Illnesses in Travelers Returning from the Tropics: A Prospective Study of 622 Patients

Ansart, Séverine; Pérez, Lucía; Vergely, Olivier; Danis, M.; Bricaire, François; Caumes, Éric

doi:10.2310/7060.2005.12603

Cited by 113 publications

(75 citation statements)

References 18 publications

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“…27 Diarrhea is a symptom described in 10% to 66% of patients with ALA. 1,26,28 Three of our patients had diarrhea at admission and two underwent a colonoscopy, which showed erosive or ulcerative colitis (probably amebiasis, but with no microbiological proof). 3 Serodiagnosis is considered as the gold standard 1,29 for diagnosis of ALA but it lacks the sensitivity as illustrated in one of our cases where the diagnosis relied on positive PCR, whereas seroconversion for amebiasis was delayed. In addition, false-positive results are common in endemic areas, in particular in patients with a previous history of amebiasis.…”

Section: Discussionmentioning

confidence: 84%

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Amebic Liver Abscess Diagnosed by Polymerase Chain Reaction in 14 Returning Travelers

Vallois¹,

Epelboin²,

Bricaire³

et al. 2012

The American Society of Tropical Medicine and Hygiene

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Abstract. Amebic liver abscesses (ALA) are not commonly described in travelers. The ALA diagnosis is usually based on serology and Entamoeba histolytica polymerase chain reaction (PCR) is a new tool. We retrospectively reviewed all ALA cases diagnosed by PCR on the liver abscess pus aspirate of patients admitted in French hospitals between 2007 and 2011. Fourteen cases (10 male, median age 48 years) were included. The median lag time between return and onset of symptoms was 23 days (interquartile range [IQ] 18-24). All patients had an elevated cardiopulmonary resuscitation level, and 11 had leukocytosis. The ALA was multiple in five patients, localized in the right lobe in 12, and higher than 5 cm in 11. Serology was initially negative in one patient, whereas PCR was positive. There was bacterial co-infection in one patient. The outcome was good. Liver puncture allows a rapid diagnosis of ALA with PCR and helps identify the association with a bacterial dual infection.

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Section: Discussionmentioning

confidence: 84%

“…1,2 Whereas amebiasis is an important cause of acute diarrhea after travel, amebic liver abscess (ALA) is less commonly found in febrile returning travelers. 3 In addition, ALA is difficult to differentiate from bacterial liver abscesses given that clinical, biological, and imaging characteristics are unspecific.…”

Section: Introductionmentioning

confidence: 99%

Amebic Liver Abscess Diagnosed by Polymerase Chain Reaction in 14 Returning Travelers

Vallois¹,

Epelboin²,

Bricaire³

et al. 2012

The American Society of Tropical Medicine and Hygiene

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“…4 This difference is probably due to the destination preference of Africa by the French travelers. 19 A surprising finding in our results is the lack of male predominance among patients with ALA. Male predominance is well established in the literature.…”

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confidence: 46%

Amebic Liver Abscess in Israeli Travelers: A Retrospective Study

Lachish

Wieder‐Finesod

Schwartz

2016

The American Society of Tropical Medicine and Hygiene

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Abstract. Amebic liver abscess (ALA) is endemic in developing countries. The epidemiology and clinical characteristics of the disease in developing countries are well described. Travelers from nonendemic countries can serve as a model for the natural history of ALA. Currently, the available literature on travelers is limited. This is a retrospective observational study on Israeli travelers diagnosed with ALA. Data regarding travel history, clinical presentation, imaging, and treatment were collected and analyzed. Among 6,867 ill returning Israeli travelers, amebiasis was diagnosed in 53 travelers (0.77%), of whom 14 were with ALA (0.2%). Twelve ALA cases (86%) had an exposure in the Indian subcontinent. The male to female ratio was 1:1, with no significant clinical differences between the sexes. The average lag period between exposure and onset of symptoms was 17.1 months. The lack of male predominance and the prolonged lag period may imply that behavioral factors are pivotal in the development of ALA. Larger case series of travelers are required.

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“…Since the leading health problem in our se- [10][11][12][13]. The most commonly isolated species, as in other studies in European travelers [14,15], including Croatia, another Western Balkan country [16], was P. falciparum.…”

Section: Discussionmentioning

confidence: 68%

Imported parasitic infections in Serbia

Dakić¹,

Nikolić²,

Lavadinović³

et al. 2011

European Journal of Microbiology and Immunology

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Background: Travel to the tropics is associated with a risk of parasitic infection, which is increasing in parallel with the rise in travel to these areas. We thus examined the prevalence and trend in the occurrence of parasitic infections in Serbian travelers. Methods: A retrospective analysis of the medical records of all travelers returning from tropical and subtropical areas, who presented at the Institute for Infectious and Tropical Diseases in Belgrade between January 2001 and January 2008, was performed. Results: Of a total of 2440 travelers, 169 (6.9%) were diagnosed with a parasitic infection, including malaria in 79, intestinal parasites in 84 (pathogenic species in 30 and non-pathogenic in 54), filariasis in four, and visceral leishmaniasis and fascioliasis in one patient each. Importantly, of the whole series only 583 (23.9%) were symptomatic, of which 19.4% were found to be infected with a parasite. The single pathogenic parasite occurring in asymptomatic patients was Giardia intestinalis. Conclusions: Parasitic infection causing symptomatic disease among travelers returning from tropical areas to Serbia is not infrequent. In view of the expected increase in travel to the tropics, diagnostic protocols for tropical parasitic diseases should take these data into account.

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Illnesses in Travelers Returning from the Tropics: A Prospective Study of 622 Patients

Abstract: Tropical diseases are not the leading cause of consultation in travelers returning from the tropics. Immigrants are the travelers most at risk of common tropical diseases, with the noteworthy exceptions of dengue fever and invasive schistosomiasis.

Cited by 113 publications

References 18 publications

Amebic Liver Abscess Diagnosed by Polymerase Chain Reaction in 14 Returning Travelers

Amebic Liver Abscess Diagnosed by Polymerase Chain Reaction in 14 Returning Travelers

Amebic Liver Abscess in Israeli Travelers: A Retrospective Study

Imported parasitic infections in Serbia

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