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New treatment for eye patients
Sunday May 27, 2012 10:02:18 AM,
IANS
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Kolkata: An eye
hospital in Kolkata has introduced an innovative method of 'Auto
blood Conjunctival Graft Fixation' surgery for treating Pterygium
patients with their blood.
Pterygium is a wing-shaped fibro vascular tissue encroaching on to
cornea from the nasal or temporal side causing visual disturbance,
irritation and redness of eye.
"The idea of using natural blood clot as tissue adhesive is
derived to provide the benefits of glue fixation to the patients
minus drawbacks," said Santanu Mitra, senior consultant - cataract
and occuloplasty services, Disha Eye Hospitals & Research centre.
"Once the Pteryium is excised and the recipient bed is bare, a
thin film of blood oozing in the surgical field is allowed to form
clot over the area. Then the graft is harvested is aligned over
the clotted blood. This is a 'no suture no glue' graft fixation
technique," said Mitra.
Exposure to ultraviolet radiation, tropical atmosphere, excess
outdoor exposure to sunlight and wind are some of factors behind
the occurrence of this disease.
Various surgical procedures have been tried in the past but most
of them have been discarded due to high recurrence rate or
blinding side effects. Two of the most popular methods are
grafting with healthy conjunctiva harvested from the other part of
the eye and usage of fibrin glue for conjunctival graft fixation.
"But both the methods have some problems. The first one leaves
behind symptoms like pain, redness of eye, watering and foreign
body sensation. The fibre in glue is not readily available and
carries the potential risk of disease transmission as it is
derived from two clotting factors derived from human blood," Mitra
said.
He said due to the disadvantages of both the methods the procedure
of 'Auto blood Conjunctival Graft Fixation' Surgery was invented.
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