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Sunday, May 8, 2011

Peripheral artery bypass - leg

This post is being made because some of the symptoms match my experience with leg weakness.  M.S. often includes leg weakness and pain.



Source:
http://www.nlm.nih.gov/medlineplus/ency/article/007394.htm

Peripheral artery bypass - leg

Peripheral artery bypass is surgery to reroute the blood supply around a blocked artery in one of your legs. Your peripheral arteries can become blocked with fatty material that builds up inside them. This is called atherosclerosis.

See also:
Angioplasty and stent replacement - peripheral arteries
Peripheral artery disease

Description

Peripheral artery bypass surgery can be done in one or more of these arteries to treat a blockage:

Aorta -- the main artery that comes from your heart
Iliac artery -- in your hip
Femoral artery -- in your thigh
Popliteal artery -- behind your knee
Tibial and peroneal artery -- in your lower leg
Axillary artery -- in your armpit



Why the Procedure is Performed


Symptoms of a blocked peripheral artery are pain, achiness, or heaviness in your leg that starts or gets worse when you walk.

You may not need bypass surgery if these problems happen only when you walk and then go away when you rest. You may not need this surgery if you can still do most of your everyday activities. Your doctor can try medicines and other treatments first.

Reasons for having arterial bypass surgery of the leg are:

Your symptoms keep you from doing your everyday tasks.

Your symptoms do not get better with other treatment.

You have skin ulcers (sores) or wounds on your leg that do not heal.

You have pain in your leg from your narrowed arteries even when you are resting or at night.


Before surgery is considered, the doctor will order special tests to show that you have a severe blockage in your blood vessels.




Risks for this surgery are:

Bypass does not work
Damage to a nerve that causes pain or numbness in your leg
Damage to nearby organs in the body
Damage to the bowel during aortic surgery
Excess bleeding
Infection in the surgical cut
Injury to nearby nerves
Sexual problems caused by damage to a nerve during aortofemoral or aortoiliac bypass surgery
Surgical cut opens up
You need to have a second bypass surgery or a leg amputation
Before the Procedure

Your doctor will do a thorough physical exam and several medical tests.
Most people who have a peripheral artery bypass first need to get their heart and lungs checked.

 
Outlook (Prognosis)

Bypass surgery improves blood flow in the arteries for most people. You may not have symptoms anymore, even when you walk. If you still have symptoms, you should be able to walk much farther before they start.

Your results will depend on where your blockage was, the size of the blood vessel, and whether you have a blockage in your other arteries.



References


Creager MA and Libby P. Peripheral arterial disease. In: Libby P, Bonow RO, Mann DL, Zipes DP, eds. Libby: Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 8th ed. Saunders; 2007:chap 57.

Eisenhauer AC, White CJ. Endovascular treatment of noncoronary obstructive vascular disease. In: Libby P, Bonow RO, Mann DL, Zipes DP, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 8th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 59.


Update Date: 1/25/2011


Updated by: Shabir Bhimji, MD, PhD, Specializing in General Surgery, Cardiothoracic and Vascular Surgery, Midland, TX. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
Browse the Encyclopedia
http://www.nlm.nih.gov/medlineplus/ency/article/007394.htm

MedlinePlus Topics

Peripheral Arterial Disease


Read More

Angioplasty and stent placement - peripheral arteries
Peripheral artery disease - legs


Patient Instructions
Aspirin and heart disease





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