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LETTER TO THE EDITOR
Year : 2020  |  Volume : 33  |  Issue : 3  |  Page : 1108

Seroprevalence of Helicobacter pylori infection among school children in Al Qulubia governorate


Department of Paediatrics, Al-Kindy College of Medicine, University of Baghdad, Baghdad, Iraq

Date of Submission28-Feb-2019
Date of Decision11-Mar-2019
Date of Acceptance25-Mar-2019
Date of Web Publication30-Sep-2020

Correspondence Address:
Mahmood D Al-Mendalawi
PO Box 55302, Baghdad Post Office, Baghdad
Iraq
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/mmj.mmj_103_19

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How to cite this article:
Al-Mendalawi MD. Seroprevalence of Helicobacter pylori infection among school children in Al Qulubia governorate. Menoufia Med J 2020;33:1108

How to cite this URL:
Al-Mendalawi MD. Seroprevalence of Helicobacter pylori infection among school children in Al Qulubia governorate. Menoufia Med J [serial online] 2020 [cited 2020 Nov 26];33:1108. Available from: http://www.mmj.eg.net/text.asp?2020/33/3/1108/296646



Abstract

In their interesting study, Deeb et al. [1] estimated the seroprevalence of Helicobacter pylori infection and assessed its correlation with certain epidemiological and demographic variables among school children in Al Qulubia governorate, Egypt. On employing the enzyme-linked immunosorbent assay test, the authors found that the overall H. pylori seroprevalence was 44%, and the frequency of seropositive cases increased highly significantly with advance in age. They also found a highly significant difference between seropositive and seronegative cases considering the family income, socioeconomic status, occupational status of the parents, and educational status of the parents (P = 0.001). However, no significant differences between seropositive and seronegative cases were found considering the sex and water supply (P = 0.304) [1]. I assume that these results ought to be cautiously interpreted. This is based on the presence of the following methodological limitation related to diagnostic tool employed in the study. It is explicit that the confirmatory diagnosis of H. pylori infection is by endoscopic biopsy, followed by histopathological examination using hematoxylin and eosin stain or special stains such as Giemsa stain and Warthin–Starry stain. Special stains are more accurate than hematoxylin and eosin stain [2]. However, in developing countries with limited resources, noninvasive diagnostic tools are often employed, particularly in epidemiological studies and screening. For a particular noninvasive test to be employed, it must be easy to apply, not expensive, well tolerated, and has a high diagnostic precision. Among these noninvasive tests, serology and stool antigen test have gained ample consideration. The authors obviously mentioned in their study that 'the value of using immunoglobulin A or immunoglobulin M for H. pylori detection is controversial. However, neither was found to be an effective indicator in pediatric pylori infection' [1]. Despite that notion, they surprisingly employed the serology in the study methodology. It is worthy to mention that H. pylori stool antigen test is recently proved to be a reliable, more affordable, simpler to perform, and more tolerable method for the primary diagnosis of H. pylo ri infections in Egyptian children [3]. I assume that if the authors referred to that H. pylori stool antigen test rather than serology in the study methodology, more accurate results might be obtained. Despite the aforementioned limitation, the reported worryingly high H. pylori seroprevalence (44%) in the study [1] requires implementing strategic actions to contain further rise in the pediatric H. pylori seroprevalenec and counteract the related risk factors.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Deeb MM, Bahbah WA, Abou-Elela DH, Hessen MM. Seroprevalence of Helicobacter pylori infection among school children in Al Qulubia governorate. Menoufia Med J 2018; 31:963–969.  Back to cited text no. 1
    
2.
Best LM, Takwoingi Y, Siddique S, Selladurai A, Gandhi A, Low B, et al. Non-invasive diagnostic tests for Helicobacter pylori infection. Cochrane Database Syst Rev 2018; 3:CD012080.  Back to cited text no. 2
    
3.
El-Shabrawi M, El-Aziz NA, El-Adly TZ, Hassanin F, Eskander A, Abou-Zekri M, et al. Stool antigen detection versus 13C-urea breath test for non-invasive diagnosis of pediatric Helicobacter pylori infection in a limited resource setting. Arch Med Sci 2018; 14:69–73.  Back to cited text no. 3
    




 

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