Prevalência e intensidade da infestação por Pediculus humanus capitis em escolares de seis a onze anos

Catalá, Silvia; Carrizo, Lorena; Córdoba, Marina Gómez de Quero; Khairallah, Roxana; Moschella, Fabrizio; Bocca, Julio Nacif; Calvo, Ana Nieto; Torres, Judiht; Tutino, Rodrigo

doi:10.1590/s0037-86822004000600014

Cited by 13 publications

(8 citation statements)

References 6 publications

(7 reference statements)

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“…More girls than boys were affected, suggesting that pediculosis, more frequent in this age range and sex, may be an important predisposing factor for the prevalence of myiases in girls. These results are consistent with the findings of Catalá et al (2004). The elderly may, depending on the level of cognitive impairment, be similarly dependent.…”

Section: Discussionsupporting

confidence: 92%

Epidemiological study of myiases in the Hospital do Andaraí, Rio de Janeiro, including reference to an exotic etiological agent

Ferraz¹,

Almeida²,

Jesus³

et al. 2011

Neotrop. entomol.

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Myiases are infestations with dipteran larvae in both necrosed and living tissues, the food source of these insects. These illnesses occur in warm humid climates, and are most frequent in developing countries. We assessed the epidemiological aspects and the influence of climate on the occurrence of myiases and the bioagents in patients admitted to the federal Hospital do Andaraí in Rio de Janeiro from February 2007 to 2008. The influence of abiotic factors (temperature, humidity, and rainfall) on the incidence of myiases was investigated by using the Pearson's correlation test. Of the 40 patients studied, the prevalence of myiases was higher in adults, particularly in the 40 to 65 year-old (37.5%) African descent males (57.5%). Most of the injuries were caused by trauma (62.5%). Some patients made use of licit (50%) and illicit drugs (17.2%). The occurrence of myiases was not affected by the abiotic factors investigated. The cases reported here were treated in only one hospital, indicating that the disease is relatively common. The most frequent bioagent was Cochliomyia hominivorax (Coquerel), but Cochliomyia macellaria (Fabricius), Chrysomya albiceps (Wiedemann) and Dermatobia hominis (Wiedemann) (Diptera: Calliphoridae) were also detected causing myiases. Chrysomya albiceps is an exotic etiologic agent of myiases.

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Section: Discussionsupporting

confidence: 92%

Epidemiological study of myiases in the Hospital do Andaraí, Rio de Janeiro, including reference to an exotic etiological agent

Ferraz¹,

Almeida²,

Jesus³

et al. 2011

Neotrop. entomol.

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“…Undoubtedly, hair length in girls interferes with the cleanliness, the re-examination and the daily hairdo; however, there could be a hormonal and/or skin factor which could also produce a greater susceptibility to P. capitis in girls. Results obtained in a previous study 3 indicated that, in boys, prevalence declines with age, while, in girls, it remains high during the whole primary school period. Since boys' hair was short during all school period there must be another explanation for this decrease in prevalence.…”

Section: Discussionmentioning

confidence: 79%

Pediculus capitis infestation according to sex and social factors in Argentina

Catalá¹,

Junco²,

Vaporaky³

2005

Rev. Saúde Pública

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Pediculus capitis infestation according to sex and social factors in Argentina Abstract ObjectiveTo determine the intensity of Pediculus capitis infestation (abundance) among Argentinean schoolchildren. Children's sex and social stratum were analyzed as modifiers of the general prevalence and degree of parasitism. Methods The study included 1,370 schoolchildren (692 girls, 678 boys) from 26 schools of the province of La Rioja (21 public schools, five private schools). Classic prevalence was obtained as the percentage of children with nits and/or lice. Moreover, five degrees of parasitism were classified: 0) children with no signs of pediculosis; 0+) children with evidence of past infestation; 1) children with a recent infestation and low probability of active parasitism; 2) children with a recent infestation and high probability of active parasitism; 3) children with mobile lice (active pediculosis). ResultsThe general prevalence was 61.4% (girls: 79%; boys: 44%, p<0.001). Private schools showed lower prevalence than public schools (p=0.02), especially due to the low prevalence in boys. Fifty percent of children were classified in classes 0 and 0+, 22% in class 1; and 28% in grades 2 and 3. The proportion of children in grade 3 was higher in public schools than in private schools. There were significant sexual differences in the intensity of parasitism for grades 2 and 3, where girls' rates exceeded twice those of boys'. Conclusions Sex and social stratum are important modifiers of P. capitis general prevalence and degree of infestation. The classification of children by intensity of infestation allowed a more precise delimitation of this condition, which is especially important for disease surveillance and application of control measures. Resumo Objetivo Determinar a intensidade de infestação (abundância) de

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“…Nessa fase, tais agravos podem surgir repetidas vezes e assumir certo grau de gravidade, interferindo, muitas vezes, no crescimento físico e no desenvolvimento saudável das crianças (3)(4) . Dados mostram que em 1996 a pediculose afetava, na época, mais de 15% da população geral e mais de 30% da população infantil (5) . Outros dados, ainda mais alarmantes, apontam que nas favelas e comunidades rurais essa prevalência pode chegar a 40%, também alertando sobre a possibilidade de taxas mais altas em crianças (2) .…”

Section: Introductionunclassified

“…Os causadores desta enfermidade, comumente conhecidos como "piolhos", são insetos hematófagos, que se alimentam várias vezes ao dia, podem acometer o corpo (Pediculus humanus corporis), a região púbica (Pthirus pubis) e o couro cabeludo (Pediculus humanus capitis). Esse último é o que mais acomete as crianças, gerando intenso prurido devido à deposição de material fecal na pele, além de causar prejuízos à integridade cutânea, dermatites e possíveis infecções secundárias, podendo ainda prejudicar o desempenho escolar e a qualidade do sono das crianças (3,(5)(6) . A escabiose humana, outra ectoparasitose, tem uma prevalência estimada em cerca de 10% em comunidades carentes (2) .…”

Section: Introductionunclassified

Fatores de risco para problemas dermatológicos em crianças na primeira infância no ambiente familiar

Rodrigues

Carvalho²,

Moura³

et al. 2008

Cienc. Cuid. Saúde

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Prevalência e intensidade da infestação por Pediculus humanus capitis em escolares de seis a onze anos

Cited by 13 publications

References 6 publications

Epidemiological study of myiases in the Hospital do Andaraí, Rio de Janeiro, including reference to an exotic etiological agent

Epidemiological study of myiases in the Hospital do Andaraí, Rio de Janeiro, including reference to an exotic etiological agent

Pediculus capitis infestation according to sex and social factors in Argentina

Fatores de risco para problemas dermatológicos em crianças na primeira infância no ambiente familiar

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