Use of human processed pericardium to cover over the area of incision following pterygium excision appears to be safe, but is associated with a high rate of recurrence.
The strategy should only be used to manage recurrent pterygium when conjunctival autografting is not an option, say researchers at the University of Sao Paulo, in Sao Paulo, Brazil, and the University of California, in Davis, California, United States.
Twenty-five eyes (25 patients, average age of 50) underwent bare-sclera surgery for removal of recurrent pterygium. Following the surgery, processed human pericardium was sutured to cover the incision. Neither adjuvant radiation nor antimetabolite was administered, and the pericardium was not covered with conjunctiva.
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