Hospital Carlos III is a referral unit for tropical diseases in Madrid, Spain. Most patients come by themselves to the emergency unit or are referred from primary care or general hospitals in Madrid. A very small proportion of patients come from other regions.
A retrospective study based on a review of the medical records of adults who attended Hospital Carlos III between January 1, 2007 and December 31, 2011 was performed. Patients with positive parasite samples for S. stercoralis or positive serology against this parasite were identified through the databases of the Microbiology Department and the Tropical Diseases Unit.
Exclusion criteria were: (1) unspecified diagnosis methods, and (2) medical records with a lack of data (>25% items): epidemiological data (>5 items), clinical data (>5 items), and analytical data (>7 items).
A patient was diagnosed with strongyloidiasis when the infection could be detected by conventional stool analysis and/or serology against S. stercoralis, regardless of the presence of symptoms. Countries considered endemic for Strongyloides were those on the map published by Stanford University.16
Cases of strongyloidiasis were defined as: (1) autochthonous, when diagnosed in a person who had never travelled to a country endemic for Strongyloides; (2) traveler, when a person was diagnosed after travelling to a country endemic for Strongyloides; (3) native, when a person was born in a country endemic for Strongyloides.
For each case, demographic, clinical, and laboratory data were documented (see Table 1).
Hospital Carlos III is a referral unit for tropical diseases in Madrid, Spain. Most patients come by themselves to the emergency unit or are referred from primary care or general hospitals in Madrid. A very small proportion of patients come from other regions.
A retrospective study based on a review of the medical records of adults who attended Hospital Carlos III between January 1, 2007 and December 31, 2011 was performed. Patients with positive parasite samples for S. stercoralis or positive serology against this parasite were identified through the databases of the Microbiology Department and the Tropical Diseases Unit.
Exclusion criteria were: (1) unspecified diagnosis methods, and (2) medical records with a lack of data (>25% items): epidemiological data (>5 items), clinical data (>5 items), and analytical data (>7 items).
A patient was diagnosed with strongyloidiasis when the infection could be detected by conventional stool analysis and/or serology against S. stercoralis, regardless of the presence of symptoms. Countries considered endemic for Strongyloides were those on the map published by Stanford University.16
Cases of strongyloidiasis were defined as: (1) autochthonous, when diagnosed in a person who had never travelled to a country endemic for Strongyloides; (2) traveler, when a person was diagnosed after travelling to a country endemic for Strongyloides; (3) native, when a person was born in a country endemic for Strongyloides.
For each case, demographic, clinical, and laboratory data were documented (see Table 1).
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