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El Helwe H, Samuel S, Falah H, Trzcinski J, Solá-Del Valle DA. Comparing Outcomes of Tube Versus Trabeculectomy Among Patients With Angle-closure Glaucoma. Ophthalmol Glaucoma 2024:S2589-4196(24)00068-1. [PMID: 38636705 DOI: 10.1016/j.ogla.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/04/2024] [Accepted: 04/10/2024] [Indexed: 04/20/2024]
Abstract
PURPOSE Compare outcomes of tube shunt surgery (Tube) and trabeculectomy with mitomycin C (Trab-MMC) in patients with angle-closure glaucoma (ACG). DESIGN Retrospective nonrandomized comparative study. PARTICIPANTS A total of 80 eyes from 80 patients with ACG who underwent either Tube (N = 50) or Trab-MMC (N = 30) between January 2015 and January 2022 at Massachusetts Eye and Ear. METHODS Reviewed and analyzed 390 visits from patient charts. MAIN OUTCOME MEASURES Kaplan-Meier (KM) success rates, intraocular pressure (IOP), medication burden, best-corrected visual acuity (BCVA), adjusted hazard ratios (HRs), and complications. RESULTS Baseline demographics were similar between both groups, except for a higher proportion of patients with pseudophakia and prior incisional ocular surgery in the Tube group. The Trab-MMC procedure had significantly higher KM complete success (CS) rates than the Tube procedure, but similar qualified success (QS) rates. Under QS, the cumulative probability of survival was 87% in the Tube group and 83% in the Trab-MMC group at year 1 (P = 0.77), and 75% in the Tube group and 58% in the Trab-MMC group at year 2 (P = 0.14). Under CS, the cumulative probability of survival was 13% in the Tube group and 59% in the Trab-MMC group at year 1 (P < 0.001), and 11% in the Tube group and 41% in the Trab-MMC group at year 2 (P < 0.001). Both Tube and Trab-MMC procedures resulted in significant patterns of IOP and medication reduction from baseline up to 2 years with mean IOP reduced to 12.6 ± 5.9 mmHg on 2.8 ± 1.4 medications after Tube and 12.1 ± 6.6 mmHg on 2.4 ± 1.7 medications after Trab-MMC. Patients who underwent Trab-MMC required less IOP-lowering medications at every follow-up visit up to year 1, but a similar number at year 2. No significant differences were found in IOP reduction, BCVA, or complication rates between groups. CONCLUSIONS We demonstrate that Trab-MMC confers similar IOP reduction and QS rates to Tube placement in patients with ACG. Trab-MMC, however, demonstrated greater medication burden reduction up to 1 year, and more favorable CS rates up to 2 years, while still maintaining similar complication rates to Tube. FINANCIAL DISCLOSURE(S) The author(s) have no proprietary or commercial interest in any materials discussed in this article.
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Affiliation(s)
- Hani El Helwe
- Harvard Medical School, Massachusetts Eye and Ear, Boston, Massachusetts
| | - Sandy Samuel
- Ophthalmology Department, Wills Eye Hospital, Philadelphia, Pennsylvania
| | - Henisk Falah
- Glaucoma Service, Massachusetts Eye and Ear, Boston, Massachusetts
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El Sayed YM, Mettias NM, Elghonemy HME, Mostafa YSE. Phacoemulsification with gonioscopy-assisted transluminal trabeculotomy versus phacoemulsification alone in primary angle closure glaucoma: A randomized controlled study. Acta Ophthalmol 2024; 102:e195-e203. [PMID: 37435985 DOI: 10.1111/aos.15733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 05/26/2023] [Accepted: 06/24/2023] [Indexed: 07/13/2023]
Abstract
PURPOSE To assess the safety and efficacy of combining phacoemulsification with gonioscopy-assisted transluminal trabeculotomy (GATT) compared to phacoemulsification alone in the management of primary angle closure glaucoma (PACG). METHODS Prospective, institutional study in which eyes requiring surgery for PACG were randomized to undergo phacoemulsification followed by GATT (phaco-GATT group) or phacoemulsification alone. Success was defined as having a final IOP of 6-20 mmHg with no subsequent glaucoma surgery or vision-threatening complications. RESULTS Thirty-six eyes underwent phaco-GATT with 360° angle incision and 38 eyes underwent phacoemulsification alone. IOP and glaucoma medications were significantly lower in the phaco-GATT group at 1, 3, 6, 9 and 12 months. The success rate in the phaco-GATT group was 94.4% after 12.16 ± 2.03 months, with 75% of eyes being off medications compared to 86.8% after 12.47 ± 4.27 months in the phaco group, with 42.1% off medications. (p = 0.008). Hyphema and fibrinous anterior chamber reaction were the most common complications in the phaco-GATT group and resolved with conservative treatment or required YAG capsulotomy. Although this delayed visual rehabilitation in the phaco-GATT group, it did not affect the final visual outcome with no significant difference in the final best-corrected visual acuity between both groups (p = 0.25). CONCLUSION Combining phacoemulsification with GATT in PACG yielded more favourable outcomes in terms of IOP, glaucoma medications and surgical success. Although the postoperative hyphema and fibrinous reaction may delay visual rehabilitation, GATT further lowers the IOP by breaking residual peripheral anterior synechiae and removing the dysfunctional trabeculum circumferentially, while avoiding the risks inherent in more invasive filtering procedures.
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Primary Angle-Closure Disease Preferred Practice Pattern®. Ophthalmology 2021; 128:P30-P70. [PMID: 34933744 DOI: 10.1016/j.ophtha.2020.10.021] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 10/20/2020] [Indexed: 01/10/2023] Open
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Senthil S, Rao HL, Choudhari N, Garudadri C. Phacoemulsification versus Phacotrabeculectomy in Medically Controlled Primary Angle Closure Glaucoma with Cataract in an Indian Cohort: A randomized controlled trial. Int Ophthalmol 2021; 42:35-45. [PMID: 34370172 DOI: 10.1007/s10792-021-01997-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/30/2021] [Indexed: 11/24/2022]
Abstract
PURPOSE To compare the outcomes of phacoemulsification with phacotrabeculectomy in primary angle closure glaucoma (PACG) eyes with medically controlled intraocular pressure (IOP). METHODS Prospective, randomized control trial including 33 eyes of 33 patients who underwent phacoemulsification (Phaco) and 37 eyes (37 patients) who underwent phacotrabeculectomy (PT). The primary outcome measure was survival defined as IOP control (IOP ≥ 6 and ≤ 21 mmHg without antiglaucoma medications (AGM) at different time points. Secondary outcome measures were the rate of visual recovery and complications. RESULTS The mean age in years (PT: 58.5 ± 9.8, Phaco:61.6 ± 8.9; p = 0.16), preoperative mean deviation in decibel (PT: -18.7 ± 9.3; Phaco: -16.6 ± 7.9; p = 0.32) and the mean follow up in years (PT: 2.5 ± 1.8; Phaco: 2.8 ± 2.0; p = 0.63) were similar in the two groups. The mean preoperative AGMs were more in the PT group (PT: 2.13 ± 0.97, Phaco: 1.60 ± 0.78; p = 0.01). In both the groups the survival was similar at all-time points (PT: 78% at 1-year and 52% at 5-years, Phaco: 80% at 1 year and 59% at 5 years (P = 0.82). The postoperative visual acuity in LogMAR was significantly better in the Phaco group at 1 month (PT: 0.22 ± 0.38, Phaco:0.06 ± 0.07; p = 0.02). Postoperative AGM (p = 0.68) and rate of visual field progression PT: -0.46 ± 0.41 dB/year; Phaco: -0.38 ± 0.73 dB/year; p = 0.67) were similar in both groups. One eye in PT group developed malignant glaucoma which resolved with laser hyaloidotomy and cycloplegic therapy. CONCLUSIONS More rapid visual recovery with similar IOP control and similar visual field stability favor phacoemulsification to phacotrabeculectomy in medically controlled PACG eyes with cataract.
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Affiliation(s)
- Sirisha Senthil
- VST Glaucoma Center, L V Prasad Eye Institute, Banjara Hills, Hyderabad, India.
- Kallam Anji Reddy Campus, L.V Prasad Eye Institute, L V Prasad Marg, Road No: 2, Banjara Hills, Hyderabad, 500034, India.
