Purpose. To describe the techniques proposed for performing deep lamellar keratoplasty (DLK) and to evaluate the efficacy of a new, modified technique. Methods. Fourteen eyes in 11 patients with keratoconus of moderate degree were included. All patients underwent a DLK with manual dissection from a limbal side port after an air bubble injection in the anterior chamber. All patients had complete ophthalmologic examination 6 months after the suture removal, evaluating best corrected visual acuity, corneal thickness, endothelial cell count, and topographic astigmatism. Results. One case (7.1%) was converted to penetrating keratoplasty because of microperforation. In the 13 successful cases, 10 eyes (71.4%) achieved 20/30 or better 6 months after suture removal. Mean postoperative pachymetry was 628.39 (SD 57.34). Specular microscopy 6 months after suture removal revealed average endothelial cell count of 2261 (SD 287/mm2). Conclusions. Comparing this modified DLK technique with other methods proposed by several authors, air-guided DLK seems to be safe and effective and, after a short learning curve, can be performed with a low risk of conversion to penetrating keratoplasty.

Caporossi, A., Balestrazzi, A., Simi, C., Caporossi, T., & Traversi, C. (2005). Manual deep lamellar keratoplasty: alternative methods and air-guided technique. TRANSPLANTATION PROCEEDINGS, 37(6), 2697-2701 [10.1016/j.transproceed.2005.06.033].

Manual deep lamellar keratoplasty: alternative methods and air-guided technique.

BALESTRAZZI, ANGELO;TRAVERSI, CLAUDIO
2005

Abstract

Purpose. To describe the techniques proposed for performing deep lamellar keratoplasty (DLK) and to evaluate the efficacy of a new, modified technique. Methods. Fourteen eyes in 11 patients with keratoconus of moderate degree were included. All patients underwent a DLK with manual dissection from a limbal side port after an air bubble injection in the anterior chamber. All patients had complete ophthalmologic examination 6 months after the suture removal, evaluating best corrected visual acuity, corneal thickness, endothelial cell count, and topographic astigmatism. Results. One case (7.1%) was converted to penetrating keratoplasty because of microperforation. In the 13 successful cases, 10 eyes (71.4%) achieved 20/30 or better 6 months after suture removal. Mean postoperative pachymetry was 628.39 (SD 57.34). Specular microscopy 6 months after suture removal revealed average endothelial cell count of 2261 (SD 287/mm2). Conclusions. Comparing this modified DLK technique with other methods proposed by several authors, air-guided DLK seems to be safe and effective and, after a short learning curve, can be performed with a low risk of conversion to penetrating keratoplasty.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11365/10666
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