Abstract
Objective:
The association between diabetes and Strongyloides infection remains controversial. This study aimed to detect Strongyloides stercoralis DNA in the feces of patients with Diabetes Mellitus type 2 (DM2).
Methods:
Fecal samples were analyzed via the Lutz, Rugai, and agar plate culture methods. PCR amplification was performed using two targets (PCR-genus and PCR-species) located on the S. stercoralis 18S ribosomal.
Results:
The positivity for S. stercoralis using parasitological methods was 1.1%. PCR-genus (14.13%) demonstrated a higher positivity than PCR-species (9.78%).
Conclusion:
The results confirm the greater positivity of the molecular diagnosis in relation to parasitological methods, reinforcing its use as an additional tool for the diagnosis of S. stercoralis infection in patients with DM2 living in endemic areas for this helminthiasis.
HIGHLIGHTS
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Positivity for strongyloidiasis in coproscopic exam was low in diabetic patients.
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PCR is more sensitive for detecting S. stercoralis infection in diabetic patients.
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Molecular diagnosis is an important tool for the detection of S. stercoralis.
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