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Avci Y, Rajarathinam M, Kalsekar N, Tawfic Q, Krause S, Nguyen D, Liu E, Nagappa M, Subramani Y. Unravelling the analgesic effects of perioperative magnesium in general abdominal surgery: a systematic review and meta-analysis of randomized controlled trials. BRAZILIAN JOURNAL OF ANESTHESIOLOGY (ELSEVIER) 2024; 74:844524. [PMID: 38848810 PMCID: PMC11233871 DOI: 10.1016/j.bjane.2024.844524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 05/16/2024] [Accepted: 05/24/2024] [Indexed: 06/09/2024]
Abstract
BACKGROUND Prior research has established the effectiveness of magnesium in relieving postoperative pain. This article aims to evaluate magnesium sulfate for perioperative analgesia in adults undergoing general abdominal surgery under general anesthesia. OBJECTIVE The primary aim was to assess pain scores at 6 and 24 hours postoperatively in patients receiving magnesium sulfate vs. the control group. Secondary outcomes were postoperative opioid consumption, perioperative complications, and time to rescue analgesia. METHODS A comprehensive database search identified studies comparing magnesium sulfate with control in adults undergoing general anesthesia for general abdominal surgery. Using random-effects models, data were presented as mean ± Standard Deviation (SD) or Odds Ratios (OR) with corresponding 95% Confidence Intervals (95% CI). A two-sided p-value < 0.05 was considered statistically significant. RESULTS In total, 31 studies involving 1762 participants met the inclusion criteria. The magnesium group showed significantly lower postoperative pain scores at both early (within six hours) and late (up to 24 hours) time points compared to the control group. The early mean score was 3.1 ± 1.4 vs. 4.2 ± 2.3, and the late mean score was 2.3 ± 1.1 vs. 2.7 ± 1.5, resulting in an overall Mean Difference (MD) of -0.72; 95% CI -0.99, -0.44; p < 0.00001. The magnesium group was associated with lower rates of postoperative opioid consumption and shivering and had a longer time to first analgesia administration compared to the saline control group. CONCLUSION Magnesium sulfate administration was linked to reduced postoperative pain and opioid consumption following general abdominal surgery.
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Affiliation(s)
- Yasin Avci
- Western University, Schulich School of Medicine and Dentistry, London Health Sciences Centre and St Joseph Health Care, Department of Anesthesia and Perioperative Medicine, London, Ontario, Canada
| | - Manikandan Rajarathinam
- Western University, Schulich School of Medicine and Dentistry, London Health Sciences Centre and St Joseph Health Care, Department of Anesthesia and Perioperative Medicine, London, Ontario, Canada
| | - Neha Kalsekar
- Western University, Schulich School of Medicine and Dentistry, London Health Sciences Centre and St Joseph Health Care, Department of Anesthesia and Perioperative Medicine, London, Ontario, Canada
| | - Qutaiba Tawfic
- Western University, Schulich School of Medicine and Dentistry, London Health Sciences Centre and St Joseph Health Care, Department of Anesthesia and Perioperative Medicine, London, Ontario, Canada
| | - Sarah Krause
- Western University, Schulich School of Medicine and Dentistry, London Health Sciences Centre and St Joseph Health Care, Department of Anesthesia and Perioperative Medicine, London, Ontario, Canada
| | - Derek Nguyen
- Western University, Schulich School of Medicine and Dentistry, London Health Sciences Centre and St Joseph Health Care, Department of Anesthesia and Perioperative Medicine, London, Ontario, Canada
| | - Eric Liu
- Western University, Schulich School of Medicine and Dentistry, London Health Sciences Centre and St Joseph Health Care, Department of Anesthesia and Perioperative Medicine, London, Ontario, Canada
| | - Mahesh Nagappa
- Western University, Schulich School of Medicine and Dentistry, London Health Sciences Centre and St Joseph Health Care, Department of Anesthesia and Perioperative Medicine, London, Ontario, Canada
| | - Yamini Subramani
- Western University, Schulich School of Medicine and Dentistry, London Health Sciences Centre and St Joseph Health Care, Department of Anesthesia and Perioperative Medicine, London, Ontario, Canada.
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Ding H, Wang C, Ghorbani H, Yang S, Stepanyan H, Zhang G, Zhou N, Wang W. The impact of magnesium on shivering incidence in cardiac surgery patients: A systematic review. Heliyon 2024; 10:e32127. [PMID: 38873687 PMCID: PMC11170178 DOI: 10.1016/j.heliyon.2024.e32127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 05/26/2024] [Accepted: 05/28/2024] [Indexed: 06/15/2024] Open
Abstract
Background and objective This scientific review involves a sequential analysis of randomized trial research focused on the incidence of shivering in patients undergoing cardiac surgery. The study conducted a comprehensive search of different databases, up to the end of 2020. Only randomized trials comparing magnesium administration with either placebo or no treatment in patients expected to experience shivering were included. The primary objective was to evaluate shivering occurrence, distinguishing between patients receiving general anesthesia and those not. Secondary outcomes included serum magnesium concentrations, intubation time, post-anesthesia care unit stay, hospitalization duration, and side effects. Data collection included patient demographics and various factors related to magnesium administration. Material and methods This scientific review analyzed 64 clinical trials meeting inclusion criteria, encompassing a total of 4303 patients. Magnesium was administered via different routes, primarily intravenous, epidural, and intraperitoneal, and compared against placebo or control. Data included demographics, magnesium dosage, administration method, and outcomes. Heterogeneity was assessed using the I2 statistic. Some studies were excluded due to unavailability of data or non-responsiveness from authors. Result and discussion: Out of 2546 initially identified articles, 64 trials were selected for analysis. IV magnesium effectively reduced shivering, with epidural and intraperitoneal routes showing even greater efficacy. IV magnesium demonstrated cost-effectiveness and a favorable safety profile, not increasing adverse effects. The exact dose-response relationship of magnesium remains unclear. The results also indicated no significant impact on sedation, extubation time, or gastrointestinal distress. However, further research is needed to determine the optimal magnesium dose and to explore its potential effects on blood pressure and heart rate, particularly regarding pruritus prevention. Conclusion This study highlights the efficacy of intravenous (IV) magnesium in preventing shivering after cardiac surgery. Both epidural and intraperitoneal routes have shown promising results. The safety profile of magnesium administration appears favorable, as it reduces the incidence of shivering without significantly increasing costs. However, further investigation is required to establish the ideal magnesium dosage and explore its potential effects on blood pressure, heart rate, and pruritus prevention, especially in various patient groups.
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Affiliation(s)
- Haiyang Ding
- Department of Anesthesia, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, Zhejiang 323000, China
- Department of Anesthesia, Lishui Municipal Central Hospital, Lishui, Zhejiang 323000, China
| | - Chuanguang Wang
- Department of Anesthesia, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, Zhejiang 323000, China
- Department of Anesthesia, Lishui Municipal Central Hospital, Lishui, Zhejiang 323000, China
| | - Hamzeh Ghorbani
- Faculty of General Medicine, University of Traditional Medicine of Armenia (UTMA), 38a Marshal Babajanyan St., Yerevan, 0040, Armenia
| | - Sufang Yang
- Department of Anesthesia, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, Zhejiang 323000, China
- Department of Anesthesia, Lishui Municipal Central Hospital, Lishui, Zhejiang 323000, China
| | - Harutyun Stepanyan
- Faculty of General Medicine, University of Traditional Medicine of Armenia (UTMA), 38a Marshal Babajanyan St., Yerevan, 0040, Armenia
| | - Guodao Zhang
- Department of Digital Media Technology, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Nan Zhou
- Department of Anesthesia, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, Zhejiang 323000, China
- Department of Anesthesia, Lishui Municipal Central Hospital, Lishui, Zhejiang 323000, China
| | - Wu Wang
- Department of Anesthesia, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, Zhejiang 323000, China
- Department of Anesthesia, Lishui Municipal Central Hospital, Lishui, Zhejiang 323000, China
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Dahake JS, Verma N, Bawiskar D. Magnesium Sulfate and Its Versatility in Anesthesia: A Comprehensive Review. Cureus 2024; 16:e56348. [PMID: 38633961 PMCID: PMC11021848 DOI: 10.7759/cureus.56348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/17/2024] [Indexed: 04/19/2024] Open
Abstract
In the field of general anesthesia, magnesium sulfate (MgSO4) has become a valuable adjunct because it provides a range of benefits that enhance and optimize conventional aesthetic procedures. This review highlights the various intra-anesthetic benefits of MgSO4 while examining its complex function in the treatment using anesthesia. Magnesium inhibits the release of acetylcholine at the motor endplate and blocks calcium channels at presynaptic nerve terminals. This reduces the amplitude of endplate potential and the excitability of muscle fibers, which increases the potency of a neuromuscular blockade by nondepolarizing neuromuscular blockers. This activity may lessen the need for primary muscle relaxants. Moreover, its capacity to potentially reduce the total amount of main aesthetic agents needed emphasizes its function in maximizing anesthesia dosage, ensuring sufficient depth while perhaps potentially reducing adverse effects linked with increased dosages. MgSO4's adaptable qualities present a viable path for improving anesthetic outcomes, possibly improving patient safety and improving surgical results.
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Affiliation(s)
- Janhavi S Dahake
- Anesthesia, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Neeta Verma
- Anesthesia, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Dushyant Bawiskar
- Sports Physiotherapy, Abhinav Bindra Targeting Performance, Bengaluru, IND
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Sawant U, Sen J. A Comprehensive Review of Magnesium Sulfate Infusion: Unveiling the Impact on Hemodynamic Stability During Laryngoscopy and Tracheal Intubation in Ear, Nose, and Throat Surgeries. Cureus 2024; 16:e57002. [PMID: 38681416 PMCID: PMC11046371 DOI: 10.7759/cureus.57002] [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: 01/25/2024] [Accepted: 03/26/2024] [Indexed: 05/01/2024] Open
Abstract
This comprehensive review explores the potential of magnesium sulfate infusion in mitigating hemodynamic instability during laryngoscopy and tracheal intubation in ear, nose, and throat (ENT) surgeries. Hemodynamic fluctuations during these procedures pose challenges, and magnesium sulfate, with its vasodilatory, antiarrhythmic, and neuroprotective properties, emerges as a promising intervention. The review critically examines existing literature, emphasizing patient selection criteria, dosage protocols, and a comparative analysis with other hemodynamic stabilizers. Safety considerations, including known adverse effects and risk-benefit assessments, and monitoring and management strategies are elucidated. The implications for ENT surgery are discussed, highlighting the potential for enhanced hemodynamic management and individualized approaches. The review concludes with a call for continued research, emphasizing the ongoing evolution of understanding and practice incorporating magnesium sulfate into perioperative care. The insights offered aim to guide clinicians in navigating this dynamic landscape for improved patient outcomes in ENT surgeries.
