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Puch Oernskov M, Gaspar Santos S, Sohail Asghar M, Wildgaard K. Is intravenous magnesium sulphate a suitable adjuvant in postoperative pain management? - A critical and systematic review of methodology in randomized controlled trials. Scand J Pain 2023; 23:251-267. [PMID: 36473053 DOI: 10.1515/sjpain-2022-0048] [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: 03/21/2022] [Accepted: 11/10/2022] [Indexed: 12/13/2022]
Abstract
A growing worldwide focus on opioid-free anaesthesia entails multimodal analgesic strategies involving non-opioids such as magnesium sulphate (MgSO4). Several systematic reviews have concluded there is beneficial analgesic effect of MgSO4 administration but do not take considerable heterogeneity among the studies into consideration. Medical literature published until June 2021 was searched in PubMed/Medline, Embase, Central and Web of Science: The final search yielded a total of 5,672 articles. We included only randomised controlled trials assessing the effect of intravenous MgSO4 on opioid consumption and acute postoperative pain when compared to either placebo or standardized analgesic treatment. The primary aim was to compare the homogeneity of essential variables and confounders. A post-hoc meta-analysis demonstrated a reduction in both postoperative morphine consumption (-6.12 mg) and pain score (-12.32 VAS points) in favour of the MgSO4-groups. Data for meta-analysis was missing from 19 studies (45%) on morphine consumption and 29 studies (69%) for pain score, the majority of which reports no effect for either morphine consumption or pain score. The calculated heterogeneity among the included studies was considerable for both outcomes; I 2=91% for morphine consumption and I 2=96% for pain score. Although we found a per se reduction in opioid consumption and pain score, methodological heterogeneity and clinical shortcomings of pre-, intra-, and post anaesthetic data precludes conclusions on clinical importance of intraoperative intravenous MgSO4. In addition, the reduction is likely less than what can be gained from using standardized analgesic treatment.
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Affiliation(s)
- Mark Puch Oernskov
- Department of Anaesthesia, Pain and Respiratory Support, Copenhagen University Hospital Rigshospitalet, Glostrup, Denmark
| | | | | | - Kim Wildgaard
- Department of Anaesthesiology and Herlev Anaesthesia Critical and Emergency Care Science Unit, Copenhagen University Hospital Herlev-Gentofte, Herlev, Denmark
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La Rosa L, Twele L, Duchateau L, Gasthuys F, Kästner SB, Schauvliege S. Intravenous magnesium sulphate in standing horses: effects on physiological parameters, plasma concentration of magnesium and nociceptive threshold tests. J Equine Vet Sci 2022; 118:104103. [PMID: 35964853 DOI: 10.1016/j.jevs.2022.104103] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 07/15/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022]
Abstract
A bolus of 50 mg kg -1 MgSO4 (treatment Mg) or the same volume of saline (treatment S) was infused over 15 minutes in 5 adult healthy horses. T0 was the end of the infusion. Physiological parameters were recorded throughout the study period. Measurements of electrical, thermal and mechanical nociceptive thresholds were performed at the pelvic limbs at baseline (before T0), and at specific timepoints. Blood samples were taken at fixed timepoints before, during and until 12 hours after the infusion. For statistical analysis, the 95% confidence intervals (CI's) for the differences in nociceptive thresholds between treatments were calculated. Physiological parameters were compared using a linear mixed model (global α = 0.05, with Bonferroni correction α = 0.0125). The concentrations of ions were also compared with baseline values at specific timepoints, using a linear mixed model. The Pearson's correlation coefficient was derived between the ion concentrations. The 95% CI's of thermal, mechanical and electrical thresholds were [-1; +2]°C, [0; +3] N and [-1; +1] mA (positive differences indicate higher thresholds for treatment Mg), respectively. Heart rate was significantly higher (p < 0.0001) and non-invasive systolic arterial pressure (p < 0.0001) and respiratory rate (p = 0.0002) significantly lower after treatment Mg compared to treatment S. Additionally, non-invasive systolic arterial pressure was significantly different at T45 (p < 0.001). Although mild changes in cardiovascular parameters and plasma concentrations were seen with intravenous administration of MgSO4, no changes in nociceptive thresholds were detected in standing non-sedated horses.
