Prevalencia de enterobiasis y factores socioambientales en una zona rural de Ecuador / Prevalence of enterobiasis and socio-environmental factors in a rural area from Ecuador

La gestión de los residuos sanitarios requiere atención especial y todos los equipos sanitarios deben participar en la manipulación de los residuos. Se presta menos atención a la gestión de residuos sanitarios en países en vías de desarrollo y no hay evidencia sobre las prácticas de gestión de residuos sanitarios en algunas instituciones sanitarias. Este estudio se realizó para evaluar las prácticas de gestión de residuos sanitarios y los factores asociados en tres hospitales de Perú. Es un estudio descriptivo, cuantitativo y de corte transversal basado en tres establecimientos de salud. Los datos se recopilaron mediante cuestionarios y listas de verificación de observación. El (66,67%) de los trabajadores conocían sobre el manejo de los desechos biológicos. La mayoría conocía los riesgos asociados con el manejo de los mismos (95,91%). Los participantes tenían el conocimiento de que pueden evitarse las infecciones. Nueve de cada diez de los trabajadores realizaron por lo menos dos capacitaciones en la gestión del manejo de los desechos biológicos. El 95,91% conocía los códigos de colores correctos de los contenedores para diferentes flujos de desechos. En cuanto a las actitudes, 161 (94,15 %) indicó que la gestión de los desechos biológicos era importante y 162 (94,74%) estuvo de acuerdo en que era necesaria una implementación estricta para la gestión adecuada de los mismos en el establecimiento de salud. Elementos clave para mejorar las prácticas de gestión de residuos sanitarios en hospitales: promover prácticas que reduzcan el volumen de residuos generados y aseguren una adecuada segregación de residuos(AU)

Healthcare waste management requires special attention and every healthcare teams should be involved in handling of wastes. However, less attention is paid to health care waste management in developing countries and there is no evidence on health care waste management practices in some institutions providing health services. This study was conducted to assess healthcare waste management practices and associated factors in three hospitals in Peru. It is a descriptive, quantitative and cross-sectional study based on three health establishments. Data were collected using questionnaire and observational checklists. The (66.67%) of the workers knew about the management of biological waste. The majority knew the risks associated with handling them (95.91%). Participants were aware that infections can be prevented. Nine out of ten of the workers completed at least two trainings in the management of biological waste. 95.91% knew the correct container color codes for different waste streams. Regarding attitudes, 161 (94.15%) indicated that the management of biological waste was important and 162 (94.74%) agreed that strict implementation was necessary for proper management of biological waste in the environment health facility. Key elements to improve healthcare waste management practices in hospitals: promote practices that reduce the volume of waste generated and ensure proper waste segregation(AU)

Pinworm infection in school children of four districts of Malakand region, Khyber Pakhtunkhwa, Pakistan / Infecção por Pinworm em crianças em idade escolar de quatro distritos da região de Malakand, Khyber Pakhtunkhwa, Paquistão

Illnesses caused by human pinworm remains a pediatric health problem in developing nations including Pakistan. This study aimed to investigate the prevalence of Enterobius vermicularis in school children of four districts in Malakand region, Pakistan. Four hundred faecal specimens were screened from May 2014 to July 2017 using normal saline and Lugol Iodine solution. Twenty three (5.75%) individuals were found infected with E. vermicularis. Five children (1.25%) were infected with only E. vermicularis and eighteen (4.5%) were mixed with other helminths. E. vermicularis 23 (5.75%), hookworm 11 (2.75%), Ascaris lumbricoides 5 (1.25%), Taenia saginata 2 (0.5%) and Trichuris trichuira 4 (1%) were detected. Age wise 5-8 years were more parasitized followed by 13-15 and 9-12 years of age (0.0296, P<0.05). Male children were highly (0.06700, P<0.05) infected than female. Children in Malakand district were found more infected followed by Dir Upper, similar infection rate was noted in children of districts Lower Dir and Swat (0.0192, P<0.05). Children in primary level were highly (0.0013, P<0.05) infected than those of middle and high levels. Enterobiosis is still the most common parasitic diseases in children. Studies on enterobiosis should be conducted time by time to recognize the hazardous of such parasitic infection in remote areas of the country.

