Enfermedades infecciosas y microbiologia clinica · 2009
[Tularemia: a decade in the province of Soria (Spain)].
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Aldea-Mansilla Carmen, Nebreda Teresa, García de Cruz Susana, Dodero Eduardo, Escudero Raquel, Anda Pedro, Campos Angel
Аннотация
INTRODUCTION: Tularemia is a zoonotic disease that has been regularly reported in Spain since 1997. This study analyzes suspected, probable, and confirmed cases of tularemia in the province of Soria, and compares them with tularemia cases recorded in the autonomous community of Castilla y Léon, which, with the exception of 1 sporadic case, occurred in 2 epidemic outbreaks in 1997/1998 and 2007/2008.
METHODS: We studied all patients (53) with signs and symptoms of tularemia in the period of 1997 to 2008. Sixty-three serum samples from these patients were tested by a microagglutination assay for antibodies against Francisella tularensis; additionally 10 blood cultures and 1 culture of abscess exudate from an enlarged lymph node were carried out.
RESULTS: Over the last decade, 19 cases of tularemia have been diagnosed in Soria (1 sporadic case in 1996, 5 associated with an outbreak reported in 1997/98 and 13 associated with an outbreak occurring in 2007/08). In 95% of the cases, previous contact with hares was reported. The ulceroglandular type was most frequently (62%) observed. F. tularensis was isolated on blood culture in 2 cases. The remaining patients were diagnosed by serology (4 confirmed cases, 13 probable cases).
CONCLUSION: The cases of tularemia documented in Soria showed clinical and epidemiological features (predominant ulceroglandular clinical presentation and previous contact with hares) identical to the 1997/98 tularemia outbreak in Castilla y Léon, but contrasted with the 2007/08 outbreak in Castilla y León where typhoidal clinical forms of the disease and a relationship with an increased rodent population (Mycrotus spp) were predominant.
METHODS: We studied all patients (53) with signs and symptoms of tularemia in the period of 1997 to 2008. Sixty-three serum samples from these patients were tested by a microagglutination assay for antibodies against Francisella tularensis; additionally 10 blood cultures and 1 culture of abscess exudate from an enlarged lymph node were carried out.
RESULTS: Over the last decade, 19 cases of tularemia have been diagnosed in Soria (1 sporadic case in 1996, 5 associated with an outbreak reported in 1997/98 and 13 associated with an outbreak occurring in 2007/08). In 95% of the cases, previous contact with hares was reported. The ulceroglandular type was most frequently (62%) observed. F. tularensis was isolated on blood culture in 2 cases. The remaining patients were diagnosed by serology (4 confirmed cases, 13 probable cases).
CONCLUSION: The cases of tularemia documented in Soria showed clinical and epidemiological features (predominant ulceroglandular clinical presentation and previous contact with hares) identical to the 1997/98 tularemia outbreak in Castilla y Léon, but contrasted with the 2007/08 outbreak in Castilla y León where typhoidal clinical forms of the disease and a relationship with an increased rodent population (Mycrotus spp) were predominant.