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Affiliation(s)
- Urvi Sawant
- Anaesthesiology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education & Research, Wardha, IND
| | - Jayashree Sen
- Anaesthesiology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education & Research, Wardha, IND
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Lu YH, Jeon J, Mahajan L, Yan Y, Weichman KE, Ricci JA. Postoperative Magnesium Sulfate Repletion Decreases Narcotic Use in Abdominal-Based Free Flap Breast Reconstruction. J Reconstr Microsurg 2024. [PMID: 38272058 DOI: 10.1055/a-2253-9008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
BACKGROUND Microsurgical breast reconstruction after mastectomy is now the standard of care for breast cancer patients. However, the costs and resources involved in free flap reconstruction can vary across different medical settings. To enhance patient outcomes in a cost-effective manner, we investigated the effect of intravenous magnesium sulfate (IV Mg) on postoperative opioid usage in this context. METHODS A retrospective chart review was performed on all consecutive patients who underwent abdominal-based free flap breast reconstruction in a single institute following an enhanced recovery after surgery (ERAS) protocol. Patients who received IV Mg were compared with those who did not receive supplementation. Serum magnesium levels at different time points, narcotic consumption in units of oral morphine milligram equivalents (MMEs), and other postoperative recovery parameters were compared. RESULTS Eighty-two patients were included. Those who received IV Mg on postoperative day 0 (n = 67) showed significantly lower serum magnesium levels before repletion (1.5 vs. 1.7 mg/dL, p = 0.004) and significantly higher levels on postoperative day 1 after repletion (2.2 vs. 1.7 mg/dL, p = 0.0002) compared to patients who received no magnesium repletion (n = 13). While both groups required a similar amount of narcotics on postoperative day 0 (20.2 vs. 13.2 MMEs, p = 0.2), those who received IV Mg needed significantly fewer narcotics for pain control on postoperative day 1 (12.2 MMEs for IV Mg vs. 19.8 MMEs for No Mg, p = 0.03). Recovery parameters, including maximal pain scores, postoperative mobilization, and length of hospital stay, did not significantly differ between the two groups. CONCLUSION This is the first study to describe the potential analgesic benefits of routine postoperative magnesium repletion in abdominal-based free flap reconstruction. Further research is necessary to fully understand the role of perioperative magnesium supplementation as part of an ERAS protocol.
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Affiliation(s)
- Yi-Hsueh Lu
- Division of Plastic Surgery, Montefiore Medical Center, Bronx, New York
| | - Jini Jeon
- Division of Plastic Surgery, Albert Einstein College of Medicine, Bronx, New York
| | - Lakshmi Mahajan
- Division of Plastic Surgery, Albert Einstein College of Medicine, Bronx, New York
| | - Yufan Yan
- Division of Plastic Surgery, Montefiore Medical Center, Bronx, New York
| | - Katie E Weichman
- Hansjörg Wyss Department of Plastic Surgery, New York University Langone Health, New York, New York
| | - Joseph A Ricci
- Department of Plastic Surgery, Northwell Health, Hofstra School of Medicine, Great Neck, New York
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Soeding P, Morris A, Soeding A, Hoy G. Effect of intravenous magnesium on post-operative pain following Latarjet shoulder reconstruction. Shoulder Elbow 2024; 16:46-52. [PMID: 38435030 PMCID: PMC10902413 DOI: 10.1177/17585732231158805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 01/24/2023] [Accepted: 02/04/2023] [Indexed: 03/05/2024]
Abstract
Background Single injection ropivacaine interscalene anesthesia (ISA) is frequently used in Latarjet reconstruction to enhance post-operative analgesia. A potential limitation is the occurrence of severe rebound pain on block resolution. We investigated the effect of intravenous magnesium on post-operative pain, particularly at the transition of block resolution to multimodal analgesia. Methods Elective patients (n = 40) having Latarjet open shoulder reconstruction were randomised to receive either intravenous magnesium sulphate 50 mg/kg (M) or normal saline (S) before induction. Post-operatively, a standardised analgesic regimen was used, and post-operative pain was recorded using a verbal numerical rating assessment (VNRA) score. Requirement for injected opioid analgesia was recorded. Results ISA provided longstanding analgesia in all patients with block duration slightly prolonged in the magnesium group (16.7(1.0) (S), 17.8(1.3) h (M), p = 0.049). Magnesium resulted in less rebound pain following ISA resolution (VNRA 4.0 (0.6) M, 6.2 (0.8) S, p = 0.03) and lower pain intensity at 24 h. Four patients had nausea and two required rescue opioid injection. Conclusion Magnesium before Latarjet surgery results in less rebound pain following ropivacaine block and improves post-operative analgesia. Magnesium may be indicated in major upper limb surgery, where significant pain intensity is anticipated. Level of evidence Treatment study; Randomised blinded; Level 2.
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Affiliation(s)
- Paul Soeding
- FANZCA Department of Anaesthesia and Pain Medicine, Royal Melbourne Hospital, Parkville, Australia
- Department of Pharmacology and Therapeutics, The University of Melbourne, Victoria, Australia
| | - Alex Morris
- The University of Melbourne, Victoria, Australia
- Department of Anaesthesia and Pain Medicine, Royal Melbourne Hospital, Parkville, Australia
| | - Adam Soeding
- Department of Preventative Medicine, The Alfred Centre Monash University, Prahran, Australia
| | - Gregory Hoy
- Melbourne Orthopaedic Group, Monash University Department of Surgery, Windsor, Australia
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Su YH, Luo DC, Pang Y. Effects of intraoperative Magnesium sulfate infusion on emergency agitation during general anesthesia in patients undergoing radical mastectomy: a randomized controlled study. BMC Anesthesiol 2023; 23:326. [PMID: 37749511 PMCID: PMC10521581 DOI: 10.1186/s12871-023-02288-6] [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: 04/18/2023] [Accepted: 09/18/2023] [Indexed: 09/27/2023] Open
Abstract
BACKGROUND Emergency agitation is a common postoperative complication in patients under general anesthesia, which can lead to unpredictable damages such as shedding of drainage tube and bleeding from the wound. The purpose of the study is to investigate whether intraoperative infusion of Magnesium Sulfate reduces the incidence of emergency agitation (EA) in patients undergoing radical mastectomy, and to evaluate its safety and efficacy. METHODS A total of 70 patients were randomly assigned to two groups: the Magnesium group (M group) and the control group (C group). After a routine intravenous anesthetic induction, patients in the M group received a 30 mg/kg bolus of intravenous magnesium during the first hour and then a continuous infusion of 10 mg/kg ×h until the end of the surgery, patients in the C group received 0.9% saline at the same volume and rate. The sedation-agitation scale (SAS) and the visual analogue scale were used to assess agitation and pain, respectively. RESULTS Compared to the C group, the M group reduced the incidence of EA significantly (odds ratio 0.26, 95% confidence interval 0.09-0.71, P = 0.009). The postoperative pain score of the magnesium sulfate group(0(0,1)) was lower than that of the control group(2(0,3)) at T0 (P = 0.011). Additionally, the M group required a lower dosage of remifentanil during surgery compared to the C group(300.4 ± 84 versus 559.3 ± 184 µg, respectively, P<0.001). CONCLUSIONS the intraoperative infusion of magnesium sulfate is a safe and effective method for reducing the incidence of emergency agitation in patients undergoing radical mastectomy. TRAIL REGISTRATION The study was registered in Chictr.org with the identifier: ChiCTR2300070595 on 18/04/2023.
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Affiliation(s)
- Yan-Hong Su
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, 637000, China
| | - De-Cai Luo
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, 637000, China
| | - Yong Pang
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, 637000, China.
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Mishra S, Jain S, Purohit S, Lal G, Sharma N. Analgesic Effects of Magnesium Sulphate as an Adjuvant to Fentanyl for Monitored Anaesthesia Care During Hysteroscopy. Cureus 2023; 15:e43458. [PMID: 37711929 PMCID: PMC10498801 DOI: 10.7759/cureus.43458] [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: 08/14/2023] [Indexed: 09/16/2023] Open
Abstract
BACKGROUND Magnesium sulphate (MgSO4) is conventionally used in the treatment of eclampsia, refractive arrhythmias, asthma, etc. In our study, we aimed to study the analgesic effects of MgSO4 as an adjuvant to fentanyl and reduce the intraoperative opioid requirement to decrease their adverse effects. METHODS A total of 122 patients scheduled for hysteroscopy were randomly divided into two groups. Patients in the magnesium group (group A) received intravenous MgSO4 50 mg/kg in 100 ml of isotonic saline over 15 minutes before anaesthesia induction and then 15 mg/kg per hour by continuous intravenous infusion. Patients in the control group (group B) received an equal volume of isotonic saline as a placebo. All the patients were induced with fentanyl and propofol. Perioperative haemodynamic monitoring and postoperative assessment of pain were done. RESULTS Only 18% of the patients in group A required rescue analgesics as compared to 39.3% of patients in group B. The patients receiving MgSO4 displayed lower verbal numeric rating scale scores in the postoperative period. In addition, the intraoperative requirement of fentanyl (101 (21.33) vs. 144 (28.4) µg, mean (SD)) and propofol (121 (13.3) vs. 140 (16.5) mg, mean (SD)) was significantly lower in group A as compared to that in group B. CONCLUSION MgSO4, when administered as an adjuvant to opioids, provided effective postoperative analgesia thereby reducing the need for rescue analgesics. It also decreases intraoperative fentanyl consumption and its dose-related side effects.
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Affiliation(s)
- Sonal Mishra
- Anesthesiology, Sawai Man Singh (SMS) Medical College, Jaipur, IND
| | - Siddharth Jain
- Orthopedics, All India Institute of Medical Sciences, Bhopal, IND
| | - Shobha Purohit
- Anesthesiology, Sawai Man Singh (SMS) Medical College, Jaipur, IND
| | - Girdhari Lal
- Anesthesiology, Sawai Man Singh (SMS) Medical College, Jaipur, IND
| | - Neelu Sharma
- Anesthesiology, Sawai Man Singh (SMS) Medical College, Jaipur, IND
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Xie WJ, Hong JS, Feng CF, Chen HF, Li W, Li YC. Pharmacological interventions for preventing opioid-induced hyperalgesia in adults after opioid-based anesthesia: a systematic review and network meta-analysis. Front Pharmacol 2023; 14:1199794. [PMID: 37426819 PMCID: PMC10324676 DOI: 10.3389/fphar.2023.1199794] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 06/12/2023] [Indexed: 07/11/2023] Open
Abstract
Background: Opioid-induced hyperalgesia (OIH) is an adverse event of prolonged opioid use that increases pain intensity. The optimal drug to prevent these adverse effects is still unknown. We aimed to conduct a network meta-analysis to compare different pharmacological interventions for preventing the increase in postoperative pain intensity caused by OIH. Methods: Several databases were searched independently for randomized controlled trials (RCTs) comparing various pharmacological interventions to prevent OIH. The primary outcomes were postoperative pain intensity at rest after 24 h and the incidence of postoperative nausea and vomiting (PONV). Secondary outcomes included pain threshold at 24 h after surgery, total morphine consumption over 24 h, time to first postoperative analgesic requirement, and shivering incidence. Results: In total, 33 RCTs with 1711 patients were identified. In terms of postoperative pain intensity, amantadine, magnesium sulphate, pregabalin, dexmedetomidine, ibuprofen, flurbiprofen plus dexmedetomidine, parecoxib, parecoxib plus dexmedetomidine, and S (+)-ketamine plus methadone were all associated with milder pain intensity than placebo, with amantadine being the most effective (SUCRA values = 96.2). Regarding PONV incidence, intervention with dexmedetomidine or flurbiprofen plus dexmedetomidine resulted in a lower incidence than placebo, with dexmedetomidine showing the best result (SUCRA values = 90.3). Conclusion: Amantadine was identified as the best in controlling postoperative pain intensity and non-inferior to placebo in the incidence of PONV. Dexmedetomidine was the only intervention that outperformed placebo in all indicators. Clinical Trial Registration: https://www.crd.york.ac. uk/prospero/display_record.php?, CRD42021225361.
