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https://www.readbyqxmd.com/read/29563717/head-lice-among-governmental-primary-school-students-in-southern-jordan-prevalence-and-risk-factors
#1
Abdullah Mousa Khamaiseh
Background: Head lice, a common social and health problem among all age groups, is especially widespread among school-aged children. Aims: This study aimed to assess the prevalence of pediculosis capitis among governmental primary school students in Southern Jordan and its related risk factors. Settings and Design: A sample of 500 primary schools students aged 6-12 from two male and two female public primary schools in four educational directorates were selected randomly in this cross-sectional study...
January 2018: Journal of Global Infectious Diseases
https://www.readbyqxmd.com/read/29522208/insights-about-head-lice-transmission-from-field-data-and-mathematical-modeling
#2
Ariel Ceferino Toloza, Fabiana Laguna María, Isabel Ortega-Insaurralde, Claudia Vassena, Sebastián Risau-Gusman
Head lice infest millions of school-age children every year, both in developed and developing countries. However, little is known about the number of lice transferred among children during school activities, because direct methods to study this are almost impossible to implement. This issue has been addressed following an indirect method, which consist in collecting data of real infestation from several children groups and using a mathematical model of lice colonies to infer how the infestation observed might have evolved...
February 22, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29365156/response-of-pediculus-humanus-capitis-phthiraptera-pediculidae-to-volatiles-of-whole-and-individual-components-of-the-human-scalp
#3
F G Galassi, G Fronza, A C Toloza, M I Picollo, P González-Audino
The head louse Pediculus humanus capitis (De Geer) (Phthiraptera: Pediculidae) is a cosmopolitan human ectoparasite causing pediculosis, one of the most common arthropod parasitic conditions of humans. The mechanisms and/or chemicals involved in host environment recognition by head lice are still unknown. In this study, we evaluated the response of head lice to volatiles that emanate from the human scalp. In addition, we identified the volatile components of the odor and evaluated the attractive or repellent activity of their pure main components...
January 20, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29194776/endosymbiosis-and-its-significance-in-dermatology
#4
REVIEW
K Kubiak, H Sielawa, W Chen, E Dzika
Proposed at the beginning of the twentieth century to explain the origin of eukaryotic organelles from prokaryotes, endosymbiosis is now medically defined by various interaction patterns between microorganisms and their residing hosts, best exemplified by the bacterial endosymbiont Wolbachia identified in arthropods and filarial nematodes, which can influence normal development, reproduction, survival and transmission of the hosts. Based on the transmission modes, vertical or horizontal, and the function of the endosymbionts, the host-symbiont dependence can be divided into primary or secondary...
March 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29026800/pediculosis-in-school-sitting-what-is-the-role-of-school-nurses
#5
Mohammed Albashtawy
No abstract text is available yet for this article.
September 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28968010/-pediculus-capitis-in-schoolchildren-of-the-urban-area-of-nuevo-le%C3%A3-n-m%C3%A3-xico-analyses-of-associated-factors
#6
Zinnia J Molina-Garza, Lucio Galaviz-Silva
INTRODUCTION: Pediculosis capitis is a recurring problem affecting 6 to 12 millions of children annually; there are no epidemiological data on this subject in the state of Nuevo León, and there are few in México. Therefore, new contributions are needed to design control strategies based on factors that may predispose to head lice infestation. OBJECTIVE: To determine the prevalence of Pediculus capitis in primary school children and to evaluate risk factors and individual or socioeconomic characteristics statistically associated with infestation...
September 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28877572/safety-efficacy-and-physicochemical-characterization-of-tinospora-crispa-ointment-a-community-based-formulation-against-pediculus-humanus-capitis
#7
Gerwin Louis Tapan Dela Torre, Kerstin Mariae Gonzales Ponsaran, Angelica Louise Dela Peña de Guzman, Richelle Ann Mallapre Manalo, Erna Custodio Arollado
The high prevalence of pediculosis capitis, commonly known as head lice (Pediculus humanus capitis) infestation, has led to the preparation of a community-based pediculicidal ointment, which is made of common household items and the extract of Tinospora crispa stem. The present study aimed to evaluate the safety, efficacy, and physicochemical characteristics of the T. crispa pediculicidal ointment. The physicochemical properties of the ointment were characterized, and safety was determined using acute dermal irritation test (OECD 404), while the efficacy was assessed using an in vitro pediculicidal assay...
