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Zebardast N, Zheng C, Jampel HD. Effect of a Schlemm's Canal Microstent on Early Postoperative Intraocular Pressure after Cataract Surgery: An Analysis of the HORIZON Randomized Controlled Trial. Ophthalmology 2020; 127:1303-1310. [PMID: 32143828 DOI: 10.1016/j.ophtha.2020.01.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 12/12/2019] [Accepted: 01/14/2020] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To compare early postoperative intraocular pressure (IOP) in patients who underwent cataract surgery alone with those who underwent cataract surgery combined with implantation of a Hydrus Microstent (HMS) (Ivantis, Irvine, CA). DESIGN Subanalysis of data from the randomized controlled HORIZON trial, a multicenter trial including 26 US and 12 international sites. PARTICIPANTS Participants with mild/moderate primary open-angle glaucoma (POAG) and visually significant cataract with mean modified diurnal IOP between 22 and 34 mmHg after washout of IOP-lowering medications. METHODS A total of 556 subjects were randomized in a 2:1 ratio to undergo cataract surgery with placement of the HMS versus cataract surgery alone (no microstent [NMS]). All eyes were washed out of IOP-lowering medications before surgery and remained unmedicated until surgery. No IOP-lowering prophylaxis was used postoperatively. Comprehensive eye examination including measurement of intraocular pressure was conducted on postoperative day (POD) 1, week 1, and month 1. MAIN OUTCOME MEASURES Postoperative IOP >40 mmHg was analyzed as the primary outcome. Incidence of IOP increase >10 mmHg above baseline, unmedicated IOP, and mean IOP were analyzed as secondary outcomes. RESULTS A total of 369 eyes were randomized to the HMS group, and 187 eyes were randomized to cataract surgery alone. The HMS and NMS groups did not differ with respect to baseline demographic or ocular characteristics. On POD1, the incidence of IOP spike >40 mmHg was significantly higher at 14.4% in the NMS group compared with 1.4% in the HMS group (P < 0.001). The incidence of IOP increase ≥10 mmHg relative to baseline on POD1 was also significantly higher in the NMS group than in the HMS group (22.5% vs. 3.0%, P < 0.001). IOP in the NMS group was significantly higher than in the HMS group (27.6 vs. 17.0 mmHg, P < 0.001). In multivariable logistic regression analysis, higher baseline IOP predicted higher odds of POD1 IOP spike >40 mmHg, whereas the presence of HMS was associated with a lower likelihood of postoperative IOP spike. CONCLUSIONS The addition of an HMS at the time of cataract surgery lowered the risk of markedly elevated IOP in the early postoperative period in patients with glaucoma.
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Affiliation(s)
- Nazlee Zebardast
- Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
| | - Chengjie Zheng
- Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland
| | - Henry D Jampel
- Wilmer Eye Institute, Johns Hopkins University, Baltimore, Maryland.
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Holm JL, Bach‐Holm D, Holm LM, Vestergaard AH. Prophylactic treatment of intraocular pressure elevation after uncomplicated cataract surgery in nonglaucomatous eyes - a systematic review. Acta Ophthalmol 2019; 97:545-557. [PMID: 30941916 DOI: 10.1111/aos.14092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Accepted: 03/03/2019] [Indexed: 01/22/2023]
Abstract
The purpose of this systematic review was to evaluate the literature regarding prophylactic treatment of intraocular pressure (IOP) elevation after uncomplicated cataract surgery to provide an evidence-based guideline for cataract surgeons. The relevant literature was identified in EMBASE and PubMed. The risk of bias was assessed according to the 'Cochrane Handbook for Systematic Reviews of Interventions' and the ROBINS-I tool. The Grading of Recommendation, Assessment, Development and Evaluation (GRADE) criteria were used to rate the quality of evidence, and relevant data were systematically extracted to evaluate the pressure-lowering effect of the active substances. The primary outcomes for this systematic review were the absolute and relative pressure-lowering effect of the different drugs after 3-8 hr and 1 day after surgery. In total, 23 randomized controlled trials and one nonrandomized controlled study consisting of 45 treatment arms with 14 different active substances were included in the qualitative synthesis. According to the GRADE criteria, nine trials were graded as 'high' quality of evidence, 12 trials as 'moderate', while three trials were given the grade 'low' quality of evidence. The primary outcomes showed most consistency between the trials, which studied the effect of timolol, and presented a relative effect from 18.6% to 29.6% at 3-8 hr and 9.8% to 23.6% at day 1. This systematic review indicates that timolol, latanoprost and travoprost alone or medications containing timolol as an additive active substance, such as dorzolamide + timolol, brinzolamide + timolol and brimonidine + timolol, are characterized by a good relative IOP-lowering effect, which can be gained by a single dose postoperatively.
