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Penetrating Keratoplasty Versus Lamellar Keratoplasty for Mustard Gas-Induced Keratitis.
MedLine Citation:
PMID:  23023404     Owner:  NLM     Status:  Publisher    
PURPOSE:: To compare the outcomes of penetrating keratoplasty (PK) and lamellar keratoplasty (LK) in patients with mustard gas keratitis. METHODS:: A total of 78 eyes of 55 patients with mustard gas keratitis were included. Of these eyes, 27 (34.6%) underwent PK and 51 (63.4%) received LK. Keratolimbal allografts were performed in 11 and 30 eyes of the PK and LK groups, respectively. The study groups were compared in terms of best spectacle-corrected visual acuity, refractive error, and keratometry readings. The Kaplan-Meier survival curve and log-rank test were used to evaluate and compare the cumulative incidence of rejection-free graft survival and graft survival in PK and LK. RESULTS:: At the time of keratoplasty, the mean patient ages were 40.3 ± 4.5 years and 43.4 ± 8.3 years in the PK and LK groups, respectively (P = 0.08). The patients were followed-up for 53.2 ± 27.5 and 40.4 ± 29.6 months, respectively (P = 0.09). At the last follow-up, the 2 study groups were comparable with respect to best spectacle-corrected visual acuity (P = 0.87), refraction (P = 0.08), and keratometric astigmatism (P = 0.27). At the 33-month follow-up examination, the rejection-free graft survival rates were 33.6% in the PK group and 90% in the LK group, with mean durations of 34.6 and 84.8 months, respectively (P < 0.001). Moreover, the graft survival rates were 77.3% and 91.7%, with mean durations of 67.5 and 76.1 months, respectively (P = 0.03). Three eyes that had received LK underwent PK because of significant interface haziness. CONCLUSIONS:: LK is preferred to PK in the majority of mustard gas victims. However, PK should always be performed in certain conditions.
Sepehr Feizi; Mohammad A Javadi; Mohammad R Jafarinasab; Farid Karimian
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-27
Journal Detail:
Title:  Cornea     Volume:  -     ISSN:  1536-4798     ISO Abbreviation:  Cornea     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-10-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8216186     Medline TA:  Cornea     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Ophthalmic Research Center, Ophthalmology Department, Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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