Author | Inês, Elizabete de Jesus | |
Author | Souza, Joelma Nascimento de | |
Author | Santos, Renata C | |
Author | Souza, Eliane Silva de | |
Author | Santos, Fred Luciano Neves | |
Author | Silva, Mônica Lopes Sampaio | |
Author | Silva, Moacir Paranhos | |
Author | Teixeira, Márcia Cristina Aquino | |
Author | Soares, Neci Matos | |
Access date | 2019-05-06T17:00:31Z | |
Available date | 2019-05-06T17:00:31Z | |
Document date | 2011 | |
Citation | INÊS, Elizabete de Jesus et al. Efficacy of parasitological methods for the diagnosis of Strongyloides stercoralis and hookworm in faecal specimens. Acta Tropica, v. 120, p. 206-210, 2011. | pt_BR |
ISSN | 0001-706X | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/32952 | |
Description | Santos, Fred Luciano Neves. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil. “Documento produzido em parceria ou por autor vinculado à Fiocruz, mas não consta à informação no documento”. | pt_BR |
Sponsorship | Ministério da Saúde/Fundac¸ ão
de Amparo à Pesquisa do Estado da Bahia (PPSUS/FAPESB) and
Conselho Nacional de Desenvolvimento Científico e Tecnológico
(CNPq), Brazilian agencies. | pt_BR |
Language | eng | pt_BR |
Publisher | Elsevier | pt_BR |
Rights | open access | pt_BR |
Subject in Portuguese | Strongyloides stercoralis | pt_BR |
Subject in Portuguese | Hookworm | pt_BR |
Subject in Portuguese | Cultura em placa de ágar | pt_BR |
Subject in Portuguese | Diagnóstico | pt_BR |
Title | Efficacy of parasitological methods for the diagnosis of Strongyloides stercoralis and hookworm in faecal specimens | pt_BR |
Type | Article | pt_BR |
DOI | 10.1016/j.actatropica.2011.08.010 | |
Abstract | To compare the efficacy of stool examination for the detection of Strongyloides stercoralis and hookworm, a total of 634 stool samples from the routine laboratory service of the Pharmacia Faculty, Federal University of Bahia, Brazil, were examined by agar plate culture (APC), Baermann-Moraes and spontaneous sedimentation. The sensitivity of agar plate culture, calculated by combining results of all 3 methods, was 95% for S. stercoralis and 77.6% for hookwoorm. Moreover, APC had superior accuracy than Baermann-Moraes and spontaneous sedimentation for S. stercoralis and hookworm diagnosis, respectively. The S. stercoralis and hookworm positive samples from the laboratory routine, obtained after the previous analysis, along with those initially selected, were used to evaluate the concordance between microscopic examination and both the type of furrows left by larvae and the time for culture positivity using the APC method. Of 115 stool samples positive for S. stercoralis and 92 positive for hookworm, 110 (95.7%) and 89 (96.7%), respectively, had concordant results for furrows and morphological characteristics. The cumulative percentage of positivity increased to 94% by the third day of observation; at this time, only 19.6% of hookworm-positive samples had positive culture plates. Analyses of 74 S. stercoralis-positive stool samples stored at 4°C for 24, 48 and 72h showed the presence of larvae in 48.6%, 28.4% and 23% of samples, respectively when re-examined by the APC. As a definitive diagnosis of strongyloidiasis depends on the microscopic demonstration of parasites, increasing the sensitivity of the detection requires the use of different parasitological methods, including APC. | pt_BR |
Affilliation | Universidade Federal da Bahia. Faculdade de Farmacia. Departamento de Análises Clínicas e Toxicológicas. Salvador, BA, Brasil. | pt_BR |
Affilliation | Universidade Federal da Bahia. Faculdade de Farmacia. Departamento de Análises Clínicas e Toxicológicas. Salvador, BA, Brasil. | pt_BR |
Affilliation | Universidade Federal da Bahia. Faculdade de Farmacia. Departamento de Análises Clínicas e Toxicológicas. Salvador, BA, Brasil. | pt_BR |
Affilliation | Universidade Federal da Bahia. Faculdade de Farmacia. Departamento de Análises Clínicas e Toxicológicas. Salvador, BA, Brasil. | pt_BR |
Affilliation | Universidade Federal da Bahia. Faculdade de Farmacia. Departamento de Análises Clínicas e Toxicológicas. Salvador, BA, Brasil. | pt_BR |
Affilliation | Universidade Federal da Bahia. Faculdade de Farmacia. Departamento de Análises Clínicas e Toxicológicas. Salvador, BA, Brasil. | pt_BR |
Affilliation | Universidade Federal da Bahia. Instituto de Ciências da Saúde. Salvador, BA, Brasil. | pt_BR |
Affilliation | Universidade Federal da Bahia. Faculdade de Farmacia. Departamento de Análises Clínicas e Toxicológicas. Salvador, BA, Brasil. | pt_BR |
Affilliation | Universidade Federal da Bahia. Faculdade de Farmacia. Departamento de Análises Clínicas e Toxicológicas. Salvador, BA, Brasil. | pt_BR |
Subject | Strongyloides stercoralis | pt_BR |
Subject | Hookworm | pt_BR |
Subject | Agar plate culture | pt_BR |
Subject | Diagnosis | pt_BR |