As doenças causadas pela traça humana continuam sendo um problema de saúde pediátrica nos países em desenvolvimento, incluindo o Paquistão. Este estudo teve como objetivo investigar a prevalência de Enterobius vermicularis em escolares de quatro distritos na região de Malakand, Paquistão. Quatrocentos espécimes fecais foram selecionados de maio de 2014 a julho de 2017, usando solução salina normal e solução de lugol iodo. Vinte e três (5,75%) indivíduos foram encontrados infectados por E. vermicularis. Cinco crianças (1,25%) foram infectadas apenas com E. vermicularis e dezoito (4,5%) foram misturadas com outros helmintos. Foram detectados E. vermicularis 23 (5,75%), ancilóstomo 11 (2,75%), Ascaris lumbricoides 5 (1,25%), Taenia saginata 2 (0,5%) e Trichuris trichuira 4 (1%). Com relação à idade, 5-8 anos foram mais parasitados, seguidos por 13-15 e 9-12 anos de idade (0,0296, P <0,05). Crianças do sexo masculino foram altamente (0,06700, P <0,05) infectadas do que as do sexo feminino. As crianças no distrito de Malakand foram encontradas mais infectadas, seguidas por Dir Upper, taxa de infecção semelhante foi observada em crianças dos distritos Lower Dir e Swat (0,0192, P <0,05). As crianças do nível primário foram altamente (0,0013, P <0,05) infectadas do que as dos níveis médio e alto. A enterobiose ainda é a doença parasitária mais comum em crianças. Os estudos sobre enterobiose devem ser conduzidos periodicamente para reconhecer a periculosidade dessa infecção parasitária em áreas remotas do país.

High Prevalence of Enterobius vermicularis Infection among Schoolchildren in Three Townships around Yangon, Myanmar

In order to determine the status of Enterobius vermicularis infection among schoolchildren in suburban areas of Myanmar, 761 primary schoolchildren in 3 different townships around Yangon City were subjected to a survey using cello-tape anal swabs. The subjected schoolchildren were 383 boys and 378 girls who were 5-7 years of age. Only 1 anal swab was obtained from each child. The overall egg positive rate of E. vermicularis was 47.2% (359 positives), and sex difference was not remarkable (48.6% in boys and 45.8% in girls). However, the positive rate was the highest in South Dagon (54.6%) followed by Hlaing Thayar (43.8%) and North Dagon (34.8%). This difference was highly correlated with the living standards of the people in each township. Nucleotide sequence of the 5S rDNA from the eggs on the cello-tape (2 children) revealed 99.7% identity with that of E. vermicularis reported in GenBank. The results indicated that E. vermicularis infection is highly prevalent among primary schoolchildren around Yangon, Myanmar.

Oxiuriasis tubárica como causa de dolor abdominal en estudio: reporte de un caso / Fallopian tube as a likely cause of abdomal pain in study: case report

INTRODUCCIÓN: La oxiuriasis es una parasitosis causada por Enterobius vermicularis, cuyo ciclo vital es exclusivo en humano. En chile se subestima su prevalencia, debido a su baja notificación, sin embargo es causante de múltiples entidades clínicas como trastornos del sueño, lesiones de la mucosa nasal, vulvovaginitis,salpingitis, ooforitis, enfermedad inflamatoria pélvica, e incluso peritonitis secundaria a perforación de asa intestinal infestada. PRESENTACIÓN DEL CASO: Mujer de 33 años que ingresa al servicio de urgencia del Hospital El Pino, Santiago de Chile, con manifestaciones clínicas compatibles con apendicitis aguda. Se realiza apendicectomía y como hallazgo operatorio se constata tumor de bordes mal definidos en trompa uterina derecha, interpretado como embarazo ectópico, por lo que se realiza salpingectomía unilateral. Sin embargo, en el estudio anatomopatológico posterior se diagnostica enterobiasis tubárica DISCUSIÓN: La infestación por Enterobius vermicularis es considerada endémica en nuestro país, con una prevalencia de hasta un 41por ciento, por lo que es necesario incorporarlo como diagnóstico diferencial de abdomen agudo.

INTRODUCTION: Estrongyloides is a parasitic disease caused by Enterobius vermicularis, Humans are hosts only to this parasite. In Chile, there are an underestimated prevalence due to its low notification, however, it causes many clinical entities as sleep disorder, nasal mucosal damage, vulvovaginitis, salpingitis, oophoritis, pelvic inflammatory disease and even peritonitis due to rupture of infested intestinal loop. CASE REPORT: A 33 years old admitted to the emergency department of Hospital El Pino with clinical manifestations compatible with acute appendicitis. Appendectomy was performed, operative findings suggested an ill-defined tumor in fallopian tube, interpreted as ectopic pregnancy. Then underwent unilateral salpingectomy after pathological examination fallopian tube salpingeal was diagnosed. DISCUSSION: Given the high prevalence and the fact that mimic acute appendicitis it´s a significant part of the differential diagnosis for acute abdomen.

