic review and meta-analysis. J Orthop Surg Res 2024; 19:229. [PMID: 38584259 PMCID: PMC11000340 DOI: 10.1186/s13018-024-04707-x] [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: 01/03/2024] [Accepted: 03/29/2024] [Indexed: 04/09/2024] Open
Abstract
BACKGROUND Pericapsular nerve group block (PENG) is an emerging regional anesthesia technique for hip surgery. However, its efficacy in total hip arthroplasty (THA) isn't well defined. We perform this meta-analysis aiming to assess the effect of Pericapsular nerve group block on pain control and morphine consumption in patients with total hip arthroplasty. METHODS We searched four electronic databases (Pubmed, Embase, Cochrane Library, and Web of Science dated from 2018 to October 2023) for published eligible randomized controlled trials (RCTs) comparing PENG with placebo (no block/sham block) after THA. The outcome measurements consisted of pain score, opioid consumption, Time to first opioid, and postoperative complications. All data analyses were performed using STATA 12.0. RESULTS Five RCTs comprising 808 participants were included. Our meta-analysis showed that there were significant differences between two groups in terms of pain score in PACU (WMD = - 0.598, 95% CI [- 0.886, - 0.310], P < 0.001), pain score at 6 h (WMD = - 0.614, 95% CI [- 0.835, - 0.392], P < 0.001) and time to first opioid (WMD = 5.214, 95% CI [4.545, 5.883], P < 0.001). However, no significant differences were revealed from the pain score at 24 h after THA (WMD = - 0.924, 95% CI [- 1.929, 0.081], P = 0.072). Meanwhile, the meta-analysis indicated that PENG significantly reduced 24-h opioid consumption (WMD = - 6.168, 95% CI [- 6.667, - 5.668], P < 0.001) and 48-h opioid consumption (WMD = - 7.171, 95% CI [- 8.994, - 5.348], P < 0.001). CONCLUSION Pericapsular nerve group block was effective for pain control up to postoperative 6 h and extending the time to the first opioid after THA. Moreover, it reduced postoperative opioid consumption when compared with a placebo group. Due to the high heterogeneity of the pain score after 24 h and the low-quality evidence, more high-quality RCTs are required to draw a definitive conclusion about pain control.
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Affiliation(s)
- Chunjie She
- Department of Orthopaedics, Chaohu Hospital Affiliated to Anhui Medical University, Chaohu, Anhui, China
| | - Hefeng Liu
- Department of Orthopaedics, Chaohu Hospital Affiliated to Anhui Medical University, Chaohu, Anhui, China.
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Zheng J, Mi Y, Liang J, Li H, Shao P, Wen H, Wang Y. Circum-Psoas Block versus Supra-Inguinal Fascia Iliaca Block for Postoperative Analgesia in Patients Undergoing Total Hip Arthroplasty: A Randomized Clinical Trial. J Pain Res 2023; 16:3961-3970. [PMID: 38026457 PMCID: PMC10675663 DOI: 10.2147/jpr.s435159] [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: 08/13/2023] [Accepted: 11/14/2023] [Indexed: 12/01/2023] Open
Abstract
Purpose Total hip arthroplasty (THA) is often associated with moderate to severe pain. The present study compared the efficacy of circum-psoas block (CPB) with supra-inguinal fascia iliaca block (SIFIB) for postoperative analgesia in patients undergoing THA. Patients and Methods In this randomized trial, sixty-four patients undergoing THA were allocated randomly to the CPB group or SIFIB group with 40 mL of 0.3% ropivacaine. The primary outcome was dynamic pain score at 6 h postoperatively. Secondary outcomes included dynamic pain scores at 12, 24 and 48 h; static pain scores; sensory and motor block; opioid consumption; time to first opioid request; length of hospital stay; patient satisfaction; and adverse events. Results CPB patients showed significantly lower dynamic pain scores at 6 (3.11 ± 0.66 vs 4.47 ± 0.74, respectively; P = 0.000), 12 (2.52 ± 0.73 vs 3.53 ± 0.85, respectively; P = 0.000) and 24 h (2.30 ± 0.57 vs 2.87 ± 0.71, respectively; P = 0.001) after surgery, as well as lower static pain scores at 6 and 12h (P = 0.001 and P = 0.033 respectively) than SIFIB patients. Lower opioid consumption was observed in the CPB group at 24 and 48 h (P = 0.000, both) than in the SIFIB group. Patients in the CPB group reported improved quadriceps strength at 6 and 12 h (P = 0.000, both), as well as better muscle strength of hip flexion at 6, 12 and 24 h (P = 0.000, P = 0.000 and P = 0.025 respectively). Compared with SIFIB, CPB was associated with increased sensory block coverage at 6, 12 and 24 h (P = 0.000, P = 0.000, and P =0.022, respectively). Conclusion CPB has a greater potential to alleviate postoperative pain and improve recovery in THA patients than SIFIB.
