PMID: 9546407Apr 18, 1998Paper

Helicobacter pylori serostatus in backpackers following travel to tropical countries

The American Journal of Tropical Medicine and Hygiene
I Potasman, A Yitzhak

Abstract

The mode of transmission of Helicobacter pylori is unknown. The seroprevalence of H. pylori and the rate of transmission of feco-oral pathogens in developing countries are both high. Long-term travelers to these regions, who come from developed countries are thus potentially at increased risk of an infection with this bacterium. We studied the H. pylori serology status before and after travel of 104 backpackers who traveled to tropical countries; 76 medical students who did not leave Israel served as controls. Southeast Asia (70%) and South America (24%) were the major destinations, but the area of travel had no effect on the seroconversion rate. The total time spent abroad was 53 person-years. Thirty six of the travelers and 30 controls were positive at the outset. Seropositivity at entry was significantly associated with being a Sepharadic Jew or having a parent with a peptic ulcer disease. The majority of travelers (86.5%) and controls (92.1%) did not change their serostatus. Four travelers seroconverted, but 10 seroreverted, while three controls seroconverted, and three others seroreverted. No significant association with gastroenteritis was found. Serostatus may have been affected by mefloquine use because none of the four...Continue Reading

Citations

Jan 25, 2003·Journal of Clinical Gastroenterology·Ene T C MeloIzolda M F Moura
Jun 13, 2012·Antimicrobial Agents and Chemotherapy·Suchandra GoswamiPratap K Das
May 31, 2018·International Archives of Occupational and Environmental Health·Hassan KheyreBárbara Peleteiro
Oct 13, 2000·Gastroenterology Clinics of North America·J E Everhart
Apr 12, 2003·Primary Care·Christopher Sanford

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