Wednesday, May 6, 2009

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Epidemiology of cholangitis


FREQUENCY:

France is estimated that 3 to 4 million people are carriers of gallstones.
they become symptomatic from 100,000 to 200,000 people each year, and is made more than 70,000
cholecystectomies per year.
Its main complications (which occur in about 20% of cases) are
acute cholecystitis (25% of them), cholangitis (21%) acute pancreatitis (7%). Thus, complicated gallstone
represents more than 20 000 new cases per year for 4% of the population
.

SEX:

It is 02 times higher in women with a sex ratio of 0.55, indeed, as the main cause of cholangitis is
gallstones, women are more often affected than Rights:
hormones promote stone formation. Pregnancy is particularly conducive to
lithogenesis.

AGE:

The average age is between 50 and 60.

THE RACE: Since

cholangitis is most often associated with gallstones, risk factors are often the same
So, in effect, the frequency is higher among people of northern Europe,
among Hispanics and Native Americans (Indians). Some populations of South Asia, in which
intestinal parasites are common, are often affected, and
inhabitants of the Far East. Africans and Americans are less affected


OTHER RISK FACTORS:


- Obesity: if weight> 20% of ideal weight.
- Diet: high-calorie diet rich in polyunsaturated fatty acids, preventive effect of a diet rich in fiber.
- Drugs: The Estrogens, Progestogens, Octreotide ...
- intestinal diseases: Crohn's Disease , resection of the terminal ileum.
- Mucoviscidose.

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