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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 | Blockade of irradiation-induced autophagosome forma-tion impairs proliferation but does not enhance cell deathin HCT-116 human colorectal carcinoma cells显示文摘 | de Albuquerque-Xavier AC Bastos LG de Freitas JC Jr etal | 2012 | Int J On-col2012，40，4： | 1 |
| 3 | Optimization model for antenna positioning in indoor environments using 2-D ray-tracing technique associated to a real-coded genetic algorithm显示文摘 | Grubisic S Carpes W P Jr and Bastos J P A | 2009 | IEEE Transactions on Magnetic2009，45，3： | 1 |
| 4 | An improved method for the determination of petroleum hydrocarbons from soil using a simple ultrasonic extraction and fourier transform infrared spectrophotometry显示文摘 | Couto MN Borges JR Guedes P Almeida R Monteiro E Almeida CMR Basto MCP Vaseoncelos MTSD | 2014 | Petroleum Science and Technology2014，32，4： | 1 |
| 5 | Prospective randomized trial comparing dissection with Plasti- bell circumcision显示文摘 | Bastos Netto JM de Ara6jo JG Jr de Almeida Noronha MF | 2010 | J Pediatr Urol2010，6，6： | 1 |
| 6 | Invitro propagation of Podophyllura pehatum 显示文摘 | Moraes-Cerdeira R M Burandt Jr C L Bastos J K | 1998 | Planta Med1998，64，1： | 1 |
| 7 | Optimization model for antenna positioning in indoor environments using 2-D ray-tracing technique associated to a real-coded geneticalgorithm 显示文摘 | Grubisic S Carpes W P Jr and Bastos J P A | 2009 | IEEE Transactions on Magnetic2009，45，3： | 1 |
| 8 | A comparison of hysteroscopic mechanical tissue removal with bipolar electrical resection for the management of endometrial polyps in an ambulatory care settg: preliminary results显示文摘 | Pampalona JR Bastos MD Moreno GM | 2015 | J Minim Invasive Gyneco2015，22，3： | 1 |
| 9 | A comparison of hysteroseopic mechanical tissue removal with bipolar electrical resection for the management of endometrial polyps in an ambulatory care setting: preliminary resuhs显示文摘 | Pampalona JR Bastos MD Moreno GM | 2015 | J Minim Invasive Gyneeol2015，22，3： | 1 |
| 10 | Severit y of dental caries in children and relationship with social and behavioral aspects显示文摘 | Peres KG Bastos JR Latorre M R | 2000 | Rev Saude Public2000，34，4： | 1 |
| 11 | Calvarial autogenous bone graft for maxillary ridge and sinus reconstruction for rehabili- tation with dental implants显示文摘 | Bastos AS Spin-Neto R Marcantonio E Jr | 2014 | J Oral Implantol2014，40，4： | 1 |
| 12 | A comparison of hysteroscopic mechanical tissue removal with bipolar electrical resection for the management of endometrial polyps in an ambulatory care setting:preliminary results显示文摘 | Pampalona JR Bastos MD Moreno GM | 2015 | J Minim Invasive Gyneco2015，22，3： | 1 |
| 13 | Severity of dental cariesin children and relationship with social and behavioral aspects显示文摘 | PERES KG BASTOS JR LATORRE MR | 2000 | Rev Saude Publica2000，34，4： | 1 |
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