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LETTER TO EDITOR
Year : 2022  |  Volume : 11  |  Issue : 2  |  Page : 88

Early severity predictors of snakebite envenomation in the southern region of Tunisia


Department of Family Medicine, Aminu Kano Teaching Hospital, PMB 3452 Kano, Nigeria; Africa-Middle East Section of the International Society on Toxinology

Date of Submission02-Oct-2022
Date of Decision27-Dec-2022
Date of Web Publication06-Apr-2022

Correspondence Address:
Godpower Chinedu Michael
Department of Family Medicine, Aminu Kano Teaching Hospital, PMB 3452 Kano, Nigeria; Africa-Middle East Section of the International Society on Toxinology

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2221-6189.342667

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How to cite this article:
Michael GC. Early severity predictors of snakebite envenomation in the southern region of Tunisia. J Acute Dis 2022;11:88

How to cite this URL:
Michael GC. Early severity predictors of snakebite envenomation in the southern region of Tunisia. J Acute Dis [serial online] 2022 [cited 2022 May 22];11:88. Available from: https://www.jadweb.org/text.asp?2022/11/2/88/342667

I read with interest the paper by Chakroun-Walha et al.[1]; it is a retrospective review of the medical records of patients with a history consistent with snakebite in a region of Tunisia. It found that leucocytosis within the first 24 h of emergency department arrival and prior tourniquet application were the independent predictors of severe snakebite envenoming. Although it is a baseline study, I am delighted that authors are at the forefront in showcasing snakebite envenoming, a neglected tropical disease, in North Africa. However, I have few observations:

First, I doubt the utility of leucocytosis in predicting severe envenoming in snakebite victims presenting at rural health centres of low and middle-income countries (who first receive most snakebite cases). This is because the resources for obtaining a complete blood count may be lacking. However, bedside 20 min whole blood clot test has been recommended to diagnose coagulopathy in this setting[2]; it does not require expensive equipment and training and ensures timely administration of anti-snake venom if indicated.

Second, in contrast, the use of inappropriate and harmful traditional methods like applying a tourniquet above the bite site remains an important predictor of undesirable outcomes. For instance, a prospective cohort study of patients admitted for snakebite in a rural health centre in northern Nigeria showed that the application of a tourniquet before admission was associated with higher anti-snake venom requirement, increased median cost of hospitalization, and longer hospital stays[3].

Therefore, the current study’s finding suggests that countries and global partners may need to continue investments in the World Health Organisation road map to prevent and control snakebite envenoming, which seeks to half snakebite mortality by 2030[4],[5],[6]. In addition, community engagement and empowerment efforts that involve community education against ineffective and harmful first aid methods for snakebites should be enhanced.

Conflict of interest statement

The author reports no conflict of interest.

 
  References Top

1.
Chakroun-Walha O, Issaoui F, Nasri A, Bradai H, Farroukh A, Karray R, et al. Early severity predictors of snakebite envenomation in the southern region of Tunisia: a multivariate analysis. J Acute Dis 2021; 10(2): 71-77.  Back to cited text no. 1
    
2.
Costa TND, Silva AMD, Souza RM, Monteiro WM, Bernarde PS. Efficacy of the 20-minute whole blood clotting test (WBCT20) in the diagnosis of coagulation alteration related to snakebites in a Western Brazilian Amazon hospital. Rev Soc Bras Med Trop 2021; 54: e00912021.  Back to cited text no. 2
    
3.
Michael GC, Thacher TD, Shehu MI. The effect of pre-hospital care for venomous snake bite on outcome in Nigeria. Trans R Soc Trop Med Hyg 2011; 105(2): 95-101.  Back to cited text no. 3
    
4.
World Health Organization. Snakebite envenoming: A strategy for prevention and control. [Online] Available from: WHO-CDS-NTD-NZD-2019.03-eng.pdf. [Accessed on 2rd October 2021].  Back to cited text no. 4
    
5.
Chippaux JP, Massougbodi A, Habib AG. The WHO Strategy for prevention and control of snakebite envenoming: a sub-Saharan Africa Plan. J Venom Anim Toxins and Trop Dis 2019; 25: e20190083.  Back to cited text no. 5
    
6.
Bhargava S, Kumari K, Sarin RK, Singh R. Call for accurate statistical data to solve snakebite conundrum in India. Asian Pac J Trop Med 2020; 13(4): 141-142.  Back to cited text no. 6
    




 

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