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CLINICAL EPIDEMIOLOGY Table of Contents   
Year : 2010  |  Volume : 2  |  Issue : 2  |  Page : 91-94
Intestinal helminthiasis in children of Gurez valley of Jammu and Kashmir State, India


1 P. G. Department of Zoology, The University of Kashmir, Srinagar, Kashmir, India
2 Department of Gastroenterology, SK Institute of Medical Sciences, Srinagar, Kashmir, India

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Date of Web Publication30-Apr-2010
 

   Abstract 

Introduction : This paper is a part of the helminthological studies carried out on school-going children of the Kashmir Valley and deals with the status of intestinal helminths in the children of Gurez Valley and to assess epidemiological factors associated with the extent of endemic disease so that control measures are adopted. Material and Methods : Stool samples were collected from 352 children from Gurez Valley. The samples were processed using Kato-Katz thick smear technique, and microscopically examined for intestinal parasites. Results : Of the 352 children surveyed, 75.28% had one or more types of intestinal helminthes. Prevalence of Ascaris lumbricoides was highest (71.18%), followed by Trichuris trichiura (26.42%), Enterobius vermicularis (13.92) and Taenia saginata (5.39%). Conditions most frequently associated with infection included the water source, defecation site, personal hygiene, and the extent of maternal education. Conclusion : The study shows a relatively high prevalence of intestinal helminths and suggests an imperative for the implementation of control measures.

Keywords: Children, Gurez valley, Helminth infection, Prevalence rates

How to cite this article:
Wani SA, Ahmad F, Zargar SA, Amin A, Dar ZA, Dar PA. Intestinal helminthiasis in children of Gurez valley of Jammu and Kashmir State, India. J Global Infect Dis 2010;2:91-4

How to cite this URL:
Wani SA, Ahmad F, Zargar SA, Amin A, Dar ZA, Dar PA. Intestinal helminthiasis in children of Gurez valley of Jammu and Kashmir State, India. J Global Infect Dis [serial online] 2010 [cited 2019 Dec 7];2:91-4. Available from: http://www.jgid.org/text.asp?2010/2/2/91/62872



   Introduction Top


According to WHO, the level of helminth infection can be viewed as an index of a community's progress towards a desirable level of sanitation. [1] Poor hygienic living conditions give rise to helminth infections in children, with the prevalence of such infections being an excellent indicator of socio-economic status. [2] Many helminth parasites remain major contributors to morbidity in developing countries. Among the effects associated with these parasites are growth retardation, intestinal obstruction, hepatic and biliary diseases, impaired cognitive development, and nutritional effects such as iron deficiency anemia. [3] Intestinal parasites are transmitted through the contamination of water, soil, and food by feces, a direct consequence of poor hygienic and living conditions. [4]

According to a WHO estimate, globally there are 800-1,000 million cases of ascariasis, 700-900 million cases of trichiuriasis, 200 million cases of giardiasis, and 500 million cases of amoebiasis. [5] Among the intestinal parasitic infections, helminth infections are the most common on the Indian sub-continent. There are only a few hospital-based studies on the prevalence of intestinal parasites in Kashmir, [6],[7] which may not be a true indicator of the prevalence of gastrointestinal parasitic infestation since most of asymptomatic children may have been missed. This is a first attempt to know the status of intestinal helminthiasis in Gurez valley of Jammu and Kashmir State and was conducted from July 2008- October 2008.


   Material and Methods Top


Gurez Valley lies in the north of Kashmir between the Himalayan range of mountains under Indian administration. It is situated between 74 0 -30″ East longitude and 34 0 -23″ - 34 0 -41″ latitude. It is approached from Bandipore town through Razdan pass at an altitude of 11673 feet. Climate in Gurez is naturally divided into two equal phases of six months each. From May to October climate remains pleasant, while in the remaining six months climate is uncertain and regrous, marked with heavy snowfall. [8] Official meetings with the personnel from health services and schools, as well as parents and school children from the study sites, were carried out in order to explain the protocol of the study. This study was conducted in 3 middle schools of Dawar, Budugam and Kanzalwan localities of Gurez Valley. In total, 352 children between ages of 1-15 years (mean = 9.1±2.8 years) with no disabilities or those not receiving antiparasitic treatment were included in this study. Initially, 420 children were willing to participate voluntarily, but 68 were rejected during the study because they either had contaminated fecal samples or decided not to participate. Written consents were required from both parents in order for the children to participate. Children requiring medical assistance were properly treated or referred for medical attention. With a view of maintaining age stratification, the study population was divided into three age groups, i.e., 1-5 years, 6-10, and 11-15.