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Affiliation(s)
- Wei-Ji Xie
- Department of Anesthesiology, State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Ji-Shuang Hong
- Department of Anesthesiology, State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Cheng-Fei Feng
- Department of Anesthesiology, State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Hao-Feng Chen
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wei Li
- Department of Anesthesiology, State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Yong-Chun Li
- Department of Anesthesiology, State Key Laboratory of Oncology in Southern China, Sun Yat-sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
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Sravanthi GC, Abuji K, Soni SL, Nagaraj SS, Sharma A, Jafra A, Tandup C, Kurdia KC, Dahiya D. Effect of intraperitoneal magnesium sulfate in the prevention of postoperative pain in daycare laparoscopic cholecystectomy - A prospective randomized controlled trial. Indian J Pharmacol 2023; 55:174-178. [PMID: 37555412 PMCID: PMC10501544 DOI: 10.4103/ijp.ijp_827_22] [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: 12/03/2022] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 08/10/2023] Open
Abstract
This study evaluated the efficacy of intraperitoneal magnesium sulfate (MgSO4) in preventing postoperative pain after elective laparoscopic cholecystectomy (LC). It is a prospective, double-blinded, placebo-controlled, randomized trial which included 64 patients who underwent LC. Patients were equally randomized into Groups A and B. MgSO4 and normal saline were instilled in subdiaphragmatic space in Groups A and B, respectively, after creating pneumoperitoneum and before starting dissection. The Visual analogue Scale (VAS) was used to determine postoperative pain. Patients who received intraperitoneal MgSO4 had lower average VAS scores for the first 6 h postoperatively, and also, the time for the requirement of first analgesic was longer (3.6 ± 0.4 vs. 2.3 ± 1.0 h). The incidence of vomiting and the requirement for rescue antiemetic was also lower in Group A. Intraperitoneal instillation of MgSO4 reduces postoperative pain and vomiting following elective LC without incurring additional side effects.
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Affiliation(s)
| | | | - Shiv Lal Soni
- Department of Anaesthesia and Critical Care, PGIMER, Chandigarh, India
| | | | | | - Anudeep Jafra
- Department of Anaesthesia and Critical Care, PGIMER, Chandigarh, India
| | | | | | - Divya Dahiya
- Department of Surgery, PGIMER, Chandigarh, India
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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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Hassan ME, Mahran E. Effect of magnesium sulfate with ketamine infusions on intraoperative and postoperative analgesia in cancer breast surgeries: a randomized double-blind trial. BRAZILIAN JOURNAL OF ANESTHESIOLOGY (ELSEVIER) 2023; 73:165-170. [PMID: 34332956 PMCID: PMC10068526 DOI: 10.1016/j.bjane.2021.07.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 07/12/2021] [Accepted: 07/17/2021] [Indexed: 11/16/2022]
Abstract
BACKGROUND Opioids are the cornerstone in managing postoperative pain; however, they have many side effects. Ketamine and Magnesium (Mg) are NMDA receptor antagonists used as adjuvant analgesics to decrease postoperative opioid consumption. OBJECTIVE We assumed that adding Mg to ketamine infusion can improve the intraoperative and postoperative analgesic efficacy of ketamine infusion alone in cancer breast surgeries. METHODS Ninety patients aged between 18 and 65 years and undergoing elective cancer breast surgery were included in this prospective randomized, double-blind study. Group K received ketamine 0.5.ßmg.kg...1 bolus then 0.12.ßmg.kg...1.h...1 infusion for the first 24.ßhours postoperatively. Group KM: received ketamine 0.5.ßmg.kg...1 and Mg sulfate 50.ßmg.kg...1, then ketamine 0.12.ßmg.kg...1.h...1 and Mg sulfate 8.ßmg.kg...1.h...1 infusions for the first 24.ßhours postoperative. The primary outcome was the morphine consumption in the first 24.ßhours postoperative, while the secondary outcomes were: intraoperative fentanyl consumption, NRS, side effects, and chronic postoperative pain. RESULTS Group KM had less postoperative opioid consumption (14.12.ß...ß5.11.ßmg) than Group K (19.43.ß...ß6.8.ßmg). Also, Group KM had less intraoperative fentanyl consumption. Both groups were similar in postoperative NRS scores, the incidence of side effects related to opioids, and chronic neuropathic pain. CONCLUSION Adding Mg to ketamine infusion can safely improve intraoperative and postoperative analgesia with opioid-sparing effect in cancer breast surgery.
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Affiliation(s)
| | - Essam Mahran
- Cairo University, National Cancer Institute, Cairo, Egypt
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13
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Strategy for Calculating Magnesium Sulfate Dose in Obese Patients: A Randomized Blinded Trial. Anesthesiol Res Pract 2022; 2022:8424670. [DOI: 10.1155/2022/8424670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 10/14/2022] [Accepted: 10/22/2022] [Indexed: 11/09/2022] Open
Abstract
Background. Magnesium sulfate has analgesic properties during the postoperative period. However, there is a knowledge gap in pharmacology related to the use of the real, ideal, or corrected ideal body weight to calculate its dose in obese patients. This trial compared postoperative analgesia using actual and corrected ideal body weight. Methods. Seventy-five obese patients scheduled to undergo laparoscopic gastroplasty or cholecystectomy under general anesthesia were randomly assigned to three groups. The patients in the control group did not receive magnesium sulfate; the other two groups received magnesium sulfate at 40 mg·kg−1 of actual body weight or corrected ideal body weight. Results. In patients with body mass index >30 mg·kg−2 (mean body mass index ranging from 32.964 kg·m−2 to 33.985 kg·m−2, according to the groups) scheduled for video laparoscopic cholecystectomy, there were no differences in the blood magnesium concentrations in the groups receiving magnesium sulfate throughout the study, regardless of whether the strategy to calculate its dose was based on total or corrected ideal body weight. Patients in the groups receiving magnesium sulfate showed a significant reduction in morphine consumption (
) and pain scores (
) in the postoperative period compared to those in the control group. There were no significant differences in morphine consumption (
) or pain scores (
) between the two groups receiving magnesium sulfate. There were no differences in the total duration of neuromuscular block induced by cisatracurium among the three groups (
). Conclusions. Magnesium sulfate decreased postoperative pain and morphine consumption without affecting the recovery time of cisatracurium in obese patients undergoing laparoscopic cholecystectomy. Strategies to calculate the dose based on the actual or corrected ideal body weight had similar outcomes related to analgesia and the resulting blood magnesium concentration. However, as the sample in this trial presented body mass indices ranging from 30.11 kg·m−2 to 47.11 kg/m−2, further studies are needed to confirm these findings in more obese patients, easily found in centers specialized.
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Yazdi AP, Esmaeeli M, Gilani MT. Effect of intravenous magnesium on postoperative pain control for major abdominal surgery: a randomized double-blinded study. Anesth Pain Med (Seoul) 2022; 17:280-285. [PMID: 35918860 PMCID: PMC9346203 DOI: 10.17085/apm.22156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 06/10/2022] [Indexed: 11/17/2022] Open
Abstract
Background This study aimed to evaluate the postoperative analgesic effect of magnesium sulfate during abdominal surgery. Methods This randomized double-blinded study involved 84 patients candidates for abdominal surgery into two same groups. In the magnesium group, at first 25 mg/kg/1 h magnesium sulfate; and then, 100 mg/kg/24 h was infused in the intensive care unit. The pain intensity (the primary outcome), was assessed using the numeric rating scale (NRS) every 3 h. If the NRS was > 3, morphine (as a secondary outcome) was used and evaluated. The results were analyzed using SPSS ver. 19 software, and statistical significance was set at P < 0.05 Results Demographic parameters were similar between the groups. The pain intensity were similar at first and then at the third hour in both groups (P = 0.393 and P = 0.172, respectively), but thereafter between 6 and 24 h, the pain severity was significantly lower in the magnesium group (4.4 ± 1.3 in the control and 3.34 ± 1 in the magnesium group at 6th hour and P = 0.001). In addition, morphine intake in the first 24 h in the two groups had a significant difference, with 13.2 ± 5.7 mg in control group and 8 ± 3.5 mg in magnesium group (P = 0.001). Conclusions In this study, intravenous magnesium sulfate after abdominal surgeries for 24 h resolved the pain intensity after six hours and reduced morphine dosage.
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Affiliation(s)
- Arash Peivandi Yazdi
- Department of Anesthesiology, Lung Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mehrdad Esmaeeli
- Department of Anesthesiology, Lung Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mehryar Taghavi Gilani
- Department of Anesthesiology, Lung Diseases Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Corresponding author: Mehryar Taghavi Gilani, M.D. Department of Anesthesiology, Lung Diseases Research Center, Mashhad University of Medical Sciences, Emam Reza Hospital, Sina Ave., Mashhad 9137913316, Iran Tel: 98-5138583878, Fax: 98-5138436199 E-mail:
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Hashemian M, Mirkheshti A, Mirafzal A, Ahmadipour H, Nasehabad MA. The effect of preoperative oral magnesium oxide on the severity of postoperative pain among women undergoing hysterectomy. Ir J Med Sci 2022; 191:2711-2716. [PMID: 35022952 DOI: 10.1007/s11845-021-02905-8] [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: 12/17/2021] [Accepted: 12/22/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Magnesium sulfate has been reported to be effective in perioperative pain treatment and in blunting somatic, autonomic, and endocrine reflexes provoked by noxious stimuli. The pre-emptive analgesic effects of magnesium in reducing postoperative pain could be beneficial in abdominal and gynecologic surgeries. OBJECTIVE The aim of study was to compare the pre-emptive analgesic effects of oral magnesium oxide and naproxen for hysterectomy surgery. METHODS This study evaluated all patients who were candidates for hysterectomy in 2 months. The 64 patients were randomly divided into two groups using a random allocation sequence. The patients in the intervention and control groups received either magnesium oxide tablet (500 mg) or naproxen tablet (500 mg) orally half an hour before surgery, respectively. The severity of postoperative pain is assumed as a primary outcome which is evaluated using the visual analogue scale (VAS). RESULTS In this study, 64 patients were assessed. The results showed age, weight, systolic and diastolic blood pressure, and pulse rate of the patients in the two groups were not significantly different (p > 0.05). The mean score of pain intensity for these patients was significantly lower than the patients receiving naproxen (p-value: 0.03). Besides, more than one-quarter of patients in the magnesium oxide group (n = 9, 28.12%) received this analgesia with lower dose than the patients in the naproxen group (p-value: 0.03). CONCLUSION The results of this study showed that preoperative oral magnesium oxide had a significant effect on the severity of postoperative pain and consumption of postoperative analgesia.
