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Table of Contents
LETTER TO EDITOR
Year : 2021  |  Volume : 37  |  Issue : 1  |  Page : 141-142

Magnesium: The neglected cation in COVID-19?


1 Department of Anaesthesia, Atal Bihari Vajpayee Institute of Medical Sciences (ABVIMS) and Dr. Ram Manohar Lohia Hospital, Baba Kharak Singh Marg, New Delhi, India
2 Department of Cardiac Anaesthesia, Cardiothoracic Centre, CNC, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India

Date of Submission18-Nov-2020
Date of Acceptance29-Nov-2020
Date of Web Publication10-Apr-2021

Correspondence Address:
Dr. Poonam M Kapoor
Room No. 8,7th Floor, Department of Cardiac Anaesthesia, Cardiothoracic Centre, All India Institute of Medical Sciences, Ansari Nagar, New Delhi - 110 029
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/joacp.JOACP_628_20

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How to cite this article:
Jose J, Magoon R, Kapoor PM. Magnesium: The neglected cation in COVID-19?. J Anaesthesiol Clin Pharmacol 2021;37:141-2

How to cite this URL:
Jose J, Magoon R, Kapoor PM. Magnesium: The neglected cation in COVID-19?. J Anaesthesiol Clin Pharmacol [serial online] 2021 [cited 2021 Jun 24];37:141-2. Available from: https://www.joacp.org/text.asp?2021/37/1/141/313452

Dear Editor,

There is a constant emphasis on identifying possible supportive therapies to ameliorate the morbidity and mortality associated with the enigmatic COVID-19 pandemic which continues to bewilder the medical fraternity at large.

In this context, Tang et al. recently proposed that a judicious magnesium supplementation can benefit the COVID-19 cohort like hypertensives, obstetrics, and those with cardiovascular morbidities and airway hyper-reactivity, given its anti-inflammatory, anti-oxidative, bronchial smooth-muscle relaxative role (heralding the beneficial impact on lung and airway related pathologies), as supported by clinical and pre-clinical research.[1]

As an extension of their proposition, the membrane stabilizing properties of magnesium can be particularly useful to an intensive care unit (ICU) physician in attenuating the risk of torsades de pointes with concomitant pro-arrhythmogenic therapies such as hydroxycholoroquine and macrolides, etc. While the drug is also effective against the majority of the other arrhythmias described with an underlying severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, the attributes like analgesia-potentiation and seizure-threshold elevation can equally contribute to the welfare of ICU-admitted COVID-19 patients.[2] In addition, magnesium has been suggested to have a role in staging the innate and adaptive immune-responses instrumental in combating the viral infection.[2]

Moreover, the COVID-19 subset described to be vulnerable to a severe form of disease, such as the elderly cardiac patients are peculiarly prone to magnesium deficiency given the dietary insufficiency alongside the commonplace diuretic therapy. While magnesium deficiency is understandably frequent in critically ill with co-existing electrolyte disturbances, the lack of account of magnesium homeostasis in studies depicting hypokalemia in substantial percentage of COVID-19 patients mandates elucidation.[1]

This elucidation becomes all the more relevant in the context of an ongoing COVID-related systemic inflammatory process being potentially compounded by an accompanying magnesium deficiency.[1] The description of a significant inverse-relationship between the dietary magnesium and the serum C-reactive protein (CRP) bears testimony to the aforementioned.[3] Furthermore, a systematic review and meta-analysis by Simental-Mendia et al. revealed a reduction of CRP levels attributable to magnesium supplementation in diverse inflammatory settings.[4] Remarkably, the depiction of an attenuated lipopolysaccharide-inflicted acute lung injury in mice treated with magnesium sulfate adds to the contextual significance amidst the pandemic.[5]

Hypomagnesemia can be an important underemphasized factor that might propel the severity progression of COVID-19. Therefore, serum magnesium merits meticulous attention wherein subsequent closely monitored supplementation can be pivotal in assisting the management of high-risk SARS-CoV-2 patients. Nevertheless, while administering this versatile drug, caution needs to be exercised in critically ill patients with altered renal clearance and those on concomitant neuromuscular blockers.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
  References Top

1.
Tang CF, Ding H, Jiao RQ, Wu XX, Kong LD. Possibility of magnesium supplementation for supportive treatment in patients with COVID-19. Eur J Pharmacol 2020;886:173546.  Back to cited text no. 1
    
2.
de Baaij JH, Hoenderop JG, Bindels RJ. Magnesium in man: Implications for health and disease. Physiol Rev 2015;95:1-46.  Back to cited text no. 2
    
3.
Dibaba DT, Xun P, He K. Dietary magnesium intake is inversely associated with serum C-reactive protein levels: Meta-analysis and systematic review. Eur J Clin Nutr 2014;68:510-6.  Back to cited text no. 3
    
4.
Simental-Mendia LE, Sahebkar A, Rodriguez-Moran M, Zambrano-Galvan G, Guerrero-Romero F. Effect of magnesium supplementation on plasma C-reactive protein concentrations: A systematic review and meta-analysis of randomized controlled trials. Curr Pharm Des 2017;23:4678-86.  Back to cited text no. 4
    
5.
Li W, Wu X, Yu J, Ma C, Zhuang P, Zeng J, et al. Magnesium sulfate attenuates lipopolysaccharides-induced acute lung injury in mice. Chin J Physiol 2019;62:203-9.  Back to cited text no. 5
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