Kids' wounds may heal in no time, but as you age—particularly
if you have diabetes or at risk for venous or artery
diseases—you're more likely to develop wounds in your legs
and feet that are slow to heal and can cause serious health
problems.
Fortunately, these wounds (or ulcers) can be treated effectively
if caught early. Better yet, they can often be prevented.
"When you look at what's presented at wound clinics, all of
these are very common and, for diagnosis, a problem," says
Teresa L. Carman, MD, Director of Vascular Medicine at
University Hospitals Case Medical Center in Cleveland, Ohio.
"Venous wounds are probably the most frequently occurring;
they're also usually the easiest to heal."
Categories of wounds The three most common types of lower extremity (lower leg) wounds are:
Venous (due to prior DVT or venous insufficiency)
Neuropathic (generally related to diabetes)
Artery (due to PAD or reduced blood flow to the legs)
Risk on the rise
Perhaps one of the top risk factors for lower extremity
wounds is advancing age.
"We're seeing an increasing number and an increasing risk
of wounds for our aging population," says Dr. Carman. "As people get older, they're less mobile and they tend to
have co-existing medical problems which make them
predisposed."
Co-existing conditions behind lower extremity
wounds include venous disease, diabetes and
peripheral artery disease (PAD). It's possible that
some people with those underlying conditions may
be undiagnosed. Therefore, high blood pressure,
high cholesterol and smoking can also be considered
potential risk factors for not only vascular disease but
lower extremity wounds as well.
Hot spots
Lower extremity wounds can be treated fairly
easily when caught early, so an important part of
detection is keeping an eye on the areas where
they're likely to crop up. It's important to keep in
mind the different types of lower extremity wounds
because they influence where on your legs or feet
you're likely to find wounds, should they develop.
"Venous wounds are typically over the inside of
the ankles; neuropathic wounds are usually over
bony prominences in the feet where there's pressure
that's not well-managed; and artery wounds can be
anywhere, but they predominate over the feet and
toes," explains Dr. Carman.
If you have any of the risk factors for lowerextremity
wounds, you should check these areas on
a regular basis. Diabetics, in particular, need to make
foot monitoring a habit.
"Diabetics, because they frequently don't have
good sensation in their feet, need to look at their feet
every single day to make sure they don't have any
areas where the foot is red or feels warm," says Dr.
Carman. "They should also be on the lookout for
areas where a callous is coming along because that indicates
they have pressure issues." They should also
inspect their shoes regularly before putting them on.
Because of their neuropathy, small objects (pebbles
for example) can cause problems over time for the
diabetic patient who may not feel them in their shoes.
People with diabetes should also visit their podiatrist
every three months for nail care and shoe evaluation,
recommends Dr. Carman.
Other types of wounds—especially venous
wounds—may show up without any heralding signs,
points out Dr. Carman. So while precursor symptoms
are unlikely, you should check your legs and feet
regularly so that you'll notice any new wounds right
away.
Avoiding complications
When wounds are treated early, they usually
mend effectively, says Dr. Carman. "When a wound
is in the very acute, new stage, the body tends to heal
it very quickly—as if it were an injury," she explains.
"Wounds that are allowed to persist for more than
4-6 weeks don't want to heal as well. At that point, a
wound becomes chronic and there tends to be delay
in and resistance to healing."
In addition to becoming chronic, other dangers of
unaddressed wounds include infection and—in the
worst-case scenario—amputation.
If an infection occurs, you may notice symptoms
such as pain, redness and a foul-smelling discharge
coming from the wound. Such symptoms mean
you need to see your healthcare provider right away.
Another indicator that the wound has advanced is a
change in color. Any wound that has turned black or
yellow (or green) needs to be addressed immediately
as well.
"There are a lot of potential problems if wounds
are left untreated," says Dr. Carman. "If it's over
a bony prominence or on the foot, and the infection
gets down into the bone (a condition known as
osteomyelitis), then a patient can be at risk for losing
a portion of the toe, foot or even the leg. That doesn't
happen often, but that's always the potential."
Prevention is possible
Fortunately, it's often possible to prevent wounds
from occurring in the first place. To do so, you need to
take the proper precautions for your condition.
"Most venous patients should sleep with the foot
of their bed elevated," says Dr. Carman. "Otherwise,
they're at risk for swelling, and that swelling puts
them at risk for wounds. Using compression is a
must."
Another component of wound prevention
is skin care. "Patients need to pay very close
attention to their skin," she says. "They need
to keep it (skin) well moisturized so that it
doesn't crack, dry, fissure or split."
Making sure toenails are properly trimmed by a
healthcare professional is an important component
of wound prevention for diabetics, as is choosing
adequate footwear.
In fact, wearing proper shoes is highly important
for people with artery conditions as well.
"Patients with underlying artery disease need to
be very careful because even a small amount of
trauma from an ill-fitting shoe can actually cause
a very serious wound," says Dr. Carman. "So,
similarly, they need to be very careful with their
feet and protect them."
By following these precautions, it's possible
to prevent many lower extremity wounds and
the dangers that can follow them. Contact your
health care provider to discuss foot and leg care in
further detail.
Winter 2012 • Volume 2 Number 2
In This Issue
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Save a heart Quit smoking and improve your vascular health
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Heads up Everything you need to know about brain aneurysms.