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Visual acuity and endothelial cell density with respect to the graft thickness in Descemet's stripping automated endothelial keratoplasty: one year results

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International Journal of Ophthalmology(English edition) 2014年第6期7卷 974-979页

作者： banu torun acar Mehmet Orcun Akdemir Suphi acar Ophthalmology Clinic Haydarpasa Numune Research and Education Hospital Department of Ophthalmology School of MedicineBulent Ecevit University

AIM: To evaluate the visual acuity and endothelial cell density according to the thickness in Descemet’s stripping automated endothelial keratoplasty(DSAEK)one year after ***: DSAEK patients’ data were reviewed. Thirty seven eyes of 37 patients who underwent DSAEK for pseudophakic bullous keratopathy(PBK) were included in this study. Graft thickness was measured with optical coherence tomography(OCT) 12 mo after DSAEK. Eyes were divided into 3 groups based on the graft thickness:thick(>200 μm), medium-thick(150-200 μm) and thin(<150 μm). Best corrected visual acuity(BCVA),endothelial cells density(ECD) and complications were assessed and comparisons were done between ***: Median thickness of postoperative grafts was 188(range 73-317 μm). There was no significant difference in age, sex, preoperative BCVA, or follow-up period between DSAEK groups. At postoperative 12 mo,mean BCVA was 0.28±0.10 in thick graft group, 0.52±0.08 in medium-thick graft group, and 0.72 ±0.06 in thin graft group. Thin grafts showed better postoperative BCVA as compared with the medium-thick and thick grafts(P =0.001). Thick graft group had 1637.44 ±88.19-mm2,medium thick graft had 1764.50±34.28-mm2 and thin graft group had 1845.30 ±65.62-mm2. Thin graft group had better ECD at 12 mo after surgery(P =0.001).CONCLUSION: Thin grafts after DSAEK ensure better visual rehabilitation. Eyes with thin grafts had significantly lesser loss of ECD compared to eyes withmedium-thick and thick grafts one year after surgery.

关键词： Corneal endothelial cell density Descemet's stripping endothelial keratoplasty graft thickness visual acuity

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Changes in endothelial cell density following penetrating keratoplasty and deep anterior lamellar keratoplasty

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International Journal of Ophthalmology(English edition) 2011年第6期4卷 644-647页

作者： banu torun acar Ece Turan Vural Suphi acar Ophthalmology Clinic Haydarpasa Numune Education and Research Hospital

· AIM: To compare the corneal endothelial cell density (ECD) of clear grafts after penetrating keratoplasty (PK) and deep anterior lamellar keratoplasty (DALK). · METHODS: The study included 44 and 54 patients treated with PK and DALK, respectively, between March 2006 and April 2010. Corneal ECD was examined using specular microscopy at postoperative 1, 3, 6, 12, and 18 months, and the values were compared. · RESULTS: Corneal ECD reduction in the PK group was 7.4%, 15.2%, 23.5%, and 28.9% at 3, 6, 12 and 18 months respectively after surgery, compared with 4.2 % in the first month (P 0.05). · CONCLUSION: Compared with DALK,PK significantly reduced ECD of the clear grafts. These results suggest that survival of endothelial cells in grafts is better after DALK than after PK. ·

关键词： lamellar keratoplasty penetrating keratoplasty endothelial cell density specular microscopy

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Contact lens impact on quality of life in keratoconus patients: rigid gas permeable versus soft siliconehydrogel keratoconus lenses

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International Journal of Ophthalmology(English edition) 2015年第5期8卷 1074-1077页

作者： Elvin Hatice Yildiz Mesut Erdurmus Emine Savran Elibol banu acar Ece Turan Vural Department of Ophthalmology Ministry of HealthyHaydarpasa Numune Training and Research Hospital Department of Ophthalmology Bolu Abant Izzet Baysal School of Medicine

AIMTo determine the impact of rigid gas permeable (RGP) and silicone-hydrogel keratoconus lenses on the quality of life (QoL) in keratoconus (KCN) patients using the self-reported results from the Contact Lens Impact on Quality of Life (CLIQ) *** January 2013 to April 2013, 27 consecutive KCN patients who wore RGP contact lenses (conflexair100 UV KE Zeiss-Wöhlk) or soft silicone-hydrogel contact lenses (SHCLs) for KCN (KeraSoft IC- Bausch&Lomb or Hydrocone Toris K-Swiss lens) completed the CLIQ *** mean age of 27 patients was 29.6±8.0y. Fifteen patients were RGP user. The groups were comparable with respect to the mean patient age, sex, and mean K values (P=0.1, P=0.8 and P=0.1, respectively). The mean CLIQperson measure was 42.8±5.5 in RGP group and 39.6±5.5 in SHCLs for KCN group (P=0.06). CLIQperson measure was positively correlated with steep K value (r=0.301, P=0.04). When eyes were stratified by visual acuity with contact lenses, the mean CLIQperson measure was 42.01±5.6 in eyes with a visual acuity of 20/20-20/25 (n=44) and 38.4±5.26 in eyes with a visual acuity of 20/32 or less (n=10; P=0.097).CONCLUSIONRGP lenses and SHCLs for KCN have similar impact on QoL.

关键词： silicone hydrogel contact lens rigid gas permeable quality of life keratoconus

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Epinephrine plus argon plasma or heater probe coagulation in ulcer bleeding

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World Journal of Gastroenterology 2011年第36期17卷 4109-4112页

作者： Ahmet Karaman Mevlut Baskol Sebnem Gursoy Edip torun Alper Yurci banu Demet Ozel Kadri Guven Omer Ozbakir Mehmet Yucesoy Department of Gastroenterology Erciyes University38030 KayseriTurkey

AIM:To compare the effectiveness of argon plasma coagulation (APC) and heater probe coagulation (HPC) in non-variceal upper gastrointestinal ***:Eighty-five (18 female,67 male) patients admitted for acute gastrointestinal bleeding due to gastric or duodenal ulcer were included in the *** endoscopy was performed and HPC or APC were chosen randomly to stop the *** hemostasis and rebleeding rates were primary and secondary end-points of the ***:Initial hemostasis was achieved in 97.7% (42/43) and 81% (36/42) of the APC and HPC groups,respectively (P 0.05).CONCLUSION:APC is an effective hemostatic method in bleeding peptic *** multicenter trials are necessary to confirm these results.

关键词： Upper gastrointestinal bleeding Argon plasma coagulation Heater probe coagulation Duodenal ulcer Gastric ulcer

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