Studies on enterobiasis in the Philippines. VII. Experience with pyrivinium pamoate (Vanquin) in the treatment of enterobiasis.
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Anthelmintics↗
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[Mebendazole oral suspension in the treatment of enterobiasis, ascariasis and trichuriasis in children. Therapeutic yield of a single dose in enterobiasis (author's transl)].
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Adolescent↗
Epidemiology and control of enterobiasis in a developmental center.
OBJECTIVE: To determine if enterobiasis could be controlled in a developmental center. DESIGN: Population-based study. Annual screening of all residents by perianal swabs for enterobiasis and on admission or discharge. Treatment of infected residents and their contacts with mebendazole, 100 mg orally, with two doses given 14 days apart. MAIN OUTCOME MEASURES: The number of residents with enterobiasis and the cost of the program. RESULTS: The prevalence of enterobiasis fell rapidly and progressively, from 21% before mass medication to 1% after 3 years. CONCLUSION: Mass medication of residents with enterobiasis and their contacts was beneficial, harmless, and cost effective.
Adult↗
[New approaches to the eradication of enterobiasis in children].
The paper outlines the results of studies dealt with the detection of risk factors and groups for enterobiasis, the efficiency of the treatment of children suffering from the disease with medamine, biologicals, and Normase. It is shown that risk factors may include an abnormal course of antenatality, minor developmental malformations (diastema, dystrophy, abnormalities of the eye, hand, foot, etc.), as well as early artificial feeding of babies (before they reach 3 months of life). Enterobiasis is found to have a negative influence on the physical, nervous, and mental development and suppression of non-specific immunity in children, which is suggested by the reduction in salivary lysozyme activity, which is lower than the normal level and on blood alpha-interferon production. There is strong evidence for the considerable immunosuppressive effects of enterobiasis on the formation of a postvaccinal immunity against measles. When given in a single course dose, medamine shows a 100% efficiency in the treatment of enterobiasis. Moreover, bificol, bifidumbacterin, and Normase may be useful to enhance the treatment efficiency and children's recovery from enterobiasis.
Antinematodal Agents↗
Distribution of enterobiasis among nursery school children in SE Estonia and of other helminthiases in Estonia.
The occurrence of helminthiases in Estonia was under extensive observation from 1956 until 1989. Enterobiasis had remained the most prevalent helminthiasis in Estonia in the 1990s. After 1990, the number of helminthological studies decreased. This study was conducted to investigate the occurrence and possible risk factors of enterobiasis among nursery school children in Southeast Estonia. A total of 954 nursery school children were examined from 22 nursery schools in Tartu and Põlva counties in Estonia. Enterobius vermicularis infection was detected using the anal swab technique. The parents of tested children were asked to complete questionnaires so as to ascertain the potential risk factors in children's homes and in their families. The overall rate of being positive for E. vermicularis egg was 24.4%. The occurrence of enterobiasis among the examined nursery schools ranged from 11.8 to 46.2% and from 0 to 61.1% in nursery school groups. All nursery schools were infected. Children 5-8 years of age showed a significantly higher rate of being positive for E. vermicularis egg than the younger children. The overall infection rate was higher among boys and among children from larger families. The infection rate was related to washing of hands after closet use. The socioeconomic status of the family was not associated with the frequency of enterobiasis.
Anal Canal↗
Chemotherapy of enterobiasis (oxyuriasis).
Enterobius vermicularis (syn. Oxyurus vermicularis), also known as pinworm or seatworm, is the causative agent of human enterobiasis (oxyuriasis). The disease is more prevalent in temperate regions and is facilitated by factors such as overcrowding in schools and family groupings, as well as inadequate personal and community hygiene. Although the infection is more likely to occur in lower socioeconomic groups, enterobiasis has been reported to affect virtually every level of the general population and especially children. In the great majority of cases, enterobiasis is asymptomatic. One common symptom is intense pruritus ani that in some patients can lead to insomnia, restlessness and irritability. Scratching may cause skin irritation, and in more serious cases, eczematous dermatitis, haemorrhage or secondary bacterial infections. Ectopic migration of E. vermicularis often results in pinworm infestation of the female genital tract often causing granulomas of the uterus, ovary and the fallopian tubes and pelvic peritoneum. Anthelmintic therapies for enterobiasis are successful and include mebendazole, albendazole and pyrantel pamoate. Mass medication of affected groups reduced symptoms rapidly, progressively and in a cost-effective way.
Animals↗
Prevalence of enterobiasis and its incidence after blanket chemotherapy in a male orphanage.
A prospective observational study was conducted in a male orphanage to find out the prevalence of enterobiasis and its incidence after blanket chemotherapy using mebendazole. We found that the prevalence of enterobiasis was 28.9%. The incidence density of enterobiasis after blanket chemotherapy was 379.82 per 1,000 person-years which was quite high. We suggest that blanket chemotherapy should be repeated at every 6 months interval to control enterobiasis in orphanages.
Adolescent↗
[Results of school children with enterobiasis in Tainan city, treated with mebendazole].