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Affiliation(s)
- Morteza Hashemian
- Department of Anesthesiology and Pain Medicine, Kerman University of Medical Sciences, Kerman, Iran.
| | - Alireza Mirkheshti
- Department of Anesthesiology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amirhossein Mirafzal
- Department of Emergency Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Habibeh Ahmadipour
- Institute for Future Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
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Preoperative effects of magnesium sulfate on hemodynamics and muscle relaxation. JOURNAL OF SURGERY AND MEDICINE 2021. [DOI: 10.28982/josam.954330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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The effect of intravenous magnesium on postoperative morphine consumption in noncardiac surgery: A systematic review and meta-analysis with trial sequential analysis. Eur J Anaesthesiol 2021; 37:212-223. [PMID: 31977626 DOI: 10.1097/eja.0000000000001164] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Several studies suggest that systemic magnesium reduces postoperative opioid consumption and the intensity of pain, but others report conflicting results. The efficacy and safety profile of intravenous magnesium in noncardiac surgery remain uncertain. OBJECTIVES The aim of this review was to investigate the effect of intravenous magnesium on the consumption of postoperative morphine in the first 24 h in adults undergoing noncardiac surgery. DESIGN Systematic review and meta-analysis with trial sequential analysis. DATA SOURCES MEDLINE, EMBASE, CENTRAL from their inception until January 2019. ELIGIBILITY CRITERIA All randomised clinical trials comparing intravenous magnesium versus placebo in noncardiac surgery were systematically searched in the databases. Observational studies, case reports, case series and nonsystematic reviews were excluded. RESULTS Fifty-one trials (n=3311) were included for quantitative meta-analysis. In comparison with placebo, postoperative morphine consumption at 24-h was significantly reduced in the magnesium group, with a mean difference [95% confidence interval (CI)] of -5.6 mg (-7.54 to -3.66, P < 0.001, I = 92%, level of evidence low). The trial sequential analysis for the effect of magnesium on postoperative morphine consumption was conclusive. Patients who received magnesium had a longer time to the first analgesia request [143 (103 to 183) min, P < 0.001, I = 99%, level of evidence low] and a lower incidence of shivering [0.26 (0.15 to 0.44), P < 0.001, I = 35%, level of evidence very low]. However, no significance differences were demonstrated in postoperative pain scores in the first 24 h (mean difference, 95% CI) -0.30 (-0.69 to 0.09, P = 0.13, I = 91%, level of evidence low), bradycardia (odds ratio, 95% CI) 1.13 (0.43 to 2.98, P = 0.80, I = 35%, level of evidence very low) and postoperative nausea and vomiting (odds ratio, 95% CI) 0.90 (0.67 to 1.22, P = 0.49, I = 25%, level of evidence moderate). CONCLUSION The current meta-analysis demonstrates that the use of intravenous magnesium as part of multimodal analgesia may reduce morphine consumption in the first 24 h after surgery and delay the time to the first request for analgesia in patients undergoing noncardiac surgery. However, the included studies were of low-quality with substantial heterogeneity. TRIAL REGISTRATION CRD42018086846.
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18
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Magnesium for Pain Treatment in 2021? State of the Art. Nutrients 2021; 13:nu13051397. [PMID: 33919346 PMCID: PMC8143286 DOI: 10.3390/nu13051397] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 12/11/2022] Open
Abstract
Background: Magnesium (Mg) is commonly used in clinical practice for acute and chronic pain and has been reported to reduce pain intensity and analgesics consumption in a number of studies. Results are, however, contested. Objectives: This review aims to investigate randomised clinical trials (RCTs) on the effectiveness of Mg treatment on pain and analgesics consumption in situations including post-operative pain, migraine, renal pain, chronic pain, neuropathic pain and fibromyalgia. Results: The literature search identified 81 RCTs (n = 5447 patients) on Mg treatment in pain (50 RCTs in post-operative pain, 18 RCTs in migraine, 5 RCTs in renal pain, 6 RCTs in chronic/neuropathic pain, 2 RCTs in fibromyalgia). Conclusion: The level of evidence for the efficacy of Mg in reducing pain and analgesics consumption is globally modest and studies are not very numerous in chronic pain. A number of gaps have been identified in the literature that need to be addressed especially in methodology, rheumatic disease, and cancer. Additional clinical trials are needed to achieve a sufficient level of evidence and to better optimize the use of Mg for pain and pain comorbidities in order to improve the quality of life of patients who are in pain.
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19
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Han J, Jeon YT, Ryu JH, Koo CH, Nam SW, Cho SI, Oh AY. Effects of magnesium on the dose of rocuronium for deep neuromuscular blockade: A randomised controlled trial. Eur J Anaesthesiol 2021; 38:432-437. [PMID: 32890015 DOI: 10.1097/eja.0000000000001329] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND Magnesium is known to enhance the effect of rocuronium, but the extent is not quantified. OBJECTIVES We aimed to quantify the effect of magnesium on the dose of rocuronium for deep neuromuscular blockade. DESIGN A randomised controlled study. SETTING A single tertiary care hospital. PATIENTS Seventy males scheduled to undergo robot-assisted laparoscopic prostatectomy, aged between 20 and 80 years with American Society of Anesthesiologists physical status classification 1 or 2, were enrolled. INTERVENTIONS Patients were randomised to either the magnesium group or control group. The magnesium group were infused with 50 mg kg-1 of magnesium, followed by a continuous intra-operative infusion at 15 mg kg-1 h-1 while the control group were infused with the same volumes of 0.9% saline. Deep neuromuscular blockade was maintained with a continuous infusion of rocuronium and was reversed using sugammadex. MAIN OUTCOME MEASURES The primary outcome was the dose of rocuronium administered to maintain deep neuromuscular blockade. The secondary outcomes were recovery time, defined as the time from the administration of sugammadex to train-of-four ratio 0.9, and the incidence of postoperative nausea and vomiting. RESULTS The dose of rocuronium administered to maintain deep neuromuscular blockade was significantly lower in the magnesium group (7.5 vs. 9.4 μg kg-1 min-1, P = 0.01). There was no difference in recovery time or the incidence of nausea and vomiting. CONCLUSION Magnesium reduced the dose of rocuronium required for deep neuromuscular blockade by approximately 20% without affecting the recovery time after administration of sugammadex. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT04013243.
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Affiliation(s)
- Jiwon Han
- From the Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam (JH, Y-TJ, J-HR, C-HK, SWN, S-IC, A-YO) and Department of Anesthesiology and Pain Medicine, Seoul National University, Seoul, South Korea (Y-TJ, J-HR, A-YO)
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20
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Benevides ML, Fialho DC, Linck D, Oliveira AL, Ramalho DHV, Benevides MM. Intravenous magnesium sulfate for postoperative analgesia after abdominal hysterectomy under spinal anesthesia: a randomized, double-blind trial. Braz J Anesthesiol 2021; 71:498-504. [PMID: 33762190 PMCID: PMC9373682 DOI: 10.1016/j.bjane.2021.01.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 09/29/2020] [Accepted: 01/02/2021] [Indexed: 12/23/2022] Open
Abstract
Background and objectives Abdominal Hysterectomy (AH) is associated with significant inflammatory response and can result in moderate to severe postoperative pain. This study aimed to evaluate the efficacy of magnesium infusion in reducing postoperative pain and analgesic consumption after AH under spinal anesthesia with Intrathecal Morphine (ITM). Method Eighty-six patients were included in this clinical, controlled, randomized, double-blind study. Patients received in Group Mg, MgSO4 50 mg kg−1 for 15 minutes followed by 15 mg kg−1 h−1 until the end of the surgery; and in Group C, (control) the same volume of isotonic saline. Both groups received 100 μg of ITM. All patients received dipyrone + ketoprofen intraoperatively and postoperatively, and dexamethasone intraoperatively only. We evaluated the intensity of pain, tramadol consumption, and adverse events 24 hours postoperatively. Results Serum magnesium concentrations were higher in Group Mg at the end, and one hour after the operation (p = 0.000). Postoperative pain scores were reduced in Group Mg at 6 hours at rest and on movement (p < 0.05). Tramadol consumption did not show a statistically significant difference between Group Mg and Group C (15.5 ± 36.6 mg and 29.2 ± 67.8 mg respectively, p = 0.53). Hemodynamic variables, the incidence of pruritus, nausea, and vomiting were similar in the two groups. Conclusion Infusion of MgSO4 during AH undergoing spinal anesthesia with ITM reduced at 6 hours at rest and on movement. More studies should be performed to evaluate the potential antinociceptive effect of MgSO4 in scenarios where a multimodal analgesia approach was employed.
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Affiliation(s)
| | | | - Daiane Linck
- Hospital Geral Universitário, Cuiabá, MT, Brazil
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21
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Association between ionized magnesium and postoperative shivering. J Anesth 2021; 35:412-419. [PMID: 33682037 DOI: 10.1007/s00540-021-02914-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 03/01/2021] [Indexed: 12/20/2022]
Abstract
PURPOSE Ionized magnesium (iMg) is considered to be the biologically active fraction of circulating total serum Mg (tMg). However, only the relationship between tMg and postoperative shivering has been studied. To our knowledge, hitherto no clinical studies have investigated the association between serum ionized magnesium concentration ([iMg]) and postoperative shivering. Therefore, we aimed to retrospectively examine this association, focusing on hypomagnesemia and depletion of [iMg]. METHODS This retrospective study involved 421 patients who underwent pancreaticoduodenectomy under general anesthesia at our center from December 2012 to September 2019. Logistic regression analysis was performed to estimate the odds ratio (OR) for the incidence of postoperative shivering. RESULTS Postoperative shivering developed in 111 out of 421 patients. The post-surgical concentration of [iMg] was significantly associated with postoperative shivering in the non-adjusted model, but not in the multivariable-adjusted model. In multivariable-adjusted analysis, progressive decrease of [iMg] by 0.1 mmol/L significantly increased the risk of postoperative shivering (OR: 1.64, 95% CI 1.02-2.64, p = 0.04). The multivariable-adjusted OR for postoperative shivering was 3.65 (95% CI 1.25-13.55, p = 0.02) in subjects with post-surgical [iMg] less than 0.6 mmol/L and decrease in [iMg] during surgery compared with those with post-surgical [iMg] more than 0.6 mmol/L and constant or increased of [iMg] during surgery. CONCLUSION A decrease in the [iMg] during surgery was significantly associated with postoperative shivering. Subjects who had an [iMg] lower than 0.6 mmol/L post-surgery and decreased [iMg] during surgery had a significantly higher risk of postoperative shivering. Intraoperative depletion of [iMg] was significantly associated with shivering.
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Lee JH, Choi S, Lee M, Jang YE, Kim EH, Kim JT, Kim HS. Effect of magnesium supplementation on emergence delirium and postoperative pain in children undergoing strabismus surgery: a prospective randomised controlled study. BMC Anesthesiol 2020; 20:289. [PMID: 33208099 PMCID: PMC7672912 DOI: 10.1186/s12871-020-01192-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 10/20/2020] [Indexed: 12/29/2022] Open
Abstract
Background The benefits of intraoperative magnesium supplementation have been reported. In this prospective, randomized study, the effects of magnesium supplementation during general anaesthesia on emergence delirium and postoperative pain in children were evaluated. Methods A total of 66 children aged 2 to 5 years who underwent strabismus surgery were assigned to the magnesium or to the control group. Preoperative anxiety was assessed using the modified Yale Preoperative Anxiety Scale. After anaesthesia induction, the magnesium group received an initial loading dose of 30 mg/kg magnesium sulphate over 10 min and, then, continuous infusion of 10 mg/kg per h until 10 min before the end of the surgery. The control group received an equal volume of normal saline via the same regimen. The Paediatric Anaesthesia Emergence Delirium (PAED) score, pain score, and respiratory events were assessed at the postanaesthetic care unit. Results Data obtained from 65 children were analyzed. The PAED and pain scores of the two groups did not differ significantly. There were 26 of 33 (78.8%) and 27 of 32 (84.4%) children with emergence delirium in the control and the magnesium groups, respectively (odds ratio 0.69, 95% CI 0.19–2.44; p = 0.561). The preoperative anxiety score was not significantly correlated with the PAED score. The incidence of respiratory events during the emergence period did not differ significantly between the two groups. Conclusions Magnesium supplementation during anaesthesia had no significant effects on the incidence of emergence delirium or postoperative pain in children undergoing strabismus surgery. Trial registration ClinicalTrials.gov (NCT03132701). Prospectively registered May 8, 2017.
