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| 1 | Association of Helicobacter pylori infection and giardiasis: Results from a study of surrogate markers for fecal exposure among children显示文摘AIM: To investigate whether Helicobacter pylori (H pykori)infection is associated with hepatitis A virus (HAV) infection, presence of enteroparasites, and other surrogates of fecal exposure.METHODS: We conducted a cross-sectional study in 121 children consecutively admitted at a pediatric hospital inSalvador, Brazil.H pylori and HAV infection were identified by the presence of serum antibodies. Stool specimens were examined for the presence of ova and parasites. A structured questionnaire inquiring about sanitary conditions and life style was applied to each subject. RESULTS: Fifty-one of the 121 children (42.1%) werefound to be seropositive for H pylori, and 45 (37.2%) for HAV. The seroprevalence ofHpyloriand HAV both increased significantly with age. Cross-tabulation of data showed that 26 (21.5%) were seropositive and 51 (42.1%) were negative for bothHpyloriand HAV antibodies (χ2 = 7.18,OR = 2.8, CI 1.30-5.97). The age adjusted OR for an HAV-infected child being H pylori positive was 2.3 (CI1.02-5.03). The agreement between H pylori and HAVseropositivity was fair (κ = 0.24). After controlling for possible confounding, the variables remaining independently associated with seropositivity to H pyloriwere age,presence of Giardia lamblia in feces (OR = 3.2, 95%CI, 1.1-9.5) and poor garbage disposal quality (OR = 2.4,95%CI, 1.1-5.1).CONCLUSION: Our data suggest that H pylori infection is associated with surrogate markers of fecal exposure. Thus, we conclude that the fecal-oral route is relevant in the transmission of HP among children in an urban setting of a developing country. The association observed between G. lamblia and H pylori infection may have several explanations. Further studies to investigate this relationship are warranted. | Edson Duarte Moreira Jr Victor Bastos Nassri Rafaela Sousa Santos Junísia Ferraz Matos Wilson Andrade de Carvalho Célia Stolve Silvani Círia Santana e Sant'Ana | 2005 | World Journal of Gastroenterology2005，11，18： | 3 |
| 2 | Calcineurin regulatory subunit is essential for virulence and mediates interactions with FKBP12-FK506 in Cryptococcus neoformans显示文摘 | Fox D S Cruz M C Sia R A L | 2001 | Molecular Microbiology2001，39，： | 1 |
| 3 | Web strategies to promote intemet shopping: IS culture-customization needed? 显示文摘 | Sia C L Lim K H Leung K | 2009 | MIS Quarterly2009，33，3： | 1 |
| 4 | Imbalance in Th cell polarization and its relevance in type 1 diabetes mellitus显示文摘 | SIA C | 2005 | Rev Diabet Stud2005，2，4： | 1 |
| 5 | The influence of the implantation temperature on the photoluminescence characteristics of Si nanocrystals embedded into SiO2 matrix显示文摘 | Sias U S Moreira E C Ribeiro E | 2004 | Nucl Instrum Methods B2004，218，： | 1 |
| 6 | Newborn and infanthearing loss;detective and intervention显示文摘 | ERENBERG A LEMONA J SIA C | 1999 | pediatrics1999，103，4： | 1 |
| 7 | Group polarization and Comput- er- mediated communication: Effects of communication cues, so- cial presence, and anonymity 显示文摘 | SIA C L TAN B C Y WEI K K | 2002 | Information Systems Research2002，13，1： | 1 |
| 8 | Newborn and infant hearing loss:Detection and in- tervention显示文摘 | Erenberg A Lemons J Sia C | 1999 | Pediat rics1999，103，2： | 1 |
| 9 | Refined X-ray crystallographic structure of the poliovirus 3C gene product 1 1 Edited By D. Rees显示文摘 | Steven C Mosimann Maia M Cherney Samuel Sia Steve Plotch Michael N.G James | 1997 | Journal of Molecular Biology1997，，5： | 1 |
| 10 | Culture - negative prosthetic joint infection显示文摘 | Berbari E F Marcutescu C Sia I | 2007 | Clin Infect Dis2007，45，9： | 1 |
| 11 | Cultural Fits and Misfits:Is ERP a Universal Solution显示文摘 | SOH C S K SIA J TAY-YAP | 2000 | Communications of the ACM2000，43，4： | 1 |
| 12 | Comparison of the abbott realtimehigh risk HPV with genomica HPV clinical array for the detection ofhuman papillomavirus DNA显示文摘 | Sias C Garbuglia AR Piselli P | 2013 | APMIS:Acta Pathologica Microbiologica etImmunologica Scandinavica2013，121，11： | 1 |
| 13 | Newborn and infant hearing loss: detection and intervention显示文摘 | Ertmberg A Letmms J Sia C | 1999 | Pediatrics1999，103，2： | 1 |
| 14 | Newborn and infant hearing loss : Detection and intervention显示文摘 | Erenberg A Lemons J Sia C | 1999 | Pediatrics1999，103，： | 1 |
| 15 | Credibility of electronic word-of-mouth: informational and normative determinants of on-line consumer recommendations 显示文摘 | Cheung M Luo C Sia C | 2009 | International Journal of Electronic Commerce2009，13，4： | 1 |
| 16 | Newborn and infant hearing loss:detetion and intervention显示文摘 | Erenberg A Lemons J Sia C Trunkel D Ziring P | 1999 | Pediatrics1999，103，10： | 1 |
| 17 | A comparison of a basal infusion with auto- mated mandatory boluses in parturient-controlled epidural analgesia during labor显示文摘 | Sia AT Lim Y Ocampo C | 2007 | Anesth Analg2007，104，3： | 1 |
| 18 | A trapped single ioninside a Bose Einstein condensate显示文摘 | Zipkes C Palzer S Sias C | 2010 | Nature2010，，： | 1 |
| 19 | History of the medical home concept 显示文摘 | Sia C | 2004 | Pediatrics2004，113，5： | 1 |
| 20 | Web strategies to pn)mote in- ternet shopping: is eultural-eustomization needed? 显示文摘 | SIA C L LIM K H LEUNG K | 2009 | Manage- ment information systems quarterly2009，33，3： | 1 |
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