Varicose Veins and Spider Veins
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What are varicose veins and spider veins?
What causes varicose veins and spider veins?
How common are abnormal leg veins?
Who usually has varicose veins and spider veins?
Why do varicose veins and spider veins usually appear in the legs?
Are varicose veins and spider veins painful or dangerous?
What are the signs of varicose veins?
How can I prevent varicose veins and spider veins?
Should I see a doctor about varicose veins?
How are varicose and spider veins treated?
Can varicose and spider veins return even after treatment?
What are varicose veins and spider veins?
Varicose veins are enlarged veins that can be flesh colored, dark purple or
blue. They often look like cords and appear twisted and bulging. They are
swollen and raised above the surface of the skin. Varicose veins are commonly
found on the backs of the calves or on the inside of the leg. During pregnancy,
varicose veins called hemorrhoids can form in the vagina or around the anus.
Spider veins are similar to varicose veins, but they are smaller. They are
often red or blue and are closer to the surface of the skin than varicose veins.
They can look like tree branches or spider webs with their short jagged lines.
Spider veins can be found on the legs and face. They can cover either a very
small or very large area of skin.
What causes varicose veins and spider veins?
The heart pumps blood filled with oxygen and nutrients to the whole body.
Arteries carry blood from the heart towards the body parts. Veins carry
oxygen-poor blood from the body back to the heart.
The squeezing of leg muscles pumps blood back to the heart from the lower
body. Veins have valves that act as one-way flaps. These valves prevent the
blood from flowing backwards as it moves up the legs. If the one-way valves
become weak, blood can leak back into the vein and collect there. This problem
is called venous insufficiency. Pooled blood enlarges the vein and it becomes
varicose. Spider veins can also be caused by the backup of blood. Hormone
changes, inherited factors, and exposure to the sun can also cause spider
veins.
How common are abnormal leg veins?
About 50 to 55% of American women and 40 to 45% of American men suffer from
some form of vein problem. Varicose veins affect 1 out of 2 people age 50 and
older.
Who usually has varicose veins and spider veins?
Many factors increase a person's chances of developing varicose or spider
veins. These include:
- Increasing Age
- Having family members with vein problems or being born with weak vein
valves
- Hormonal changes. These occur during puberty, pregnancy, and menopause.
Taking birth control pills and other medicines containing estrogen and
progesterone also increase the risk of varicose or spider veins
- Pregnancy. During pregnancy there is a huge increase in the amount of
blood in the body. This can cause veins to enlarge. The expanding uterus also
puts pressure on the veins. Varicose veins usually improve within 3 months
after delivery. A growing number of abnormal veins usually appear with each
additional pregnancy
- Obesity, leg injury, prolonged standing and other things that weaken vein
valves
- Sun exposure, which can cause spider veins on the cheeks or nose of a
fair-skinned person
Why do varicose veins and spider veins usually appear in the
legs?
The force of gravity, the pressure of body weight, and the task of carrying
blood from the bottom of the body up to the heart make legs the primary location
for varicose and spider veins. Compared with other veins in the body, leg veins
have the toughest job of carrying blood back to the heart. They endure the most
pressure. This pressure can be stronger than the veins' one-way valves.
Are varicose veins and spider veins painful or dangerous?
Spider veins usually do not need medical treatment. But varicose veins
usually enlarge and worsen over time. Severe varicose veins can cause health
problems. These include:
- Severe venous insufficiency. This severe pooling of blood in the veins
slows the return of blood to the heart. This condition can cause blood clots
and severe infections. Blood clots can be very dangerous because they can move
from leg veins and travel to the lungs. Blood clots in the lungs are
life-threatening because they can block the heart and lungs from functioning.
- Sores or skin ulcers can occur on skin tissue around varicose veins.
- Ongoing irritation, swelling and painful rashes of the legs.
What are the signs of varicose veins?
Some common symptoms of varicose veins include:
- Aching pain
- Easily tired legs
- Leg heaviness
- Swelling in the legs
- Darkening of the skin (in severe cases)
- Numbness in the legs
- Itching or irritated rash in the legs
How can I prevent varicose veins and spider veins?
