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Intestinal parasites,growth and physical fitness of schoolchildren in poor neighbourhoods of Port Elizabeth,South Africa: A cross-sectional survey
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نویسنده
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müller i. ,yap p. ,steinmann p. ,damons b.p. ,schindler c. ,seelig h. ,htun n.s.n. ,probst-hensch n. ,gerber m. ,du randt r. ,pühse u. ,walter c. ,utzinger j.
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منبع
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parasites and vectors - 2016 - دوره : 9 - شماره : 1
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چکیده
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Background: as traditional lifestyle and diets change with social and economic development,disadvantaged communities in low- and middle-income countries increasingly face a double burden of communicable and non-communicable diseases. we studied the relationship between physical fitness and infections with soil-transmitted helminths (sths),intestinal protozoa and helicobacter pylori among schoolchildren in port elizabeth,south africa. methods: we conducted a cross-sectional survey among 1009 children,aged 9 to 12 years,from eight primary schools in socioeconomically disadvantaged neighbourhoods of port elizabeth. physical fitness was determined using field-deployable tests of the eurofit fitness test battery. stool samples were analysed with the kato-katz thick smear technique to diagnose sths and with rapid diagnostic tests (rdts) to detect intestinal protozoa and h. pylori infections. haemoglobin (hb) levels were assessed and anthropometric indicators determined. results: complete data were available for 934 children (92 %). in two schools,high sth prevalences were found (ascaris lumbricoides 60 and 72 %; trichuris trichiura 65 % each). for boys and girls co-infected with a. lumbricoides and t. trichiura (n = 155) the maximal oxygen uptake (vo2 max) was estimated to be 50.1 and 47.2 ml kg-1 min-1,compared to 51.5 and 47.4 ml kg-1 min-1 for their non-infected peers (n = 278),respectively. on average,children without helminth infections had greater body mass (p = 0.011),height (p = 0.009) and a higher body mass index (p = 0.024) and were less often stunted (p = 0.006),but not significantly less wasted compared to their peers with a single or dual species infection. among 9-year-old boys,a negative correlation between helminth infections and vo2 max,grip strength and standing broad jump distance was observed (p = 0.038). the overall mean hb level was 122.2 g l-1. in the two schools with the highest prevalence of sths the hb means were 119.7 and 120.5 g l-1,respectively. conclusions: intestinal parasite infections appear to have a small but significant negative effect on the physical fitness of infected children,as expressed by their maximal oxygen uptake. we observed a clear impact on anthropometric indicators. © 2016 the author(s).
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کلیدواژه
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Anthropometric indicators; Haemoglobin; Intestinal polyparasitism; Intestinal protozoa; Physical fitness; Soil-transmitted helminths; South Africa
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آدرس
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swiss tropical and public health institute,p.o. box,basel,ch-4002,switzerland,university of basel,p.o. box,basel,ch-4003,switzerland,department of sport,exercise and health,university of basel,st. jakobsturm,birsstrasse 320b,basel,ch-4056, Switzerland, swiss tropical and public health institute,p.o. box,basel,ch-4002,switzerland,university of basel,p.o. box,basel,ch-4003,switzerland,institute of infectious disease and epidemiology,tan tock seng hospital,singapore,308433, Singapore, swiss tropical and public health institute,p.o. box,basel,ch-4002,switzerland,university of basel,p.o. box,basel,ch-4003, Switzerland, faculty of education,nelson mandela metropolitan university,p.o. box 77000,port elizabeth,6031,south africa,department of human movement science,nelson mandela metropolitan university,p.o. box 77000,port elizabeth,6031, South Africa, swiss tropical and public health institute,p.o. box,basel,ch-4002,switzerland,university of basel,p.o. box,basel,ch-4003, Switzerland, university of basel,p.o. box,basel,ch-4003,switzerland,department of sport,exercise and health,university of basel,st. jakobsturm,birsstrasse 320b,basel,ch-4056, Switzerland, swiss tropical and public health institute,p.o. box,basel,ch-4002,switzerland,university of basel,p.o. box,basel,ch-4003, Switzerland, swiss tropical and public health institute,p.o. box,basel,ch-4002,switzerland,university of basel,p.o. box,basel,ch-4003, Switzerland, university of basel,p.o. box,basel,ch-4003,switzerland,department of sport,exercise and health,university of basel,st. jakobsturm,birsstrasse 320b,basel,ch-4056, Switzerland, department of human movement science,nelson mandela metropolitan university,p.o. box 77000,port elizabeth,6031, South Africa, university of basel,p.o. box,basel,ch-4003,switzerland,department of sport,exercise and health,university of basel,st. jakobsturm,birsstrasse 320b,basel,ch-4056, Switzerland, department of human movement science,nelson mandela metropolitan university,p.o. box 77000,port elizabeth,6031, South Africa, swiss tropical and public health institute,p.o. box,basel,ch-4002,switzerland,university of basel,p.o. box,basel,ch-4003, Switzerland
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