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Affiliation(s)
- Lavinia La Rosa
- Department of Surgery and Anaesthesia of Domestic Animals, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
| | - Lara Twele
- Equine Clinic, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Luc Duchateau
- Biometrics Research Center, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Frank Gasthuys
- Department of Surgery and Anaesthesia of Domestic Animals, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Sabine Br Kästner
- Equine Clinic, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Stijn Schauvliege
- Department of Surgery and Anaesthesia of Domestic Animals, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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Soleimanpour H, Imani F, Dolati S, Soleimanpour M, Shahsavarinia K. Management of pain using magnesium sulphate: A narrative review. Postgrad Med 2022; 134:260-266. [PMID: 35086408 DOI: 10.1080/00325481.2022.2035092] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Pain is one of the most complex and unpleasant sensory and emotional human experiences. Pain relief continues to be a major medical challenge. The application of systemic opioid and regional analgesia techniques has facilitated a decrease in the occurrence and gravity of pain. Magnesium has an evolving role in pain management. Magnesium sulphate (MgSO4), the pharmacological form of magnesium, is a physiological voltage-dependent blocker of N-methyl-D-aspartate (NMDA)-coupled channels. In terms of its antinociceptive role, magnesium blocks calcium influx, which inhibits central sensitization and decreases preexisting pain hypersensitivity. These properties have encouraged the research of magnesium as an adjuvant agent for intra- and post-operative analgesia. Moreover, the mentioned magnesium impacts are also detected in patients with neuropathic pain. Intravenous magnesium sulphate, followed by a balanced analgesia, decreases opioid consumption. This review has focused on the existing evidence concerning the role of magnesium sulphate in pain management in situations including neuropathic pain, postherpetic neuralgia, trigeminal neuralgia, migraine, and post-operative pain. Additional studies are required to improve the use of magnesium sulphate for pain to increase the quality of life of patients.
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Affiliation(s)
- Hassan Soleimanpour
- Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farnad Imani
- Pain Research Center, Department of Anesthesiology and Pain Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Sanam Dolati
- Physical Medicine and Rehabilitation Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Soleimanpour
- Social Determinants of Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Ni J, Jiang J, Mao S, Sun RF. Pregabalin does not decrease acute pain or postoperative nausea and vomiting after hysterectomy: a meta-analysis. J Int Med Res 2021; 48:300060520954720. [PMID: 33334230 PMCID: PMC7750779 DOI: 10.1177/0300060520954720] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE Hysterectomy is associated with severe postoperative pain. The relative efficacy of pregabalin compared with other treatments for post-hysterectomy pain is unclear. METHODS We searched the PubMed, Cochrane Library, and Web of Science databases for studies that compared the use of pregabalin and placebo for reducing pain in patients undergoing hysterectomy. RESULTS This meta-analysis showed that pregabalin had limited pain-relieving effects at 2, 6, 24, and 48 hours after hysterectomy compared with placebo. Pregabalin significantly reduced postoperative nausea and vomiting. However, there was no significant difference in postoperative sedation or visual disturbances between patients treated with pregabalin and placebo. CONCLUSIONS Pregabalin is not clinically superior to placebo in terms of reducing pain intensity and morphine consumption in patients undergoing hysterectomy. However, the limitations of this meta-analysis mean that more high-quality randomized controlled trials are necessary to verify our pooled results.
