Kato–Katz thick smears
Sensitivity and Specificity of Multiple Kato-Katz Thick Smears and a Circulating Cathodic Antigen Test for Schistosoma mansoni Diagnosis Pre- and Post-repeated-Praziquantel Treatment
... six Kato-Katzs and one POC-CCA were the combined ‘gold standard’, baseline and one-week accuracies were relatively ...Four-weeks-post-praziquantel Kato-Katzs sensitivities were substantially lower, having ...
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Quality control in the diagnosis of Trichuris trichiura and Ascaris lumbricoides using the Kato Katz technique: experience from three randomised controlled trials
... positive Kato-Katz thick smears where several eggs were counted mistakenly ...false-negative Kato-Katz thick smears which contained a larger num- ber of eggs (Table ...
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Comparison of novel and standard diagnostic tools for the detection of Schistosoma mekongi infection in Lao People’s Democratic Republic and Cambodia
... egg detection in stool samples, a rapid POC assay for CCA detection in urine (POC-CCA) was developed for S. mansoni infection [16]. The POC-CCA assay is a visu- ally read field assay, which takes about 20 min to perform ...
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A cross sectional study on schistosomiasis and soil transmitted helminths in Mbita district, western Kenya using different copromicroscopic techniques
... The Kato-Katz technique, despite its known limi- tations, is routinely used and remains the standard diagnos- tic technique for ...schistosomiasis. Kato-Katz faces several challenges, among ...
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Assessing stool quantities generated by three specific Kato-Katz thick smear templates employed in different settings
... of Kato-Katz thick smears and, in par- ticular, the accurate counting of helminth eggs on a thick smear examined under a microscope [35, ...the Kato-Katz technique lacks ...
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Evaluation of circulating cathodic antigen (CCA) urine-tests for diagnosis of Schistosoma mansoni infection in Cameroon.
... nine Kato- Katz thick ...single Kato-Katz and its improvement with the increase of the number of thick smears ...repeating Kato-Katz allows a better ...
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Comparative cost assessment of the Kato Katz and FLOTAC techniques for soil transmitted helminth diagnosis in epidemiological surveys
... the Kato-Katz tech- nique performed on fresh stool samples or the FLOTAC technique using preserved stool samples, are consider- ...duplicate Kato-Katz thick smears were US$ ...
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Soil transmitted helminth infections and physical fitness in school aged Bulang children in southwest China: results from a cross sectional survey
... In terms of number of 20-m laps successfully com- pleted by the participants, both boys and girls infected with A. lumbricoides and T. trichiura achieved less laps than their non-infected counterparts (Table 4). This ...
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A new rapid diagnostic test for detection of anti Schistosoma mansoni and anti Schistosoma haematobium antibodies
... From each stool sample, duplicate Kato-Katz thick smears (using standard 41.7 mg templates) were prepared [28]. After a clearing time of at least 30 min, the slides were examined under a ...
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Accuracy of the Kato Katz method and formalin ether concentration technique for the diagnosis of Clonorchis sinensis, and implication for assessing drug efficacy
... used Kato-Katz method (dif- ferent sampling efforts) with FECT for the diagnosis of ...the Kato-Katz method was initially devel- oped for the diagnosis of intestinal schistosomiasis [22], it ...
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Understanding the relationship between egg and antigen based diagnostics of Schistosoma mansoni infection pre and post treatment in Uganda
... the Kato-Katz thick smear technique (KK) [6], which measures the number of parasite eggs in one (or more) ...mg smears taken from a stool ...
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Standardization of blood smears prepared in transparent acetate: an alternative method for the microscopic diagnosis of malaria
... blood smears prepared on acetate involves analysing the staining and morphology of para- sites and blood cells under the microscope compared with blood smears mounted on glass ...blood smears were ...
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Malaria Diagnostic Practices in U S Laboratories in 2017
... ABSTRACT In the United States, the gold standard for malaria diagnosis is mi- croscopic blood smear examination. Because malaria is not endemic in the United States, diagnostic capabilities may be limited, causing delays ...
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Determining post treatment surveillance criteria for predicting the elimination of Schistosoma mansoni transmission
... Methods: We employ a stochastic individual-based model of Schistosoma mansoni transmission and MDA impact to determine a prevalence threshold, i.e. prevalence of infection, which can be used to determine whether elimina- ...
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Real-time PCR diagnosis of Schistosoma japonicum in low transmission areas of China
... the Kato-Katz, FEA-SD and qPCR using log-transformed egg ...the Kato-Katz and FEA-SD were not calculated as they were performed only on samples positive by ...
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Field Evaluation of LED Fluorescence Microscopy for Demonstration of Trypanosoma brucei rhodesiense in Patient Blood
... DOI: 10.4236/mr.2019.71001 4 Microscopy Research sis solution (Qiagen) as previously described [6]. After the lysis procedure, the samples were centrifuged as described in [6], the resultant cell pellets each ...
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Concordance of the point-of-care circulating cathodic antigen test for the diagnosis of intestinal schistosomiasis in a low endemicity area
... In Tanzania and Kenya, the POC-CCA test was used to identify S. mansoni antigen in urines from children, showing higher prevalence rates when compared to the Kato-Katz technique [16]. In Uganda this fast ...
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Reassessment of asymptomatic carriers of Plasmodium spp in an endemic area with a very low incidence of malaria in extra Amazonian Brazil
... Fourteen individuals reported experiencing fever dur- ing the follow-up in at least one of the interviews. In all but one case, in which it subsided after a week, the fever lasted 1–4 days. None of those who presented ...
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Epidemiological study on Schistosoma mansoni infection in Sanja area, Amhara region, Ethiopia
... own. Kato-Katz and Sodium acetate-acetic acid-formalin (SAF) solution concentration methods were used to process the stool specimen for microscopic ...single Kato-Katz slide was prepared from ...
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Malaria in Sri Lanka: one year post tsunami
... Although with considerable spatial variation (Table 1), the malaria incidence in Sri Lanka shows a general down- ward trend starting around April 2000 (Figure 2). This makes it necessary to assess whether this trend has ...
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