The digestive track covers the following:
•    Mouth
•    Esophagus
•    Stomach
•    Small Intestine
•    Large Intestine
•    Rectum
•    Anus

Crohn’s can affect any of those areas, but most commonly attacks the ileum or the lower small intestine. The swelling of the affected area will cause pain and diarrhea.

Statistics
Crohn’s can be found in both men and women. It may run in families, 20% of people diagnosed with the disease have a blood relative with some form of inflammatory bowel disease. It is usually diagnosed between the ages of 20 to 30, although people of all ages can suffer from Crohn’s. People of Jewish heritage have a greater risk of developing the disease while people of African American heritage have less of a risk.

Prevalance of Crohn’s disease: 500,000 Americans

Prevalance Rate: approx 1 in 544 or 0.18% or 500,000 people in

Hospitalization statistics for Crohn’s disease: The following are statistics from various sources about hospitalizations and Crohn’s disease:
•    0.17% (21,634) of hospital consultant episodes were for crohn’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    82% of hospital consultant episodes for crohn’s disease required hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    42% of hospital consultant episodes for crohn’s disease were for men in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    58% of hospital consultant episodes for crohn’s disease were for women in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    35% of hospital consultant episodes for crohn’s disease required emergency hospital admission in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    9.6 days was the mean length of stay in hospitals for crohn’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    6 days was the median length of stay in hospitals for crohn’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    39 was the mean age of patients hospitalised for crohn’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    78% of hospital consultant episodes for crohn’s disease occurred in 15-59 year olds in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    5% of hospital consultant episodes for crohn’s disease occurred in people over 75 in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    36% of hospital consultant episodes for crohn’s disease were single day episodes in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)
•    0.18% (93,538) of hospital bed days were for crohn’s disease in England 2002-03 (Hospital Episode Statistics, Department of Health, England, 2002-03)

A team from University College London wondered whether an overactive immune reaction was the problem.The team carried out biopsies on six Crohns disease patients and nine healthy volunteers. The operation triggered an acute immune response in the healthy people, producing white blood cells to heal damage caused by the removal of cells. But the Crohn’s patients responded by producing far lower amounts of white blood cells. The researchers used Viagra to boost blood flow to the intestine in the patients with Crohns disease, thus increasing the flow of white cells to the damaged area.

Researchers in the U.K. have a new theory to explain the cause of Crohns disease, and they say medications like the erectile dysfunction drug Viagra may prove useful for treating the bowel disorder if they are right.In Crohns disease, chronic inflammation causes ulcers within the digestive tract that can lead to severe gastrointestinal symptoms, including abdominal pain, persistent diarrhea, and rectal bleeding.The most widely accepted theory is that an overactive immune system causes the damaging inflammation.

But researchers from the University College London say the opposite appears to be true.They believe a weaker-than-normal immune response triggers the bowel inflammation that leads to Crohns disease. The researchers tested this theory by treating 10 Crohn’s patients with 50 milligrams of Viagra after injecting them with the killed gut bacteria. They found that blood flow to the infected area improved.

“Increasing blood flow is an important part of the inflammatory response, and that is why this drug may work,” Segal says. “But we don’t yet know if this will give rise to successful treatment. We need to study this further to find out.” The disease usually affects the small intestine and one in every thousand people in the UK is afflicted with this miserable complaint.

But now scientists believe they have found the cause of Crohns disease, and they think it could be treated with Viagra.The team of researchers from University College London say they believe the cause is the opposite of what has been supposed and is triggered by a weak immune system, rather than an overactive one where cells are attacked by the body’s own immune system.

Crohn’s was previously thought to be an auto-immune disease and was treated with immuno-suppressant drugs. But the researchers led by Anthony Segal and colleagues have discovered that people with Crohn’s have a weak and unresponsive immune system which does not repair damage easily. They say the flow of blood to damaged cells is substantially reduced, and a drug such as Viagra, best known for its effects on erectile dysfunction, could help the healing process as it stimulates blood flow.

Since it was identified in the 1920s there have been many theories as to the cause of Crohn’s and it was often compared with tuberculosis, but attempts to find an infectious agent have failed.
The research team compared the immune system response of Crohn’s patients and healthy individuals to minor injuries, such as skin abrasions and discovered a difference in the number of white blood cells called neutrophils produced by the body to heal the damage in the bowel and on the surface of the skin.

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