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Affiliation(s)
- Ji-Hyun Lee
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, # 101 Daehakno, Jongnogu, Seoul, 03080, Republic of Korea
| | - Seungeun Choi
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, # 101 Daehakno, Jongnogu, Seoul, 03080, Republic of Korea
| | - Minkyoo Lee
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, # 101 Daehakno, Jongnogu, Seoul, 03080, Republic of Korea
| | - Young-Eun Jang
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, # 101 Daehakno, Jongnogu, Seoul, 03080, Republic of Korea
| | - Eun-Hee Kim
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, # 101 Daehakno, Jongnogu, Seoul, 03080, Republic of Korea
| | - Jin-Tae Kim
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, # 101 Daehakno, Jongnogu, Seoul, 03080, Republic of Korea
| | - Hee-Soo Kim
- Department of Anaesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, # 101 Daehakno, Jongnogu, Seoul, 03080, Republic of Korea.
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Reducing the dose of neuromuscular blocking agents with adjuncts: a systematic review and meta-analysis. Br J Anaesth 2020; 126:608-621. [PMID: 33218672 DOI: 10.1016/j.bja.2020.09.048] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 09/14/2020] [Accepted: 09/14/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Acute global shortages of neuromuscular blocking agents (NMBA) threaten to impact adversely on perioperative and critical care. The use of pharmacological adjuncts may reduce NMBA dose. However, the magnitude of any putative effects remains unclear. METHODS We conducted a systematic review and meta-analysis of RCTs. We searched Medline, Embase, Web of Science, and Cochrane Database (1970-2020) for RCTs comparing use of pharmacological adjuncts for NMBAs. We excluded RCTs not reporting perioperative NMBA dose. The primary outcome was total NMBA dose used to achieve a clinically acceptable depth of neuromuscular block. We assessed the quality of evidence using the GRADE (Grades of Recommendation, Assessment, Development, and Evaluation) criteria. Data are presented as the standardised mean difference (SMD); I2 indicates percentage of variance attributable to heterogeneity. RESULTS From 3082 records, the full texts of 159 trials were retrieved. Thirty-one perioperative RCTs met the inclusion criteria for meta-analysis (n=1962). No studies were conducted in critically ill patients. Reduction in NMBA dose was associated with use of magnesium (SMD: -1.10 [-1.44 to -0.76], P<0.001; I2=85%; GRADE=moderate), dexmedetomidine (SMD: -0.89 [-1.55 to -0.22]; P=0.009; I2=87%; GRADE=low), and clonidine (SMD: -0.67 [-1.13 to -0.22]; P=0.004; I2=0%; GRADE=low) but not lidocaine (SMD: -0.46 [-1.01 to -0.09]; P=0.10; I2=68%; GRADE=moderate). Meta-analyses for nicardipine, diltiazem, and dexamethasone were not possible owing to the low numbers of studies. We estimated that 30-50 mg kg-1 magnesium preoperatively (8-15 mg kg h-1 intraoperatively) reduces rocuronium dose by 25.5% (inter-quartile range, 14.7-31). CONCLUSIONS Magnesium, dexmedetomidine, and clonidine may confer a clinically relevant sparing effect on the required dose of neuromuscular block ing drugs in the perioperative setting. SYSTEMATIC REVIEW REGISTRATION PROSPERO: CRD42020183969.
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Varas V, Bertinelli P, Carrasco P, Souper N, Álvarez P, Danilla S, Egaña JI, Penna A, Sepúlveda S, Arancibia V, Álvarez MG, Vergara R. Intraoperative Ketamine and Magnesium Therapy to Control Postoperative Pain After Abdominoplasty and/or Liposuction: A Clinical Randomized Trial. J Pain Res 2020; 13:2937-2946. [PMID: 33235492 PMCID: PMC7678693 DOI: 10.2147/jpr.s276710] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 11/02/2020] [Indexed: 11/23/2022] Open
Abstract
Purpose This study aimed to compare the effects of ketamine and ketamine associated with magnesium on opioid consumption and pain scores in patients undergoing abdominoplasty and/or liposuction compared to standard treatment. Patients and Methods A total of 63 patients were included and randomized as follows: 21 patients in the Control group, 20 patients in the Ketamine group (Ket), and 22 patients in the Ketamine-magnesium group (KetMag). The KetMag group received an IV bolus of 0.3 mg/kg of ketamine and 50 mg/kg magnesium, followed by continuous infusion of ketamine (0.15 mg/kg/h) and magnesium (10 mg/kg/h) until extubation. The Ket group received the same bolus and infusion of ketamine, together with a bolus and continuous infusion of placebo instead of magnesium. The Control group received saline instead of ketamine and magnesium. The groups were compared in morphine consumption during the first 12h, body-postoperative pain and disability scale until the 90th day, the time until the first morphine request on the PCA pump, pain scores, and the adverse effects related to the use of study drugs. Results The KetMag group had a lower morphine consumption by almost 50% during the first 12h than the Control and the Ket groups. In addition, the KetMag group required the first dose of morphine later than the other two groups. There were no differences in the adverse effects of the proposed treatments. Finally, multiple linear regression and a nonlinear approach analysis indicated that the Control group experienced a higher degree of pain and increased morphine consumption per hour than Ket and KetMag groups. Conclusion Co-administration of intraoperative ketamine plus magnesium and ketamine alone are an effective and easy regime for reducing pain and opioid consumption in the postoperative period.
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Affiliation(s)
- Verónica Varas
- Department of Anesthesia and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Paz Bertinelli
- Department of Anesthesia and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Pablo Carrasco
- Department of Anesthesia and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Nicole Souper
- Department of Anesthesia and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Patricio Álvarez
- Department of Anesthesia and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Stefan Danilla
- Department of Surgery, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - José Ignacio Egaña
- Department of Anesthesia and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, Chile.,Biomedical Neuroscience Institute (BNI), Universidad de Chile, Santiago, Chile
| | - Antonello Penna
- Department of Anesthesia and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, Chile.,Centro de Investigación Clínica Avanzada (CICA), Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Sergio Sepúlveda
- Department of Surgery, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Virginia Arancibia
- Department of Anesthesia and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - María Gabriela Álvarez
- Department of Anesthesia and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, Chile
| | - Rodrigo Vergara
- Departamento de Kinesiología, Facultad de Artes y Educación Física, Universidad Metropolitana de Ciencias de la Educación, Santiago, Chile
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Beiranvand S, Karimi A, Haghighat Shoar M, Baghizadeh Baghdashti M. The Effects of Magnesium Sulfate with Lidocaine for Infraclavicular Brachial Plexus Block for Upper Extremity Surgeries. J Brachial Plex Peripher Nerve Inj 2020; 15:e33-e39. [PMID: 33173542 PMCID: PMC7647732 DOI: 10.1055/s-0040-1715578] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 06/30/2020] [Indexed: 01/01/2023] Open
Abstract
Background An addition of analgesic to anesthetic agents is likely to increase the effects of anesthesia and reduce associated adverse outcomes. Several adjuvants are studied in this regard. The aim of this study is to investigate the effects of adding a magnesium adjunct to lidocaine for the induction of infraclavicular block. Methods Patients referred to Shohada Ashayer Hospital, Khorramabad, for wrist and hand surgery were enrolled in this study. The intervention/case group included patients who received 18 mL lidocaine (2%) + 2 mL magnesium sulfate (50%), 10 mL normal saline; control group: 18 mL lidocaine (2%) + 12 mL of normal saline. After the induction of ultrasound-guided infraclavicular block, parameters such as duration of reach with respect to complete sensory and motor block, hemodynamic parameters (hypotension and bradycardia), and postoperative pain, using visual analogue scale criteria, were measured. The obtained data were analyzed using a Bayesian path analysis model. Results A total of 30 patients were included in each group. In the case group, sensory and motor block was achieved for 12.136 ± 4.96 and 13 ± 3.589 minutes more than those in the control group. The duration of sedation and immobilization was 2.57 ± 0.764 minute and 4.66 ± 0.909 minutes lengthier in the case group. Regarding the hemodynamic parameters, blood pressure was 0.217 ± 5.031 and 1.59 ± 5.14 units lower in the case group, immediately following the block and the surgery. Similarly, heart rate was 0.776 ± 4.548 and 0.39 ± 3.987 units higher in the case group, after 30 minutes and 2 hours of the procedure. A decrease in the pain was seen at 8, 10, and 12 hours after the surgery, as compared with the control group. An addition of magnesium to lidocaine for infraclavicular block resulted in a significantly longer sedation and immobilization period and decreased postoperative pain at 12 hours. Conclusion Heart rate and blood pressure did not decrease significantly in the case group. It can be concluded that addition of magnesium sulfate to lidocaine can produce better anesthetic and analgesic outcomes with low-to-no adverse effects.
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Affiliation(s)
- Siavash Beiranvand
- Department of Anesthesiology, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Arash Karimi
- Department of Anesthesiology, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Majid Haghighat Shoar
- Department of Anesthesiology, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
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Rajabi M, Razavizade MR, Hamidi-Shad M, Tabasi Z, Akbari H, Hajian A. Magnesium Sulfate and Clonidine; Effects on Hemodynamic Factors and Depth of General Anesthesia in Cesarean Section. Anesth Pain Med 2020; 10:e100563. [PMID: 34150557 PMCID: PMC8207846 DOI: 10.5812/aapm.100563] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 07/29/2020] [Accepted: 08/20/2020] [Indexed: 01/01/2023] Open
Abstract
Background Making stable hemodynamic and also durable unawareness is a daily challenge in the setting of general anesthesia in women who undergo surgical delivery of neonate and have limitations to receive opioids derivatives. Objectives We aimed to evaluate the effects of magnesium sulfate and clonidine on hemodynamic changes and depth of anesthesia and in mentioned mothers and also in neonatal APGAR index. Methods Current randomized, double-blind controlled trial study was conducted among a total of 360 pregnant females (38 - 41 weeks of gestation) who underwent elective cesarean section. Participants were randomly divided into three drug-receiving groups (equal 120 members): magnesium sulfate (30 mg/kg), clonidine (3 µg/kg), and placebo (0.9% NaCl). Patients’ blood pressure, heart rate, cerebral state index (CSI) in specific time zones, and also late 24-hour recall were recorded. The CSI is an electroencephalographic monitoring method helping to assess the depth of anesthesia. Neonatal parameters, including APGAR score and umbilical venous blood sampling, were measured. Results Mean patients’ age was 28 ± 4.5. A significant decreasing and stabilizing effect of magnesium sulfate and clonidine on hemodynamic parameters (blood pressure and heart rate) was revealed (P < 0.001). Evidence implied on deeper anesthesia (lower CSI) among drug receivers comparing to placebo (P < 0.001). None of the participants experienced a late 24-hour recall postoperatively. All neonates were healthy, and no decrease was reported in APGAR score at minutes 1 and 5. Umbilical blood gas analysis showed no signs of acidosis and/or hypoxemia. Conclusions Adjuvant administration of either magnesium sulfate or clonidine is associated with hemodynamic stability and favorable unawareness in the setting of elective surgical delivery.