August 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28839391/adult-onset-hair-casts-nits-which-do-not-itch
#8
Archana Jagdish Lokhande, Amita Sutaria
Hair casts (HCs) are thin, elongated, firm, whitish cylindrical concretions which ensheath the hair shaft and can be easily dislodge. They are of two different types: peripilar and parakeratotic keratin cast. Due to its clinical resemblance to pediculosis capitis, the entity is also known as pseudonits. Al though not unusual, false diagnoses are common, and thus, it is very important to correctly differentiate it from other similar conditions. We report here a case of HC involving scalp as well as body hair in association with androgenetic alopecia in a 22-year-old male patient...
April 2017: International Journal of Trichology
https://www.readbyqxmd.com/read/28803388/genetic-diversity-of-the-human-head-lice-pediculus-humanus-capitis-among-primary-school-girls-in-saudi-arabia-with-reference-to-their-prevalence
#9
Sarah A Al-Shahrani, Reem A Alajmi, Tahany H Ayaad, Mohammed A Al-Shahrani, El-Sayed H Shaurub
The present work aimed at investigating the genetic diversity of the head louse Pediculus humanus capitis (P. humanus capitis) among infested primary school girls at Bisha governorate, Saudi Arabia, based on the sequence of mitochondrial cytochrome b (mt cyt b) gene of 121 P. humanus capitis adults. Additionally, the prevalence of pediculosis capitis was surveyed. The results of sequencing were compared with the sequence of human head lice that are genotyped previously. Phylogenetic tree analysis showed the presence of 100% identity (n = 26) of louse specimens with clade A (prevalent worldwide) of the GenBank data base...
October 2017: Parasitology Research
https://www.readbyqxmd.com/read/28761849/a-rare-case-of-coinfection-with-white-piedra-and-pediculosis-capitis
#10
Anita Vijay, Savera Gupta, Sarita Rawat, Suresh K Jain
No abstract text is available yet for this article.
July 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28671945/are-scabies-and-impetigo-normalised-a-cross-sectional-comparative-study-of-hospitalised-children-in-northern-australia-assessing-clinical-recognition-and-treatment-of-skin-infections
#11
COMPARATIVE STUDY
Daniel K Yeoh, Aleisha Anderson, Gavin Cleland, Asha C Bowen
BACKGROUND: Complications of scabies and impetigo such as glomerulonephritis and invasive bacterial infection in Australian Aboriginal children remain significant problems and the overall global burden of disease attributable to these skin infections remains high despite the availability of effective treatment. We hypothesised that one factor contributing to this high burden is that skin infection is under-recognised and hence under-treated, in settings where prevalence is high. METHODS: We conducted a prospective, cross-sectional study to assess the burden of scabies, impetigo, tinea and pediculosis in children admitted to two regional Australian hospitals from October 2015 to January 2016...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28607642/impact-of-theory-based-educational-intervention-on-explaining-preventive-pediculosis-infestation-behavior-among-primary-school-students
#12
Robab Sharifat, Hashem Mohamadian, Maria Cheragi, Amal Saki Malehi
BACKGROUND: Despite the fact that improved health, social, and economic situations have significantly affected the reduction of its infestation, pediculosis is still spreading worldwide. AIM: This study is conducted to evaluate the explanatory power of health belief model constructs in adoption of preventive pediculosis infestation behavior in female primary school students. METHODS: This study involves two stages. First, a cross-sectional study was conducted...
April 2017: Electronic Physician
https://www.readbyqxmd.com/read/28606320/lice-induced-immuno-oxidative-wreckage-of-goats
#13
Y Ajith, U Dimri, Shanker K Singh, A Gopalakrishnan, Gopinath Devi, M R Verma, Vivek Joshi, Shahjahan Alam
The present study aimed to evaluate the immuno-oxidative patho-biology of lice infestation in goats. Sixty goats were divided into five groups; sucking lice (Linognathus africanus) infested (Group 1, n=12), chewing lice (Bovicola caprae) infested-mild (Group 2, n=12), chewing lice (B. caprae) infested-moderate (Group 3, n=12), chewing lice (B. caprae) infested-severe (Group 4, n=12) and healthy control (Group 5, n=12). To assess the pathological changes, markers of oxidative stress (lipid peroxidation-LPO, reduced glutathione-GSH, superoxide dismutase-SOD, Catalase-CAT and total antioxidant capacity-TAC), the markers of immune status (Tumour necrosis factor alpha- TNF-α, Interleukin-10- IL-10, Transforming growth factor beta 1- TGF-β1, ratios of TNF-α/IL-10 and TNF-α/TGF-β1) and hemato-biochemical status were evaluated...
