IDENTIFYING THE RATE OF STRONGYLOIDES STERCORALIS INFECTION AND RELATED FACTORS IN SOLDIERS ON THE...
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Transcript of IDENTIFYING THE RATE OF STRONGYLOIDES STERCORALIS INFECTION AND RELATED FACTORS IN SOLDIERS ON THE...
IDENTIFYING THE RATE OF
STRONGYLOIDES STERCORALIS
INFECTION AND RELATED FACTORS
IN SOLDIERS ON THE BORDER
IN SOUTHWEST VIETNAM Tran Minh Tuong
(Southern Military Preventive Medical Center)
Strongyloides stercoralis
Objective
+ Investigation of Strongyloides stercoralis
infection rate.
+ Determination of related factors on
Strongyloides stercoralis infection.
Subjects and method
• Subjects: 752 soldiers working on the
border in Southwest Vietnam were studied
during the period from 4/2013 to 8/2014.
• Method: Descriptive study
Results and Discussion
Prevalence of Strongyloides stercoralis infections
The number of participants who were infected with Strongyloides stercoralis was 40 (5.32%), and uninfected was 712 (94.68%). The rate of infection around the world is 2-20%. According to many authors, precise data on the prevalence of this disease cannot be assessed because there are no symptoms and a lack of adequate statistics.
Breakdown of worm infection by age group
There is a difference in Strongyloides stercoralis infection in different age groups, with statistical significance at p<0.05. Those aged over 40 have the highest prevalence of infection (52.5%).
Prevalence of Strongyloides stercoralis infection among those with regular professional contact with soil
OR=2.9
pOR
Regular direct contact with soil
Those who have regular direct contact with soil in our study had a
Strongyloides stercoralis infection risk 2.9 times higher than those who did
not, with p <0.05.
Prevalence of Strongyloides stercoralis infection with regard to eating vegetables and drinking unpurified water
Frequency of eating vegetables and drinking unpurified water
POR
p<0.05
OR= 1.9
The group in the habit of eating raw vegetables or drinking unpurified water
regularly, had a Strongyloides stercoralis infection rate 1.9 times higher than the
group who did not have those habits, with p <0.05.
Prevalence of Strongyloides stercoralis infection in people with a history of stomach pain
In the group with a history of stomach pain, the infection risk was 2.2
times higher than the group with no history of stomach pain, with
p<0.05.
A history of stomach pain
POR
p<0.05
OR = 2.2
Prevalence of Strongyloides stercoralis infection in people who do/do not de-worm regularly
De-worming POR
p<0.05
OR= 1.9
The prevalence of Strongyloides stercoralis infection in the group
who had not periodically de-wormed themselves was 1.9 times higher
than the other group. This difference is statistically significant, with
p<0.05.
Prevalence of Strongyloides stercoralis infection with regard to feeding dogs and cats
Feeding dogs/cats
P
p>0.05
The prevalence of worm infection among people who feed dogs and cats compared to people who do not, has no difference for statistical significance (p> 0.05).
Prevalence of Strongyloides stercoralis infection in people who do not de-worm cats and dogs regularly
Periodic de-worming of dogs and cats
P
p>0.05
587
165
752
The prevalence of worm infection among people who feed dogs and cats without de-worming their pets, compared with people who feed and regularly de-worm their pets, has no difference for statistical significance (p> 0.05).
CONCLUSION• The Strongyloides stercoralis infection rate is
5.32%
• it is most likely to affect people aged over 40
• it is closely linked to jobs or regular habits
involving direct contact with the soil.
CONCLUSIONThe risk factors that increase the prevalence of
infection include:
• Often eating raw vegetables, and washing raw
vegetables improperly.
• A history of stomach pain.
• No periodic de-worming for people.
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