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Affiliation(s)
- Mehdi Rajabi
- Trauma Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad-Reza Razavizade
- Trauma Research Center, Kashan University of Medical Sciences, Kashan, Iran
- Corresponding Author: Trauma Research Center, Kashan University of Medical Sciences, Kashan, Iran.
| | - Maryam Hamidi-Shad
- Department of Anesthesiology, Kashan University of Medical Sciences, Kashan, Iran
| | - Zohreh Tabasi
- Department of Gynecology, Kashan University of Medical Sciences, Kashan, Iran
| | - Hossein Akbari
- Department of Biostatistics and Epidemiology, Kashan University of Medical Sciences, Kashan, Iran
| | - Abbas Hajian
- Trauma Research Center, Kashan University of Medical Sciences, Kashan, Iran
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Implementation of magnesium sulphate as an adjunct to multimodal analgesic approach for perioperative pain control in lumbar laminectomy surgery: A randomized placebo-controlled clinical trial. Clin Neurol Neurosurg 2020; 197:106091. [PMID: 32721845 DOI: 10.1016/j.clineuro.2020.106091] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/12/2020] [Accepted: 07/13/2020] [Indexed: 11/21/2022]
Abstract
OBJECTIVE To investigate the effect of systemic intraoperative administration of magnesium sulphate when used in the context of a multimodal pain management plan on analgesics consumption and pain scores, and perioperative outcomes after lumbar laminectomy surgery. METHODS Seventy-four patients undergoing lumbar laminectomy were enrolled in this randomized, double-blind, placebo-controlled trial. Participants were randomly allocated to receive magnesium (20 mg/kg iv given as bolus before anesthesia induction followed by 20 mg/kg/h civ until surgery completion) or saline. Hemodynamic variables and desflurane consumption were noted at predefined time-intervals intraoperatively. Primary outcome was postoperative cumulative analgesic consumption over 24 h, while pain intensity (assessed by Visual Analogue Scale [VAS] at 1, 2, 4, 6 and 24 h), intraoperative hemodynamics and opioid requirements, recovery profile, time to first analgesic request, and adverse effects constituted secondary end-points. RESULTS Demographics, surgery duration, desflurane requirements, and recovery profile were comparable between groups. Magnesium attenuated hemodynamic response during incision and emergence from anesthesia. Postoperative analgesics consumption in morphine iv equivalents (mean difference -9.24 [95 %CI -13.31, -5.17] mg; p = 0.001) and VAS scores at all-time points of assessment were lower in magnesium group; this effect peaked at 4 h (mean difference -2.15 [95 %CI -3.21,-1.09; p = 0.001]. Magnesium reduced intraoperative remifentanil consumption and prolonged the time-interval to first rescue analgesia (p < 0.01). No notable adverse effects were recorded. CONCLUSION It occurs that magnesium infusion during lumbar laminectomy surgery potentiates perioperative analgesia and reduces analgesic requirements up to 24 h postoperatively. No profound adverse effect on either intraoperative hemodynamics or any other clinically relevant endpoints becomes evident.
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Chandrasekaran C, Amirtharaj L V, Sekar M, Nancy S M. Post-operative analgesia of 2% lignocaine with or without magnesium sulfate for inferior alveolar nerve block in symptomatic mandibular molars - a randomized double blind controlled clinical trial. J Dent Anesth Pain Med 2020; 20:147-154. [PMID: 32617409 PMCID: PMC7321741 DOI: 10.17245/jdapm.2020.20.3.147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/21/2020] [Accepted: 06/06/2020] [Indexed: 11/15/2022] Open
Abstract
Background Single inferior alveolar nerve block is ineffective in achieving adequate pulpal anesthesia in 30-80% of patients due to anatomical variations, local tissue pH, central sensitization, and several factors. Various supplementary techniques and combination of adjuvants with lignocaine are used to overcome these failures. Magnesium sulfate (MgSO4), one such adjuvant, acts at the N-methyl-D-aspartate glutamate receptor resulting in effective anesthesia. The aim of this prospective, randomized, double-blind, clinical controlled trial was to evaluate the onset, anesthetic efficacy, duration and post-operative analgesia of 2% lignocaine with and without the addition of MgSO4 in patients with symptomatic irreversible pulpitis and apical periodontitis. Methods Fourty-two patients were randomly divided into three groups: 2% lignocaine (group 1) and 2% lignocaine with MgSO4 (75 mg) and (150 mg) in groups 2 and 3, respectively. Pre-operative vitals and Heft Parker-Visual Analogue Scale (HP-VAS) pain scores were recorded. The onset of anesthesia, anesthetic efficacy, and duration of anesthesia were evaluated post administration of the local anesthetic solution. The post-operative analgesia was examined at intervals of 2, 6, 12, 24, and 48 h. Results Administration of 150 mg MgSO4 hastens the onset of anesthesia (1.29 min) and produces better anesthetic efficacy (3.29 HP-VAS) compared to group 2 (2.07 min and 9.14 HP-VAS) and group 1 (3.29 min and 35.79 HP-VAS), respectively. The duration of anesthesia was significantly higher in group 3 (247.07 min) compared to that of groups 2 and 1 (190 min and 110.21 min) with P < 0.05. Conclusion Combining 75 mg or 150 mg of MgSO4 with lignocaine is more effective than 2% lignocaine and 75 mg of MgSO4 is adequate for endodontic procedures.
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Jerkovic D, Tadin A, Gavic L, Vladislavic NZ, Grgic N, Macan D. Effect of orally administered magnesium on postoperative pain level and trismus after surgical removal of the lower third molars: a randomized, double-blind, placebo-controlled trial. Clin Oral Investig 2020; 24:4649-4659. [PMID: 32436160 DOI: 10.1007/s00784-020-03335-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 05/08/2020] [Indexed: 10/24/2022]
Abstract
OBJECTIVES Pain and trismus are the most common postoperative complications following a surgical removal of the lower third molar. This randomized, double-blind, placebo-controlled clinical trial evaluated the effect of orally administrated magnesium on postoperative pain and trismus after surgical removal of the lower third molars. MATERIALS AND METHODS The study was conducted on 80 participants who were divided into two groups. Each group took different oral forms of magnesium citrate. Participants in both groups had their two lower molars surgically removed. For one randomly selected third molar, participants received either magnesium citrate tablets or lozenges. For the surgical removal of the lower third molar of the opposite side, the participants received either placebo tablets or lozenges. The data were analyzed using the Wilcoxon signed-ranked test, the Mann-Whitney U test, and the Spearman rank-order correlation with the level of significance set at p < 0.05. This manuscript was written in accordance with the Consort recommendation. RESULTS The results show a statistically significant lower pain level at all tested times (24 h, 48 h, and 72 h postoperatively) for participants who used magnesium preparations in lozenges (p = 0.012, p = 0.013, and p ≤ 0.001) as well as in tablet form (p ≤ 0.001) compared to placebo. The results also show a statistically significant greater mouth opening ability at all tested times (24 h, 48 h, and 72 h postoperatively) between magnesium preparations and the placebo (p ≤ 0.001). CONCLUSION Orally administered magnesium (either lozenges or tablets) before and after a lower third molar surgical removal significantly reduces pain intensity and the degree of trismus in the postoperative period. CLINICAL RELEVANCE Based on the results of the study, oral magnesium could be used in the oral and maxillofacial surgery to reduce postoperative complications after surgical removal of the lower third molars. TRIAL REGISTRATION This study is registered on http:clinicaltrials.gov under protocol no. NCT03398382.
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Affiliation(s)
- Daniel Jerkovic
- Department of Maxillofacial Surgery, Study of Dental Medicine, School of Medicine, Clinical Hospital Centre, University of Split, Spinciceva 1, 21000, Split, Croatia.
| | - Antonija Tadin
- Department of Restorative Dental Medicine and Endodontics, Study of Dental Medicine, School of Medicine, University of Split, Split, Croatia
| | - Lidia Gavic
- Department for Oral Medicine and Periodontology, Study of Dental Medicine, School of Medicine, University of Split, Split, Croatia
| | | | - Nino Grgic
- School of Dental Medicine, University of Zagreb, Zagreb, Croatia
| | - Darko Macan
- Department of Maxillofacial and Oral Surgery, School of Dental Medicine, University of Zagreb, University Hospital Dubrava, Zagreb, Croatia
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Ataei M, Mashak B, Pouryaghobi SM, Rezaee M, Rad SS, Borzabadi A. Evaluation of the Effects of Magnesium Sulfate on Prevention of Post-dural-Puncture Headache in Elective Cesarean in Kamali Hospital. ELECTRONIC JOURNAL OF GENERAL MEDICINE 2020. [DOI: 10.29333/ejgm/7847] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Is Opioid-Free General Anesthesia More Superior for Postoperative Pain Versus Opioid General Anesthesia in Laparoscopic Cholecystectomy? ACTA ACUST UNITED AC 2020; 40:81-87. [PMID: 31605587 DOI: 10.2478/prilozi-2019-0018] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
INTRODUCTION Opioid-free anesthesia (OFA) is a new anesthesiological technique, where the giving of opioids (fentanyl) is avoided in the intra- and post-operative period. This leads to reduction in the opioid-related side effects and lower pain scores in the postoperative period. MATERIALS AND METHODS In this randomized, single-blind clinical study, 60 patients scheduled for elective laparoscopic cholecystectomy were enrolled. Half of them (30 patients) received general balanced anesthesia with fentanyl (F group-FG), and the half received opioid-free general anesthesia (OFA group-OFAG). In the post-operative period, Visual Analogue Scale (VAS) scores were followed at rest and when coughing 1 hour, 4 hrs, 8 hrs, 12 and 24 hrs after surgery. Both groups were followed by opioid requirements in the postoperative period. RESULTS In the postoperative period, patients in the fentanyl group (FG) have higher pain scores at rest and on coughing in all analyzed timeframes compared to patients from the OFA group, but statistically significant difference was approved 1 and 24 hours after surgery. In the OFA group 24 hours after surgery none of the patients reported pain at rest and when coughing number 7, 8, 9 and 10 according to the VAS pain score. The total opioid requirement in the postoperative period was significantly higher in the fentanyl group (FG) at rest and when coughing, compared to the OFA group. CONCLUSION Opioid-free anesthesia as a part of multimodal analgesia and a new anesthesiology technique is a safe procedure, where opioid-related negative effects in patients undergoing elective laparoscopic cholecystectomy are avoided..
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Dos Reis Falcão LF, Mc Loughlin S, Alvarez A. Choice of Perioperative Anesthetic Medications in Patients Undergoing Bariatric Surgery. Curr Pharm Des 2020; 25:2115-2122. [PMID: 31264540 DOI: 10.2174/1381612825666190628161206] [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: 04/25/2019] [Accepted: 06/20/2019] [Indexed: 11/22/2022]
Abstract
The prevalence of obesity is increasing globally. Rational perioperative anesthetic drug selection and administration require knowledge of how obesity interacts with those drugs. In this review, we summarize different aspects of the anesthetic agents, including pharmacokinetics (PK), pharmacodynamics (PD) and clinical application of the most commonly used medications with particular focus on the enhanced recovery of the obese patient.
