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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 | The interstitial cystitis symptom index and problem index 显示文摘 | O'LEARY MP SANT GR FOWLER FJ JR | 1997 | Urology1997，49，5： | 1 |
| 3 | Treatment and detoxication of a sanitary landfill leachate 显示文摘 | Silva A C Dezotti M Sant'Anna G L Jr | 2004 | Chemosphere2004，55，2： | 1 |
| 4 | Treatment and detoxication of a sanitary landfill leachate显示文摘 | Silva A C Dezotti M G L Sant'Anna Jr | 2004 | Chemosphere2004，55，2： | 1 |
| 5 | The interstitial cystitis symptom index and problem index 显示文摘 | O'LEARY MP SANT GR FOWLER FJ JR | 1997 | Urology1997，49，5： | 1 |
| 6 | Computed tomographic findings in renal angiomyolipoma:an histologic correlation显示文摘 | Sant GR Heaney JA Ucci AA Jr | 2005 | J Urol2005，24，： | 1 |
| 7 | A proposed method modification for the determination of COD in saline waters 显示文摘 | FREIRE D D C SANT'ANNA Jr G L | 2003 | Environ Technol2003，19，： | 1 |
| 8 | Ability of gut- ta - percha and Resilon to fill simulated lateral canals by using the Obtu- ra II system显示文摘 | Tanomaru - Filho M Sant~nna A Jr Berbert FL | 2012 | J Endod2012，38，5： | 1 |
| 9 | Ozonation of azo dyes ( orange Ⅱ and acid red 27 ) in saline media 显示文摘 | Sliva A C Pic J S Jr Sant'Anna G L | 2009 | Journal of Hazardous Materials2009，169，123： | 1 |
| 10 | Computed tomographic findings in renal angiomyolipoma:an histologic correlation显示文摘 | Sant GR Heaney JA Ucci AA Jr | 1984 | Urol1984，24，： | 1 |
| 11 | Computed tomographic fingings in renal angiomyolipoma:an histologic correlation 显示文摘 | Sant GR Heaney JA Ucci AA Jr | 1984 | Urol1984，24，： | 1 |
| 12 | Ability of gutta-percha and Resilon to fill simulated lateral canals by using the Obtura 1] system显示文摘 | Tanomaru-Filho M Sant'Anna A Jr Berbert FL | 2012 | J Endod2012，38，5： | 1 |
| 13 | Heavy metal removal from synthetic wasterwaters in an anaerobic bioreactor using stillage from ethanol distilleries as carbon source 显示文摘 | Goncalvas M M M da Costa A C A Leite S G F Sant' Anna Jr G L | 2007 | Chemosphere2007，69，： | 1 |
| 14 | 显示文摘 | Eduardo Bessa Geraldo Lippel Sant Anna Jr Marcia Dezotti | 2001 | Applied Catalysis B: Environmental2001，29，： | 1 |
| 15 | The interstitial cystitis symptom index and problem index显示文摘 | O'LEARY MP SANT GR FOWLER FJ JR | 1997 | Urology1997，49，5： | 1 |
| 16 | Treatment and detoxification of a sanitary landfill leachate 显示文摘 | A C Silva M Dezotti G L Sant Anna Jr | 2004 | Chemosphere2004，55，： | 1 |
| 17 | The interstitial cystitis symptom index and problem index显示文摘 | O'Leary MP Sant GR Fowler FJ Jr | | 0，，： | 1 |
| 18 | Ability of gutta-percha and Resilon to fill simulated lateral canals by using the Obtura II system 显示文摘 | Tanomaru-Filbo M Sant'Anna A Jr Berbert FL | 2012 | J Endod2012，38，5： | 1 |
| 19 | Prostatodynia: clinicaland urodynamic characteristics显示文摘 | Barbalias GA Meares EM Jr Sant GR | 1983 | J Urol1983，130，： | 1 |
| 20 | The interstitial cystitis symptom index and problem index显示文摘 | O'Leary MP Sant GR Fowler F J Jr | 1997 | Urology1997，49，5： | 1 |
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