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Still, skin banks are sometimes depleted, and the New York burn
team, like other burn units, is turning more and more to
substitutes for cadaver skin. Cornell's Staiano-Coico was part
of the first research team to report success with grafts grown
in culture from bits of cadaver skin, and describes them as
"biological Band-Aids to provide growth factors to the wound to
help increase the healing process." Other groups have used skin
taken from raised blisters on unrelated, live donors and
cultured into sheets in the laboratory. In both procedures, only
the patient's cells remain in the healed wound after about two
weeks.
Commercial skin substitutes for both the epidermis and dermis
are also becoming widely available. One epidermal substitute is
made of silicone, whereas the dermal varieties can consist of
nylon or of collagen taken from cows, pigs or cadavers. Explains
Staiano-Coico: "A lot of the dermal substitutes are like
scaffolds, so the body can come in and use that matrix to
rebuild its own dermis." Eventually, as healing takes place, the
artificial structures are absorbed or surgically removed.
The New York burn team abounds with other specialists. Within a
day after surgery, a physical therapist visits a burn patient to
see whether the injury has affected the fingers, knees, ankles
or other joints. If it has, the therapist begins guiding the
patient through some simple daily exercises that involve working
the joints to prevent natural shrinkage and the resulting loss
of flexibility that can occur as the body heals.
Another team member, Joyce Scheimberg, is one of the few social
workers to be found in any hospital trauma unit. Yet her
presence makes good sense. Since house fires are the most common
cause of burns in the U.S., many victims have lost their homes
and most of their belongings. Other family members may also have
been injured in the blaze. "Everyone who comes in here is an
emergency situation," says Scheimberg, who acts as the liaison
between the patient and his family, the hospital staff,
insurance companies, lawyers, emergency community services and
other pertinent agencies. In her role, Scheimberg is all too
aware that the burn victim may not recover--or at least may not
recover enough to return to the job. "You don't know what the
future will bring," she says, "but we at the burn unit are all
eternal optimists."
That optimism pervades the New York Hospital-Cornell Medical
Center burn unit, and more often than not, it is justified by
the sight of recovered burn patients ready once more to lead
normal lives.
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