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Affiliation(s)
| | - Santiago Mc Loughlin
- Hospital Italiano de Buenos Aires, Pies Ite Gral Juan Domingoperon 4190, C1199ABH, Buenos Aires, Argentina
| | - Adrian Alvarez
- Hospital Italiano de Buenos Aires, Pies Ite Gral Juan Domingoperon 4190, C1199ABH, Buenos Aires, Argentina
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Jabbour H, Jabbour K, Abi Lutfallah A, Abou Zeid H, Nasser-Ayoub E, Abou Haidar M, Naccache N. Magnesium and Ketamine Reduce Early Morphine Consumption After Open Bariatric Surgery: a Prospective Randomized Double-Blind Study. Obes Surg 2019; 30:1452-1458. [DOI: 10.1007/s11695-019-04317-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Abo-Zeid MA, Ghareeb S, Abdelhalim MM. Different Analgesic Routes of Magnesium Sulfate: Intravenous versus Pectoralis II Interfascial Plane Block for Breast Cosmetic Surgeries. Anesth Essays Res 2019; 13:411-416. [PMID: 31602054 PMCID: PMC6775850 DOI: 10.4103/aer.aer_114_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Purpose The purpose of the study is to evaluate the most effective analgesic route of magnesium sulfate (MgSO4) either intravenous (i.v.) or pectoralis interfascial plane block. Patients and Methods Fifty adult female patients were divided into two equal groups: i.v. MgSO4 and Pecs II block MgSO4 (Pecs MgSO4) group. After general anesthesia, in i.v. MgSO4 group, the local anesthetic (LA) for Pecs II block was prepared by adding 3 mL saline to 57 mL bupivacaine 0.25% divided equally for each side. A bolus i.v. solution of MgSO4 10% 0.5 mL.kg-1 diluted in saline in a total volume of 100 mL was given over 15 minutes. Then, the solution for continuous i.v. infusion; 30 mL MgSO4 10% and 70 mL saline was infused at the rate of 0.5 mL.kg-1.h-1 intraoperatively. For PecsMgSO4 group, LA formed of 3 mL MgSO4 10% added to 57 mL bupivacaine 0.25%. Whereas, 100 mL saline was given as bolus i.v. followed by continuous infusion of 100 mL normal saline at the rate of 0.5 mL.kg-1.h-1. Results In the group received MgSO4-bupivacaine Pecs II block, there was a nonsignificant decrease in postoperative morphine consumption compared to i.v. administration of MgSO4. The two groups were comparable in the intensity of pain and sedation scores. Conclusion The use of bupivacaine Pecs II block enhanced with addition of MgSO4 to pectoralis interfascial plane block or intravenously in patients underwent breast cosmetic surgeries under general anesthesia was associated with comparable results of the postoperative morphine requirements, intensity of postoperative pain, and extension of the duration of postoperative analgesia. The intraoperative hemodynamic effects i.v. MgSO4 were superior to the pectoralis interfascial plane route of administration.
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Affiliation(s)
- Maha A Abo-Zeid
- Department of Anesthesia and Surgical Intensive Care, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Sameh Ghareeb
- Department of Anesthesia and Surgical Intensive Care, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - M M Abdelhalim
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Kawakami H, Nakajima D, Mihara T, Sato H, Goto T. Effectiveness of Magnesium in Preventing Shivering in Surgical Patients: A Systematic Review and Meta-analysis. Anesth Analg 2019; 129:689-700. [PMID: 31425208 DOI: 10.1213/ane.0000000000004024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Clinical trials regarding the antishivering effect of perioperative magnesium have produced inconsistent results. We conducted a systematic review and meta-analysis with Trial Sequential Analysis to evaluate the effect of perioperative magnesium on prevention of shivering. METHODS We searched PubMed, EMBASE, Web of Science, Cochrane Central Register of Controlled Trials, and 2 registry sites for randomized clinical trials that compared the administration of magnesium to a placebo or no treatment in patients undergoing surgeries. The primary outcome of this meta-analysis was the incidence of shivering. The incidence of shivering was combined as a risk ratio with 95% CI using a random-effect model. The effect of the route of administration was evaluated in a subgroup analysis, and Trial Sequential Analysis with a risk of type 1 error of 5% and power of 90% was performed. The quality of each included trial was evaluated, and the quality of evidence was assessed using the Grading of Recommendation Assessment, Development, and Evaluation approach. We also assessed adverse events. RESULTS Sixty-four trials and 4303 patients (2300 and 2003 patients in magnesium and control groups, respectively) were included. The overall incidence of shivering was 9.9% in the magnesium group and 23.0% in the control group (risk ratio, 0.42; 95% CI, 0.33-0.52). Subgroup analysis revealed that the incidence of shivering was lower with IV (risk ratio, 0.29; 95% CI, 0.29-0.54; Grading of Recommendation Assessment, Development, and Evaluation, moderate), epidural (risk ratio, 0.24; 95% CI, 0.13-0.43; Grading of Recommendation Assessment, Development, and Evaluation, low), and intrathecal administration (risk ratio, 0.64; 95% CI, 0.43-0.96; Grading of Recommendation Assessment, Development, and Evaluation, moderate). Only trials with low risk of bias were included for Trial Sequential Analysis. The Z-cumulative curve for IV magnesium crossed the Trial Sequential Analysis monitoring boundary for benefit even though only 34.9% of the target sample size had been reached. The Z-cumulative curve for epidural or intrathecal administration did not cross the Trial Sequential Analysis monitoring boundary for benefit. No increase in adverse events was reported. CONCLUSIONS Perioperative IV administration of magnesium effectively reduced shivering and Trial Sequential Analysis suggested that no more trials are required to confirm that IV magnesium effectively reduces shivering.
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Affiliation(s)
| | - Daisuke Nakajima
- Intensive Care Department, Yokohama City University Medical Center, Yokohama, Japan
| | - Takahiro Mihara
- Education and Training Department, Yokohama City University Hospital, YCU Center for Novel and Exploratory Clinical Trials, Yokohama, Japan
- Department of Anesthesiology, Yokohama City University, School of Medicine, Yokohama, Japan
| | | | - Takahisa Goto
- Department of Anesthesiology, Yokohama City University, School of Medicine, Yokohama, Japan
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Agarwal D, Chahar P, Chmiela M, Sagir A, Kim A, Malik F, Farag E. Multimodal Analgesia for Perioperative Management of Patients presenting for Spinal Surgery. Curr Pharm Des 2019; 25:2123-2132. [PMID: 31298146 DOI: 10.2174/1381612825666190708174639] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 06/26/2019] [Indexed: 11/22/2022]
Abstract
Multimodal, non-opioid based analgesia has become the cornerstone of ERAS protocols for effective analgesia after spinal surgery. Opioid side effects, dependence and legislation restricting long term opioid use has led to a resurgence in interest in opioid sparing techniques. The increasing array of multimodal opioid sparing analgesics available for spinal surgery targeting novel receptors, transmitters, and altering epigenetics can help provide an optimal perioperative experience with less opioid side effects and long-term dependence. Epigenetic mechanisms of pain may enhance or suppress gene expression, without altering the genome itself. Such mechanisms are complex, dynamic and responsive to environment. Alterations that occur can affect the pathophysiology of pain management at a DNA level, modifying perceived pain relief. In this review, we provide a brief overview of epigenetics of pain, systemic local anesthetics and neuraxial techniques that continue to remain useful for spinal surgery, neuropathic agents, as well as other common and less common target receptors for a truly multimodal approach to perioperative pain management.
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Affiliation(s)
- Deepak Agarwal
- Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, United States
| | - Praveen Chahar
- Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, United States
| | - Mark Chmiela
- Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, United States
| | - Afrin Sagir
- Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, United States
| | - Arnold Kim
- Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, United States
| | - Faysal Malik
- Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, United States
| | - Ehab Farag
- Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio, United States
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Moulder JK, Boone JD, Buehler JM, Louie M. Opioid Use in the Postoperative Arena: Global Reduction in Opioids After Surgery Through Enhanced Recovery and Gynecologic Surgery. Clin Obstet Gynecol 2019; 62:67-86. [PMID: 30407228 DOI: 10.1097/grf.0000000000000410] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Enhanced recovery programs aim to reduce surgical stress to improve the patient perioperative experience. Through a combination of multimodal analgesia and maintaining a physiological state, postoperative recovery is improved. Many analgesic adjuncts are available that improve postoperative pain control and limit opioid analgesia requirements. Adjuncts are often used in combination, but different interventions may be incorporated for patient-specific and procedure-specific needs. Postoperative pain control can be optimized by continuing nonopioid adjuncts, and prescribing opioid analgesia to address breakthrough pain. Prescribing practices should balance optimizing pain relief, minimizing the risk of chronic pain, while limiting the potential for opioid misuse.
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Affiliation(s)
| | | | - Jason M Buehler
- Anesthesiology, University of Tennessee Medical Center Knoxville, Graduate School of Medicine, Knoxville, Tennessee
| | - Michelle Louie
- Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, North Carolina
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Jannati M, Attar A. Analgesia and sedation post-coronary artery bypass graft surgery: a review of the literature. Ther Clin Risk Manag 2019; 15:773-781. [PMID: 31417264 PMCID: PMC6592068 DOI: 10.2147/tcrm.s195267] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 04/28/2019] [Indexed: 12/25/2022] Open
Abstract
This review aimed to study the role of analgesia and sedation after coronary artery bypass graft (CABG) surgery, regarding pain management, assisted respiration, overall postoperative health care, and hospitalization. Data were collected from Pubmed, Scopus, and Cochrane databases. The following terms were used for the search: “analgesia”, “sedation”, “coronary artery bypass grafting”, CABG”, and “opioids”. Articles between the years 1988 and 2018 were evaluated. Several opioid and non-opioid analgesics used to relieve surgical pain are regarded as critical risk factors for developing pulmonary and cardiovascular complications in all kinds of thoracic surgery, especially CABG procedures. Effective pain management in post-CABG patients is largely dependent on effective pain assessment, type of sedatives and analgesics administered, and evaluation of their effects on pain relief. A significant challenge is to determine adequate amounts of administered analgesics and sedatives for postoperative CABG patients, because patients often order more sedatives and analgesics than needed. The pain management process is deemed successful when patients feel comfortable after surgery, with no negative side effects. However, postoperative pain management patterns have not included many modern methods such as patient-controlled analgesia, and postoperative pain management drugs are still limited to a restricted range of opioid and non-opioid analgesics.
