Detection of Strongyloides stercoralis in Tierralta, Colombia using four parasitological methods
OLIVERA, MARIO | 2014-02-14
Introduction: soil-borne helminth Strongyloides stercoralis is one of the most
neglected among neglected tropical diseases. A study was conducted of the
presence of S. stercoralis in a village from the department of Córdoba, Colombia,
with the purpose of comparing the effectiveness of several diagnostic methods.
Methods: stool samples from 262 persons were evaluated. Each sample was
examined with four parasitological techniques: direct examination, agar plate
culture (APC), the modified Baermann method, and the Harada-Mori technique.
Results: S. stercoralis was detected by at least one of the techniques in four of the
262 samples: the Harada-Mori technique detected 2 cases, APC 1 case and direct
examination 1 case. The modified Baermann method did not detect any case. No
significant differences were found when comparing the techniques.
Conclusions: results show that S. stercoralis is not endemic in the village of
Córdoba, and that parasitological techniques should be used in combination to
improve the quality of diagnosis.