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ANORECTAL DISORDERS (ANAL FISSURES (DEFINITION (An anal fissure is a small…
ANORECTAL DISORDERS
ANAL FISSURES
DEFINITION
An anal fissure is a small tear in the thin, moist tissue (mucosa) that lines the anus. An anal fissure may occur when you pass hard or large stools during a bowel movement.
RISK FACTORS
Infancy. Many infants experience an anal fissure during their first year of life; experts aren't sure why.
Aging. Older adults may develop an anal fissure partly due to slowed circulation, resulting in decreased blood flow to the rectal area.
Constipation. Straining during bowel movements and passing hard stools increase the risk of tearing.
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Crohn's disease. This inflammatory bowel disease causes chronic inflammation of the intestinal tract, which may make the lining of the anal canal more vulnerable to tearing.
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CAUSES
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Inflammation of the anorectal area, caused by Crohn's disease or another inflammatory bowel disease
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PATHOPHYSIOLOGY
The pathophysiology of anal fissures is not entirely clear. It is probable that an acute injury leads to local pain and spasm of the internal anal sphincter.
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MEDICAL MANAGEMENT
Pain, sometimes severe, during bowel movements
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HAEMORRHOIDS
DEFINITION
Hemorrhoids: Dilated (enlarged) veins in the walls of the anus and sometimes around the rectum, usually caused by untreated constipation but occasionally associated with chronic diarrhea.
RISK FACTORS
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Diet high in fat and low in fiber (high fiber foods include whole grain foods, fresh fruits, and vegetables)
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Loss of pelvic floor muscle tone due to age, pregnancy, childbirth, or surgery
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MEDICAL MANGEMENT
Grade I hemorrhoids are treated with conservative medical therapy and avoidance of nonsteroidal anti-inflammatory drugs (NSAIDs) and spicy or fatty foods
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Treatment of grade IV internal hemorrhoids or any incarcerated or gangrenous tissue requires prompt surgical consultation
ABSCESSES
DEFINITION
a localized collection of pus in the tissues of the body, often accompanied by swelling and inflammation and frequently caused by bacteria.
RISK FACTORS
Risk factors for getting an abscess include exposure to dirty environments, exposure to persons with certain types of skin infections, poor hygiene, and poor circulation.
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