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Affiliation(s)
- Junwei Zheng
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, People’s Republic of China
- Department of Anesthesiology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei Province, People’s Republic of China
| | - Yan Mi
- Department of Anesthesiology, Tumour Hospital, Zhengzhou University, Zhengzhou, Henan Province, People’s Republic of China
| | - Jinghan Liang
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Huili Li
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Peiqi Shao
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Hong Wen
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Yun Wang
- Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, People’s Republic of China
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Restrepo-Holguin M, Kopp SL, Johnson RL. Motor-sparing peripheral nerve blocks for hip and knee surgery. Curr Opin Anaesthesiol 2023; 36:541-546. [PMID: 37552001 DOI: 10.1097/aco.0000000000001287] [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: 08/09/2023]
Abstract
PURPOSE OF REVIEW To summarize the recent literature describing and comparing novel motor-sparing peripheral nerve block techniques for hip and knee surgery. This topic is relevant because the number of patients undergoing same day discharge after hip and knee surgery is increasing. Preserving lower extremity muscle function is essential to facilitate early physical therapy for these patients. RECENT FINDINGS Distal peripheral nerve blocks may allow for preserved quadriceps motor strength and comparable analgesia to traditional techniques. However, few studies in hip and knee populations include strength or function as primary outcomes. For hip surgeries, studies have failed to show analgesic differences between regional blocks and periarticular infiltration. Similarly for knee arthroplasty in the absence of periarticular infiltration, recent evidence suggests adding combinations of blocks (ACB plus iPACK or genicular nerve blocks) may balance pain control and early ambulation. SUMMARY The use of motor-sparing peripheral nerve block techniques enables early ambulation, adequate pain control, and avoidance of opioid-related side effects facilitating outpatient/ambulatory lower extremity surgery. Further studies of these techniques for continuous peripheral nerve block catheters are needed to assess if extended blockade continues to provide motor-sparing and opioid-sparing benefits.
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Carella M, Beck F, Piette N, Denys S, Lecoq JP, Bonhomme VL. Comparison between supra-inguinal fascia iliaca and pericapsular nerve group blocks on postoperative pain and functional recovery after total hip arthroplasty: A noninferiority randomised clinical trial. Eur J Anaesthesiol 2023; 40:660-671. [PMID: 37395511 DOI: 10.1097/eja.0000000000001875] [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: 07/04/2023]
Abstract
BACKGROUND Pain after a posterolateral approach for total hip arthroplasty (THA) may affect early functional recovery. Supra-inguinal fascia iliaca (SFIB) and pericapsular nerve group (PENG) blocks have been proposed as promising analgesia techniques. OBJECTIVES This trial was conducted to compare a PENG with a SFIB for controlling postoperative pain and for providing functional recovery. DESIGN Noninferiority monocentric randomised controlled study. SETTING One hundred and two patients scheduled for a total hip arthroplasty via the posterolateral approach under spinal anaesthesia were prospectively allocated to two groups. Data acquisition occurred between October 2021 and July 2022 at the University Hospital of Liege. PATIENTS One hundred and two patients completed the trial. INTERVENTIONS Group SFIB received supra-inguinal fascia iliaca block (SFIB) (40 ml ropivacaine 0.375%), whereas group PENG received a PENG block (20 ml ropivacaine 0.75%). MAIN OUTCOME MEASURES Rest and mobilisation pain on a 0 to 10 numeric rating scale at fixed time points: 1 and 6 h after surgery, on day-1 and day-2 at 8 a.m.,1 p.m. and 6 p.m. On day-1 and day-2, evolution of quality-of-recovery-15 score was assessed, and timed-up-and-go, 2 and 6 min-walking tests. The noninferiority margin was set as 1 numeric rating scale point 6 h after surgery. RESULTS Six hours after surgery, pain scores in group PENG were noninferior to those of group SFIB, with a difference between medians at 0 (95% CI -0.93 to 0.93). There were no significant differences between the groups regarding rest and dynamic pain trajectories during the first 48 postoperative hours, with no significant effects of group (rest P = 0.800; dynamic P = 0.708) or interaction between group and time (rest P = 0.803; dynamic P = 0.187). Similarly, no significant differences were observed regarding motor and functional recovery as assessed by timed-up-and-go ( P = 0.197), 2 min ( P = 0.364), and 6 min walking ( P = 0.347) tests and quality-of-recovery-15 ( P = 0.417) score. CONCLUSION Following a total hip arthroplasty via the posterolateral approach, a PENG block is noninferior to SFIB regarding postoperative pain control 6 h after surgery, and functional recovery. TRIAL REGISTRATION European Clinical Trial Register under EudraCT-number 2020-005126-28 ( https://www.clinicaltrialsregister.eu/ctr-search/trial/2020-005126-28/BE ).
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Affiliation(s)
- Michele Carella
- From the Department of Anaesthesia and Intensive Care Medicine, Liege University Hospital (MC, FB, NP, J-PL, VLB), Inflammation and Enhanced Rehabilitation Laboratory (Regional Anaesthesia and Analgesia), GIGA-I3 Thematic Unit, GIGA-Research (MC, NP, J-PL), Anaesthesia and Perioperative Neuroscience Laboratory, GIGA-Consciousness Thematic Unit, GIGA-Research (FB, VLB) and Department of Physical Medicine, Rehabilitation and Sports Traumatology, Liege University Hospital, Liege, Belgium (SD)
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Carella M, Lecoq JP. PENG block: a possible ally of the multimodal analgesia. Reg Anesth Pain Med 2022; 48:47. [DOI: 10.1136/rapm-2022-104007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 08/29/2022] [Indexed: 11/06/2022]
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Carella M, Beck F, Piette N, Lecoq JP, Bonhomme VL. Reply to ‘assessing postoperative benefits of regional blocks: an issue should be noticed’. Reg Anesth Pain Med 2022; 47:780-781. [DOI: 10.1136/rapm-2022-104011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 11/03/2022]
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Xue FS, He N, Cheng Y. Assessing postoperative benefits of regional blocks: an issue that should be noticed. Reg Anesth Pain Med 2022; 47:780. [DOI: 10.1136/rapm-2022-103959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 08/11/2022] [Indexed: 11/04/2022]
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