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Stent: Purpose, Procedure & Risks

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By Dr. Birinder Singh Thind, Cardiology,

The filigree done adult of special element extrinsic into an blocked colonnade in a physique to transparent it is called a stent. A stent is used to heal enervated or slight arteries in a body. Depending on a placement, a stent revives a upsurge of fluids or blood.

Stents are possibly done adult of cosmetic or metal. Medicated stents extrinsic into arteries can assistance a blocked artery from removing blocked again.


The purpose of stents is to transparent blockages in passageways such as a arteries. Stents are used to provide a following conditions:

  1. Coronary heart illness (blockage in a artery provision blood to a heart)
  2. Peripheral artery illness (obstruction in a arteries provision blood to limbs and pelvis)
  3. Renal artery stenosis (narrowing of arteries carrying blood to kidneys)
  4. Abdominal aortic aneurysm (swollen blood vessels in a abdomen)
  5. Carotid artery illness (narrowing of arteries carrying blood to a brain)
  6. Blocked airways
  7. Blocked bile ducts
  8. Damaged or blocked ureter (the channel carrying urine from a bladder)


The stairs concerned in a procession include:

  1. A tiny rent is done over a influenced area. The alloy will afterwards insert a catheter (hollow tube) inside a influenced area.
  2. An angiogram, or an imaging technique is used to beam a stent to be inserted.
  3. The blocked colonnade will be located and a stent will be installed.


Risks of stents include:

  1. Infection
  2. Heart attack
  3. Bleeding
  4. Blood clots
  5. Re-blockage of a artery
  6. Anaesthesia prompted respirating problems
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