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Outcomes of the Boston keratoprosthesis in jordan
Wisam A Shihadeh1, Hasan M Mohidat
1Department of Ophthalmology, Jordan University of Science and Technology, King Abdullah University Hospital, Irbid, Jordan.
Purpose:
To report the indications, outcomes, and complications of the Boston type I keratoprosthesis (KPro) from the first Jordanian study on the subject.
Materials And Methods:
A retrospective chart review was conducted on 20 eyes of 19 consecutive patients who had Boston type I KPro implantation at King Abdullah University Hospital. Surgeries were performed by the same surgeon (WS) from November 2007 to March 2010. Data collected included age, sex, primary indication, number of previous grafts, preoperative comorbidities, visual acuity before and after surgery, and complications.
Results:
The mean age of the participants was 51.7±19.9 years (range: 10-80 years). The mean follow-up was 18.1±9.5 months (range: 3-6 months). The most common primary corneal pathology was vascularized corneal opacity (40%). Best corrected visual acuity (BCVA) improved significantly in 85% of eyes; 65% had a BCVA of 20/200 or better and 25% had a BCVA of 20/50 or better. The most frequent complication was retroprosthesis membrane (RPM) formation, which occurred in 45% of eyes. Two eyes (10%) had implant extrusion and required further surgery.
Conclusion:
Boston Kpro offers a reasonably safe and effective solution for patients with corneal blindness in whom the prognosis for natural corneal grafting is poor.