There were 2,471 school children suffering from enterobiasis in six primary schools of Tainan city. The infected children in five primary schools, Po-Ai, Yung-Hua, Fu-Hsiao, Pao-Jeng and Hsin-Nan, were treated with one single dosage of 100 mg mebendazole. In Shih-Men primary school, the sixth, the students were given placebos as a control group. Negative conversion rates of infected children were examined after three weeks of chemotherapy and school children in the six primary schools were surveyed for enterobiasis two months after chemotherapy to obtain infection rates. The method of examination was two consecutive-day adhesive cellophane perianal swabs. With the purpose of evaluating the efficiency of treatment, positive reduction rates were used and calculated according to the infection rates of school children gained before and after chemotherapy. Those rates in Pao-Jeng, Fu-Hsiao, Yung-Hua, Po-Ai and Hsin-Nan were 62.1%, 47.8%, 41.8%, 37.1% and 3.3%, respectively, and in Shih-Men 3.9%. Judging the data obtained from each grade or each class of schools showed that the efficacy of chemotherapy in reducing the rate of infection was variable. Hence, one single dose of mebendazole and education on personal hygiene were not sufficient to reduce the prevalence of enterobiasis in primary schools. This was because the cycle of E. vermicularis was relatively short, cutting out the routes of transmission was very difficult, and the factors involved were very complex. Overall, though the positive reduction rate presented in Hsin-Nan primary school showed nearly no success in reducing the infection, the other four schools showed valuable rates. Whether continue a treatment, of about three-months in duration, can inhibit the prevalence of enterobiasis among children in primary schools or not will need further study.
Child↗
[The practical aspects of the enterobiasis problem in Lithuania].
The invasion with enterobiasis in individual groups and antienterobiasis measures performed in Lithuania over the 1980-1989 period have been analysed. An overall average 10-year infectivity of children with Oxyuris vermicularis was 9.4%. The infectivity averaged 17.2% in organized groups of preschool children and 8.1% in nonorganized groups of preschool children. According to the data of 1984-1989 the infectivity in the pupils of the first-fourth forms averaged 18.4%. The infectivity of adults with enterobiasis was considerably lower than in children (1.6-2.3% on the average). Sanitary helminthological surveys have been conducted to assess the degree of contamination of articles in children preschool institutions with invaded matter. An overall index of contamination of the articles under study with Oxyuris vermicularis oocysts was 1.1%. So far enterobiasis control in the Republic has been focussed on the isolation and treatment of the invaded persons, as well as on the sanitary helminthological control over the environment. However, the above measures proved insufficient in combatting the epidemic process. It has been shown that the morbidity might be considerably lowered, provided rules of personal hygiene are strictly and constantly observed, the most essential of them being washing of children in the evening and in the morning. The struggle against enterobiasis may be effective in case all the antiepidemic measures are strictly observed with participation of parents and the personnel of the children institutions.
Adult↗
Impact of health educational programmes on the prevalence of enterobiasis in schoolchildren in Thailand.
Enterobiasis is a worldwide prevalent disease particularly in low income areas. The budget needed for the prevention, treatment and eradication of the disease has thus far frustrated the limited budgets of global public health systems. A study was undertaken to determine if education in addition to medical treatment of enterobiasis could make a difference to the rates of infection. A total of 777 children (399 male and 378 female) from 11 elementary schools in five districts of Samut Prakan Province, Thailand were examined between December 2000 and March 2002. In five of the 11 schools studied, medical treatments were applied, followed by a programme of educating the children in the prevention of infection. Children in the remaining six schools received medical treatment only. The study showed a decrease in infections among children who received supplementary education. This decrease was significant in comparison to the decrease shown among children who received medical treatment only. The study therefore showed that educating high risk individuals played a key role in the prevention of enterobiasis.
Albendazole↗
[The characteristics of the clinical course of taeniarhynchiasis and its combination with enterobiasis and lambliasis and fenasal treatment].
A total of 276 patients with taeniasis alone and taeniasis associated with enterobiasis or lambliasis were involved in the study. The most prevalent features in patients of all the three groups were combinations of the painful, dyspeptic and astheno-vegetative syndromes, the least so--an isolated astheno-vegetative syndrome. Combinations of these syndromes more frequently occur in taeniasis concomitant with enterobiasis (61% vs. 51% in taeniasis alone). Associations of taeniasis with enterobiasis or lambliasis are more frequently diagnosed in children. Combinations of the three syndromes were revealed in the patients with taeniasis coursing against the background of chronic gastritis, duodenal ulcer, cholepathies: in 79% vs. 33.3% in an uncomplicated course. Fenasal therapy for 3 days in a daily dose of 3 g proved fairly effective: 85.7 +/- 6.3% of adults and 82.6 +/- 6.4% of children recovered.
Adolescent↗
[An evaluation of the efficacy of measures for preventing enterobiasis in Leningrad Province].
Assessment of the enterobiasis preventive measures in the children's institutions of Leningrad Province demonstrated that wide treatment-and-prophylactic measures didn't reduce enterobiasis. Low efficiency (0.5% of positive results) was found in the sanitary helminthological examination of utensils, which had been performed at the pediatric institutions. The authors found it inexpedient to make planned mass screening of children attending or just entering the preschool institutions. A set of sanitary-and-hygienic and sanitary education measures producing a sustained and reliable effect in enterobiasis control without therapy is proposed to be used.