August 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28549171/identification-of-novel-voltage-gated-sodium-channel-mutations-in-human-head-and-body-lice-phthiraptera-pediculidae
#14
Samira Firooziyan, Ali Sadaghianifar, Behrooz Taghilou, Hossein Galavani, Eslam Ghaffari, Saber Gholizadeh
In recent years, the increase of head louse infestation in Iran (7.4%) and especially in West-Azerbaijan Province (248%) has raised the hypothesis of insecticide resistance development. There are different mechanisms of resistance to various groups of insecticides, and knockdown resistance (kdr) is a prominent mechanism of resistance to pyrethroids, an insecticide group which is used conventionally for pediculosis control. For detection of kdr-type well-known amino acid substitutions (M815I-T917I-L920F) and additional sodium channel mutations potentially associated with kdr resistance in head and body lice, louse populations were collected from West-Azerbaijan and Zanjan Provinces of Iran...
September 1, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28542660/-trichomycosis-trichobacteriosis-capitis-in-an-infant-microbiological-dermoscopic-and-ultrastructural-features
#15
Alexandro Bonifaz, Ixchel Ramírez-Ricarte, Alejandra Rodríguez-Leviz, Marco A Hernández, Carlos Mena, Adriana Valencia
Trichomycosis is a superficial infection caused by Corynebacterium flavescens, which regularly affects axillary, and to a a lesser extent, pubic, scrotal and intergluteal, and exceptionally, head hairs or trichomycosis capitis (TC). This condition is characterised by the formation of bacterial nodules. Clinically, it can be confused with white piedra or pediculosis. The diagnosis is made by microscopic and dermoscopic observation and confirmed by culture. OBJECTIVE: To present a case of TC in an infant and illustrate the microscopic, dermoscopic, and ultrastructural characteristics...
April 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28492837/topical-mercurials-for-the-treatment-of-pediculosis
#16
Justin D Arnold
No abstract text is available yet for this article.
May 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28469858/case-report-a-new-method-for-treatment-of-permethrin-resistant-head-lice
#17
Farhad Jahangiri
Head lice (Pediculus humanus capitis) infestation is an important disease worldwide, especially in children under 11 years old. Permethrin is the most common insecticide for treatment of human pediculosis, but nowadays resistance to permethrin and other pyrethroids has caused many treatment failures. The second treatment of choice is malathion.
May 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28417384/-pediculosis-capitis-an-update
#18
REVIEW
Hermann Feldmeier
No abstract text is available yet for this article.
April 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28399311/molecular-markers-of-pesticide-resistance-and-pathogens-in-human-head-lice-phthiraptera-pediculidae-from-rural-georgia-usa
#19
Marina E Eremeeva, Danielle Capps, Emmanuel B Winful, Shamta S Warang, Sarah E Braswell, Nikolay K Tokarevich, Denise L Bonilla, Lance A Durden
Although the head louse, Pediculus humanus capitis De Geer, and body louse, Pediculus humanus humanus L., both have a worldwide distribution, the occurrence of head louse pediculosis appears to be more prevalent in modern societies despite systematic use of various pediculicides. This study tested head lice collected in rural Georgia and body lice collected in Russia for the prevalence of a kdr-biomarker that is associated with permethrin resistance. This study also screened lice for the presence of DNA from Bartonella quintana and Acinetobacter species...
July 1, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399223/first-detection-of-the-kdr-mutation-t929i-in-head-lice-phthiraptera-pediculidae-in-schoolchildren-of-the-metropolitan-area-of-nuevo-leon-and-yucatan-mexico
#20
Gustavo Ponce-Garcia, Karina Villanueva-Segura, Gerardo Trujillo-Rodriguez, Iram P Rodriguez-Sanchez, Beatriz Lopez-Monroy, Adriana E Flores
The head louse Pediculus humanus capitis (De Geer) is a hematophagous ectoparasite that inhabits the human scalp. Infestations by this insect are commonly known as pediculosis, which is more common in younger groups. These infestations are asymptomatic; however, skin irritation from scratching occasionally may cause secondary bacterial infections. In recent years, the prevalence of pediculosis has increased in children; this increase has been attributed to louse resistance to the insecticides used as a control measure for infestation...
July 1, 2017: Journal of Medical Entomology
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