Effectiveness of Repeated Examination to Diagnose Enterobiasis in Nursery School Groups

The aim of this study was to estimate the benefit from repeated examinations in the diagnosis of enterobiasis in nursery school groups, and to test the effectiveness of individual-based risk predictions using different methods. A total of 604 children were examined using double, and 96 using triple, anal swab examinations. The questionnaires for parents, structured observations, and interviews with supervisors were used to identify factors of possible infection risk. In order to model the risk of enterobiasis at individual level, a similarity-based machine learning and prediction software Constud was compared with data mining methods in the Statistica 8 Data Miner software package. Prevalence according to a single examination was 22.5%; the increase as a result of double examinations was 8.2%. Single swabs resulted in an estimated prevalence of 20.1% among children examined 3 times; double swabs increased this by 10.1%, and triple swabs by 7.3%. Random forest classification, boosting classification trees, and Constud correctly predicted about 2/3 of the results of the second examination. Constud estimated a mean prevalence of 31.5% in groups. Constud was able to yield the highest overall fit of individual-based predictions while boosting classification tree and random forest models were more effective in recognizing Enterobius positive persons. As a rule, the actual prevalence of enterobiasis is higher than indicated by a single examination. We suggest using either the values of the mean increase in prevalence after double examinations compared to single examinations or group estimations deduced from individual-level modelled risk predictions.

Prolonged irritative voiding symptoms due to Enterobius vermicularis bladder infestation in an adult patient

Enterobius vermicularis (pinworm) is one of the most prevalent intestinal parasites in the world. The urinary tract is rarely affected and few cases have been reported. We report a case of bladder infestation by mature female worms of E. vermicularis in a woman presenting with irritative voiding symptoms.

Enterobiasis: a neglected infection in adults.

In this study, adult patients were treated with praziquantel to expel intestinal flukes. Unexpectedly, dozens of adult Enterobius vermicularis worms with disfigured morphology, which had not been detected on fecal examination using Kat's modified thick-smear technique, were expelled from 6 of 33 patients.

Estudio clínico-epidemiológico de enterobiasis en preescolares y escolares de Taratara, Estado Falcón, Venezuela / Clinical and Epidemiological study of enterobiasis in preschool and schoolchildren from Taratara, Falcon State, Venezuela

Durante Julio y Noviembre 2004, se realizó un estudio para determinar los perfiles clínicos y epidemiológicos de enterobiasis en 100 preescolares (2-5 años) y escolares (6-12 años) de Taratara, Estado Falcón, Venezuela. Se hizo evaluación clínica y anamnesis para la búsqueda de signos y síntomas y conductas antihigiénicas de los niños que usualmente se encuentran asociados a enterobiasis. La detección de la infección por E. vermicularis se realizó mediante la aplicación de la técnica de la cinta adhesiva transparente de Graham. El estado socio-económico de los núcleos familiares se estableció por el método de Graffar. El análisis de los resultados reveló una prevalencia global de 45% (45/100), no detectándose diferencias estadísti-camente significativas entre sexos ni edad (x2 = 0,0016 y 0,087, p = 0,968 y 0,769, respecti-vamente). El prurito anal fue la manifestación clínica más frecuentemente observada, y la única significativamente asociada con la enterobiasis (x2= 7,74; p = 0,005). El método de Graffar reveló que la mayoría de los hogares son de estratos socioeconómicos paupérrimos: IV (77,6%) y V (17,2%). Aparecen como factores de riesgo significativamente asociados a la transmisión: jugar con mascotas (OR = 3,90), el hacinamiento (e¼6Personas/casa) (OR= 2,4), el bajo nivel de instrucción educativo de la madre (OR = 7,88) y el consumo del agua sin hervir (OR = 1,01). La diseminación aerosol, nasal y la retroinfección, en vez de la vía "mano-ano-boca", parecieran estar jugando un papel más importante y relevante en la transmisión de E. vermicularis entre los niños de Taratara, Estado Falcón, Venezuela.

Lymphadenopathy following enterobiasis

Human enterobiasis in the majority of cases in asymptomatic. Enterobiasis in this case who presented with generalized lymphadenopathy was diagnosed by exclusion of other casues and based on mother noticing worms in her child stool. Mebendazole treatment was prescribed and this was followed by returning of lymph nodes to normal size

Enterobíase / Enterobiasis

Os autores fazem uma revisão da enterobíase com uma visão clínica, com maior ênfase no diagnóstico e apresentação de novas opções terapêuticas desta parasitose intestinal

Egg positive rate of Enterobius vermicularis and Taenia spp. by cellophane tape method in primary school children in Sivas, Turkey

The aim of the present study was to find out the number of students with enterobiasis and/or taeniasis in primary schools of Sivas. Among the 2, 029 students in 6 primary schools, 316 (15.6%) were positive to Enterobius vermicularis eggs and 32 (1.6%) were positive to Taenia spp. eggs by the cellophane tape method. The egg positive rates of E. vermicularis and Taenia spp. ranged from 9.4% to 27.2% and from 0.8% to 2.6% respectively among six schools. The egg positive rate of E. vermicularis was found to be significantly different among these schools (chi2 = 31.96, P 0.05). The rate (18.7%) of E. vermicularis in the urban slum regions was higher than the rate (11.5%) in the urban central regions (chi2 = 19.20; P < 0.05). Above results demonstrate that the egg positive rate of E. vermicularis and Taenia spp. was still prevalent among primary school children.

