Tags

Type your tag names separated by a space and hit enter

Vaccuuming method as a successful strategy in the diagnosis of active infestation by Pediculus humanus capitis.
Rev Inst Med Trop Sao Paulo. 2020; 62:e7.RI

Abstract

Most human epidemiological and clinical studies use visual inspection of the hair and scalp to diagnose Pediculus humanus capitis , however this method has low sensitivity to diagnose active infestations (presence of nymphs and adult lice). Vacuuming the hair and scalp has been used as a diagnostic method, but there are no previous data comparing its effectiveness with visual inspection. The aim of this study was to determine the prevalence of overall infestation (nits and trophic stages), of active infestation by Pediculus humanus capitis , and to evaluate the effectiveness of vacuuming in comparison with the visual inspection. Visual inspection was performed by three examiners and vacuuming of the scalp by one investigator, with an adapted vacuum cleaner. A total of 166 children aged 4 to 10 years old were randomly selected from public schools in Southern Brazil. Considering the positive results obtained by both methods, the prevalence of overall infestation was 63.3%, whereas active infestation was 18.7%. The visual inspection was more effective on diagnosing overall infestation, however, its effectiveness to detect active infestation was lower, ranging from 0.6% (RR=3%, p<0.001) to 6.6% (RR=35%, p=0.001), depending on the number of examiners. The effectiveness of vacuuming to diagnose active infestation was higher than the one of visual inspection, with a prevalence rate of 16.3% (RR=87%, p=0.332). As presented in our study, the vacuuming method was 2.74 to 7.87 times most likely to detect active infestation, thus it could be adopted as a more accurate method to diagnose active pediculosis.

Links

PMC Free PDF

Authors+Show Affiliations

Lustosa BPR
Universidade Federal do Paraná, Departamento de Patologia Básica, Curitiba, Paraná, Brazil.
Haidamak J
Universidade Federal do Paraná, Departamento de Patologia Básica, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Curitiba, Paraná, Brazil.
Oishi CY
Universidade Federal do Paraná, Departamento de Patologia Básica, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Curitiba, Paraná, Brazil.
Souza AB
Universidade Federal do Paraná, Departamento de Patologia Básica, Curitiba, Paraná, Brazil. Universidade Federal Fluminense, Instituto Biomédico, Programa de Pós-Graduação em Microbiologia e Parasitologia Aplicada, Niterói, Rio de Janeiro, Brazil.
Lima BJFS
Universidade Federal do Paraná, Departamento de Patologia Básica, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Curitiba, Paraná, Brazil.
Reifur L
Universidade Federal do Paraná, Departamento de Patologia Básica, Curitiba, Paraná, Brazil.
Shimada MK
Universidade Federal do Paraná, Departamento de Patologia Básica, Curitiba, Paraná, Brazil.
Vicente VA
Universidade Federal do Paraná, Departamento de Patologia Básica, Curitiba, Paraná, Brazil. Universidade Federal do Paraná, Departamento de Patologia Básica, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Curitiba, Paraná, Brazil.
Aleixandre MAV
Universitat de València, Facultat de Farmàcia, Departamento de Farmàcia i Tecnologia Farmacèutica i Parasitologia, València, Spain.
Klisiowicz DDR
Universidade Federal do Paraná, Departamento de Patologia Básica, Curitiba, Paraná, Brazil. Universidade Federal do Paraná, Departamento de Patologia Básica, Programa de Pós-Graduação em Microbiologia, Parasitologia e Patologia, Curitiba, Paraná, Brazil.

MeSH

AnimalsBrazilChildChild, PreschoolFemaleHumansLice InfestationsMaleObserver VariationPediculusPhysical ExaminationPrevalence

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32049258

Citation

Lustosa, Bruno Paulo Rodrigues, et al. "Vaccuuming Method as a Successful Strategy in the Diagnosis of Active Infestation By Pediculus Humanus Capitis." Revista Do Instituto De Medicina Tropical De Sao Paulo, vol. 62, 2020, pp. e7.
Lustosa BPR, Haidamak J, Oishi CY, et al. Vaccuuming method as a successful strategy in the diagnosis of active infestation by Pediculus humanus capitis. Rev Inst Med Trop Sao Paulo. 2020;62:e7.
Lustosa, B. P. R., Haidamak, J., Oishi, C. Y., Souza, A. B., Lima, B. J. F. S., Reifur, L., Shimada, M. K., Vicente, V. A., Aleixandre, M. A. V., & Klisiowicz, D. D. R. (2020). Vaccuuming method as a successful strategy in the diagnosis of active infestation by Pediculus humanus capitis. Revista Do Instituto De Medicina Tropical De Sao Paulo, 62, e7. https://doi.org/10.1590/S1678-9946202062007
Lustosa BPR, et al. Vaccuuming Method as a Successful Strategy in the Diagnosis of Active Infestation By Pediculus Humanus Capitis. Rev Inst Med Trop Sao Paulo. 2020;62:e7. PubMed PMID: 32049258.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Vaccuuming method as a successful strategy in the diagnosis of active infestation by Pediculus humanus capitis. AU - Lustosa,Bruno Paulo Rodrigues, AU - Haidamak,Juciliane, AU - Oishi,Camila Yumi, AU - Souza,Ariela Both de, AU - Lima,Bruna Jacomel Favoreto de Souza, AU - Reifur,Larissa, AU - Shimada,Márcia Kiyoe, AU - Vicente,Vânia Aparecida, AU - Aleixandre,Maria Adela Valero, AU - Klisiowicz,Débora do Rocio, Y1 - 2020/02/07/ PY - 2019/08/26/received PY - 2019/12/17/accepted PY - 2020/2/13/entrez PY - 2020/2/13/pubmed PY - 2020/4/11/medline SP - e7 EP - e7 JF - Revista do Instituto de Medicina Tropical de Sao Paulo JO - Rev Inst Med Trop Sao Paulo VL - 62 N2 - Most human epidemiological and clinical studies use visual inspection of the hair and scalp to diagnose Pediculus humanus capitis , however this method has low sensitivity to diagnose active infestations (presence of nymphs and adult lice). Vacuuming the hair and scalp has been used as a diagnostic method, but there are no previous data comparing its effectiveness with visual inspection. The aim of this study was to determine the prevalence of overall infestation (nits and trophic stages), of active infestation by Pediculus humanus capitis , and to evaluate the effectiveness of vacuuming in comparison with the visual inspection. Visual inspection was performed by three examiners and vacuuming of the scalp by one investigator, with an adapted vacuum cleaner. A total of 166 children aged 4 to 10 years old were randomly selected from public schools in Southern Brazil. Considering the positive results obtained by both methods, the prevalence of overall infestation was 63.3%, whereas active infestation was 18.7%. The visual inspection was more effective on diagnosing overall infestation, however, its effectiveness to detect active infestation was lower, ranging from 0.6% (RR=3%, p<0.001) to 6.6% (RR=35%, p=0.001), depending on the number of examiners. The effectiveness of vacuuming to diagnose active infestation was higher than the one of visual inspection, with a prevalence rate of 16.3% (RR=87%, p=0.332). As presented in our study, the vacuuming method was 2.74 to 7.87 times most likely to detect active infestation, thus it could be adopted as a more accurate method to diagnose active pediculosis. SN - 1678-9946 UR - https://www.unboundmedicine.com/medline/citation/32049258/Vaccuuming_method_as_a_successful_strategy_in_the_diagnosis_of_active_infestation_by_Pediculus_humanus_capitis_ DB - PRIME DP - Unbound Medicine ER -