Not all varicose and spider veins can be prevented. But some things can
reduce your chances of getting new varicose and spider veins. These same things
can help ease discomfort from the ones you already have:
- Wear Sunscreen to protect your skin from the sun and to limit spider veins
on the face.
- Exercise regularly to improve your leg strength, circulation, and vein
strength. Focus on exercises that work your legs, such as walking or running.
- Control your weight to avoid placing too much pressure on your legs.
- Do not cross your legs when sitting.
- Elevate your legs when resting as much as possible.
- Do not stand or sit for long periods of time. If you must stand for a long
time, shift your weight from one leg to the other every few minutes. If you
must sit for long periods of time, stand up and move around or take a short
walk every 30 minutes.
- Wear elastic support stockings and avoid tight clothing that constricts
your waist, groin, or legs.
- Eat a low-salt diet rich in high-fiber foods. Eating fiber reduces the
chances of constipation which can contribute to varicose veins. High fiber
foods include fresh fruits and vegetables and whole grains, like bran. Eating
too much salt can cause you to retain water or swell.
Should I see a doctor about varicose veins?
Remember these important questions when deciding whether to see your
doctor:
Has the varicose vein become swollen, red, or very tender or warm to the
touch?
- If yes, see your doctor.
- If no, are there sores or a rash on the leg or near the ankle with the
varicose vein, or do you think there may be circulation problems in your feet?
- If yes, see your doctor.
- If no, continue to follow the self-care tips above.
How are varicose and spider veins treated?
Besides a physical exam, your doctor can take x-rays or ultrasound pictures
of the vein to find the cause and severity of the problem. You may want to speak
with a doctor who specializes in vein diseases or phlebology. Talk to your
doctor about what treatment options are best for your condition and lifestyle.
Not all cases of varicose veins are the same.
Some available treatments include:
Sclerotherapy
This is the most common treatment for both spider veins and varicose veins.
The doctor injects a solution into the vein that causes the vein walls to swell,
stick together, and seal shut. This stops the flow of blood and the vein turns
into scar tissue. In a few weeks, the vein should fade. The same vein may need
to be treated more than once.
This treatment is very effective if done the right way. Most patients can
expect a 50% to 90% improvement. Microsclerotherapy uses special solutions and
injection techniques that increase the success rate for removal of spider veins.
Sclerotherapy does not require anesthesia, and can be done in the doctor's
office.
Possible side effects include:
- Temporary stinging or painful cramps where the injection was made
- Temporary red raised patches of skin where the injection was made
- Temporary small skin sores where the injection was made
- Temporary bruises where the injection was made
- Spots around the treated vein that usually disappear
- Brown lines around the treated vein that usually disappear
- Groups of fine red blood vessels around the treated vein that usually
disappear
The treated vein can also become inflamed or develop lumps of clotted blood.
This is not dangerous. Applying heat and taking aspirin or antibiotics can
relieve inflammation. Lumps of coagulated blood can be drained.
Laser surgery
New technology in laser treatments can effectively treat spider veins in the
legs. Laser surgery sends very strong bursts of light onto the vein. This can
makes the vein slowly fade and disappear. Lasers are very direct and accurate.
So the proper laser controlled by a skilled doctor will usually only damage the
area being treated. Most skin types and colors can be safely treated with
lasers.
Laser surgery is more appealing to some patients because it does not use
needles or incisions. Still, when the laser hits the skin, the patient feels a
heat sensation that can be quite painful. Cooling helps reduce the pain. Laser
treatments last for 15 to 20 minutes. Depending on the severity of the veins,
two to five treatments are generally needed to remove spider veins in the legs.
Patients can return to normal activity right after treatment, just as with
sclerotherapy. For spider veins larger than 3 mm, laser therapy is not very
practical.
Possible side effects of laser surgery include:
- Redness or swelling of the skin right after the treatment that disappears
within a few days.
- Discolored skin that will disappear within one to two months.
- Rarely burns and scars result from poorly performed laser surgery.