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Affiliation(s)
- Jie Ni
- Department of Gynecology, Jingjiang People's Hospital, Taizhou, Jiangsu Province, China
| | - Juan Jiang
- Department of Gynecology, Jingjiang People's Hospital, Taizhou, Jiangsu Province, China
| | - Shiqin Mao
- Department of Gynecology, Jingjiang People's Hospital, Taizhou, Jiangsu Province, China
| | - Rui-Fang Sun
- Department of Gynecology, Jingjiang People's Hospital, Taizhou, Jiangsu Province, China
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Urits I, Jung JW, Amgalan A, Fortier L, Anya A, Wesp B, Orhurhu V, Cornett EM, Kaye AD, Imani F, Varrassi G, Liu H, Viswanath O. Utilization of Magnesium for the Treatment of Chronic Pain. Anesth Pain Med 2021; 11:e112348. [PMID: 34221945 PMCID: PMC8236839 DOI: 10.5812/aapm.112348] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 12/28/2020] [Indexed: 12/19/2022] Open
Abstract
CONTEXT The International Association for the Study of Pain (IASP) defines chronic pain as pain that persists or recurs for longer than 3 months. Chronic pain has a significant global disease burden with profound effects on health, quality of life, and socioeconomic costs. EVIDENCE ACQUISITION Narrative review. RESULTS There are several treatment options, including pharmacological therapy, physical rehabilitation, psychological therapies, and surgical interventions, for chronic pain management. Magnesium has been FDA-approved for several indications including hypomagnesemia, arrhythmia, prevention of seizures in eclampsia/preeclampsia, and constipation. Magnesium has been used for numerous off-label uses, notably for acute and chronic pain management. The mechanism of magnesium in pain management is primarily through its action as a voltage-gated antagonist of NMDA receptors, which are involved in pain transduction. CONCLUSIONS This narrative review will focus on the current evidence and data surrounding the utilization of magnesium as a treatment option for chronic pain.
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Affiliation(s)
- Ivan Urits
- LSU Health Shreveport, Department of Anesthesiology, Shreveport, LA, USA
- Southcoast Health, Southcoast Physicians Group Pain Medicine, Wareham, MA, USA
| | - Jai Won Jung
- Georgetown University School of Medicine, Washington, DC, USA
| | | | - Luc Fortier
- Georgetown University School of Medicine, Washington, DC, USA
| | - Anthony Anya
- Georgetown University School of Medicine, Washington, DC, USA
| | - Brendan Wesp
- Georgetown University School of Medicine, Washington, DC, USA
| | - Vwaire Orhurhu
- University Of Pittsburgh Medical Center, Williamsport, PA, USA
| | - Elyse M Cornett
- LSU Health Shreveport, Department of Anesthesiology, Shreveport, LA, USA
| | - Alan D. Kaye
- LSU Health Shreveport, Department of Anesthesiology, Shreveport, LA, USA
| | - Farnad Imani
- Pain Research Center, Department of Anesthesiology and Pain Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Henry Liu
- Department of Anesthesiology & Perioperative Medicine Milton S. Hershey Medical Center Penn State University College of Medicine 500 University Drive Mail Code H187 Hershey, PA 17033, USA
| | - Omar Viswanath
- LSU Health Shreveport, Department of Anesthesiology, Shreveport, LA, USA
- Creighton University School of Medicine, Department of Anesthesiology, Omaha, NE, USA
- Valley Anesthesiology and Pain Consultants – Envision Physician Services, Phoenix, AZ, USA
- University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA
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Kido K, Katagiri N, Kawana H, Sugino S, Konno D, Suzuki J, Yamauchi M, Sanuki T. Effects of magnesium sulfate administration in attenuating chronic postsurgical pain in rats. Biochem Biophys Res Commun 2020; 534:395-400. [PMID: 33246558 DOI: 10.1016/j.bbrc.2020.11.069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 11/16/2020] [Indexed: 01/01/2023]
Abstract
Chronic postsurgical pain (CPSP) is a serious issue for many postoperative patients. Though there are numerous treatment options for the prevention of CPSP, none of them is optimal as the mechanisms of the transition from acute to chronic postoperative pain have not been elucidated. Ketamine and opioids have been administered for chronic postoperative pain treatment but induce severe adverse reactions and/or physical dependency. Here, we examined whether pre-administration of the nonselective N-methyl-d-aspartate (NMDA) receptor antagonist magnesium sulfate attenuates CPSP behavior and alters the expression of glutamate ionotropic receptor NMDA type subunit 1a (Grin1 mRNA) in a rat skin/muscle incision and retraction (SMIR) model. We assessed the effects of a single subcutaneous magnesium sulfate injection on nociceptive behaviors including guarding pain, mechanical hyperalgesia, and heat hypersensitivity in rats after SMIR surgery. We used reverse transcription-quantitative PCR (RT-qPCR) to evaluate Grin1 mRNA expression in the dorsal horn of the spinal cord on postoperative day 14. Compared with the vehicle, magnesium sulfate administration before SMIR surgery reduced mechanical hyperalgesia for 17 d Grin1 gene expression was significantly higher on the ipsilateral side than the contralateral side (P = 0.001) on postoperative day 14. The magnesium sulfate injection prevented Grin1 mRNA upregulation in the spinal cord dorsal horn. A single magnesium sulfate injection mitigated SMIR-induced mechanical hyperalgesia possibly by modulating Grin1 expression. Preoperative magnesium sulfate administration could prove to be a simple and safe CPSP treatment.