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Affiliation(s)
- Mansour Jannati
- Department of Cardiovascular Surgery, Faghihi Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Armin Attar
- Cardiovascular Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Helmy N, Badawy AA, Hussein M, Reda H. Comparison of the preemptive analgesia of low dose ketamine versus magnesium sulfate on parturient undergoing cesarean section under general anesthesia. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2014.12.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- Nadia Helmy
- Anesthesia Department, Faculty of Medicine , Cairo University , Egypt
| | - Ahmed A. Badawy
- Anesthesia Department, Faculty of Medicine , Cairo University , Egypt
| | - Mohamed Hussein
- Anesthesia Department, Faculty of Medicine , Cairo University , Egypt
| | - Hany Reda
- Anesthesia Department, Faculty of Medicine , Cairo University , Egypt
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ELShamaa HA, Ibrahim M, Eldesuky HL. Magnesium sulfate in femoral nerve block, does postoperative analgesia differ? A comparative study. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2013.10.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Affiliation(s)
| | - Mohamed Ibrahim
- Anesthesia Department, Faculty of Medicine , Zagazig University , Egypt
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Evaluation of effect of intravenous Magnesium Sulfate infusion on tourniquet induced hypertension and pain in arthroscopic knee surgery patients under epidural anesthesia. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2016.08.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Different routes of co-administration of magnesium sulphate with spinal anesthesia in knee arthroscopy: Randomized controlled trial. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2017.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Samir EM, Badawy SS, Hassan AR. Intrathecal vs intravenous magnesium as an adjuvant to bupivacaine spinal anesthesia for total hip arthroplasty. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2013.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Affiliation(s)
- Enas M. Samir
- Kasr Al Aini Hospital, Department of Anesthesia and Intensive Care, Faculty of Medicine, Cairo University, Egypt
| | - Sahar S. Badawy
- Kasr Al Aini Hospital, Department of Anesthesia and Intensive Care, Faculty of Medicine, Cairo University, Egypt
| | - Amira Refaie Hassan
- Kasr Al Aini Hospital, Department of Anesthesia and Intensive Care, Faculty of Medicine, Cairo University, Egypt
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Abdelmawgoud A, Rashwan S. Effect of preoperative oral amantadine on intraoperative anesthetic and analgesic requirements in female patients during abdominoplasty. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2012.09.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
| | - Samaa Rashwan
- Department of Anesthesia, Faculty of Medicine , Beni Sueif University , Egypt
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Cavalcanti IL, de Lima FLT, da Silva MJS, da Cruz Filho RA, Braga ELC, Verçosa N. Use Profile of Magnesium Sulfate in Anesthesia in Brazil. Front Pharmacol 2019; 10:429. [PMID: 31105568 PMCID: PMC6499034 DOI: 10.3389/fphar.2019.00429] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 04/04/2019] [Indexed: 12/16/2022] Open
Abstract
Objectives: The use of magnesium sulfate in the perioperative period has several benefits, including analgesia, inhibition of the release of catecholamines and prevention of vasospasm. The aim of this survey was to provide an overview of the use of magnesium sulfate in anesthesia. Method: This was a prospective descriptive cross-sectional study. An online questionnaire was sent to 9,869 Brazilian anesthesiologists and trainees. The questionnaire comprised closed questions mainly regarding the frequency, clinical effects, adverse events, and doses of magnesium sulfate used in anesthesia. Results: Of the 954 doctors who responded to the survey, 337 (35.32%) reported using magnesium sulfate in anesthesia. The most commonly cited clinical effects for the use of magnesium sulfate in anesthesia were (n/%): postoperative analgesia (245/72.70%), reduction of anesthetic consumption (240/71.21%) and prevention and treatment of preeclampsia and seizures in eclampsia (220/65.28%). The most frequently reported adverse events were hypotension (187/55.48%), residual neuromuscular blockade (133/39.46%), hypermagnesemia (30/8.90%), and intravenous injection pain (26/7.71%). The intravenous doses of magnesium sulfate used in most general anesthesia inductions were between 30 and 40 mg.kg-1. Conclusions: Magnesium sulfate is an important adjuvant drug in the practice of anesthesia, with several clinical effects and a low incidence of adverse events when used at recommended doses.
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Affiliation(s)
- Ismar Lima Cavalcanti
- Department of General and Specialized Surgery, Anesthesiology, Fluminense Federal University, Niterói, Brazil
- Coordination for Education, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil
| | | | | | | | - Estêvão Luiz Carvalho Braga
- Department of General and Specialized Surgery, Anesthesiology, Fluminense Federal University, Niterói, Brazil
| | - Nubia Verçosa
- Department of Surgery, Anesthesiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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Vučković S, Savić-Vujović K, Srebro D, Jovanović L, Prostran M. Role of magnesium sulfate in the treatment of acute postoperative pain. ARHIV ZA FARMACIJU 2019. [DOI: 10.5937/arhfarm1905349v] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Mahajan C, Mishra RK, Jena BR, Kapoor I, Prabhakar H, Rath GP, Chaturvedi A. Effect of magnesium and lignocaine on post-craniotomy pain: A comparative, randomized, double blind, placebo-controlled study. Saudi J Anaesth 2019; 13:299-305. [PMID: 31572073 PMCID: PMC6753769 DOI: 10.4103/sja.sja_837_18] [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: 11/13/2022] Open
Abstract
Background: Lignocaine and Magnesium have an analgesic action and reduce perioperative opioid requirements. We carried out this study to evaluate the effect of magnesium and lignocaine on postoperative pain as assessed using the visual analog scale (VAS) and fentanyl consumption. We also measured S-100 B levels and noted the side effect of drugs if any. Materials and Methods: In this prospective preliminary study, 45 patients undergoing supratentorial craniotomy for tumor surgery were randomized to receive either lignocaine (group I-1.5 mg/kg bolus followed by 2 mg/kg/h infusion), saline (Group II) or magnesium (group III: bolus of 50 mg/kg followed by 25 mg/kg/hr) intraoperatively. The amount of fentanyl required, VAS over first 24 hours and any side effects were noted. S100 B levels were also measured to assess brain protective effect of these drugs, if any. Appropriate statistical tests were applied for analysis of data and a P value < 0.05 was considered statistically significant. Results: None of the patient experienced any adverse hemodynamic effect intraoperatively secondary to the study drugs. The amount of intraoperative fentanyl consumption was comparable among the three groups. The mean VAS score was significantly less in group I and III [Group I (15.3 ± 6.0), Group II (24.8 ± 6.7), Group III (17.9 ± 7.6); (P < 0.01)]. The fentanyl consumed in first 24 hours was significantly less in those patients who received lignocaine and magnesium [Group I (204.4 ± 136.4), Group II (383 ± 168.2), Group III (194 ± 148.9); (P = 0.01)]. S100 value did not differ in the lignocaine and the saline group during the perioperative period. However, a significant decline was noted in the levels of S100 B in the magnesium group. Conclusion: Intraoperative infusion of lignocaine and magnesium results in lower VAS score and decreases the postoperative opioid requirement in patients undergoing craniotomy for excision of supratentorial tumors.
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Affiliation(s)
- Charu Mahajan
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Rajeeb Kumar Mishra
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Bhagya Ranjan Jena
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Indu Kapoor
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Hemanshu Prabhakar
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Girija Prasad Rath
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Arvind Chaturvedi
- Department of Neuroanaesthesiology and Critical Care, All India Institute of Medical Sciences, New Delhi, India
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Parturient on Magnesium Infusion and Its Effectiveness as an Adjuvant Analgesic after Cesarean Delivery: A Retrospective Analysis. ScientificWorldJournal 2018; 2018:3978760. [PMID: 30581373 PMCID: PMC6276462 DOI: 10.1155/2018/3978760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 10/29/2018] [Indexed: 11/17/2022] Open
Abstract
Background Perioperative use of intravenous magnesium as part of multimodal analgesia has been increasing in recent years in an effort to decrease the use of opioids. The aim of this study was to evaluate the effectiveness of magnesium sulfate infusion in lowering analgesic requirement and decreasing the intensity of pain score after cesarean delivery. Methods Sixty-four patients who underwent cesarean delivery under spinal anesthesia were included in this medical record review: 32 patients received magnesium infusion after cesarean delivery for treatment of mild preeclampsia (Mg group); 32 patients received routine post-cesarean delivery care (control group). Primary outcome was total analgesic consumption and secondary was visual analogue scores (VAS) of pain in each group during the first 24 hours following delivery. These measures were compared using Student's t-tests and Mann-Whitney U-tests. Results Our study found that patients in the Mg group had significantly less requirement for analgesia than the control group. In the 24 h after cesarean delivery, the Mg group received significantly less intravenous ketorolac (the standard initial rescue analgesic agent) when compared to the control group (79 ± 23 mg vs. 90 ± 0 mg; P = 0.008). The Mg group also received significantly less intravenous morphine equivalents than the control group (median 5.0 (IRQ: 0.0 - 10.0) vs. 9.3 (IRQ: 6.0 - 21.1); P = 0.001) during the first 24 h after cesarean delivery. The Mg group also had significantly lower VAS pain scores than the control group (median 1.75 (IRQ: 0.4 - 2.6) vs. median 3.2 (IRQ: 2.3 - 4.5); P < 0.001). Conclusions Our results suggest that magnesium sulfate infusion decreases total analgesic requirements and lowers VAS pain scores during the first 24 h after cesarean delivery.
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Abstract
Opioid free anesthesia (OFA) is deffined as anaesthesiological technique where opioids are not used in the intraoperative period (systemic, neuroaxial or intracavitary). Anaphylaxis caused by opioids (fentanyl) is very rare, and the reaction is presented with hypotension and urticaria. When we have proven allergy to fentanyl, patients' refusal of placing epidural catheter and refusal of receiving bilateral ultrasound guided transversus abdominis plane block (USG TAPB), we must think of using multimodal nonopioide analgesia. The concept of multimodal balanced analgesia is consisted of giving different analgesic drugs in purpose to change the pathophysiological process which is included in nociception, in way to receive more effective intraoperative analgesia with less adverse effects. This is a case report of a 60-year-old male patient scheduled for laparotomic hemicolectomy, who previously had proven allergy to fentanyl. We have decided to give him an opioid free anaesthesia. Before the induction to anaesthesia, the patient would receive dexamethasone (dexasone) 0.1 mg/kg and paracetamol 1 gr intravenously. The patient was induced into general endotracheal anesthesia according to a standardized protocol, with midazolam 0.04 mg/kg, lidocaine hydrochloride 1 mg/kg, propofol 2 mg/kg and rocuronium bromide 0.6 mg/kg. Anaesthesia was maintained by using sevoflurane MAC 1 in order to maintain mean arterial pressure (MAP) with a value of +/- 20% of the original value. After tracheal intubation, the patient had received ketamine hydrochloride 0.5 mg/kg (or 50 mg ketamine) in bolus intravenously and a continuous intravenous infusion with lidocaine hydrochloride (lidocaine) 2 mg/kg/hr and magnesium sulfate (MgSO4) 1,5 gr/hr. At the end of surgery the continuous intravenous infusion with lidocaine and magnesium sulfate was stopped while the abdominal wall was closed and 2.5 g of metamizole (novalgetol) was given intravenously. VAS score 2 hours after surgery was 6/10 and 1 gr of paracetamol was given and the patient was transferred to the Department. Over the next 3 days, the patient had a VAS score of 4-6/10 and only received paracetamol 3x1g and novalgetol 3x1 gr daily, every four hours.
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Zhong H, Zhang W. Effect of intravenous magnesium sulfate on bupivacaine spinal anesthesia in preeclamptic patients. Biomed Pharmacother 2018; 108:1289-1293. [DOI: 10.1016/j.biopha.2018.09.157] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 09/09/2018] [Accepted: 09/26/2018] [Indexed: 10/28/2022] Open
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