Collection of the socio-economic characteristics of the children's families was undertaken with a structured questionnaire. The interviews were administered face-to-face with mothers in children's schools. The level of education of the mothers (below or above 10 th class), sanitation facilities, type of drinking water (tap, well, or stream/pond water) and defecation site (open or modern sanitary latrine) were collected as proxy variables of socio-economic conditions. The children's ages were obtained through school records. Study participants were provided with a labeled clean stool container containing l0 ml of 10% formalin. Toilet tissue paper and a clean piece of stick were given to collect a fresh morning stool specimen on the next day. In addition, a prepared cellotape slide for the examination of Enterobius infection was also provided. Every child was instructed to bring his/her own stool, so that no mixing occurred. After collecting the stool specimens, they were processed immediately using simple smear and Kato-Katz thick smear techniques. Cellotape slides were directly observed under the microscope for the Enterobius eggs. All the parasites recovered were recorded and descriptively analyzed. Statistical analysis was carried out by χ2 test.


   Results Top


In Gurez Valley, out of 352 children surveyed, 265 (75.28%) were positive for intestinal helminths. Prevalence of Ascaris lumbricoides was 71.87%, followed by Trichuris trichiura (26.42%), Enterobius vermicularis (13.92%) and Taenia saginata (5.39%). Single species infection was seen in 38.63% of the infected children, whereas 36.64% were infected with multiple species of helminth parasites. The prevalence of infection peaked in the age group of 11-15 years (84.91%) followed by the age group of 6-10 years (81.70%) and age group of 0-5 years (50.54%) [P<0.05]. The differences in prevalence rates between male, female and rural urban children was insignificant (P>0.05). Water source, defecation site, personal hygiene and maternal education were significant risk factors in predicting the intestinal helminth infection (P<0.05) [Table 1].


   Discussion Top


The present study indicated a relatively high prevalence (75.28%) of intestinal parasites in the schoolchildren of Gurez Valley. Studies conducted on the frequency distribution of gastrointestinal helminths by Bundy et al. (1988) showed a high overall prevalence of 62% among the urban slum children of Malaysia. [9] Rodriguez et al. (2000) reported a high prevalence of 72% among the schoolchildren studying in a public institution in Maracaibo, Venezuela [10] and Legesse and Erko (2004) also noted a high prevalence of 88.2% among the schoolchildren in rural Ethiopia [11] The high prevalence in Gurez Valley is probably a consequence of a low standard of living, poor sanitation, lack of personal hygiene, traditional methods of agriculture, indiscriminate defecation, the use of human feces as fertilizers and other occupational work. Age-specific prevalence data show a relationship between age and prevalence of parasites. The highest prevalence, i.e. 84.91%, was seen in the 11-15 age group followed by 81.70% in the 6-10 age group, and 50.54% in the 1-5yr age group. Similar age-related prevalence variations among schoolchildren have been reported by other investigators. For example, Ibrahim (2002) in Gaza, Palestine, showed that most of the positive cases were clustered in the middle age group, followed by the 8- 9-years age groups. [12] Even though gender was not a significant risk factor for prevalence of intestinal parasitic infections, males were more likely to be infected (78.07%) than females (70.16%). This finding can be partially explained by the difference in gender behavior. Males in their early age are likely to acquire work responsibilities in outdoor environments and girls are likely to commence duties indoors because of social and religious restrictions.

The outdoor environment, i.e. farmlands or playing fields, are a common place for defecation by males during working or playing hours and, therefore, contamination of soil in these areas would constitute a significant risk for parasite transmission. Singh et al. (1984) reported similar results in their study of a rural community in Varanasi, India, where in males exhibited a higher prevalence of intestinal parasitism than females. [13] A study conducted by Ibrahim (2002) on the prevalence of parasites among schoolchildren in Gaza, Palestine, likewise showed a significantly higher prevalence of infection among males compared to females. [12] Children who sourced drinking water from rivers or streams and wells were found to harbor a greater prevalence of infection than those who had access to tap water. This pattern of infection has been confirmed in various studies the world over. [14],[15]

Curtis et al. (1995) demonstrated that mothers from poor communities in Burkina-faso, Africa, with access to tap water in the yard, were more likely to use safe hygiene practices than mothers using wells in the yard. [16] It is possible that poor hygiene practices associated with access to water is highly probable risk factor for increased parasitic infection among children. It is also evident from the present study that children with better personal hygiene had a lower prevalence of intestinal parasitic infections than those living in less hygienic conditions (P<0.01). In our study, it was also found that maternal education was a significant risk factor for the prevalence of infection, i.e., prevalence of infection decreases as the level of maternal education increases. Apparently, this factor extensively contributes to controlling risk factors for intestinal infections. Maternal education has been found to be the most important risk factor for parasitism in other studies as well. [17],[18]


   Conclusion Top


The present study reveals that intestinal helminths are abundant among schoolchildren of Gurez valley. This situation strongly calls for the institution of control measures, including treatment of infected individuals, improvement of sanitation practices, provision of clean water and further studies on the abundance of intestinal protozoan infections in the children of Gurez valley. The impact of each measure would be maximized through a health education program directed at schoolchildren and their mothers in particular, and to communities in general.