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Affiliation(s)
- Kanta Kido
- Department of Anesthesiology, Kanagawa Dental University Hospital, Yokosuka, Kanagawa, Japan.
| | - Norika Katagiri
- Department of Anesthesiology, Kanagawa Dental University Hospital, Yokosuka, Kanagawa, Japan
| | - Hiromasa Kawana
- Department of Oral and Maxillofacial Implantology, Kanagawa Dental University Hospital, Yokosuka, Kanagawa, Japan
| | - Shigekazu Sugino
- Department of Anesthesiology and Perioperative Medicine, Tohoku University School of Medicine, Sendai, Miyagi, Japan
| | - Daisuke Konno
- Department of Anesthesiology and Perioperative Medicine, Tohoku University School of Medicine, Sendai, Miyagi, Japan
| | - Jun Suzuki
- Department of Anesthesiology and Perioperative Medicine, Tohoku University School of Medicine, Sendai, Miyagi, Japan
| | - Masanori Yamauchi
- Department of Anesthesiology and Perioperative Medicine, Tohoku University School of Medicine, Sendai, Miyagi, Japan
| | - Takuro Sanuki
- Department of Anesthesiology, Kanagawa Dental University Hospital, Yokosuka, Kanagawa, Japan
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Abstract
In terms of antinociceptive action, the main mode of action of magnesium involves its antagonist action at the N-methyl-d-aspartate (NMDA) receptor, which prevents central sensitization and attenuates preexisting pain hypersensitivity. Given the pivotal function of NMDA receptors in pain transduction, magnesium has been investigated in a variety of pain conditions. The oral and parenteral administration of magnesium via the intravenous, intrathecal, or epidural route may alleviate pain and perioperative anesthetic and analgesic requirements. These beneficial effects of magnesium therapy have also been reported in patients with neuropathic pain, such as malignancy-related neurologic symptoms, diabetic neuropathy, postherpetic neuralgia, and chemotherapy-induced peripheral neuropathy. In addition, magnesium treatment is reportedly able to alleviate fibromyalgia, dysmenorrhea, headaches, and acute migraine attacks. Although magnesium plays an evolving role in pain management, better understanding of the mechanism underlying its antinociceptive action and additional clinical studies is required to clarify its role as an adjuvant analgesic.
