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• W2128171021 abstract "PurposeTo compare the therapeutic effects of penetrating keratoplasty (PK) and deep anterior lamellar keratoplasty (DALK) on patients with macular corneal dystrophy (MCD) and to analyze the risk factors of postoperative recurrence.DesignRetrospective, interventional, comparative case series.ParticipantsFifty-one patients (78 eyes) with MCD treated by PK or DALK at Shandong Eye Institute between January 1992 and December 2010.MethodsThe medical records of the patients were reviewed retrospectively.Main Outcome MeasuresBest-corrected visual acuity, corneal endothelial density, complications, recurrence, graft survival, and risk factors for recurrence.ResultsPenetrating keratoplasty was performed in 57 eyes, and DALK was performed in 21 eyes. The mean follow-up time was 5.1±4.1 years (range, 1.0–18.0 years). The best-corrected visual acuity of the PK group was much better than that of the DALK group at 1, 2, 3, and 5 years. The corneal endothelial density was reduced to 1000 cells/mm2 or less within 5 years in 21.6% (11/51) of eyes treated by PK and in none of the eyes treated by DALK. The 1-year incidence rate of complications was 21.1% in the PK group, higher than the 4.8% rate in the DALK group. At the last visit, the rate of graft clarity was 87.7% and 85.7% in the 2 groups, respectively. Ten eyes (17.5%) treated by PK had recurrent MCD, with a rate of 0.8%, 7.7%, and 40% at 1, 5, and 10 years, respectively, whereas 9 eyes (42.9%) treated by DALK demonstrated recurrence, with a rate of 14.3% and 49.5% at 1 and 5 years, respectively. The recurrence risk was higher in patients whose age was 18 years or younger at onset or younger than 30 years at surgery. The recurrence risk after DALK was 5.066 times higher than that after PK.ConclusionsPenetrating keratoplasty more often immediately improves the visual acuity of patients with MCD, but many complications seem to be inevitable, especially continuous loss of corneal endothelium. Despite poor visual acuity and recurrence after surgery, DALK may produce fewer complications overall and more durable stability of the ocular surface compared with PK. The selection of PK or DALK for MCD should depend on the actual need and situation of certain patients.Financial Disclosure(s)The author(s) have no proprietary or commercial interest in any materials discussed in this article. To compare the therapeutic effects of penetrating keratoplasty (PK) and deep anterior lamellar keratoplasty (DALK) on patients with macular corneal dystrophy (MCD) and to analyze the risk factors of postoperative recurrence. Retrospective, interventional, comparative case series. Fifty-one patients (78 eyes) with MCD treated by PK or DALK at Shandong Eye Institute between January 1992 and December 2010. The medical records of the patients were reviewed retrospectively. Best-corrected visual acuity, corneal endothelial density, complications, recurrence, graft survival, and risk factors for recurrence. Penetrating keratoplasty was performed in 57 eyes, and DALK was performed in 21 eyes. The mean follow-up time was 5.1±4.1 years (range, 1.0–18.0 years). The best-corrected visual acuity of the PK group was much better than that of the DALK group at 1, 2, 3, and 5 years. The corneal endothelial density was reduced to 1000 cells/mm2 or less within 5 years in 21.6% (11/51) of eyes treated by PK and in none of the eyes treated by DALK. The 1-year incidence rate of complications was 21.1% in the PK group, higher than the 4.8% rate in the DALK group. At the last visit, the rate of graft clarity was 87.7% and 85.7% in the 2 groups, respectively. Ten eyes (17.5%) treated by PK had recurrent MCD, with a rate of 0.8%, 7.7%, and 40% at 1, 5, and 10 years, respectively, whereas 9 eyes (42.9%) treated by DALK demonstrated recurrence, with a rate of 14.3% and 49.5% at 1 and 5 years, respectively. The recurrence risk was higher in patients whose age was 18 years or younger at onset or younger than 30 years at surgery. The recurrence risk after DALK was 5.066 times higher than that after PK. Penetrating keratoplasty more often immediately improves the visual acuity of patients with MCD, but many complications seem to be inevitable, especially continuous loss of corneal endothelium. Despite poor visual acuity and recurrence after surgery, DALK may produce fewer complications overall and more durable stability of the ocular surface compared with PK. The selection of PK or DALK for MCD should depend on the actual need and situation of certain patients." @default.
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• W2128171021 title "Comparison of Penetrating Keratoplasty and Deep Lamellar Keratoplasty for Macular Corneal Dystrophy and Risk Factors of Recurrence" @default.
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