| | - Harsha L Rao
- Narayana Nethralaya, Bangalore, India
- University Medical Center, University Eye Clinic Maastricht, Maastricht, The Netherlands
| | - Nikhil Choudhari
- VST Glaucoma Center, L V Prasad Eye Institute, Banjara Hills, Hyderabad, India
- Kallam Anji Reddy Campus, L.V Prasad Eye Institute, L V Prasad Marg, Road No: 2, Banjara Hills, Hyderabad, 500034, India
| | - Chandrasekhar Garudadri
- VST Glaucoma Center, L V Prasad Eye Institute, Banjara Hills, Hyderabad, India
- Kallam Anji Reddy Campus, L.V Prasad Eye Institute, L V Prasad Marg, Road No: 2, Banjara Hills, Hyderabad, 500034, India
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Abstract
BACKGROUND Primary angle-closure glaucoma (PACG) is characterized by a rise in intraocular pressure (IOP) secondary to aqueous outflow obstruction, with relative pupillary block being the most common underlying mechanism. There is increasing evidence that lens extraction may relieve pupillary block and thereby improve IOP control. As such, comparing the effectiveness of lens extraction against other commonly used treatment modalities can help inform the decision-making process. OBJECTIVES To assess the effectiveness of lens extraction compared with other interventions in the treatment of chronic PACG in people without previous acute angle-closure attacks. SEARCH METHODS We searched CENTRAL, MEDLINE, Embase, one other database, and two trials registers (December 2019). We also screened the reference lists of included studies and the Science Citation Index database. We had no date or language restrictions. SELECTION CRITERIA We included randomized controlled trials (RCTs) comparing lens extraction with other treatment modalities for chronic PACG. DATA COLLECTION AND ANALYSIS We followed standard Cochrane methodology. MAIN RESULTS We identified eight RCTs with 914 eyes. We obtained data for participants meeting our inclusion criteria for these studies (PACG only, no previous acute angle-closure attacks), resulting in 513 eyes included in this review. The participants were recruited from a diverse range of countries. We were unable to conduct meta-analyses due to different follow-up periods and insufficient data. One study compared phacoemulsification with laser peripheral iridotomy (LPI) as standard care. Participants in the phacoemulsification group were less likely to experience progression of visual field loss (odds ratio [OR] 0.35, 95% confidence interval [CI] 0.13 to 0.91; 216 eyes; moderate certainty evidence), and required fewer IOP-lowering medications (mean difference [MD] -0.70, 95% CI -0.89 to -0.51; 263 eyes; moderate certainty evidence) compared with standard care at 12 months. Moderate certainty evidence also suggested that phacoemulsification improved gonioscopic findings at 12 months or later (MD -84.93, 95% CI -131.25 to -38.61; 106 eyes). There was little to no difference in health-related quality of life measures (MD 0.04, 95% CI -0.16 to 0.24; 254 eyes; moderate certainty evidence), and visual acuity (VA) (MD 2.03 ETDRS letter, 95% CI -0.77 to 4.84; 242 eyes) at 12 months, and no observable difference in mean IOP (MD -0.03mmHg, 95% CI -2.34 to 2.32; 257 eyes; moderate certainty evidence) compared to standard care. Irreversible loss of vision was observed in one participant in the phacoemulsification group, and three participants in standard care at 36 months (moderate-certainty evidence). One study (91 eyes) compared phacoemulsification with phaco-viscogonioplasty (phaco-VGP). Low-certainty evidence suggested that fewer IOP-lowering medications were needed at 12 months with phacoemulsification (MD -0.30, 95% CI -0.55 to -0.05). Low-certainty evidence also suggested that phacoemulsification may have improved gonioscopic findings at 12 months or later compared to phaco-VGP (angle grading MD -0.60, 95% CI -0.91 to -0.29; TISA500 MD -0.03, 95% CI -0.06 to -0.01; TISA750 MD -0.03, 95% CI -0.06 to -0.01; 91 eyes). Phacoemulsification may result in little to no difference in best corrected VA at 12 months (MD -0.01 log MAR units, 95% CI -0.10 to 0.08; low certainty evidence), and the evidence is very uncertain about its effect on IOP at 12 months (MD 0.50 mmHg, 95% CI -2.64 to 3.64; very low certainty evidence). Postoperative fibrin reaction was observed in two participants in the phacoemulsification group and four in the phaco-VGP group. Three participants in the phaco-VGP group experienced hyphema. No data were available for progression of visual field loss and quality of life measurements at 12 months. Two studies compared phacoemulsification with phaco-goniosynechialysis (phaco-GSL). Low-certainty evidence suggested that there may be little to no difference in mean IOP at 12 months (MD -0.12 mmHg, 95% CI -4.72 to 4.48; 1 study, 32 eyes) between the interventions. Phacoemulsification did not reduce the number of IOP-lowering medications compared to phaco-GSL at 12 months (MD -0.38, 95% CI -1.23 to 0.47; 1 study, 32 eyes; moderate certainty evidence). Three eyes in the phaco-GSL group developed hyphemas. No data were available at 12 months for progression of visual field loss, gonioscopic findings, visual acuity, and quality of life measures. Three studies compared phacoemulsification with combined phaco-trabeculectomy, but the data were only available for one study (63 eyes). In this study, low-certainty evidence suggested that there was little to no difference between groups in mean change in IOP from baseline (MD -0.60 mmHg, 95% CI -1.99 to 0.79), number of IOP-lowering medications at 12 months (MD 0.00, 95% CI -0.42 to 0.42), and VA measured by the Snellen chart (MD -0.03, 95% CI -0.18 to 0.12). Participants in the phacoemulsification group had fewer complications (risk ratio [RR] 0.59, 95% CI 0.34 to 1.04), and the phaco-trabeculectomy group required more IOP-lowering procedures (RR 5.81, 95% CI 1.41 to 23.88), but the evidence was very uncertain. No data were available for other outcomes. AUTHORS' CONCLUSIONS Moderate certainty evidence showed that lens extraction has an advantage over LPI in treating chronic PACG with clear crystalline lenses over three years of follow-up; ultimately, the decision for intervention should be part of a shared decision-making process between the clinician and the patient. For people with chronic PACG and visually significant cataracts, low certainty evidence suggested that combining phacoemulsification with either viscogonioplasty or goniosynechialysis does not confer any additional benefit over phacoemulsification alone. There was insufficient evidence to draw any meaningful conclusions regarding phacoemulsification versus trabeculectomy. Low certainty evidence suggested that combining phacoemulsification with trabeculectomy does not confer any additional benefit over phacoemulsification alone, and may cause more complications instead. These conclusions only apply to short- to medium-term outcomes; studies with longer follow-up periods can help assess whether these effects persist in the long term.
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Affiliation(s)
- Ariel Yuhan Ong
- Oxford Eye Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Sueko M Ng
- Department of Ophthalmology, School of Medicine, University of Colorado, Aurora, CO, USA
| | | | - David S Friedman
- Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts, USA
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Jin G, Wang L, Scheetz J, Zhang J, He M. How Does Cataract Surgery Rate Affect Angle-closure Prevalence. J Glaucoma 2021; 30:83-88. [PMID: 33031186 DOI: 10.1097/ijg.0000000000001691] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/20/2020] [Indexed: 11/25/2022]
Abstract
PRCIS A data simulation study suggests that prevalence of occludable angle will decrease when the cataract surgical rate increases in particularly when the surgery focuses on 70+ years old. PURPOSE The purpose of this study was to estimate the effects of cataract surgical rates (CSR) on the prevalence of primary angle-closure glaucoma in the Chinese population. METHODS Participants aged 50 years and older from the Liwan Eye Study were included as the study sample. Occludable angle (OA) as a surrogate of primary angle-closure glaucoma was evaluated using static gonioscopy and anterior chamber depth was measured before dilation using A-mode ultrasound. Random sampling was used to generate 50 cohorts with a sample size of 200 for each predefined CSR at 2000, 4000, 6000, 8000, 10,000, 12,000, according to the multinomial distribution. The mean anterior chamber depth and OA rates of each cohort were calculated. Logistic function models of nonlinear least-squares estimation were used to predict the prevalence of OA. RESULTS Data of the right eye from 1280 participants were included. The prevalence of cataract surgery and OA was 2.27% and 11.3%, respectively. The projected prevalence of OA in the cohorts with CSR of 2000, 4000, 6000, 8000, 10,000 and 12,000 was 11.4% [95% confidence interval (CI), 10.8%-12.0%], 11.2% (95% CI, 10.6%-11.9%), 10.9% (95% CI, 10.3%-11.6%), 11.4% (95% CI, 10.8%-12.1%), 10.8% (95% CI, 10.2-11.4%), and 10.1% (95% CI, 9.46-10.7%), respectively. The OA rates decreased remarkably as CSR increased for those aged 70 years and older. CONCLUSIONS Our study indicated that with CSR increased, the OA prevalence could decrease remarkably especially in the older population. It is advisable to perform cataract surgery at an appropriate time for patients in their late 60s to 70s with significant cataracts.
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Affiliation(s)
- Guangming Jin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Lanhua Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Jane Scheetz
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, Melbourne, Vic., Australia
| | - Jian Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Mingguang He
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, People's Republic of China
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Zhang Y, Zong Y, Jiang Y, Jiang C, Lu Y, Zhu X. Clinical Features and Efficacy of Lens Surgery in Patients with Lens Subluxation Misdiagnosed as Primary Angle-Closure Glaucoma. Curr Eye Res 2018; 44:393-398. [PMID: 30426797 DOI: 10.1080/02713683.2018.1548130] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
PURPOSE To investigate the clinical features and efficacy of lens surgery in patients with lens subluxation misdiagnosed as primary angle-closure glaucoma. METHODS In total, 2054 inpatients with primary angle-closure glaucoma were consecutively recruited. Eighty-five of the patients were rediagnosed as lens subluxation following ultrasound biomicroscopy after hospitalization. Lens surgeries were performed in all patients, and 35 had a follow-up of at least 12 months. Risk factors of postoperative intraocular pressure control were identified with multivariate logistic regression analysis. RESULTS Eighty-five inpatients (4.1%, 85/2054) with lens subluxation were misdiagnosed as primary angle-closure glaucoma, of which 71.8% (2.97% of all cases, 61 out of 2054 subjects) had ocular blunt trauma and 18.8% (0.78% of all cases, 16 out of 2054 subjects) had spontaneous dislocation. Lens surgery significantly decreased the intraocular pressure and improved best-corrected visual acuity, meanwhile increased the anterior chamber depth (all P < 0.001). Postoperatively, the intraocular pressure was controlled with antiglaucomatous eye drops administration in 17 eyes, in which greater range of preoperative angle closure and zonular dialysis, and longer operation time delay were detected. Risk factors for poor postoperative IOP control were more quadrants of angle closure (P = 0.038) and operation time delay (P = 0.045). CONCLUSION Lens subluxation was the major cause of the misdiagnosed cases as primary angle-closure glaucoma. Misdiagnosed patients could benefit from the lens surgery, while more angle-closure quadrants and operation time delay indicated worse postoperative intraocular pressure control.
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Affiliation(s)
- Yinglei Zhang
- a Department of Ophthalmology, Eye and ENT Hospital , Fudan University , Shanghai , China.,b Eye Institute , Eye and ENT Hospital of Fudan University , Shanghai , People's Republic of China.,c Key NHC Key Laboratory of Myopia , Fudan University , Shanghai , People's Republic of China.,d Laboratory of Myopia , Chinese Academy of Medical Sciences , Shanghai , People's Republic of China.,e Shanghai Key Laboratory of Visual Impairment and Restoration , Shanghai , People's Republic of China
| | - Yuan Zong
- a Department of Ophthalmology, Eye and ENT Hospital , Fudan University , Shanghai , China.,b Eye Institute , Eye and ENT Hospital of Fudan University , Shanghai , People's Republic of China.,c Key NHC Key Laboratory of Myopia , Fudan University , Shanghai , People's Republic of China.,d Laboratory of Myopia , Chinese Academy of Medical Sciences , Shanghai , People's Republic of China.,e Shanghai Key Laboratory of Visual Impairment and Restoration , Shanghai , People's Republic of China
| | - Yongxiang Jiang
- a Department of Ophthalmology, Eye and ENT Hospital , Fudan University , Shanghai , China.,b Eye Institute , Eye and ENT Hospital of Fudan University , Shanghai , People's Republic of China.,c Key NHC Key Laboratory of Myopia , Fudan University , Shanghai , People's Republic of China.,d Laboratory of Myopia , Chinese Academy of Medical Sciences , Shanghai , People's Republic of China.,e Shanghai Key Laboratory of Visual Impairment and Restoration , Shanghai , People's Republic of China
| | - Chunhui Jiang
- a Department of Ophthalmology, Eye and ENT Hospital , Fudan University , Shanghai , China.,b Eye Institute , Eye and ENT Hospital of Fudan University , Shanghai , People's Republic of China.,c Key NHC Key Laboratory of Myopia , Fudan University , Shanghai , People's Republic of China.,d Laboratory of Myopia , Chinese Academy of Medical Sciences , Shanghai , People's Republic of China.,e Shanghai Key Laboratory of Visual Impairment and Restoration , Shanghai , People's Republic of China
| | - Yi Lu
- a Department of Ophthalmology, Eye and ENT Hospital , Fudan University , Shanghai , China.,b Eye Institute , Eye and ENT Hospital of Fudan University , Shanghai , People's Republic of China.,c Key NHC Key Laboratory of Myopia , Fudan University , Shanghai , People's Republic of China.,d Laboratory of Myopia , Chinese Academy of Medical Sciences , Shanghai , People's Republic of China.,e Shanghai Key Laboratory of Visual Impairment and Restoration , Shanghai , People's Republic of China
| | - Xiangjia Zhu
- a Department of Ophthalmology, Eye and ENT Hospital , Fudan University , Shanghai , China.,b Eye Institute , Eye and ENT Hospital of Fudan University , Shanghai , People's Republic of China.,c Key NHC Key Laboratory of Myopia , Fudan University , Shanghai , People's Republic of China.,d Laboratory of Myopia , Chinese Academy of Medical Sciences , Shanghai , People's Republic of China.,e Shanghai Key Laboratory of Visual Impairment and Restoration , Shanghai , People's Republic of China
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Yuen NSY, Chan OCC, Hui SP, Ching RHY. Combined Phacoemulsification and Nonpenetrating Deep Sclerectomy in the Treatment of Chronic Angle-Closure Glaucoma with Cataract. Eur J Ophthalmol 2018; 17:208-15. [PMID: 17415694 DOI: 10.1177/112067210701700210] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Purpose To review the result of nonpenetrating deep sclerectomy (NPDS) combined with phacoemulsification in the treatment of chronic angle-closure glaucoma (CACG) with coexisting cataract. Methods This is a retrospective review of 29 eyes of 26 patients who had undergone combined non-penetrating deep sclerectomy and phacoemulsification for cataract and chronic angle-closure glaucoma between January 2001 and June 2003. The visual acuity, intraocular pressure (IOP) and complications were analyzed. Results The mean follow-up period was 33.8 months (range 23.3 to 54.0 months). Postoperative visual acuity improved in 21 eyes (72%) and remained the same in 6 eyes (21%). The IOP was reduced significantly from 20.3±3.9 mmHg (mean ± SD) preoperatively to 15.9±3.1 mmHg postoperatively at last follow-up visit (p<0.001). The number of antiglaucoma medications was also reduced significantly from 2.9±0.8 (mean ± SD) preoperatively to 1.0±1.2 at last follow-up (p<0.001). Fifteen eyes (52%) achieved complete success with IOP ≤ 21 mmHg without antiglaucoma medications and 25 eyes (86%) achieved qualified success with IOP ≤ 21 mmHg with or without medications at the last follow-up visit. Of the 25 eyes achieving qualified success, 24 (96%) had a reduction in the number of medications. There were 4 failures, defined as uncontrolled IOP requiring further filtering operation or oral drug treatment. Intraoperative complications included one accidental anterior chamber puncture and one iris plug intraoperatively. Postoperative complications included one choroidal effusion, three wound leaks requiring repair, and two punctate epithelial erosions. There was no shallowing of the anterior chamber, hyphema, hypotony, or infection encountered. Conclusions Combined NPDS and phacoemulsification could be a safe and effective surgical option for the management of CACG with cataract. (Eur J Ophthalmol 2007; 17: 208–15)
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Affiliation(s)
- N S Y Yuen
- Department of Ophthalmology, Tung Wah Eastern Hospital, Lo Ka Chow Ophthalmic Center, 19 Eastern Hospital Road, Causeway Bay, Hong Kong, China.
