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Perianal venous thrombosis

Symptoms of Perianal venous thrombosis

The following features are indicative of Perianal venous thrombosis:
  • pain varying from mild to severe
  • hard lump near the anus
  • painless bleeding during bowel movements
  • itching in the anal region
  • discomfort
  • pain
  • swelling around the anus
It is possible that Perianal venous thrombosis shows no physical symptoms and still be present in a patient.

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Common Causes of Perianal venous thrombosis

The following are the most common causes of Perianal venous thrombosis:
  • lifting a heavy object
  • constipation
  • sitting for long periods
  • anal intercourse
  • pregnancy
  • obesity

Risk Factors for Perianal venous thrombosis

The following factors may increase the likelihood of Perianal venous thrombosis:
  • higher prevalence among white race population
  • commonly found in individuals with higher socioeconomic status
  • constipation
  • prolonged straining
  • intake of spicy foods
  • alcohol consumption

Prevention of Perianal venous thrombosis

Yes, it may be possible to prevent Perianal venous thrombosis. Prevention may be possible by doing the following:
  • eat high fiber diet
  • not straining during bowel movements
  • not sitting on the toilet for long periods of time
  • avoid regular heavy lifting
  • drink plenty of fluids

Occurrence of Perianal venous thrombosis

Number of Cases

The following are the number of Perianal venous thrombosis cases seen each year worldwide:
  • Very common > 10 Million cases

Common Age Group

Perianal venous thrombosis most commonly occurs in the following age group:
  • Aged between 45-65 years

Common Gender

Perianal venous thrombosis can occur in any gender.

Lab Tests and Procedures for Diagnosis of Perianal venous thrombosis

The following lab tests and procedures are used to detect Perianal venous thrombosis:
  • Digital rectal exam: To view inside the anus and rectum
  • Anoscopy: To view the lining of the anus and lower rectum
  • Rigid proctosigmoidoscopy: To view the lining of the rectum and lower colon

Complications of Perianal venous thrombosis if untreated

Yes, Perianal venous thrombosis causes complications if it is not treated. Below is the list of complications and problems that may arise if Perianal venous thrombosis is left untreated:
  • anemia
  • strangulated hemorrhoid
  • blood clots in an external hemorrhoid
  • skin tags
  • infection of a sore on an external hemorrhoid

Procedures for Treatment of Perianal venous thrombosis

The following procedures are used to treat Perianal venous thrombosis:
  • External hemorrhoid thrombectomy: To remove the clot with a simple incision and drainage and provides relief
  • Rubber band ligation: Heals bleeding or painful hemorrhoids
  • Sclerotherapy:To shrink the hemorrhoid tissue
  • Coagulation technique: To treat painful hemorrhoids
  • Hemorrhoidectomy: To treat severe or recurring hemorrhoids by eliminating excessive tissue that causes bleeding
  • Stapled hemorrhoidopexy: Inhibits blood flow to hemorrhoidal tissue

Self-care for Perianal venous thrombosis

The following self-care actions or lifestyle changes may help in the treatment or management of Perianal venous thrombosis:
  • Eat high-fiber foods: Softens the stool and increases its bulk
  • Soak anal area in a warm bath or sitz bath: Relieves the pain and inflammation of hemorrhoids
  • Keep the anal area clean: Helps in preventing hemorrhoids

Alternative Medicine for Treatment of Perianal venous thrombosis

The following alternate medicine and therapies are known to help in the treatment or management of Perianal venous thrombosis:
  • Apply ice packs or cold compresses: Helps in relieving swelling

Time for Treatment of Perianal venous thrombosis

While time-period of treatment for each patient may vary, below is the typical time-period for Perianal venous thrombosis to resolve if treated properly under an expert supervision:
  • Within 1 week

Last updated date

This page was last updated on 2/04/2019.
This page provides information for Perianal venous thrombosis.

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