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Affiliation(s)
- Jakob Lysholk Holm
- Department of Ophthalmology Odense University Hospital Odense Denmark
- Research Unit of Ophthalmology University of Southern Denmark Odense Denmark
| | - Daniella Bach‐Holm
- Department of Ophthalmology Rigshospitalet‐Glostrup Copenhagen Denmark
- Faculty of Health Sciences Institute of Clinical Medicine University of Copenhagen Copenhagen Denmark
| | - Lars Morten Holm
- Department of Ophthalmology Rigshospitalet‐Glostrup Copenhagen Denmark
- Faculty of Health Sciences Institute of Clinical Medicine University of Copenhagen Copenhagen Denmark
| | - Anders Højslet Vestergaard
- Department of Ophthalmology Odense University Hospital Odense Denmark
- Research Unit of Ophthalmology University of Southern Denmark Odense Denmark
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Georgakopoulos CD, Kagkelaris K, Pagoulatos D, Plotas P, Makri OE. Brinzolamide-brimonidine fixed combination for the prevention of intraocular pressure elevation after phacoemulsification. Eur J Ophthalmol 2018; 30:293-298. [PMID: 30526051 DOI: 10.1177/1120672118817997] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AIM To evaluate the effectiveness of brinzolamide-brimonidine fixed combination to control the intraocular pressure elevation throughout the first 24 h following uncomplicated phacoemulsification cataract surgery. PATIENTS AND METHODS A total of 62 patients who underwent phacoemulsification cataract surgery were included in this prospective randomized comparative case series. The brinzolamide-brimonidine fixed combination group (34 eyes) was administered a single dose of brinzolamide-brimonidine fixed combination immediately after phacoemulsification. No treatment was administered in the control group (28 eyes). Intraocular pressure was measured 1 day before surgery (baseline) and at 6, 12 and 24 h postoperatively. RESULTS The brinzolamide-brimonidine fixed combination group had significantly lower intraocular pressure at 6, 12 and 24 h after phacoemulsification compared to baseline (p < 0.0001 for all comparisons), while in control group, intraocular pressure was significantly higher at 6 and 12 h after surgery compared to baseline (p < 0.001 and p < 0.0001, respectively). In control group, an intraocular pressure elevation ⩾ 5 mm Hg was noted in 32.4% of the eyes at 6 and 12 h and in 5.9% of eyes at 24 h after surgery, while in brinzolamide-brimonidine fixed combination group, only 8.8% of the eyes at 6 h postoperatively had such an intraocular pressure elevation. CONCLUSION The administration of a single drop of brinzolamide-brimonidine fixed combination effectively prevented intraocular pressure elevations and intraocular pressure spikes during the first 24 h after uneventful phacoemulsification.
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Affiliation(s)
| | | | - Dionysios Pagoulatos
- Department of Ophthalmology, School of Medicine, University of Patras, Patras, Greece
| | - Panagiotis Plotas
- Department of Ophthalmology, School of Medicine, University of Patras, Patras, Greece
| | - Olga E Makri
- Department of Ophthalmology, School of Medicine, University of Patras, Patras, Greece
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Georgakopoulos CD, Makri OE, Plotas P, Pharmakakis N. Brinzolamide-timolol fixed combination for the prevention of intraocular pressure elevation after phacoemulsification. Clin Exp Ophthalmol 2013; 41:662-7. [PMID: 23432730 DOI: 10.1111/ceo.12092] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Accepted: 02/04/2013] [Indexed: 11/29/2022]
Abstract
BACKGROUND To evaluate the efficacy of brinzolamide-timolol fixed combination in intraocular pressure during the first 24 h after uneventful phacoemulsification cataract surgery using Viscoat and Provisc. DESIGN Prospective randomized comparative case series. PARTICIPANTS Ninety-two eyes of equal patients scheduled for phacoemulsification cataract surgery. METHODS Treatment group (52 eyes) received a drop of brinzolamide-timolol fixed combination immediately after surgery. Control group (40 eyes) received no treatment. MAIN OUTCOME MEASURES Intraocular pressure preoperatively and at 6, 12 and 24 h postoperatively. RESULTS Six hours after surgery the mean intraocular pressure decreased by 0.3 ± 2.95 mmHg (P > 0.05) in the treatment group and increased by 6.8 ± 2.78 mmHg (P < 0.001) in the control group. Twelve hours postoperatively, the mean intraocular pressure increased by 0.23 ± 3.49 mmHg (P > 0.05) in the treatment group and by 5.3 ± 3.26 mmHg (P < 0.001) in the control group. Twenty-four hours after surgery, the mean intraocular pressure decreased by 1.76 ± 2.83 mmHg (P < 0.01) in the treatment group and in the control group increased by 1.4 ± 2.46 mmHg (P > 0.05). The intraocular pressure in the treatment group was statistically significantly lower compared with the control group at 6, 12 and 24 h postoperatively. None of the eyes in the treatment group had postoperative intraocular pressure elevation ≥10 mmHg; such an increase was recorded in 20% and 10% of control eyes at 6 and 12 h after surgery, respectively. CONCLUSION A single dose of brinzolamide-timolol fixed combination after phacoemulsification cataract surgery prevented a significant intraocular pressure increase during the first 24 h postoperatively.