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Early phacoemulsification in patients with acute primary angle closure. J Curr Ophthalmol 2016; 27:70-5. [PMID: 27239581 PMCID: PMC4881187 DOI: 10.1016/j.joco.2015.12.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 11/28/2015] [Accepted: 12/09/2015] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To compare long term efficacy of phacoemulsification in the early management of acute primary angle closure (APAC) after aborting an acute attack and performing laser peripheral iridotomy (LPI). METHODS In this nonrandomized comparative prospective study, we included 35 subjects presenting with APAC who had responded to medical treatment and LPI with intraocular pressure (IOP) less than 25 mmHg. Twenty patients with visually significant cataract with visual acuity of <20/30 were assigned to the "Phaco/LPI" group and underwent phacoemulsification within 6 weeks of the attack. Fifteen subjects with clear lens were assigned to the "LPI Only" group and were followed clinically. The primary measured outcome was the prevalence of IOP rise after 1 month (treatment failure), defined as 1) if a patient developed IOP rise resulting in IOP >21 mmHg with or without medication, or 2) if a patient required any medication to have IOP ≤21 mmHg after 1 month. Patients were followed for at least one year. RESULT IOP, number of medications, gonioscopy grading, and amount of synechiae were not significantly different at baseline between the two groups. Acute attack did not recur in any patient. There was more significant failure in the LPI Only group compared with the Phaco/LPI group (40% vs. 5%; p = 0.02). There was a significant difference in final IOP between the two study groups (13.90 ± 2.17 vs. 17.8 ± 4.16 in the Phaco/LPI and LPI Only groups, respectively; p = 0.001). Patients in the Phaco-LPI group needed less medication than the other group at final follow-up. No serious complications have arisen from the immediate LPI or phacoemulsification. CONCLUSION Phacoemulsification is a safe procedure for preventing IOP rise after aborting acute primary angle closure if performed within a few weeks of the attack.
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Effect of Goniosynechialysis During Phacoemulsification on IOP in Patients With Medically Well-controlled Chronic Angle-Closure Glaucoma. J Glaucoma 2015; 24:405-9. [PMID: 25387342 DOI: 10.1097/ijg.0000000000000043] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
PURPOSE To evaluate and compare the efficacy and safety of combined phacoemulsification and goniosynechialysis (PEGS) to phacoemulsification alone (PE) in patients with medically well-controlled chronic angle-closure glaucoma (CACG) with cataracts. MATERIALS Thirty eyes diagnosed with CACG and requiring cataract surgery from January 2008 to October 2010 were prospectively randomized, 15 each to PE and PEGS. Changes in peripheral anterior synechiae (PAS), intraocular pressure (IOP), anterior chamber depth, and number of antiglaucoma drugs from baseline to 2 months after the operation were analyzed, as were the type and number of complications. RESULTS The PE group showed decreases in PAS (118.67±95.38 degrees) and IOP (2.33±2.38 mm Hg) and a significant reduction in the number of antiglaucoma drugs (0.53±0.83, P<0.05) from before to 2 months after surgery. The PEGS group showed similar decreases in PAS (114.00±90.95 degrees), and IOP (4.53±4.16 mm Hg) and number of antiglaucoma drugs (1.20±1.32) (P<0.05). However, the amount of decline in both the groups did not show any significantly difference in PAS, reduction of IOP, or number of antiglaucoma drugs (P>0.05), The increase in anterior chamber depth from baseline to 2 months after surgery was significantly greater in the PEGS group (P=0.003). CONCLUSIONS The IOP-lowering effects of PEGS do not differ significantly from those of PE in medically well-controlled CACG patients with cataract. These results suggest that additional goniosynechialysis during phacoemulsification is not necessary in such patients.
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Muñoz-Negrete FJ, González-Martín-Moro J, Casas-Llera P, Urcelay-Segura JL, Rebolleda G, Ussa F, Güerri Monclús N, Méndez Hernández C, Moreno-Montañés J, Villegas Pérez MP, Pablo LE, García-Feijoó J. Guidelines for treatment of chronic primary angle-closure glaucoma. ARCHIVOS DE LA SOCIEDAD ESPANOLA DE OFTALMOLOGIA 2015; 90:119-138. [PMID: 25459683 DOI: 10.1016/j.oftal.2014.09.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Accepted: 09/30/2014] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To present a clinical practice guideline update on the medical, laser, and surgical treatment of primary angle closure glaucoma (PACG) in adults. METHODS Following the formulation of key questions using the PICO scheme (Patient/Problem, Intervention, Comparison, Outcome), a systematic review was performed on the literature published to date, including international clinical practice guidelines. The AMSTAR and Risk of Bias tools were used for evaluating the quality of the information. The level of evidence and grade of recommendation was established following the Scottish Intercollegiate Guidelines Network (SIGN) system. RESULTS Following the above methodology, recommendations of medical, laser and surgical treatment in adult PACG and levels of evidence are presented. CONCLUSIONS Although the level of scientific evidence for many of the questions raised is not very high, a review is presented on updated treatment recommendations for adult PACG. Among the limitations for the implementation of these recommendations is that most studies have been conducted in Asian populations, and that the effectiveness is measured almost exclusively in terms of reducing intraocular pressure, and does not include visual function, quality of life or cost-effectiveness parameters.
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Affiliation(s)
- F J Muñoz-Negrete
- Servicio de Oftalmología, Hospital Universitario Ramón y Cajal, IRYCIS, Universidad de Alcalá, OFTARED, Alcalá de Henares, Madrid, España.
| | - J González-Martín-Moro
- Servicio de Oftalmología, Hospital Universitario del Henares, Universidad Francisco de Vitoria, Coslada, Madrid, España
| | - P Casas-Llera
- Vissum Corporación-Instituto Oftalmológico de Alicante, OFTARED, Alicante, España
| | - J L Urcelay-Segura
- Servicio de Oftalmología, Hospital Universitario Gregorio Marañón, Madrid, España
| | - G Rebolleda
- Servicio de Oftalmología, Hospital Universitario Ramón y Cajal, IRYCIS, Universidad de Alcalá, OFTARED, Alcalá de Henares, Madrid, España
| | - F Ussa
- IOBA, Universidad de Valladolid, OFTARED, Valladolid, España
| | - N Güerri Monclús
- Servicio de Oftalmología, Hospital Universitario Miguel Servet, IISA, Universidad de Zaragoza, OFTARED, Zaragoza, España
| | - C Méndez Hernández
- Servicio de Oftalmología HCSC, Instituto de Investigación Sanitaria HCSC (IdISSC), Universidad Complutense, OFTARED, Madrid, España
| | - J Moreno-Montañés
- Clínica Universidad de Navarra, Facultad de Medicina, OFTARED, Pamplona, España
| | - M P Villegas Pérez
- Departamento de Oftalmología, Facultad de Medicina, Universidad de Murcia; Hospital General Universitario Reina Sofía, IMIB-Arrixaca, OFTARED, Murcia, España
| | - L E Pablo
- Servicio de Oftalmología, Hospital Universitario Miguel Servet, IISA, Universidad de Zaragoza, OFTARED, Zaragoza, España
| | - J García-Feijoó
- Servicio de Oftalmología HCSC, Instituto de Investigación Sanitaria HCSC (IdISSC), Universidad Complutense, OFTARED, Madrid, España
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Kwon KY, Bae HW, Lee SY, Seo SJ, Lee YH, Hong SM, Seong GJ, Kim CY. Treatment Outcome of Triple Procedure in Open-Angle Glaucoma and Angle-Closure Glaucoma. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2015. [DOI: 10.3341/jkos.2015.56.7.1075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Kye Yoon Kwon
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Hyung Won Bae
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Sang Yeop Lee
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Sang Jin Seo
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Yun Ha Lee
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Sa Min Hong
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Gong Je Seong
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Chan Yun Kim
- The Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
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Tham CCY, Leung DYL, Kwong YYY, Liang Y, Peng AY, Li FCH, Lai JSM, Lam DSC. Factors correlating with failure to control intraocular pressure in primary angle-closure glaucoma eyes with coexisting cataract treated by phacoemulsification or combined phacotrabeculectomy. Asia Pac J Ophthalmol (Phila) 2015; 4:56-9. [PMID: 26068613 DOI: 10.1097/apo.0000000000000091] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
PURPOSE To identify clinical factors correlating with failure to control intraocular pressure (IOP) in primary angle-closure glaucoma (PACG) eyes with cataract after phacoemulsification or phacotrabeculectomy. DESIGN Retrospective analysis of two prospective randomized controlled clinical trials. METHODS Primary angle-closure glaucoma eyes with cataract received phacoemulsification or phacotrabeculectomy. Failure was defined as having IOP of 21mm Hg or greater, or requiring glaucoma drugs to maintain an IOP of less than 21 mm Hg, or having had additional IOP-lowering surgery. Factors correlating with failure at 24 months after surgery were identified using logistic regression model. RESULTS One hundred twenty-three PACG eyes with cataract and receiving phacoemulsification (n = 62) and phacotrabeculectomy (n = 61) were analyzed. With univariate analysis, factors associated with failure included a higher preoperative IOP, a higher preoperative requirement for glaucoma drugs, absence of plateau iris configuration, and phacoemulsification alone. With multivariate analysis, factors associated with failure included a higher preoperative IOP [odds ratio (OR), 1.732 per increase in IOP of 5 mm Hg], a higher preoperative requirement for glaucoma drugs (OR, 1.913), and performance of phacoemulsification alone (OR, 10.24). CONCLUSIONS In PACG eyes with cataract, higher preoperative IOP and increased requirement for glaucoma drugs correlate with failure to control IOP after phacoemulsification or phacotrabeculectomy. Phacotrabeculectomy is more likely than phacoemulsification to achieve IOP control.