Enterobiasis mimicking Crohn's disease.

We report a 20-year-old man who presented with abdominal discomfort for 2 months. Colonoscopy showed skip areas with ulceration, resembling Crohn's disease. Biopsies showed chronic inflammation and a non-necrotizing granuloma. An adult pinworm was found in the lumen from an uninvolved segment. The patient responded to mebendazole.

Efectividad en el diagnóstico de enteroparasitosis en poblaciones escolares de Lima / Effectiveness in the diagnosis of enteroparasitosis in scholastic populations of Lima

El estudio compara la efectividad de los métodos parasitológicos en el diagnóstico de enteroparasitosis en una población escolar. Para ello, se realizaron exámenes coprológicos a 120 escolares entre los 4 y 12 años, utilizando técnicas de concentración, analizándose un total de 360 muestras. De la población escolar examinada, 29 (24 por ciento) de ellos resultaron parasitados, siendo la efectividad de la técnica de Faust del 100 por ciento mientras que el diagnóstico por la técnica de Willis fue del 93 por ciento.

The study compares the effectiveness of the parasitological methods in diagnose of entero-parasites in a scholastic population. For it, a total of 360 samples was made coprologic tests to 120 students between 4 and 12 years, using concentration techniques, analyzing itself. From the examined scholastic population, 29 (24%) of them were parasited, being the effectiveness of the Faust technique of the 100% whereas the diagnose by the Willis technique was of 93%.

Malaria and enterobiasis among Karen Long-neck tribe in Mae Hong Son Province.

In Thailand, Mae Hong Son Province is highly endemic for malaria. Knowing this, the local Health Department has introduced a program to educate local residents about the risk factors, in particular the dangers and symptoms of malaria. This study was conducted to evaluate these efforts, by determining the number of malaria infections in a segment of the population, and also by testing for enterobiasis among a group of its children. Two villages in Mae Hong Son Province were chosen for this purpose with a combined population of about 300. Of these, 195 were screened for malaria. Two subjects were diagnosed positive for malaria by microscopy. One of these two villages was chosen to screen for Enterobius vermicularis infection in children as well. Out of 69 stool samples, five (7%) showed infection with E. vermicularis: three with a low number of eggs (1-50), and two with a high number of eggs (>100). Compared with infection rates in similar studies, the results of this study indicate that the Health Department's efforts are meeting with relative success. The low prevalence of infection indicates that the villagers are using the information they have received to help combat infection.

Processo inflamatório granulomatoso peritoneal decorrente de ovos de enterobius vermicularis simulando carcinomatose peritoneal - relato de caso / Peritoneal granulomatous inflammation due to enterobius ova simulating peritoneal carcinomatosis - case report

Os autores descrevem um caso de processo inflamatório granulomatoso peritoneal por ovos de Enterobius vermicularis (Oxiurus) como um achado incidental durante laparoscopia por miomatose. A importância deste relato é indicar uma nova hipótese diagnóstica para achado de granuloma peritoneal. Nódulos granulomatosos peritoneais por Enterobíase podem simular diagnósticos como Tuberculose e carcinomatose peritoneais confundindo o diagnóstico.

A case of ovarian enterobiasis

A 36-year old Korean woman consulted a clinic for a regular gynecological examination, and a mass was noticed in her pelvis. She was referred to the Asan Medical Center, Seoul where transvaginal ultrasonography confirmed a pelvic mass exceeding 10 cm in diameter. She received total abdominal hysterectomy and bilateral salpingoophorectomy, and a borderline serous neoplasm with micropapillary features involving the left ovary and right ovarian serosa was histopathologically confirmed. In addition, a section of a nematode with numerous eggs was found in the parenchyma of the left ovary. The worm had degenerated but the eggs were well-preserved and were identified as those of Enterobius vermicularis. She is an incidentally recognized case of ovarian enterobiasis.

Combined infection by enterobius vermicularis and cryptosporidium protozoan in appendix

Acute appendicitis caused by combined infection of Enterobius vermicularis and cryptosporidium protozoa in a normally looking appendix described. The patient is a 9-years-old immunocompetent boy who was admitted with acute abdomen and vomiting of one day duration. We believe that this is the first case in the literature that described such a combination. We report this case to increase the awareness of the physicians as well as the pathologists in diagnosing of cryptosporidiosis