Child Day Care Centers↗
Prevalence of taeniasis and enterobiasis among aboriginal children in mountainous areas of Taiwan.
Children numbering 6,197 were tested for taeniasis. Those children were examined from May, 1981 to July, 1989. Sixty one primary schools, in eight mountainous districts provided the test group of children. The method used in these tests was the Scotch tape perianal swab. The overall infection rate of taeniasis was 1%. A total of 6,667 children were also examined for enterobiasis and the infection rate was 10%. There was no significant difference in the rate of taeniasis and enterobiasis by sex. The infection of taeniasis was highest in Tatung District (3%), Ilan County. However, there was no significant difference among the rates by district. The prevalence of enterobiasis was highest in Jenai District (17%), Nantou County and lowest in Lanyu District (2%), Taitung County. Taeniasis was not found among non-aboriginal school children, while 3% of aboriginal school children were infected with Taenia. However, the infection rate of Enterobius vermicularis among non-aborigines (39%) was much higher than that among aboriginal children (5%). These findings indicate that aboriginal children still eat raw meat and viscera of wild animals and acquire Taenia infection.
Child↗
Enterobiasis and urinary tract infection.
The correlation between enterobiasis and urinary tract infection was studied in girls aged 6-14 years. Enterobius ova were demonstrated in anorectal scrapings, carried out three times in each case. Of the 84 patients suffering from urinary tract infection, 55 were Enterobius positive, as compared to 60 among 100 control girls. The difference was not significant. Enterobiasis was not found to be more frequent even when urinary tract infection reappeared within 6 months. There was no significant difference among patients with monosymptomatic bacteriuria and pyuria either. Enterobiasis thus seems to play no pathogenic role in urinary tract infections of girls.
Adolescent↗
Prevalence and risk factors for enterobiasis among preschool children in a metropolitan city in Korea.
The infection rate of Enterobius vermicularis was investigated in 1,191 preschool children in 25 daycare centers in Seoul, Korea by cellotape anal swab from July to August 1999. Both the directors of the daycare centers and the children's parents were asked to complete questionnaires that inquired about the potential risk factors involved. The overall egg positive rate for E. vermicularis was 9.5%, and the prevalence in the daycare centers ranged from 0 to 31.1%. Children aged 6-7 years showed a significantly higher egg positive rate than younger children, but the infection rate was similar for boys and girls. The socioeconomic status of the family and personal hygiene were not associated with enterobiasis, but anthelmintic medication significantly reduced the infection rate. The daycare centers in residential areas showed significantly lower egg positive rates than those situated near traditional markets. The environment of daycare centers is an important factor in enterobiasis, and the mass screening and treatment of children at high risk is recommended.
Animals↗
Enterobiasis and its relationship with anal itching and enuresis among school-age children in Calabar, Nigeria.
The prevalence of enterobiasis and its relationship with anal itching and enuresis were investigated among 799, randomly selected children aged 5-14 years, who lived, either in an area of high population density or one with a much lower population density, in Calabar, Nigeria. The eggs of Enterobius vermicularis were found in anal swabs (collected with transparent adhesive tape) from 60 (7.5%) of the subjects tested, with the prevalence of infection appearing markedly higher in the 403 children from the area with a high population density than in the 396 from the less densely populated area (11.7% v. 3.3%; P < 0.05). Questionnaire-based interviews were used to determine which of the children suffered from anal itching, enuresis or both. Compared with the egg-negative subjects, the 60 children who were egg-positive for Enterobius were found to be much more likely to be suffering from anal itching (78.3% v. 28.3%; P < 0.05) or enuresis (53.3% v. 36.4%; P < 0.05). Enterobiasis is therefore not a problem that is restricted to the temperate regions of the world, and may be a cause of enuresis or at least a contributory factor in the development of this complaint.
Adolescent↗
Chemotherapeutic trial to control enterobiasis in schoolchildren.
To assess several chemotherapeutic schemes for control of enterobiasis, 738 children in five primary schools in Chunchon, Korea, were studied from May 1994 to June 1995. They were divided into 6 groups by the schemes: treatment of once or twice a year; treatment of positive cases or of whole class students; treatment with or without family members. The overall egg positive rate before intervention was 17.5% out of 789 children. Treating all individuals in a class together with family members of positive cases brought better control efficacy than other schemes (p = 0.000). However, when egg positive rate is less than 30%, treating only egg positive cases also can reduce egg positive rate. The confounding factors for the enterobiasis control in primary schoolchildren were new-comer to a class and familial infection.
Animals↗
[An improved complex of measures to prevent enterobiasis].
Enterobiasis is the most common helminth in the USSR. Despite of its clinical manifestations in children, some parents do not see a doctor. 105 parents were interrogated by questionnaires. 71% of them called the reason why they had taken no medical advice and the rest evaded the question. The parents' questionnaire is an important measure for preventing and controlling enterobiasis with regard to better health education methods used in the work with parents and tutors from pediatric institutions.
Child, Preschool↗