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Affiliation(s)
- Clement C Y Tham
- From the *Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong; †Hong Kong Eye Hospital, Kowloon; ‡Prince of Wales Hospital, Shatin; and §Department of Ophthalmology, United Christian Hospital, Kwun Tong, Kowloon, Hong Kong SAR, People's Republic of China
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Zhao XJ, Yang XX, Fan YP, Li BH, Li Q. Comparison of Combined Phacoemulsification, Intraocular Lens Implantation, and Goniosynechialysis With Phacotrabeculectomy in the Treatment of Primary Angle-Closure Glaucoma and Cataract. Asia Pac J Ophthalmol (Phila) 2013; 2:286-90. [PMID: 26107030 DOI: 10.1097/apo.0b013e318299df62] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
PURPOSE This study aimed to compare the efficacy and safety of combined phacoemulsification, intraocular lens implantation, and goniosynechialysis with phacotrabeculectomy in the treatment of primary angle-closure glaucoma (PACG) and cataract. DESIGN A comparative case series. METHODS Sixty-five patients (65 eyes) with PACG and cataract from the Fifth Affiliated Hospital of Sun Yat-Sen University were enrolled for this study between October 2009 and July 2011. Of these, 33 underwent combined phacoemulsification, intraocular lens implantation, and goniosynechialysis (treatment group), and 32 underwent phacotrabeculectomy (control group). The effects on intraocular pressure, best-corrected visual acuity, anterior chamber angle, number of antiglaucoma medications, and complications were evaluated. RESULTS Both the treatment group and the control group had lowered intraocular pressure, reduced the use of antiglaucoma medications, and improved vision in patients with PACG and cataract. Complications were 8 (24.2%) of 33 in the treatment group and 12 (37.5%) of 32 in the control group. CONCLUSIONS Combined phacoemulsification, intraocular lens implantation, and goniosynechialysis appears to be a preferred method for the treatment of PACG and cataract because it seems to have the same efficacy as phacotrabeculectomy and has much less surgical complications.
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Affiliation(s)
- Xiao-Jing Zhao
- From the Departments of *Ophthalmology, and †Otolaryngology, the Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
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Tham CCY, Kwong YYY, Baig N, Leung DYL, Li FCH, Lam DSC. Phacoemulsification versus trabeculectomy in medically uncontrolled chronic angle-closure glaucoma without cataract. Ophthalmology 2012; 120:62-7. [PMID: 22986111 DOI: 10.1016/j.ophtha.2012.07.021] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Revised: 06/26/2012] [Accepted: 07/10/2012] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE To compare phacoemulsification versus trabeculectomy with adjunctive mitomycin C in medically uncontrolled chronic angle-closure glaucoma (CACG) without cataract. DESIGN Prospective, randomized clinical trial. PARTICIPANTS Fifty medically uncontrolled CACG eyes without cataract of 50 patients. INTERVENTION Patients were randomized into undergoing either phacoemulsification or trabeculectomy with adjunctive mitomycin C. After surgery, patients were followed up every 3 months for 2 years. MAIN OUTCOME MEASURES Intraocular pressure (IOP) and requirement for glaucoma drugs. RESULTS Twenty-six CACG eyes were randomized to receive phacoemulsification, and 24 eyes underwent trabeculectomy with mitomycin C. Phacoemulsification and trabeculectomy resulted in significant and comparable IOP reduction at 24 months after surgery (reduction of 8.4 mmHg or 34% for phacoemulsification vs. 8.9 mmHg or 36% for trabeculectomy; P=0.76). Over first 24 months, trabeculectomy-treated eyes required on average 1.1 fewer drugs than phacoemulsification-treated eyes (P<0.001). However, trabeculectomy was associated with significantly more surgical complications than phacoemulsification (46% vs. 4%; P=0.001). Eight (33%) of 24 trabeculectomy eyes demonstrated cataract during follow-up. CONCLUSIONS Both phacoemulsification and trabeculectomy are effective in reducing IOP in medically uncontrolled CACG eyes without cataract. Trabeculectomy is more effective than phacoemulsification in reducing dependence on glaucoma drugs, but is associated with more complications. FINANCIAL DISCLOSURE(S) The author(s) have no proprietary or commercial interest in any materials discussed in this article.
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Affiliation(s)
- Clement C Y Tham
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital, Kowloon, Hong Kong SAR, People's Republic of China.
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Fogagnolo P, Centofanti M, Figus M, Frezzotti P, Fea A, Ligorio P, Lembo A, Digiuni M, Lorenzi U, Rossetti L. Short-term changes in intraocular pressure after phacoemulsification in glaucoma patients. ACTA ACUST UNITED AC 2012; 228:154-8. [PMID: 22572718 DOI: 10.1159/000337838] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Accepted: 02/07/2012] [Indexed: 11/19/2022]
Abstract
PURPOSE To evaluate short-term intraocular pressure (IOP) changes after phacoemulsification in glaucoma and normal patients and the effect of oral acetazolamide (Diamox) to control IOP in these patients. METHODS 120 patients undergoing cataract surgery were included in this prospective multicenter study involving 6 University Eye Clinics: 60 patients with well-controlled primary open-angle glaucoma (POAG) and 60 controls. Half of the study participants received oral acetazolamide, 250 mg, 1 and 6 h after surgery. The treated and untreated groups were matched for age and density of cataract. All patients underwent a standard phacoemulsification procedure and were checked for IOP with Goldmann tonometry in the morning before surgery and then at 3, 6, 21 and 24 h postoperatively by a masked evaluator. RESULTS The group with POAG showed a significant postsurgical increase in IOP (p < 0.001) at all time points. Six of thirty (20%) untreated POAG patients showed at least 1 IOP reading above 30 mm Hg whereas acetazolamide significantly reduced postoperative IOP at all time points (p < 0.01) and in no case was IOP >30 mm Hg. The control group had high IOP during the first 6 h (p < 0.01), but normal values thereafter. CONCLUSION A significant short-term IOP increase may be found after phacoemulsification both in POAG and normal patients; this is not dangerous in normal subjects, but can be potentially dangerous in POAG patients. The use of systemic acetazolamide provided significant control of IOP and could be considered a 'possible standard' management of cataract surgery in POAG patients.
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Affiliation(s)
- Paolo Fogagnolo
- G.B. Bietti Foundation, IRCCS, and Eye Clinics, Universities of San Paolo Hospital, Milan, Italy. fogagnolopaolo @ googlemail.com
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Cheon MH, Kim JY, Lee J, Kim MJ, Kook MS, Tchah H. Homeostatic response of intraocular pressure in the early period after sutureless phacoemulsification. J Cataract Refract Surg 2012; 38:124-8. [DOI: 10.1016/j.jcrs.2011.07.039] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Revised: 06/14/2011] [Accepted: 07/21/2011] [Indexed: 11/30/2022]
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Bae S, Hyung S, Kim W, Kim CS. Phacoemulsification versus Combined Phacotrabeculectomy in Closed-Angle Patients with Re-Elevated Intraocular Pressure after Peripheral Iridotomy. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2012. [DOI: 10.3341/jkos.2012.53.4.544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Sinwoo Bae
- Department of Ophthalmology, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Sungmin Hyung
- Department of Ophthalmology, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Woojin Kim
- Department of Ophthalmology, Chungnam National University School of Medicine, Daejeon, Korea
| | - Chang Sik Kim
- Department of Ophthalmology, Chungnam National University School of Medicine, Daejeon, Korea
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Rhiu S, Hong S, Seong GJ, Kim CY. Phacoemulsification alone versus phacoemulsification combined with trabeculectomy for primary angle-closure glaucoma. Yonsei Med J 2010; 51:781-3. [PMID: 20635456 PMCID: PMC2908889 DOI: 10.3349/ymj.2010.51.5.781] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Surgical outcomes of phacoemulsification only and phacoemulsification combined with trabeculectomy were compared in patients with primary angle-closure glaucoma (PACG). Clinical records of 41 consecutive patients were retrospectively reviewed, and there was no difference in best-corrected visual acuity and intraocular pressure preoperatively and at the final follow-up in both study groups. Regarding the number of anti-glaucoma medications, it was higher in the phacoemulsification combined with trabeculectomy group preoperatively than the phacoemulsification only group (p = 0.045), but both groups were taking similar quantities of medication at the final follow-up (p = 0.6). In addition, postoperative hypotony (two cases) occurred only after phacoemulsification combined with trabeculectomy, but not after phacoemulsification only. In one case after phacoemulsification only, a second operation was needed. There were no additional postoperative complications. In conclusion, both phacoemulsification only and phacoemulsification combined with trabeculectomy showed good surgical outcomes in PACG patients. Both procedures might be equally effective in treating patients with PACG.
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Affiliation(s)
- Soolienah Rhiu
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Samin Hong
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Gong Je Seong
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
| | - Chan Yun Kim
- Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea
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Effects of phacoemulsification versus combined phaco-trabeculectomy on drainage angle status in primary angle closure glaucoma (PACG). J Glaucoma 2010; 19:119-23. [PMID: 19373107 DOI: 10.1097/ijg.0b013e31819d5d0c] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE To document anatomic effects of phacoemulsification versus combined phaco-trabeculectomy on drainage angle in primary angle closure glaucoma (PACG). METHODS Indentation gonioscopy and ultrasound biomicroscopy were performed preoperatively, and then at 1 year after phacoemulsification alone or combined phaco-trabeculectomy in PACG patients. RESULTS Seventy-two PACG eyes of 72 patients were included in this study. Thirty-eight eyes were randomized into receiving phacoemulsification alone, whereas 34 eyes had combined phaco-trabeculectomy. The mean extent of synechial angle closure was significantly reduced from 266.4 degrees to 198.9 degrees (P<0.001) by phacoemulsification alone, and from 266.0 degrees to 227.2 degrees (P=0.03) by combined surgery. The mean angle opening distance (AOD 500) measured by ultrasound biomicroscopy was significantly increased from 208.0 to 468.0 microm (P<0.001) by phacoemulsification, and from 214.6 to 344.4 microm (P<0.001) by combined surgery. The mean trabecular-ciliary process distance was significantly increased from 824.6 to 1043.6 microm (P<0.001) by phacoemulsification, and from 800.9 to 951.5 microm (P=0.01) by combined surgery. The mean anterior chamber depth was significantly increased from 1798.6 to 3528.4 microm (P<0.001) by phacoemulsification alone, and from 1781.6 to 3297.8 microm (P<0.001) by combined surgery. Phacoemulsification alone resulted in significantly greater postoperative angle opening distance 500 (P<0.001) and anterior chamber depth (P<0.001) than phaco-trabeculectomy. CONCLUSIONS Phacoemulsification alone resulted in greater opening of drainage angle and greater deepening of anterior chamber than combined phaco-trabeculectomy in PACG eyes. SYNOPSIS Phacoemulsification alone resulted in greater opening of drainage angle and greater deepening of anterior chamber than combined phaco-trabeculectomy in PACG eyes.
