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Nd: Yag laser iridotomy in Shaffer-Etienne grade 1 and 2: angle widening in our case studies

International Journal of Ophthalmology(English edition) 2015年第4期8卷 709-713页

作者： Sandra Cinzia Carlesimo Luigi Di Santo Pietro Bruni Aloisa Librando Antonietta Pompea Falace Andrea Barbato Department of Sense Organs Sapienza University of Rome Freelance Scientific Designer

·AIM: To obtain widening of a potentially occludable angle, in according to Kanski’s indications, through preventive Nd:Yag laser iridotomy. The observational study was performed by using gonioscopy for the selection and follow-up of 1165 treated eyes and exploiting Shaffer-Etienne gonioscopic classification as a quality/quantity test of the angle recession.·METHODS: Between September 2000 and July 2012,586 patients were selected at the Outpatients’ Ophthalmological Clinic of the Policlinico Umberto I of Rome in order to undergo Nd: Yag laser iridotomy. A Goldmann type contact lens, Q-switched mode, 2-3defocus, and 7-9 m J intensity with 2-3 impulse discharges were used for surgery.·RESULTS: From as early as the first week, a whole360° angle widening were evident in the patients, thus showing the success of Nd:Yag laser iridotomy in solving relative pupil block. The angle remained narrow by 270° in 14 eyes only, despite repetitions of further treatment with laser iridotomy in a different part of the iris, twice in 10 eyes and three times in 4 eyes.·CONCLUSION: Nd:Yag laser iridotomy revealed itself as being a safe and effective treatment in widening those critical Shaffer-Etienne grade 1 and 2 potentially occludable angles.

关键词： glaucoma gonioscopy intraocular pressure iridotomy narrow angle Nd:Yag laser

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Pentacam changes in primary angle-closure glaucoma after different lines of treatment

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International Journal of Ophthalmology(English edition) 2020年第4期13卷 591-598页

作者： Tharwat HMokbel Abd-Elmonem Elhesy Ahmed Alnagdy Mohammed FElashri Ahmed MEissa Walid MGaafar Sherein MHagras Mansoura Ophthalmic Center Faculty of MedicineMansoura UniversityMansoura 35516Egypt Department of Ophthalmology Kafrelshiekh UniversityKafir el-Shiekh 33516Egypt Department of Ophthalmology General Organization for Teaching Hospitals and InstitutesCairo 11562Egypt

AIM: To assess the changes in the anterior chamber parameters using Pentacam following four different lines of treatment of primary angle-closure glaucoma(PACG).METHODS: A retrospective comparative study included 126 patients(126 eye) presented within 24-48 h after acute angle-closure glaucoma(AACG). Patients were divided into 2 groups: group A(68 eyes) with controlled intraocular pressure(IOP) ≤21 mm Hg, which included subgroup A1(34 eyes) with clear lens underwent Nd:YAG laser peripheral iridotomy(LPI) and subgroup A2(34 eyes) with cataract underwent standard phacoemulsification;and group B(58 eyes) with uncontrolled IOP, which included subgroup B1(30 eyes) with clear lens underwent trabeculectomy and subgroup B2(28 eyes) with cataract underwent combined phacoemulsification and trabeculectomy. Patients were fol owed up for at least 3 mo. Primary outcomes were Pentacam anterior segment measurements [anterior chamber angle(ACA) and depth(ACD)]. Secondary outcomes were changes in IOP, visual acuity(VA) and recorded complications. RESULTS: At the 3^(rd)month, there was significant increase in the ACA values in all studied groups compared to preoperative values(P<0.001). The highest percent of increase in ACA was recorded in phacotrabeculectomy group B2(128.40%). There was significant increase in ACD values at 3^(rd)month compared with baseline values(P<0.001) for groups A1, A2, and B2;without change in B1 trabeculectomy group. The maximum deepening of ACD was noticed in group B2 with 94.27% increase. Significantdecrease in postoperative IOP in groups A2, B1 and B2(P<0.001, P=0.014, and P<0.001 respectively). In group A1 there was significant increase in 3^(rd)month postoperative IOP from baseline values(P<0.001). The maximum decrease in IOP was noticed in group B2 with 59.54% decrease. VA improvement in 3^(rd)month postoperative was recorded in all studied groups, maximum VA improvement was observed in group B2 up to 0.2 log MAR.CONCLUSION: Pentacam can be a helpful tool in studying and comparing the effect of the

关键词： acute primary angle-closure glaucoma laser peripheral iridotomy phacoemulsification trabeculectomy phacotrabeculectomy Pentacam

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