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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 | Direct covariance flux estimates from mobile platforms at sea显示文摘 | Edson J B Hinton A A Prada K E | 1998 | Journal of Atmospheric and Oceanic Technology1998，15，： | 1 |
| 3 | Beta-tryptase measurements post-mortem in anaphylactic death and in controls显示文摘 | Edson E Van H M | 1998 | Forensic Sci Int1998，93，23： | 1 |
| 4 | Direct covariance airsea CO2fluxes显示文摘 | McGillis W R Edson J B Hare J E | 2001 | Journal of Geophysical Research2001，106，16： | 1 |
| 5 | Apparent resistivity and spectral induced polarization in the submarine environment 显示文摘 | Hercules D S Edson E S | 2001 | Anais da academia brasileira de ciencias2001，73，3： | 1 |
| 6 | Direct covariance flux estimates from mobile platforms at sea 显示文摘 | EDSON J B HINTON A A PRADA K E | 1998 | Journal of Atmospheric and Oceanic Technology1998，15，： | 1 |
| 7 | Direct covariance flux estimates from mobile platforms at Sea 显示文摘 | Edson J B Hinton A A Prada K E | 1998 | Journal of Atmospheric and Oceanic Technology1998，15，2： | 1 |
| 8 | Direct covariance air-sea CO2 fluxes显示文摘 | McGillis W R Edson J B Hare J E | 2001 | Journal of Geophysical Research-Oceans2001，106，16： | 1 |
| 9 | Identifying organizational requirements for the implementation of advanced manufacturing technologies (AMT) 显示文摘 | Rafaela da Rosa Cardoso Edson Pinheiro de Lima Sergio E Gouvea da Costa | 2012 | Journal of Manufacturing Systems2012，31，3： | 1 |
| 10 | Fluorinated bis (phenoxyketimine) titanium complexes for the living, isoselective polymerization of propylene: multiblock isotactic polypropy- lene copolymers via sequential monomer addition显示文摘 | Edson J B Wang Z G Kramer E J | 2008 | J Am Chem Soc2008，130，14： | 1 |
| 11 | Primary electromagnetic field in the sea induced by a moving line of electric dipoles显示文摘 | Edson E S Sampaio | 2005 | Wave Motion2005，43，： | 1 |
| 12 | Beta-tryptase measurements postmortem in anaphylactic death and in controls显示文摘 | Edson E Vandage HM | 1998 | Forensic Sci Int1998，93，23： | 1 |
| 13 | Direct cow, fiance flux estimates from mobile platforms at sea显示文摘 | Edson J B Hinton A A Prada K E | 1998 | Journal of Atmosphericand Oceanic Technology1998，15，2： | 1 |
| 14 | Correlating chemical structure and physical properties of vegetable oil esters显示文摘 | Luciana R M E Edson L Regina S V N | 2006 | JAOCS2006，83，4： | 1 |
| 15 | The cone of renal fascia in the adult white male显示文摘 | CONGDON E D EDSON J N | 1941 | J Anat Rec1941，，： | 1 |
| 16 | Optimal load distribution between units in a power plant显示文摘 | EDSON C B GUILHERME S B LUIZ E | 2007 | ISA Transactions2007，46，4： | 1 |
| 17 | Arthroscopically assisted combined anterior and posterior cruciate ligament reconstruction显示文摘 | Giannotti B E Edson C J | 1996 | Arthroscopy1996，12，1： | 1 |
| 18 | Beta-tryptase measurements postmortem in anaphylactic death and in controls显示文摘 | Edson E Vandage HM | 1998 | Forensic Sci Int1998，93，23： | 1 |
| 19 | Primary electromagnetic field in the sea induced by a moving line of electric dipoles显示文摘 | EDSON E S SAMPAIO | 2005 | Wave Motion2005，43，： | 1 |
| 20 | The value of serial measurement of both human chorionic gonadotropin and alpha-fetoprotein for monitoring germi-nal cell tumors显示文摘 | Perlin E Engeler JE Jr Edson M | 1976 | Cancer1976，37，： | 1 |
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