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Lachkar Y. Glaucome et crise aiguë par fermeture de l’angle : phakoémulsification en première intention. J Fr Ophtalmol 2010; 33:273-8. [PMID: 20347182 DOI: 10.1016/j.jfo.2010.02.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Y Lachkar
- Centre d'ophtalmologie du Trocadéro, Paris, Service d'ophtalmologie, Hôpital Saint Joseph, 185, Raymond Losserand, 75674 Paris cedex 14, France.
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Hayashi K, Yoshida M, Manabe SI, Hayashi H. Comparison of visual function between phakic eyes and pseudophakic eyes with a monofocal intraocular lens. J Cataract Refract Surg 2010; 36:20-7. [PMID: 20117701 DOI: 10.1016/j.jcrs.2009.07.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2009] [Revised: 07/06/2009] [Accepted: 07/14/2009] [Indexed: 11/16/2022]
Abstract
PURPOSE To compare all-distance visual acuity and contrast visual acuity with and without glare (glare visual acuity) between phakic eyes with a clear lens and pseudophakic eyes with a monofocal intraocular lens. SETTING Hayashi Eye Hospital, Fukuoka, Japan. METHODS This study comprised phakic), pseudophakic eyes in 4 age groups (40s, 50s, 60s, 70s). Corrected visual acuity from far to near, contrast visual acuity, and glare visual acuity were examined. RESULTS The mean corrected intermediate and near visual acuities were significantly better in phakic eyes than in pseudophakic eyes in patients in their 40s and 50s (P<or=.0215); corrected distance visual acuity was similar. In the 60s and 70s age groups, there was no statistically significant difference in corrected visual acuity at any distance. The region of accommodation at which eyes achieved a corrected visual acuity of 20/29 or 20/40 was greater in phakic eyes than in pseudophakic eyes in the 40s and 50s age groups (P<or=.0302) but was similar in 60s and 70s age groups. In all age groups, there were no significant differences in photopic or mesopic contrast visual acuity or glare visual acuity. CONCLUSIONS In patients in their 40s and 50s, the region of accommodation in phakic eyes was greater than in pseudophakic eyes; the region was similar in patients in their 60s and 70s. Because contrast sensitivity with and without glare was similar at all ages, visual function appeared to be comparable in patients 60 years and older.
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Affiliation(s)
- Ken Hayashi
- Hayashi Eye Hospital, Department of Ophthalmology, School of Medicine, Fukuoka University, Fukuoka, Japan.
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Lee YH, Yun YM, Kim SH, Lee EK, Lee JE, Kim CS. Factors that influence intraocular pressure after cataract surgery in primary glaucoma. Can J Ophthalmol 2010; 44:705-10. [PMID: 20029492 DOI: 10.3129/i09-186] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
OBJECTIVE We sought to find predictive factors for favourable postoperative intraocular pressure (IOP) after cataract surgery in patients with primary open-angle glaucoma (POAG) and primary angle-closure glaucoma (PACG). STUDY DESIGN Retrospective evaluation of patients who had undergone cataract surgery. PARTICIPANTS Forty-eight patients with POAG and 48 patients with PACG. METHODS Various clinical factors were evaluated retrospectively in 96 patients. All patients had undergone standard 2.75-3.5 mm limbal incision cataract surgery. Clinical parameters in patients with successful postoperative IOP courses were compared with those in unsuccessful patients. Success was defined as an IOP between 6 and 21 mm Hg, with fewer antiglaucoma medications needed compared with before surgery, and no need of additional glaucoma surgery. RESULTS In POAG, eyes with a highest preoperative IOP of <31 mm Hg or those being treated with <3 antiglaucoma medications before surgery had a significantly higher probability of success. In PACG, the probability of success was significantly higher if the highest preoperative IOP was <42 mm Hg, the number of antiglaucoma medications before surgery was <3, or the areas of peripheral anterior synechiae were <4 clock hours. CONCLUSIONS Primary small-incision cataract surgery using phacoemulsification and foldable intraocular lens implantation may be the procedure of choice in patients with medically controlled glaucoma and coexisting visually significant cataracts, considering the highest preoperative IOP and number of antiglaucoma medications in POAG and PACG, and the area of peripheral anterior synechiae in PACG.
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Affiliation(s)
- Yeon-Hee Lee
- Department of Ophthalmology, College of Medicine, Chungnam National University, Daejon, Korea
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25
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Phacoemulsification Treatment of Subjects With Acute Primary Angle Closure and Chronic Primary Angle-closure Glaucoma. J Glaucoma 2009; 18:646-51. [DOI: 10.1097/ijg.0b013e31819c4322] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Angle closure glaucoma remains a major challenge for ophthalmologists. The three main challenges in the treatment of angle closure glaucoma are, firstly, to achieve rapid reduction of intraocular pressure in acute angle closure glaucoma, secondly, to prevent progression to chronic angle closure glaucoma, and thirdly, to manage established chronic angle closure glaucoma. Incisional surgery for angle closure glaucoma is typically required when laser surgery and/or medical therapy fail to control the intraocular pressure or control progressive synechial closure. The role for surgical iridectomy and emergency trabeculectomy in the modern management of acute angle closure glaucoma is diminishing. Trabeculectomy, goniosynechialysis, cyclodestructive procedures, and glaucoma implant are effective surgical options for chronic angle closure glaucoma, but none of them have been shown to be more effective than the others with proper comparative clinical trials. Trabeculectomy and goniosynechialysis are often combined with cataract extraction, which appears to offer additional pressure-control benefits to patients with chronic angle closure glaucoma.
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Affiliation(s)
- Jimmy S M Lai
- Department of Ophthalmology, United Christian Hospital, Kowloon, Hong Kong, People's Republic of China
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Tarongoy P, Ho CL, Walton DS. Angle-closure glaucoma: the role of the lens in the pathogenesis, prevention, and treatment. Surv Ophthalmol 2009; 54:211-25. [PMID: 19298900 DOI: 10.1016/j.survophthal.2008.12.002] [Citation(s) in RCA: 135] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Primary angle-closure glaucoma is a major cause of blindness worldwide. It is a disease of ocular anatomy that is related to pupillary-block and angle-crowding mechanisms of filtration angle closure. Eyes at increased risk for primary angle-closure are small with decreased axial length, anterior chamber depth, and filtration angle width, associated with a proportionately large lens. Angle-closure glaucoma afflicts Asian and Eskimo eyes more frequently than eyes in other races with similar predisposing dimensions. The treatment of primary angle closure addresses its causal mechanisms. Laser peripheral iridotomy equalizes the anterior and posterior pressures and widens the filtration angle by reducing the effect of pupillary block. Argon laser peripheral iridoplasty contracts the iris stroma to reduce angle crowding and is helpful for some affected eyes. Lensectomy dramatically widens the angle and eliminates pupillary block. Clinical reports of lensectomy with posterior chamber intraocular lens implantation in the treatment of acute, chronic, and secondary angle-closure glaucoma describe very favorable results. The appropriate role for lensectomy in the management of primary angle closure, however, remains unproven. Prospective, randomized clinical trials are ongoing to determine the value and comparative risks and efficacy of lensectomy versus medical therapy, laser peripheral iridotomy, laser iridoplasty, and filtration procedures for the treatment of acute and chronic primary angle closure and for the prevention of chronic angle-closure glaucoma, both after and in place of laser peripheral iridotomy.
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Affiliation(s)
- Pamela Tarongoy
- Associated Cebu Eye Specialists (ACES), Cebu City, Philippines
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Trends in Rates of Primary Angle Closure Glaucoma and Cataract Surgery in England From 1968 to 2004. J Glaucoma 2009; 18:201-5. [DOI: 10.1097/ijg.0b013e318181540a] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Phacoemulsification versus combined phacotrabeculectomy in medically uncontrolled chronic angle closure glaucoma with cataracts. Ophthalmology 2009; 116:725-31, 731.e1-3. [PMID: 19243831 DOI: 10.1016/j.ophtha.2008.12.054] [Citation(s) in RCA: 140] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2008] [Revised: 12/12/2008] [Accepted: 12/19/2008] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE To compare phacoemulsification alone versus combined phacotrabeculectomy in medically uncontrolled chronic angle closure glaucoma (CACG) with coexisting cataract. DESIGN Prospective randomized clinical trial. PARTICIPANTS Fifty-one medically uncontrolled CACG eyes with coexisting cataract of 51 patients. INTERVENTION Recruited patients were randomized into group 1 (phacoemulsification alone) or group 2 (combined phacotrabeculectomy with adjunctive mitomycin C). Postoperatively, patients were reviewed every 3 months for 2 years. MAIN OUTCOME MEASURES Intraocular pressure (IOP) and requirement for topical glaucoma drugs. RESULTS Twenty-seven CACG eyes were randomized into group 1, and 24 CACG eyes were randomized into group 2. Combined phacotrabeculectomy resulted in lower mean postoperative IOP than phacoemulsification alone at 3 months (14.0 vs. 17.0 mmHg, P = 0.01), 15 months (13.2 vs. 15.4 mmHg, P = 0.02), and 18 months (13.6 vs. 15.9 mmHg, P = 0.01). Combined phacotrabeculectomy resulted in 1.25 fewer topical glaucoma drugs (P<0.001) in the 24-month postoperative period, compared with phacoemulsification alone. Combined surgery was associated with more postoperative complications (P<0.001) and more progression of optic neuropathy (P = 0.03), compared with phacoemulsification alone. CONCLUSIONS Combined phacotrabeculectomy with adjunctive mitomycin C is more effective than phacoemulsification alone in controlling IOP in medically uncontrolled CACG eyes with coexisting cataract. Combined phacotrabeculectomy is associated with more postoperative complications.
