Trichuriasis - helminthiasis (nematodes), parasitic disease, occurring with lesions of the gastrointestinal tract.
Pathogen - roundworm (nematode) Trichuris trichiura (Trichocephalus trichiurus)
part of helminth hairlike (hence the name of the helminth -
whipworm), the rear end thickened. Male 30-45 mm in length, the tail
helically curved part, it is the intestines. The female length
35-55 mm, slightly curved tail end, there are located the intestines and
uterus. Life expectancy - 5 years. Eggs are yellowish-brown color,
reminiscent of a lemon with a clear and colorless caps at the poles;
Sizes 47-52x22-23 microns; the contents of the fine-grained, covered
smooth multilayer coating.
the host and the source of infection - people. infection Path -
fecal-oral (penetration mechanism of the pathogen from the patient's intestine into the mouth of another human body). The disease is widespread in countries with
warm and humid climate, especially in the tropics (80% of all cases).
The incidence in the world - 1 billion per year.. most often
trichuriasis observed in the use of agricultural products,
grown on fields in violation of the soil decontamination mode.
Whipworm parasite in the cecum and appendix, when
massive infections (the number reaches 3000 individuals or more) - throughout
colon to the anus. Adults are fixed on the wall
colon, penetrating its thin front end, butt hanging body
in the intestinal lumen.
Every day, the female releases eggs 3000-10000. FROM
Immature eggs feces enter the soil where the humidity at 70-90% and
15-35S temperature maturation occurs, and the larvae that have formed stiletopodobnoe
formation at the front end. Depending on the time temperature
maturation takes from 2 weeks to 3-4 months, the eggs can survive in the soil
1-2 years. From eggs, penetrating the human gut, leave the infected larvae, which penetrate into the villi of the small intestine mucosa,
which are within 3-10 days. Then the larvae migrate slowly down
the lumen of the intestine, and the blind ascending colon. Here,
infiltrating the mucosa, they are converted for 1-3 months in
adult worms begin to lay eggs. Latest in the faeces
into the soil, which, under favorable conditions within 2-4 weeks
develop to the infective stage.
How is the disease
In most cases (with a slight infection) disease is asymptomatic. symptoms
(When a large number of parasites): abdominal pain, increased
fatigue, loss of appetite, excessive salivation, constipation
(Sometimes alternated with diarrhea), hypo- ornormochromic anemia. In places clusters of parasites form infiltration and erosion. In tropical regions with intensive invasions mark haemocolitis cases (acute colitis with blood in the stool) in children and pregnant women with prolapse of the rectum.
The research method - detection of parasite eggs in feces.
How to treat trichocephalosis
- Mebendazole 100 mg p 2 / day for 3 days. If necessary, repeat at intervals of 1-1.5 months.
- If contraindications to mebendazole - oxygen therapy (oxygen introduction through a tube into the intestine).