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Titolo:
Soil-transmitted helminth infections at very high altitude in Bolivia
Autore:
Flores, A; Esteban, JG; Angles, R; Mas-Coma, S;
Indirizzi:
Univ Valencia, Fac Pharm, Dept Parasitol, E-46100 Valencia, Spain Univ Valencia Valencia Spain E-46100 Parasitol, E-46100 Valencia, Spain Univ Mayor San Andres, Fac Med, Catedra Parasilot, La Paz, Bolivia Univ Mayor San Andres La Paz Bolivia Catedra Parasilot, La Paz, Bolivia
Titolo Testata:
TRANSACTIONS OF THE ROYAL SOCIETY OF TROPICAL MEDICINE AND HYGIENE
fascicolo: 3, volume: 95, anno: 2001,
pagine: 272 - 277
SICI:
0035-9203(200105/06)95:3<272:SHIAVH>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRICHURIS-TRICHIURA; AYMARA CHILDREN; ASCARIS-LUMBRICOIDES; INTESTINAL PARASITES; HUMAN FASCIOLIASIS; SCHOOL-CHILDREN; PREVALENCE; ALTIPLANO; ASSOCIATIONS; COMMUNITIES;
Keywords:
soil-transmitted helminthiases; Ascaris lumbricoides; Trichuris trichiura; coprological surveys; prevalence; intensity; very high altitude; Northern Altiplano; Bolivia;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
39
Recensione:
Indirizzi per estratti:
Indirizzo: Esteban, JG Univ Valencia, Fac Pharm, Dept Parasitol, Av Vicente Andres Estelles S-N, E-46100 Valencia, Spain Univ Valencia Av Vicente Andres Estelles S-N Valencia Spain E-46100
Citazione:
A. Flores et al., "Soil-transmitted helminth infections at very high altitude in Bolivia", T RS TROP M, 95(3), 2001, pp. 272-277

Abstract

A cross-sectional study of soil-transmitted helminthiases in the Northern Bolivian Altiplano was carried out over the 6-year period 1992-97. Prevalences, intensities and associations were analysed from coprological results obtained in 31 surveys (28 in schools and 3 in individuals of all age-groups) performed in 24 Aymara communities located between the city of La Paz andLake Titicaca, at an altitude of 3800-4200 m. Ascaris lumbricoides and Trichuris trichiura were detected, with local prevalences in the range 1.2-28.0% and 0.0-24.0%, respectively. Significant differences in prevalence ratesof trichuriasis were detected, with highest prevalences in male schoolchildren and in subjects aged > 40 years. The global intensity ranged from 24 to 86 544 eggs per gram of faeces (epg) and from 24 to 4560 epg for ascariasis and trichutiasis, respectively. Higher intensities were noted in girls. A. lumbricoides egg counts were statistically significantly higher in the 5-8-years age-group. A positive association between A. lumbricoides and T. trichiura infections was detected. The proportion of heavy infections for A.lumbricoides was 0.1% and 1.0% in the school and community surveys, respectively. No heavy infection for T. trichiura was detected. The very high altitude and its severe environmental conditions may determine the relatively low prevalences and intensities in this area.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/01/21 alle ore 07:54:54