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Phacoemulsification versus combined phacotrabeculectomy in medically controlled chronic angle closure glaucoma with cataract. Ophthalmology 2008; 115:2167-2173.e2. [PMID: 18801576 DOI: 10.1016/j.ophtha.2008.06.016] [Citation(s) in RCA: 116] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2007] [Revised: 06/11/2008] [Accepted: 06/11/2008] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE To compare phacoemulsification alone versus combined phacotrabeculectomy in medically controlled chronic angle closure glaucoma (CACG) with coexisting cataract. DESIGN Randomized clinical trial. PARTICIPANTS Seventy-two medically controlled CACG eyes with coexisting cataract. INTERVENTION Recruited patients were randomized into group 1 (phacoemulsification alone) or group 2 (combined phacotrabeculectomy with adjunctive mitomycin C). Postoperatively, patients were reviewed every 3 months for 2 years. MAIN OUTCOME MEASURES Intraocular pressure (IOP) and requirement for topical glaucoma drugs. RESULTS Thirty-five CACG eyes were randomized into group 1, and 37 CACG eyes were randomized into group 2. There were no statistically significant differences (P>0.05) in mean IOP between the 2 treatment groups preoperatively and postoperatively, except at 1 month (P = 0.001) and 3 months (P = 0.008). Combined phacotrabeculectomy with adjunctive mitomycin C resulted in 0.80 less topical glaucoma drugs (P<0.001) in the 24-month postoperative period compared with phacoemulsification alone. The differences in IOP control were, however, not associated with differences in glaucomatous progression. Combined surgery was associated with more postoperative (P<0.001) complications compared with phacoemulsification alone. CONCLUSIONS Combined phacotrabeculectomy with adjunctive mitomycin C may be marginally more effective than phacoemulsification alone in controlling IOP in medically controlled CACG eyes with coexisting cataract. Combined surgery may be associated with more complications and additional surgery in the postoperative period. Further study is needed to determine whether the marginally better IOP control of combined surgery justifies the potential additional risks of complications and further surgery. FINANCIAL DISCLOSURE(S) The authors have no proprietary or commercial interest in any materials discussed in this article.
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Hu CC, Lin HC, Chen CS, Kuo NW. Reduction in admissions of patients with acute primary angle closure occurring in conjunction with a rise in cataract surgery in Taiwan. Acta Ophthalmol 2008; 86:440-5. [PMID: 18028235 DOI: 10.1111/j.1600-0420.2007.01066.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
PURPOSE Using 8 year nationwide administrative data, this study sets out to investigate the relationship between the total number of cataract operations undertaken in Taiwan and admissions for acute primary angle closure (APAC). METHODS Monthly cataract surgery and APAC admission rates, per 100,000 of the population, were provided by 1997-2004 inpatient and outpatient data obtained from the Taiwanese National Health Insurance Research Database. The 3814 cases of APAC and 503 687 patients who had undergone cataract operations were categorized by age groups (40-49, 50-59, 60-69 and > or =70 years) and by gender. Spearman rank correlation coefficients were used to examine the direction and strength of the relationships. RESULTS Throughout the study period, the admissions for APAC showed a steady decline from 630 cases in 1997 to 351 cases in 2004, while the number of cataract operations revealed a gradual increase from 26 600 in 1997 to 77 924 in 2004. The Spearman rank correlation coefficients showed significant inverse relationships between monthly APAC admission rates and monthly cataract operation rates for the total group (r = -0.407, P < 0.001), males (r = -0.330, P < 0.001), females (r = -0.444, P < 0.001), 40-49 year olds (r = -0.335, P < 0.001), 50-59 year olds (r = -0.497, P < 0.001) and 60-69 year olds (r = -0.417, P < 0.001). No significant inverse relationship was observed for the > or =70 age group. CONCLUSION Significant inverse relationships were noted between the monthly APAC admission rates and the monthly cataract operation rates. We recommend that data should be collected from other regions and ethnic groups to determine the inter-relationships.
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Affiliation(s)
- Chao-Chien Hu
- School of Health Care Administration, Taipei Medical University, Taiwan
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Hata H, Yamane S, Hata S, Shiota H. Preliminary outcomes of primary phacoemulsification plus intraocular lens implantation for primary angle-closure glaucoma. THE JOURNAL OF MEDICAL INVESTIGATION 2008; 55:287-91. [DOI: 10.2152/jmi.55.287] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Hiroko Hata
- Department of Ophthalmology, Institute of Health Biosciences, the University of Tokushima Graduate School
| | | | | | - Hiroshi Shiota
- Department of Ophthalmology, Institute of Health Biosciences, the University of Tokushima Graduate School
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Levkovitch-Verbin H, Habot-Wilner Z, Burla N, Melamed S, Goldenfeld M, Bar-Sela SM, Sachs D. Intraocular Pressure Elevation within the First 24 Hours after Cataract Surgery in Patients with Glaucoma or Exfoliation Syndrome. Ophthalmology 2008; 115:104-8. [PMID: 17561259 DOI: 10.1016/j.ophtha.2007.03.058] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2006] [Revised: 03/21/2007] [Accepted: 03/21/2007] [Indexed: 10/23/2022] Open
Abstract
OBJECTIVE To investigate whether eyes with glaucoma or exfoliation syndrome without glaucoma are prone to exhibit intraocular pressure (IOP) elevation shortly after cataract surgery and, if so, whether timolol maleate 0.5% reduces these spikes. DESIGN Prospective randomized double-masked clinical trial. PARTICIPANTS One hundred twenty-two patients with normal eyes, medically well-controlled glaucoma, or exfoliation syndrome who underwent uneventful phacoemulsification cataract extraction. METHODS Patients were randomly assigned to an immediately postoperative drop of either timolol maleate 0.5% or no treatment. Intraocular pressure was measured preoperatively and 4, 8, and 24 hours and 1 week later. MAIN OUTCOME MEASURES Intraocular pressure measurements. RESULTS The changes in postoperative IOP over time differed significantly between glaucoma, exfoliation syndrome, and normal (P = 0.005). Intraocular pressure was significantly lower in the normal group (n = 25) than in both the glaucoma (n = 18) and exfoliation syndrome (n = 19) groups (P<0.001). With 1 drop of prophylactic timolol maleate 0.5% at completion of surgery, the normal group (n = 25) again had IOP significantly lower than those of the glaucoma (n = 15) and exfoliation syndrome (n = 20) groups (P<0.001). Treatment with timolol maleate 0.5% significantly changed postoperative IOP over time in the glaucomatous eyes (P = 0.003), but it made no difference in the exfoliation syndrome (P = 0.4) or normal (P = 0.5) eyes. Intraocular pressure > 25 mmHg did not occur among normal eyes. Intraocular pressure > 25 mmHg and > 30 mmHg occurred in 10 (55%) and 5 (28%) glaucoma patients, respectively, and 5 (27%) and 2 (11%) exfoliation syndrome patients, respectively. Timolol maleate 0.5% eliminated IOP spikes > 30 mmHg and reduced the frequency of IOP > 25 mmHg in both groups to 14% in the glaucoma group and 5% in the exfoliation syndrome group. Most IOP elevation occurred at 4 hours postoperatively. The mean IOP was <20 mmHg in all groups 1 day postoperatively. CONCLUSIONS Medically well-controlled glaucoma patients and patients with exfoliation syndrome may experience IOP elevation shortly after cataract surgery. Instillation of timolol maleate 0.5% at the end of the procedure in this series eliminated IOP > 30 mmHg, but IOP elevation below that level can still occur.
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Oksuz H, Tamer C, Akoglu S, Duru M. Acute angle-closure glaucoma precipitated by local tiotropium absorption. Pulm Pharmacol Ther 2007; 20:627-8. [PMID: 17005425 DOI: 10.1016/j.pupt.2006.07.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2006] [Revised: 07/04/2006] [Accepted: 07/18/2006] [Indexed: 11/17/2022]
Abstract
Acute angle-closure glaucoma is a rare form of glaucoma occurring when the filtration mechanism for the aqueous humor is obstructed by apposition of the peripheral iris to the trabecular meshwork. It may be precipitated by pupillary dilatation in a predisposed eye. In this case report, a possible relationship between local tiotropium absorption and acute angle-closure glaucoma attack is presented.
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Affiliation(s)
- H Oksuz
- Department of Ophthalmology, Mustafa Kemal University, Medical Faculty, 31100 Hatay, Turkey.
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Tham CCY, Kwong YYY, Lai JSM, Lam DSC, Ritch R. Surgical management of chronic angle-closure glaucoma. EXPERT REVIEW OF OPHTHALMOLOGY 2007. [DOI: 10.1586/17469899.2.2.185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Abstract
BACKGROUND Angle-closure glaucoma is characterized by obstruction to the outflow of aqueous humor and consequent rise in intraocular pressure. The obstruction may result from an anatomical predisposition of the eye or may be due to pathophysiologic processes in any part of the eye. The former is considered the primary form and the latter a secondary form of angle closure. Relative pupillary block obstructing free flow of aqueous from the posterior chamber of the eye to the anterior chamber is considered to be the most common mechanism of angle closure. Crowding of the angle is another mechanism, which often coexists with pupillary block. This can result from an anterior placement of the lens due to an increase in the thickness of the lens (as occurs with aging), anterior displacement by a posterior force (for example choroidal effusion), or laxity of the zonules. OBJECTIVES The objective of this review was to assess the effectiveness of lens extraction for chronic primary angle-closure glaucoma compared with other interventions for the condition in people without past history of acute-angle closure attacks. SEARCH STRATEGY We searched CENTRAL (2005, Issue 3), MEDLINE (1950 to April 2006), EMBASE (1980 to April 2006), and LILACS (to August 2005). We searched the reference lists of included studies and used the Science Citation Index database. SELECTION CRITERIA In the absence of any randomized trials we included non-randomized studies comparing lens extraction with other treatment modalities for chronic primary angle-closure glaucoma including, but not limited to, laser iridotomy, medications, and laser iridoplasty. We excluded studies with a case-series design. DATA COLLECTION AND ANALYSIS Two authors independently extracted data on methodological quality of the included studies, outcomes for the review, and study characteristics including participant characteristics, interventions, and sources of funding. Differences were resolved through discussion. MAIN RESULTS We found no randomized trials evaluating the effects of lens extraction as a treatment for chronic primary angle-closure glaucoma. Two non-randomized comparative studies included in the review have several methodological flaws including selection bias. While these studies and other non-comparative studies provide information on biological plausibility and treatment effect they do not provide proof of effectiveness. Also, they do not address the question of how primary lens extraction compares with other treatments for chronic primary angle-closure glaucoma. AUTHORS' CONCLUSIONS There is no evidence from good quality randomized trials or non-randomized studies of the effectiveness of lens extraction for chronic primary angle-closure glaucoma.
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Affiliation(s)
- D S Friedman
- Wilmer Eye Institute / Johns Hopkins University, Ophthalmology Department, 600 North Wolfe Street, Wilmer 120, Baltimore, MD 21287, USA.