Endovenous Techniques (radiofrequency and laser) – These methods for
treating the deeper varicose veins of the legs (the saphenous veins) have been
a huge breakthrough. They have replaced surgery for the vast majority of
patients with severe varicose veins. This technique is not very invasive and
can be done in a doctor’s office.
The doctor puts a very small tube called a catheter into the vein. Once
inside, the catheter sends out radiofrequency or laser energy that shrinks and
seals the vein wall. Healthy veins around the closed vein restore the normal
flow of blood. As this happens, symptoms from the varicose vein improve. Veins
on the surface of the skin that are connected to the treated varicose vein will
also usually shrink after treatment. When needed, these connected varicose veins
can be treated with sclerotherapy or other techniques.
Possible side effect is slight bruising.
Endovenous Techniques (radiofrequency
and laser)
These methods for treating the deeper varicose veins of the legs (the
saphenous veins) have been a huge breakthrough. They have replaced surgery for
the vast majority of patients with severe varicose veins. This technique is not
very invasive and can be done in a doctor’s office.
The doctor puts a very small tube called a catheter into the vein. Once
inside, the catheter sends out radiofrequency or laser energy that shrinks and
seals the vein wall. Healthy veins around the closed vein restore the normal f
low of blood. As this happens, symptoms from the varicose vein improve. Veins on
the surface of the skin that are connected to the treated varicose vein will
also usually shrink after treatment. When needed, these connected varicose veins
can be treated with sclerotherapy or other techniques.
Possible side effects:
● Slight bruising.
Surgery
Surgery is used mostly to treat very large varicose veins. Types of surgery
for varicose veins include:
Surgical Ligation and Stripping - With this treatment,
problematic veins are tied shut and completely removed from the leg. Removing
the veins does not affect the circulation of blood in the leg. Veins deeper in
the leg take care of the larger volumes of blood. Most varicose veins removed by
surgery are surface veins and collect blood only from the skin. This surgery
requires either local or general anesthesia and must be done in an operating
room on an outpatient basis.
Possible side effects: Serious side effects or problems from this surgery are
uncommon.
- With general anesthesia, a risk of heart and breathing problems.
- Bleeding and congestion of blood can be a problem. But the collected blood
usually settles on its own and does not require any further treatment.
- Wound infection, inflammation, swelling and redness.
- Permanent scars.
- Damage of nerve tissue around the treated vein. It is hard to avoid
harming small nerve branches when veins are removed. This damage can cause
numbness, burning, or a change in sensation around the surgical scar.
- A deep vein blood clot. These clots can travel to the lungs and heart.
Injections of heparin, a medicine that reduces blood clotting reduce the
chance of these dangerous blood clots. But, heparin also can increase the
normal amount of bleeding and bruising after surgery.
- Significant pain in the leg and recovery time of one to four weeks
depending on the extent of surgery is typical after surgery.
Ambulatory Phlebectomy – With this surgery, a special light
source marks the location of the vein. Tiny cuts are made in the skin, and
surgical hooks pull the vein out of the leg. This surgery requires local or
regional anesthesia. The vein usually is removed in one treatment. Very large
varicose veins can be removed with this treatment while leaving only very small
scars. Patients can return to normal activity the day after treatment.
Possible Side Effects:
- Slight bruising
- Temporary numbness
Endoscopic vein surgery – With this surgery, a small video
camera is used to see inside the veins. Then varicose veins are removed through
small cuts. People who have this surgery must have some kind of anesthesia
including epidural, spinal, or general anesthesia. Patients can return to normal
activity within a few weeks.
Can varicose and spider veins return even after
treatment?
Current treatments for varicose veins and spider veins have very high success
rates compared to traditional surgical treatments. Over a period of years,
however, more abnormal veins can develop. The major reason for this is that
there is no cure for weak vein valves. So with time, pressure gradually builds
up in the leg veins. Ultrasound can be used to keep track of how badly the
valves are leaking (venous insufficiency). Ongoing treatment can help keep this
problem under control.
The single most important thing a person can do to slow down the development
of new varicose veins is to wear graduated compression support stockings as much
as possible during the day.
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