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RISS 인기검색어
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- 저자 : Jaeryung Oh Ph (검색결과 2 건)
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김균형,오재령,김준헌,김효명,Kyun Hyung Kim,Jaeryung Oh Ph,D,Joon-Heon Kim,Hyo-Myung Kim Ph,D 대한안과학회 2007 대한안과학회지 Vol.48 No.10
Purpose: A filtering system (ABAK system, Thea, France) was developed and has been used to prevent the abuse of preservatives and to decrease the complications that may result from them. However, the bacteria filtering effect of the system has not been reported yet. In this study, we attempt to verify its efficacy. Methods: Staphylococcus epidermidis was diluted to two different concentrations, 107 and 105 CFU (Colony-Forming-Unit)/ml. To determine the inward-filtering effect of the system (reverse direction), 0.5 ml of each bacterial concentration was aspirated through the ABAK system, and the solutions that filtered through were cultivated. The results were compared with the controls in which the same amounts of bacterial solutions were dropped from a dropper by squeezing the bottle. For the outward-effect (forward direction), 1ml of bacterial solution from each concentration was put into the bottle with a syringe. Solutions were re-collected by filtering them out through the ABAK system by squeezing the bottle and also by aspirating them from the bottle with a syringe. Both solutions were cultivated, and the results were compared. Each test was repeated 5 times. Results: In control solutions that did not pass through the filter, bacteria were cultivated consistently in repeated tests. However, bacteria were not cultivated in solutions that had passed the filter in both concentrations and in both directions. Conclusions: Filtering systems prevent solutions from contamination, and even if the bottles are polluted with Staphylococcus epidermidis initially, the bacteria would be filtered out. The effectiveness of the filtering systems was also demonstrated in high bacterial concentrations.
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증식당뇨망막병증 환자에서 유리체절제술시 일상적인 내경계막제거술의 효과
최영재,김성우,오인경,오재령,허걸.Young Jae Choi. M.D.. Sung Woo Kim. M.D.. In Kyoung Oh. M.D.. Jaeryung Oh. M.D.. Kuhl Huh. M.D.. Ph.D. 대한안과학회 2008 대한안과학회지 Vol.49 No.4
Purpose: To evaluate the efficacy of internal limiting membrane (ILM) removal during vitrectomy in proliferative diabetic retinopathy (PDR) patients. Methods: Seventy-four eyes of 74 PDR patients who underwent vitrectomy were enrolled. All patients had been followed for at least one year. Thirty-three patients who underwent vitrectomy without ILM peeling from January 2004 to February 2005 were assigned to Group A and 41 patients who underwent vitrectomy with ILM peeling from March 2005 to October 2005 were assigned to Group B. Visual acuity (LogMAR), central macular thickness measured by optical coherent tomography (OCT), and presence or absence of macular edema were compared between the two groups at six months and one year after surgery. Results: Postoperative mean best corrective visual acuity (BCVA; LogMAR) were improved significantly in both groups at six months and one year after surgery. However, the overall amount of improvement in vision was not different between the two groups. The mean central forveal thickness in Group B was significantly thinner than in Group A at six months and one year after surgery. There was no difference between the two groups in macular edema incidence at that time. There were no serious complications in Group B by one year after surgery. Conclusions: There was no difference in visual acuity between the Group A and Group B However, the central forveal thickness measured by OCT was thinner in the ILM peeling group, and there were no serious complications in ILM peeling group. Routine ILM peeling during vitrectomy in PDR will help to maintain the structural stability of the macula postoperatively.
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