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Kashiwagi K, Kashiwagi F, Tsukahara S. Effects of small-incision phacoemulsification and intraocular lens implantation on anterior chamber depth and intraocular pressure. J Glaucoma 2006; 15:103-9. [PMID: 16633222 DOI: 10.1097/00061198-200604000-00005] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE To examine prospectively the effects of small-incision phacoemulsification and intraocular lens implantation (PEA+IOL) on anterior chamber depth (ACD) and intraocular pressure (IOP) using a newly developed scanning peripheral ACD analyzer (SPAC). MATERIALS AND METHODS Twenty-eight eyes of 21 patients who underwent PEA+IOL without any complications were examined and divided into 7 eyes each of grades 1 to 4 according to the Van Herick technique. The SPAC measured ACD consecutively from the vicinity of the pupil center to the periphery at 0.4-mm intervals. Changes in ACD and IOP as a result of PEA+IOL were investigated, and the factors contributing to the changes in ACD and IOP were examined. RESULTS PEA+IOL increased ACD significantly at all groups. The average changing rates were 3.19 +/- 0.67 times (Van Herick grade 1), 2.00 +/- 0.80 times (Van Herick grade 2), 1.92 +/- 0.32 times (Van Herick grade 3), and 1.36 +/- 0.65 times (Van Herick grade 4), respectively. The closer to the pupil center the measurement point was, the larger was the increase in ACD. However, the rates of increase in ACD were similar among the measurement points. The increases in ACD were significantly large in patients having a shallow preoperative ACD and a small optic axis length. The IOP reduction became significantly large in eyes with a shallow preoperative ACD. CONCLUSIONS The SPAC enabled quantitative measurement of changes in ACD from the vicinity of the pupil center to the periphery as a result of PEA+IOL. Changes in ACD resulting from PEA+IOL were thought to exert a greater effect on aqueous humor outflow facility as the postoperative ACD became shallower.
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Affiliation(s)
- Kenji Kashiwagi
- Department of Ophthalmology, University of Yamanashi Faculty of Medicine, Tamaho, Yamanashi, Japan.
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Nonaka A, Kondo T, Kikuchi M, Yamashiro K, Fujihara M, Iwawaki T, Yamamoto K, Kurimoto Y. Angle widening and alteration of ciliary process configuration after cataract surgery for primary angle closure. Ophthalmology 2006; 113:437-41. [PMID: 16513457 DOI: 10.1016/j.ophtha.2005.11.018] [Citation(s) in RCA: 98] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2005] [Revised: 10/11/2005] [Accepted: 11/13/2005] [Indexed: 11/30/2022] Open
Abstract
PURPOSE To evaluate quantitatively, by means of ultrasound biomicroscopy (UBM), changes in the anterior segment configuration, including the ciliary processes, induced by cataract surgery in eyes with primary angle closure. DESIGN Retrospective interventional case series. PARTICIPANTS Thirty-one eyes of 31 patients with primary angle closure or primary angle-closure glaucoma were treated with cataract surgery. Before cataract surgery, 10 eyes had been treated with laser peripheral iridotomy, and 1 with laser peripheral iridoplasty. METHODS Configuration of the anterior chamber was examined by means of UBM before and at 3 months after cataract surgery. MAIN OUTCOME MEASURES Using UBM, anterior chamber depth (ACD), angle opening distance at points 500 mum from the scleral spur (AOD500), and trabecular-ciliary process distance (TCPD) were measured. RESULTS Not only ACD and AOD500, but also TCPD, increased significantly after cataract surgery, compared with measurements obtained before surgery (P<0.001). Postoperative AOD500 was correlated significantly with postoperative TCPD (r = 0.72, P<0.001) and with the amount of change of TCPD caused by cataract surgery (Delta TCPD) (r = 0.52, P<0.01). CONCLUSIONS Cataract surgery attenuated anterior positioning of the ciliary processes in eyes with primary angle closure, concomitant with significant widening of the angle. Cataract surgery resulted in not only complete dissolution of lens volume and pupillary block, but also attenuation of the anterior positioning of the ciliary processes, all of which contributed to postoperative widening of the angle in eyes with primary angle closure.
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Affiliation(s)
- Atsushi Nonaka
- Department of Ophthalmology, Kobe City General Hospital, Kobe, Japan.
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Bleckmann H, Keuch R. Kataraktoperation mit Hinterkammerlinsenimplantation zur Behandlung des akuten Glaukoms. Ophthalmologe 2006; 103:199-203. [PMID: 16132994 DOI: 10.1007/s00347-005-1255-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
OBJECTIVE The aim of this study was to compare phacoemulsification in eyes with angle-closure glaucoma to the partner eyes with or without iridectomy or laser iridotomy, respectively. METHODS Twelve eyes with an elevated intraocular pressure due to an angle closure that were treated by phacoemulsification and IOL implantation were compared with 12 partner eyes with narrow angle and iridectomy or iridotomy without intraocular pressure elevation and cataract extraction. The average follow-up period was 15.7+/-2.1 months. RESULTS The average intraocular pressure in eyes with angle-closure glaucoma was 54.1+/-14.7 mmHg and in the partner eyes 22.4+/-8.6 mmHg preoperatively. Follow-up pressure was 19.3+/-2.0 mmHg in eyes with angle-closure glaucoma and 18.8+/-1.5 mmHg in the partner eyes. CONCLUSION Primary cataract extraction including posterior chamber lens implantation into eyes with angle-closure glaucoma reduced intraocular pressure to normal levels, increased visual acuity, and decreased the number of antiglaucomatous drugs. Eyes with angle-closure glaucoma do not respond differently to phacoemulsification and lens implantation compared to eyes with narrow angle without pressure elevation during and after phacoemulsification.
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Affiliation(s)
- H Bleckmann
- Augenzentrum des DRK-Klinikums Westend, Akademisches Lehrkrankenhaus der Humbold-Universität, Spandauer Damm 130, 14050 Berlin.
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Lai JSM, Tham CCY, Chan JCH. The Clinical Outcomes of Cataract Extraction by Phacoemulsification in Eyes With Primary Angle-Closure Glaucoma (PACG) and Co-Existing Cataract. J Glaucoma 2006; 15:47-52. [PMID: 16378018 DOI: 10.1097/01.ijg.0000196619.34368.0a] [Citation(s) in RCA: 131] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE To evaluate the clinical outcomes of minimally invasive cataract extraction by phacoemulsification, with primary intraocular lens implantation, in eyes with primary angle-closure glaucoma (PACG) and co-existing cataract. MATERIALS AND METHODS Consecutive primary angle-closure glaucoma patients with co-existing visually significant cataract were invited to participate in this prospective study. After obtaining informed consent, cataract extraction by phacoemulsification through a clear corneal incision was performed under topical anesthesia. Foldable intraocular lenses were implanted in the same setting. These patients were then followed up for a minimum of 1 year. Outcome measures included intraocular pressure (IOP), requirement for glaucoma drugs, and visual acuity. RESULTS Twenty-one primary angle-closure glaucoma eyes of 21 patients were recruited. Mean age (+/- SD) was 73.7 +/- 8.1 years (range, 60-87 years). There were 12 female patients and 9 male patients, with 13 right eyes and 8 left eyes. Nine eyes (42.9%) had history of acute primary angle closure. Mean follow-up duration was 20.7 +/- 3.6 months (range, 13-26 months). Intraocular pressure was decreased from a mean preoperative level of 19.7 +/- 6.1 mm Hg (range, 11 mm Hg-40 mm Hg) to 15.5 +/- 3.9 mm Hg (range, 9 mm Hg-26 mm Hg) at final follow-up (P = 0.022) (paired t test). The number of glaucoma eye drops required was decreased from a mean preoperative level of 1.91 +/- 0.77 (range, 1-3) to 0.52 +/- 0.87 (range, 0-3) at final follow-up (P < 0.001) (paired t test). In 10 eyes (47.6%), visual acuity improved significantly after surgery. In 9 eyes (42.9%), visual acuity remained the same. In 2 eyes (9.5%), visual acuity deteriorated significantly after surgery. Mean cup-to-disc ratio was 0.6 +/- 0.2 (range, 0.3-0.9) preoperatively, and 0.7 +/- 0.2 (range, 0.3-0.9) postoperatively (P = 0.047) (paired t test). CONCLUSIONS In primary angle-closure glaucoma patients with co-existing cataract, cataract extraction alone (by phacoemulsification) can significantly reduce both intraocular pressure and the requirement for glaucoma drugs.
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Affiliation(s)
- Jimmy S M Lai
- Department of Ophthalmology, United Christian Hospital, Kowloon, Hong Kong SAR, Peoples' Republic of China.
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Abstract
Recent developments and clinical studies indicate that primary phacoemulsification and intraocular lens implantation are safe and effective for the surgical treatment of primary angle closure glaucoma (ACG) compared to conventional iridectomy or laser-iridotomy. When compared to control eyes treated using standard peripheral iridectomy, the outcome in terms of intraocular pressure control, adjunct anti-glaucoma medication, visual acuity, and the necessity for successive surgical interventions favored primary phacoemulsification and intraocular lens implantation. Earlier biometric data underline the importance of the "lens factor" in the pathogenesis of relative pupillary block in ACG obtained by Scheimflug image processing and ultrasound biomicroscopy. The vast improvements in modern cataract surgery combined with our current understanding of the pathogenesis of relative pupillary block in ACG indicate that lens extraction is a better procedure in uncontrolled angle closure glaucoma than conventional iridectomy.
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Affiliation(s)
- P C Jacobi
- Arzte für Augenheilkunde, VENI VIDI, Köln.
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Issa SA, Pacheco J, Mahmood U, Nolan J, Beatty S. A novel index for predicting intraocular pressure reduction following cataract surgery. Br J Ophthalmol 2005; 89:543-6. [PMID: 15834080 PMCID: PMC1772653 DOI: 10.1136/bjo.2004.047662] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIM The results of a study designed to investigate the predictive value of preoperative anterior chamber depth (ACD) and intraocular pressure (IOP) are reported. The relation between these factors and their effect on the reduction in IOP following phacoemulsification cataract surgery was also studied. METHODS The ACD and IOP were prospectively measured in 103 non-glaucomatous eyes of 103 patients who underwent uneventful phacoemulsification and posterior chamber intraocular lens (PCIOL) implantation. Other data which were recorded included best corrected visual acuity, axial length, lens thickness, and severity of lens opacity. RESULTS The ACD increased by a mean (SD) of 1.10 (0.44) mm (p<0.00001) and this increase was significantly and inversely related to preoperative ACD (r(2) = 68%; p<0.01). IOP dropped by a mean of 2.55 (1.78) mm Hg following cataract surgery (p<0.0001), and this reduction was significantly and positively related to preoperative IOP (r(2) = 56%; p<0.01), and significantly and inversely related to preoperative ACD (r(2) = 21%; p<0.01). A novel ratio, the pressure to depth (PD) ratio (preoperative IOP/preoperative ACD), was found to be significantly and positively related to the surgically induced reduction in IOP (r(2) = 73%; p<0.01), and IOP was reduced by > or =4 mm Hg in all patients with a PD ratio >7. CONCLUSION The reduction in IOP following cataract surgery was found to be positively related to preoperative IOP, and inversely related to preoperative ACD. Furthermore, these results indicate that a novel index, the PD ratio, is strongly predictive for IOP reduction following cataract extraction, and may prove useful in surgical decision making.
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Affiliation(s)
- S A Issa
- Department of Ophthalmology, Waterford Regional Hospital, Waterford, Republic of Ireland.
