ArticleBMC public health2018
Comparing the performance of circulating cathodic antigen and Kato-Katz techniques in evaluating Schistosoma mansoni infection in areas with low prevalence in selected counties of Kenya: a cross-sectional study.
Article in BMC public health, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
28 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Accuracy of Diagnostic Tests for DetectingBioMed research international · 2023Pooled it
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- Comparative evaluation of Sm1-7-qPCR systems incorporated with Maxwell kit-based and NaOH-based DNA extraction methods for the detection of Schistosoma mansoni infection.Infectious diseases of poverty · 2026Article
- Article
- Accuracy and precision of dried urine spot method for the detection of Schistosoma mansoni circulating cathodic antigens in resource-limited settings.Infectious diseases of poverty · 2024Article
- Evaluation of the epidemiological situation of intestinal schistosomiasis using the POC-CCA parasite antigen test and the Kato-Katz egg count test in school-age children in endemic villages in western Côte d'Ivoire.Parasite (Paris, France) · 2024Article
- Evaluation of the Urine POC-CCA Test Accuracy in the Detection ofJournal of tropical medicine · 2024Review
- Reproducibility matters: intra- and inter-sample variation of the point-of-care circulating cathodic antigen test in twoPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023Article
- Test-Treat-Track-Test-Treat Strategy for Control of Schistosomiasis in Two Low-Prevalence Villages in Northwestern Tanzania.The American journal of tropical medicine and hygiene · 2023Article
- Accuracy Study of Kato-Katz and Helmintex Methods for Diagnosis of Schistosomiasis Mansoni in a Moderate Endemicity Area in Sergipe, Northeastern Brazil.Diagnostics (Basel, Switzerland) · 2023Article
- Infection with soil-transmitted helminths and their impact on coinfections.Frontiers in parasitology · 2023Review
- The Indispensability of Snail Control for Accelerating Schistosomiasis Elimination: Evidence from Zanzibar.Tropical medicine and infectious disease · 2022Article
- High prevalence of Schistosoma mansoni infection and stunting among school age children in communities along the Albert-Nile, Northern Uganda: A cross sectional study.PLoS neglected tropical diseases · 2022Article
- Prevalence of Schistosoma mono- and co-infections with multiple common parasites and associated risk factors and morbidity profile among adults in the Taabo health and demographic surveillance system, South-Central Côte d'Ivoire.Infectious diseases of poverty · 2022Article
- Reliability of point-of-care circulating cathodic antigen assay for diagnosing schistosomiasis mansoni in urine samples from an endemic area of Brazil after one year of storage at -20 degrees Celsius.Revista da Sociedade Brasileira de Medicina Tropical · 2022Article
- Epidemiology of Schistosoma mansoni infection in Ituri Province, north-eastern Democratic Republic of the Congo.PLoS neglected tropical diseases · 2021Article
- Evaluation of the Point-of-Care Circulating Cathodic Antigen Assay for Monitoring Mass Drug Administration in a Schistosoma mansoni Control Program in Western Kenya.The American journal of tropical medicine and hygiene · 2021Article
- A study on positive school children as indicators of schistosomiasis status in their families.Journal of parasitic diseases : official organ of the Indian Society for Parasitology · 2021Article
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Abstract
backgroundKato-Katz technique has been the mainstay test in Schistosoma mansoni diagnosis in endemic areas. However, recent studies have documented its poor sensitivity in evaluating Schistosoma mansoni infection especially in areas with lower rates of transmission. It's the primary diagnostic tool in monitoring impact of the Kenya national school based deworming program on infection transmission, but there is need to consider a more sensitive technique as the prevalence reduces. Therefore, this study explored the relationship between results of the stool-based Kato-Katz technique with urine-based point-of-care circulating cathodic antigen (POC-CCA) test in view to inform decision-making by the program in changing from Kato-Katz to POC-CCA test.
methodsWe used two cross-sectional surveys conducted pre- and post- mass drug administration (MDA) using praziquantel in a representative random sample of children from 18 schools across 11 counties. A total of 1944 children were randomly sampled for the study. Stool and urine samples were tested for S. mansoni infection using Kato-Katz and POC-CCA methods, respectively. S. mansoni prevalence using each technique was calculated and 95% confidence intervals obtained using binomial regression model. Specificity (Sp) and sensitivity (Sn) were determined using 2 × 2 contingency tables and compared using the McNemar's chi-square test.
resultsA total of 1899 and 1878 children were surveyed at pre- and post-treatment respectively. S. mansoni infection prevalence was 26.5 and 21.4% during pre- and post-treatment respectively using POC-CCA test, and 4.9 and 1.5% for pre- and post-treatment respectively using Kato-Katz technique. Taking POC-CCA as the gold standard, Kato-Katz was found to have significantly lower sensitivity both at pre- and post-treatment, Sn = 12.5% and Sn = 5.2% respectively, McNemar test χ
conclusionsResults showed POC-CCA technique as an effective, sensitive and accurate screening tool for Schistosoma mansoni infection in areas of low prevalence. It was up to 14-fold accurate than Kato-Katz which had extremely inadequate sensitivity. We recommend usage of POC-CCA alongside Kato-Katz examinations by Schistosomiasis control programs in low prevalence areas.
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