Critical Venous Insufficiency

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venous insufficiency

What is Venous Insufficiency?

Venous insufficiency is the inability of the veins to pump blood from the feet back up to the heart. This is usually due to the wall or the valve of the vein being damaged, causing the blood to pool in the foot. Chronic venous insufficiency or CVI is a long-term version of this condition that can lead to severe symptoms, such as ulcers.

Symptoms of Venous Insufficiency

The most common symptom of the condition and usually the earliest is a swelling of the foot. This is because the blood is not being pumped back to the heart but is being retained in the foot. There are other symptoms that will signify that you have venous insufficiency; these include cramping, a heavy feeling in the legs and feet, itching, redness and varicose veins.

The condition can also be painful. The pain is often worse when standing as the veins have a harder time making the blood reach the heart. The pain can ease when legs are elevated, helping the blood flow to the heart.

In more serious cases of CVI, you may also experience a thickening of the skin on the legs and feet. You can also develop ulcers, these can be painful and if left can become infected.

Causes of Venous Insufficiency

Venous insufficiency is more common in people who have had previous leg conditions, especially a blood clot (deep vein thrombosis) or varicose veins. This is because the vein has been weakened and it now does not carry blood properly and the blood can leak through the damaged walls.

Similarly, if you have recently injured your leg or had surgery there is a possibility that you may develop the condition. This is again due to the vein being weakened or damaged.

There are a number of other health factors that, while they may not be the direct cause of the condition, certainly add to the chances of developing it. Weight is one of these; venous insufficiency is more common in people who are obese. 

Similarly, people who do little exercise or sit or stand for long periods of time are more likely to develop it as they are not helping the blood to move.

There is a hereditary link to the condition as well; it has been found that people who have venous insufficiency in their families are more likely to develop it themselves than people who have no history of it.

Venous Insufficiency Treatments

Discover the Various Treatments for Venous Insufficiency:-

There are various treatments for the condition, both non-surgical and surgical with varying levels of effectiveness.

Non-Surgical Treatments for Venous Insufficiency

Compression Stockings:-

This is the most common treatment for venous insufficiency. Compression stockings or socks apply pressure to the lower leg which improves blood flow and reduces swelling. They can be purchased from most pharmacies but it is important if you are dealing with venous insufficiency to get prescription socks from a doctor so you know you are getting one that is right for your condition.

Keep Blood Flowing

Doctors suggest several methods to help increase blood flow and get the blood pumping back to the heart. Keeping the foot elevated is one of them; you don’t have to do this all the time but if you can raise the leg above the heart for part of the day it should help the blood to flow.

Regular exercise also helps; as well as keeping you healthy it will help the blood pump and ensure you are not in a stationary position for too long, which can make the condition worse.

Manage Weight

Obesity can increase your chances of developing venous insufficiency as well as worsen the condition if you already have it. It is important to manage your weight and keep your body mass index (BMI) at a healthy level so as not to put more pressure on your veins than is necessary.

 A nutritious diet and regular exercise can help. A doctor or a dietician can provide advice on what the best weight for your height is and how to go about losing the weight.

Medication

Doctors can prescribe medicine to help combat venous insufficiency. This is usually some form of blood thinner which will help the blood to flow through the veins. Sometimes doctors will prescribe diuretics which draw excess body fluid through the kidneys. This should help to reduce the swelling in the foot area.

Sclerotherapy

If home remedies and compression stockings don’t work then your doctor may suggest sclerotherapy. This process involves injecting a chemical into the vein which will scar it, blocking the vein and sealing it so it can’t pump blood. This is usually done under local anaesthetic. You will be required to wear compression stockings for a few weeks after the procedure.

Surgical Treatments for Venous Insufficiency

Ablation

Ablation uses heat to seal off a vein. This is done with either laser or radiofrequency energy via a catheter inserted into the vein. The blood will no longer flow through it afterwards, moving through healthy veins instead.

Litgation

Vein litgation involves tying off the vein so blood is no longer pumped through it. It is similar to ablation in that the idea is that blood flows through other, healthy veins instead. 

It is done under local anaesthetic and involves making an incision in the leg and inserting an instrument to litgate it.

Valve Repair

If it is a valve causing the blood not to flow then this can sometimes be fixed. Doctors will either do it through an incision in the leg, like a litgation, or with a long catheter. The idea is to get the valve to pump the blood properly again so the vein can still be used.

Vein Stripping

If the vein is very damaged then the decision may be made to remove it altogether, this is known as vein stripping. Like litgation, an incision is made in the leg through which the vein is removed. This is only done in very bad cases but it can be effective as the whole of the unhealthy part is taken away; the blood then has no option but to flow through the remaining healthy veins.

I hope you like our article on critical venous insufficiency

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