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Hayashi K, Hayashi H. Comparison of amplitude of apparent accommodation in pseudophakic eyes with that of normal accommodation in phakic eyes in various age groups. Eye (Lond) 2005; 20:290-6. [PMID: 15818390 DOI: 10.1038/sj.eye.6701863] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
PURPOSE To compare the amplitude of apparent accommodation in eyes with monofocal intraocular lenses with that of normal accommodation in the phakic fellow eyes in various age groups. PATIENTS AND METHODS In all, 130 eyes of 130 patients scheduled to undergo cataract surgery, and 130 fellow eyes that had little cataract and good visual acuity of 20/33 or better were studied. The following groups were studied: in their 40s and younger (n = 20) or in their 50s (n = 30), 60s (n = 30), 70s (n = 30), and 80s (n = 20). Using an accommodometer (Kowa HS-9E), the accommodative amplitude was measured at 1 month after surgery. RESULTS In the patients in their 40s and younger or in their 50s, the amplitude of apparent accommodation was significantly less than that of normal accommodation; no significant difference was observed in the patients in their 60s, 70s, or 80s. The incidence of patients in whom the amplitude of apparent accommodation was more than that of normal accommodation was greater in the patients in their 60s, 70s, and 80s than in the patients in their 40s and younger and in their 50s. CONCLUSION The amplitude of apparent accommodation is virtually equivalent to that of normal accommodation in patients older than 60 years of age.
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Affiliation(s)
- K Hayashi
- Hayashi Eye Hospital, Fukuoka, Japan.
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Yasutani H, Hayashi K, Hayashi H, Hayashi F. Intraocular pressure rise after phacoemulsification surgery in glaucoma patients. J Cataract Refract Surg 2004; 30:1219-24. [PMID: 15177595 DOI: 10.1016/j.jcrs.2002.11.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2002] [Indexed: 11/29/2022]
Abstract
PURPOSE To examine the changes in intraocular pressure (IOP) and the incidence of substantial rises in IOP in the early period after cataract surgery in eyes with open-angle glaucoma (OAG). SETTING Hayashi Eye Hospital, Fukuoka, Japan. METHODS The study included 32 eyes of 32 patients with OAG and 31 control eyes of 31 age-matched patients scheduled for phacoemulsification surgery. The IOP was measured preoperatively and 1, 2, 3, 5, 7, 14, and 28 days postoperatively. The incidence of a substantial rise in IOP postoperatively was evaluated, with the criterion being an IOP higher than 30 mm Hg. RESULTS In the OAG group, the mean IOP increased 1, 2, and 3 days postsurgery and then decreased, whereas in the control group, it decreased from day 1 postsurgery. Although no significant differences were found between groups preoperatively, the mean IOP in the OAG group was significantly higher than in the control group postoperatively. Furthermore, the mean IOP decrease was also less in the OAG group than in the control group. A substantial increase in IOP occurred at day 1 postsurgery in 4 eyes (12.5%) in the OAG group, whereas no eyes in the control group showed such an increase; this difference was significant (P =.0419). CONCLUSIONS A substantial increase in IOP occurred in an approximately 13% of eyes with OAG 1 day after phacoemulsification surgery. The IOP shortly after surgery was significantly greater in the eyes with OAG than in nonglaucomatous eyes.
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Wang JK, Lai PC. Unusual presentation of angle-closure glaucoma treated by phacoemulsification. J Cataract Refract Surg 2004; 30:1371-3. [PMID: 15177620 DOI: 10.1016/j.jcrs.2003.10.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/14/2003] [Indexed: 11/17/2022]
Abstract
We report the case of a 70-year-old woman with a history of acute primary angle-closure glaucoma (PACG) in the left eye who, 2 hours after a fundus examination and mydriasis, experienced acutely elevated intraocular pressure (IOP) up to 40 mm Hg in the presence of fully dilated pupil and a patent iridotomy. Gonioscopy revealed appositional angle closure in 3 quadrants. After medical control of the IOP, sutureless cataract surgery was performed, including clear corneal incision, phacoemulsification, and soft acrylic posterior chamber intraocular lens (IOL) implantation. Eighteen months after the operation, improvement of visual acuity, widening of anterior chamber angle, and deepening of anterior chamber depth were found. Intraocular pressures are now normal without medication, even after mydriasis. Modern cataract surgery is an effective treatment for selected patients with appositional angle closure and IOP elevation after acute PACG.
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Affiliation(s)
- Jia-Kang Wang
- Department of Ophthalmology, Far Eastern Memorial Hospital, Taipei, Taiwan
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Affiliation(s)
- Ching Lin Ho
- Massachusetts Ear and Eye Infirmary, Boston 02114, USA
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Tow SL, Aung T, Oen FT, Seah SK. Combined phacoemulsification, intraocular lens implantation and trabeculectomy for chronic angle closure glaucoma. Int Ophthalmol 2003; 24:283-9. [PMID: 14531631 DOI: 10.1023/a:1025478923950] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
PURPOSE To investigate the results of combined phacoemulsification, intraocular lens implantation and trabeculectomy in Asian patients with chronic angle closure glaucoma (CACG). METHODS This was a retrospective non-comparative case series of 55 consecutive patients (57 eyes) who underwent phacoemulsification, posterior chamber intraocular lens implantation and trabeculectomy for CACG at the Singapore National Eye Centre between 1997-1998. The surgical outcome was assessed in terms of intraocular pressure (IOP), the incidence of complications and the visual acuity at last follow-up. Success was defined as final IOP < or = 21 mmHg without medication and qualified success as final IOP < or = 21 mmHg with medication. Patients with final IOP > 21 mmHg who required further glaucoma surgery, lost light perception or became pthisical, were classified as failures. The eyes were further categorized into two groups according to whether single-site or separate-site surgery was performed. The outcome was also compared among eyes in which per-operative antimetabolites were applied to the trabeculectomy site and those without antimetabolites. RESULTS The mean follow up was 22.0 +/- 5.6 months (mean +/- SD). Success was achieved in 46 (81%) eyes, qualified success in 10 (17%) eyes, and failure in 1 (2%) eye. In terms of IOP outcome, the success rate was similar in the two surgical groups (single-site or separate-site). There was no significant difference in IOP outcome among eyes in which per-operative antimetabolites were used and eyes with no per-operative antimetabolites use. Forty-one eyes (72%) had 6/12 or better vision. There were no cases of intraoperative complications and the incidence of postoperative complications was low. CONCLUSIONS Combined phacoemulsification, intraocular lens implantation and trabeculectomy is associated with good intraocular pressure control and visual outcome in patients with CACG.
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Affiliation(s)
- S L Tow
- Singapore National Eye Centre, 11 Third Hospital Avenue, Singapore 168751
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Pereira FAS, Cronemberger S. Ultrasound biomicroscopic study of anterior segment changes after phacoemulsification and foldable intraocular lens implantation. Ophthalmology 2003; 110:1799-806. [PMID: 13129880 DOI: 10.1016/s0161-6420(03)00623-7] [Citation(s) in RCA: 82] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To report quantitative changes in the anterior segment configuration after clear corneal incision phacoemulsification and foldable intraocular lens (IOL) implantation by means of ultrasound biomicroscopy (UBM). DESIGN Prospective, nonrandomized, comparative (self-controlled) trial. PARTICIPANTS Twenty-one eyes of 19 patients with senile or presenile cataracts and no other ocular illness. METHODS Patients were examined with UBM before and 1 and 3 months after surgery. At each UBM examination, axial images of the anterior chamber and radial sections of the angle at the superior, lateral, inferior, and medial quadrants were obtained. MAIN OUTCOME MEASURES Central anterior chamber depth (ACD), iris-lens contact distance, iris-lens angle (ILA), angle opening distance at points 250 (AOD250) and 500 microm (AOD500) from the scleral spur, trabecular-iris angle (TIA), iris thickness 500 microm from the scleral spur (IT), trabecular-ciliary process distance (TCPD), iris-ciliary process distance (ICPD), iris-zonule distance, iris-sclera angle (ISA), and ciliary process-sclera angle (CPSA). After surgery, central anterior chamber depth was also measured from the cornea to the IOL (ACD) and from the cornea to the pupillary plane (ACD2). Each variable was measured twice in different days by the same observer. RESULTS The variables IT, TCPD, ICPD, IZD, and CPSA did not significantly change after surgery (P > 0.01). Central anterior chamber depth increased approximately 30% after surgery (approximately 850 microm; P < 0.001), by both measurement methods used (ACD x ACD and ACD x ACD2). Anterior chamber angle significantly increased, by approximately 50% of the initial value, by the three measurement methods used: AOD250 (P <or= 0.002), AOD500 (P < 0.001), and TIA (P <or= 0.003). The ISA increased by approximately 10 degrees (30%) after surgery (P < 0.001). The ILCD and ILA did not exist after surgery, except in two eyes. CONCLUSIONS After phacoemulsification and foldable IOL implantation, UBM revealed that the iris diaphragm shifted backward, deepening the anterior chamber by approximately 850 microm and widening its angle by approximately 10 degrees. These findings may be of clinical significance in eyes with angle-closure glaucoma or with occludable angles.
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Affiliation(s)
- Frederico A S Pereira
- Department of Ophthalmology, Federal University of Minas Gerais, Belo Horizonte, Brazil.
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Shingleton BJ, Heltzer J, O'Donoghue MW. Outcomes of phacoemulsification in patients with and without pseudoexfoliation syndrome. J Cataract Refract Surg 2003; 29:1080-6. [PMID: 12842671 DOI: 10.1016/s0886-3350(02)01993-4] [Citation(s) in RCA: 113] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
UNLABELLED To characterize the differences in technique, complications, and outcomes in a large series of cataract extractions in patients with and without pseudoexfoliation (PEX) syndrome. SETTING Ophthalmic Consultants of Boston, Boston, Massachusetts, USA. METHODS A retrospective analysis was performed of 297 cases of cataract extraction in patients with PEX and 427 cases of cataract extraction in patients without PEX. This study examined and quantified the intraoperative and postoperative complications, performed a comparative outcomes analysis of intraocular pressure (IOP) change, and determined the prevalence of systemic vascular diseases in these patients. RESULTS The overall rate of vitreous loss was 4% (7/297) in the PEX population and 0% (0/427) in the non-PEX group. There were no overall differences in the rate of postoperative complications. At 2 years, IOP had declined from a mean of 16.8 to 13.9 mm Hg in the PEX group and from 16.3 to 14.4 mm Hg in the non-PEX group. The decline was significantly greater in the PEX group. The prevalence of hypertension and diabetes was significantly greater in the non-PEX group (50% and 11%, respectively) than in the PEX group (38% and 5%, respectively). CONCLUSIONS The increased frequency of intraoperative complications during cataract extraction in PEX patients stemmed from zonular weakness rather than capsule tears. Postoperative IOP declines were greater in the PEX group even 2 years after cataract extraction, suggesting the potential for long-term improvement in outflow facility in patients with coexisting cataract and glaucoma.
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Affiliation(s)
- Bradford J Shingleton
- Ophthalmic Consultants of Boston, Center for Eye Research and Education, Boston, Massachusetts 02114, USA
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