 
   References Top

1.WHO. Intestinal protozoan and helminth infections: Report of a WHO scientific group. WHO Tech Rep Ser 666. Geneva, Switzerland: 1981.  Back to cited text no. 1      
2.Schulz S, Kroeger A. Soil contamination with Ascaris lumbricoides eggs as an indicator of environmental hygiene in urban areas of northeast Brazil. Am J Trop Med Hyg 1992;95:95-103.  Back to cited text no. 2      
3.Ramdath DD, Simeon DT, Wong MS, Grantham-McGregor SM. Iron status of school children with varying intensities of Trichuris trichiura infection. Parasitol 1995;110:347-51.  Back to cited text no. 3      
4.Gamboa MI, Basualdo JA, Kozubsky L, Costas E, Cuetom Rua E, Lahitte HB. Prevalence of intestinal parasites with in three population groups in Laplata, Argentina. Euro J Epidem 1998;14:55-61.  Back to cited text no. 4      
5.WHO. Prevention and control of intestinal parasitic infections. WHO. Technical Report series 854. Geneva, Switzerland: 1997.  Back to cited text no. 5      
6.Khuroo MS. Ascariasis. Gastroenterol Clin North Am 1996;25:553-77.  Back to cited text no. 6  [PUBMED]    
7.Ahmed B, Bhatti G, Thokar MA, Malla N. Human toxocariasis and ascariasis: concomitant parasitism in Srinagar, Kashmir, India. Indian J Pathol Microbiol 2002;45:315-8.   Back to cited text no. 7      
8.Gupta OP. Jammu and Kashmir general knowledge. New Delhi, India: Ramesh Publishing House; 2006.   Back to cited text no. 8      
9.Bundy DA, Kan SP, Rose R. Age related prevalence, intensity and frequency distribution of gastro-intestinal helminths in urban slum children from Kuala Lumpur, Malaysia. Trans R Soc Trop Med Hyg 1988;82:289-94.   Back to cited text no. 9  [PUBMED]    
10.Rodriguez ZR, Lozano CG, Diaz I, Cheng R, Rucson G. Intestinal parasites in schoolchildren at a public institution in Maracaibo municipality, Venezuela. Invest Clin 2000;41:37-57.   Back to cited text no. 10      
11.Legesse M, Erko B. Prevalence of intestinal parasites among school children in south east of Lake Longano, Ethopia. Europ J Health Develop 2004;18:116-20.  Back to cited text no. 11      
12.Ibrahim AH. Prevalence of intestinal parasites among school children in Dier-El-Balah town in Gaza, Strip, Palestine. Ann Saudi Med 2002;22:273-5.  Back to cited text no. 12      
13.Singh DS, Hotchendani RK, Kumar S, Seecatt JS, Srivastava PK, Udupa KN. Prevalence and pattern of intestinal parasitism, a rural community of Varanasi. Indian J Prev Soc Med 1984;15:1-8.  Back to cited text no. 13      
14.Norhayati M, Oothuman P, Fatmah MS. Some risk factors of Ascaris and Trichuris infection in Malaysian aborigine (Orang asli) children. Med J Mal 1998;53:401-7.  Back to cited text no. 14      
15.Narain K, Raj guru SK, Mahanta J. Prevalence of Trichuris trichiura in relation to socio-economic and behavioral determinants of exposure to infection in rural Assam. Indian J Med Res 2000;112:140-6.  Back to cited text no. 15      
16.Curtis V, Kanki B, Meretens T, Traore E, Diallo I, Tall F, et al. Putties, pits and pipes; explaining hygiene behaviour in Burkina-faso. Soc Sci Med 1995;41:383-93.  Back to cited text no. 16      
17.Toma A, Miyagi I, Kimimura K, Tokuyama Y, Hasegawa H, Selomo M, et al. Questionnaire survey and prevalence of helminthic infection in Baru, Sulawes, Indonesia. South Asian J Trop Med Public Heal 1999;30:68-77.  Back to cited text no. 17      
18.Phiri K, Whitty CJ, Graham SM, Ssembatya-lule G. Urban/rural differences in prevalence and risk factors for intestinal helminth infections in Southern Malawi. Ann Trop Med Parasitol 2000;94:381-7.  Back to cited text no. 18      

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Correspondence Address:
Showkat Ahmad Wani
P. G. Department of Zoology, The University of Kashmir, Srinagar, Kashmir
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0974-777X.62872

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