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Mousavi SA, Sadaghiani L, Shahnaseri S, Zandian A, Farnell DJJ, Vianna ME. Effect of magnesium sulphate added to lidocaine on inferior alveolar nerve block success in patients with symptoms of irreversible pulpitis: a prospective, randomized clinical trial. Int Endod J 2019; 53:145-153. [DOI: 10.1111/iej.13186] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 07/10/2019] [Indexed: 11/30/2022]
Affiliation(s)
- S. A. Mousavi
- Department of Endodontics Dental Research Center Dental Research Institute School of Dentistry Isfahan University of Medical Sciences Isfahan Iran
| | - L. Sadaghiani
- School of Dentistry College of Biomedical and Life Sciences Cardiff University Cardiff UK
| | - S. Shahnaseri
- Department of Oral and Maxillofacial Surgery Dental Implant Research Center School of Dentistry Isfahan University of Medical Sciences Isfahan Iran
| | - A. Zandian
- Department of Endodontics Dental Research Center Dental Research Institute School of Dentistry Isfahan University of Medical Sciences Isfahan Iran
| | - D. J. J. Farnell
- School of Dentistry College of Biomedical and Life Sciences Cardiff University Cardiff UK
| | - M. E. Vianna
- School of Dentistry College of Biomedical and Life Sciences Cardiff University Cardiff UK
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Wang YM, Xia M, Shan N, Yuan P, Wang DL, Shao JH, Ma HW, Wang LL, Zhang Y. Pregabalin can decrease acute pain and postoperative nausea and vomiting in hysterectomy: A meta-analysis. Medicine (Baltimore) 2017; 96:e7714. [PMID: 28767611 PMCID: PMC5626165 DOI: 10.1097/md.0000000000007714] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Whether the preoperative administration of pregabalin plays a beneficial role in controlling acute pain after hysterectomy is unknown. We performed a systematic review and meta-analysis of randomized controlled trials (RCTs) to determine the efficacy and safety of the preoperative use of pregabalin to treat acute postoperative pain following hysterectomy. METHODS In April 2017, a systematic computer-based search was conducted in the PubMed, EMBASE, Web of Science, Cochrane Library, and Google databases. RCTs comparing pregabalin with placebo in patients undergoing hysterectomy were retrieved. The primary endpoint was the visual analog scale (VAS) score with rest or mobilization at 2 h, 4 and 24 hours and cumulative morphine consumption at 2, 4, 24, and 48 hours. The secondary outcomes were complications of nausea, vomiting, sedation, and dizziness. After tests for publication bias and heterogeneity among studies were performed, the data were aggregated for random-effects models when necessary. RESULTS Ten clinical studies with 1207 patients (pregabalin = 760, control = 447) were finally included in this meta-analysis. Preoperative administration of pregabalin was associated with a significant reduction of VAS with rest or mobilization at 2, 4, and 24 hours after hysterectomy. Further, the preoperative administration of pregabalin was associated with a reduction in total morphine consumption at 2, 4, 24, and 48 hours after hysterectomy. The occurrence of morphine-related complications (nausea and vomiting) was also reduced in the pregabalin group. However, the preoperative administration of pregabalin was associated with an increase in the occurrence of dizziness. There was no significant difference in the occurrence of sedation. CONCLUSIONS The preoperative use of pregabalin reduced postoperative pain, total morphine consumption, and morphine-related complications following hysterectomy. The doses of pregabalin were different, and large heterogeneity was the limitation of the current meta-analysis. Further studies should determine the optimal dose for controlling acute pain after hysterectomy.
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Affiliation(s)
- Yi-ming Wang
- Department of Oncology, Chongqing Cancer Institute & Hospital & Cancer Center
| | - Min Xia
- Department of Gynaecology, Chongqing Traditional Chinese Medicine Hospital
| | - Nan Shan
- Department of Obstetrics and Gynecology, The First Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Ping Yuan
- Department of Gynaecology, Chongqing Traditional Chinese Medicine Hospital
| | - Dong-lin Wang
- Department of Oncology, Chongqing Cancer Institute & Hospital & Cancer Center
| | - Jiang-he Shao
- Department of Oncology, Chongqing Cancer Institute & Hospital & Cancer Center
| | - Hui-wen Ma
- Department of Oncology, Chongqing Cancer Institute & Hospital & Cancer Center
| | - Lu-lu Wang
- Department of Oncology, Chongqing Cancer Institute & Hospital & Cancer Center
| | - Yuan Zhang
- Department of Gynaecology, Chongqing Traditional Chinese Medicine Hospital
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