European journal of ophthalmology · 2020
Suturing large therapeutic corneal grafts based on donor size: A simplified technique for the novice corneal surgeon.
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Bafna Rahul Kumar, Kalra Nidhi, Asif Mohamed Ibrahime, Lata Suman, Rathod Aishwarya, Balaji Akshaya, Sharma Namrata
Аннотация
PURPOSE: We describe a simple technique for achieving radial and equally spaced sutures by novice corneal surgeon in cases of large penetrating keratoplasties.
METHOD: A simple mathematical equation was derived for precise calculation of spacing between interrupted sutures in large grafts (n = 50). The ubiquitous and easily available Castroviejo calipers were used to mark the donor cornea according to the derived formula. Interrupted sutures were passed over the pre-marked points and tied. Radiality was assessed in the post-operative period.
RESULTS: A total of 50 eyes undergoing therapeutic keratoplasty with graft size between 9 and 12 mm were enrolled. Equally spaced and radially aligned sutures were achieved in all cases postoperatively with watertight apposition of the graft host junction using our simple technique.
CONCLUSION: The Castroviejo caliper can be effectively used for equidistant spacing of interrupted sutures in large therapeutic grafts by a novice surgeon thereby simplifying the procedure and reducing the surgical time.
METHOD: A simple mathematical equation was derived for precise calculation of spacing between interrupted sutures in large grafts (n = 50). The ubiquitous and easily available Castroviejo calipers were used to mark the donor cornea according to the derived formula. Interrupted sutures were passed over the pre-marked points and tied. Radiality was assessed in the post-operative period.
RESULTS: A total of 50 eyes undergoing therapeutic keratoplasty with graft size between 9 and 12 mm were enrolled. Equally spaced and radially aligned sutures were achieved in all cases postoperatively with watertight apposition of the graft host junction using our simple technique.
CONCLUSION: The Castroviejo caliper can be effectively used for equidistant spacing of interrupted sutures in large therapeutic grafts by a novice surgeon thereby simplifying the procedure and reducing the surgical time.