Commonly known as piles, haemorrhoids are abnormally engorged and swollen blood vessels in the anus and lower rectum. These may rupture and cause bleeding or slip out of place during defecation. Piles cause discomfort and itching, affecting a person's daily lifestyle. This is when treatment may be required, and is referred to as haemorrhoidal disease. It is a common condition, but many people are too embarrassed to see their doctor about it until the pain or discomfort becomes unbearable, or when there is bleeding, causing worry that it may be something more serious.
There is more than one type of haemorrhoid. Internal haemorrhoids develop within the rectum. They may be present but cause no pain or discomfort. However, straining during bowel movement may cause them to bleed and protrude as a result of prolapse. Defecation can cause trauma and bleeding, while the presence of stool and constant moisture in the anal canal can lead to anal itchiness, although itchiness is not a common symptom of haemorrhoids. Less common - the haemorrhoid protrudes from the anus and cannot be pushed back inside, a condition referred to as incarceration of the haemorrhoid.
External haemorrhoids develop around the anus and can be felt as bulges at the anus, but usually cause few of the symptoms typical of internal haemorrhoids. When irritated, they may itch or bleed. External haemorrhoids can cause a very painful anal lump when blood clots inside them (thrombosis).
The symptoms of piles can mimic and mask the symptoms of cancer. It is important for any patient complaining of symptoms that might be attributed to piles to consult their specialist surgeon for a full examination, before dismissing their symptoms as mild and haemorrhoid-related.
Some signs and symptoms that patients can look out for include:
There are multiple factors resulting in a person having symptomatic piles. These are generally associated with any condition that can cause an increase in intra-abdominal pressure, including:
The treatment of piles depends on the severity and the type of symptoms affecting the patient. Simple preventive measures include having a balanced diet and adequate water intake to allow regular bowel movement without straining. If this doesn't help, other treatments available include:
Piles that are not prolapsed can be ligated or injected. These are simple procedures that can be done in an outpatient clinic and do not require hospitalisation. But these procedures may not be extremely effective, and may require more than one treatment.
More definitive measures are needed for severe cases, such as when clots repeatedly form in external haemorrhoids, or Iigation fails to treat internal haemorrhoids, or when a protruding haemorrhoid cannot be reduced, or when there is persistent bleeding. Surgical techniques under general anaesthesia include:
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