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Effect of a fixed brimonidine–timolol combination on intraocular pressure after phacoemulsification. J Cataract Refract Surg 2011; 37:279-83. [DOI: 10.1016/j.jcrs.2010.08.046] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2010] [Revised: 08/20/2010] [Accepted: 08/26/2010] [Indexed: 11/21/2022]
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O’Brien PD, Ho SL, Fitzpatrick P, Power W. Risk factors for a postoperative intraocular pressure spike after phacoemulsification. Can J Ophthalmol 2007. [DOI: 10.3129/can.j.ophthalmol.06-086] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Takmaz T, Can I, Gürdal C, Kürkçüoğlu P, Aşik S. Effect of bimatoprost on intraocular pressure after phacoemulsification in eyes with exfoliation syndrome. ACTA ACUST UNITED AC 2006; 85:262-6. [PMID: 17488454 DOI: 10.1111/j.1600-0420.2006.00835.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
PURPOSE To evaluate the effect of bimatoprost 0.03% on intraocular pressure (IOP) after phacoemulsification in eyes with exfoliation syndrome. METHODS This prospective, randomized, masked study comprised 90 eyes of 90 patients scheduled for phacoemulsification. The patients were divided into three groups (group 1 = without exfoliation, group 2 = with exfoliation syndrome, group 3 = exfoliation syndrome + bimatoprost). Immediately after phacoemulsification, one drop of bimatoprost was instilled in eyes in group 3. Baseline IOP was measured 1 day before surgery and routine follow-ups were performed at 6 hours, 20-24 hours and 1 week postoperatively. RESULTS Preoperative IOP was 15.0 +/- 2.7 mmHg in group 1, 15.6 +/- 3.2 mmHg in group 2 and 16.1 +/- 3.2 mmHg in group 3 (p = 0.372). Six hours postoperatively, there was a significant difference between the groups (p = 0.013): IOP in group 2 (22.4 +/- 7.3 mmHg) was higher than in group 1 (18.4 +/- 4.4 mmHg) (p = 0.018) and group 3 (18.9 +/- 4.9 mmHg) (p = 0.044). In all groups, IOP values at 6 hours postoperatively were higher than preoperative values (p < 0.001), but IOP values at 20-24 hours and 1 week after surgery were not significantly different from baseline values (p > 0.05). The change in IOP in group 2, from baseline to 6 hours postoperatively, was greater than the equivalent changes in group 1 (p = 0.048) and group 3 (p = 0.016). CONCLUSIONS Transient IOP increase and spikes were more common in eyes with exfoliation syndrome. Postoperative application of bimatoprost was effective in reducing IOP and preventing IOP spikes >/= 30 mmHg in eyes with exfoliation syndrome in the early postoperative period.
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Affiliation(s)
- Tamer Takmaz
- Second Ophthalmology Department, Atatürk Training and Research Hospital, Ankara, Turkey.
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Scuderi G, Regine F, Perdicchi A, Mannino G, Recupero SM. Comparative efficacy of acetazolamide and apraclonidine in the control of intraocular pressure following phacoemulsification. Ophthalmologica 2006; 220:356-60. [PMID: 17095879 DOI: 10.1159/000095860] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2006] [Accepted: 05/26/2006] [Indexed: 11/19/2022]
Abstract
PURPOSE The purpose of our study was to compare the effects of systemically administered acetazolamide and topical apraclonidine 0.5% in the control of intraocular pressure (IOP) following phacoemulsification of senile cataracts. SETTING The study was conducted on patients affected by cataract and followed at the Department of Ophthalmology. METHODS Seventy-eight eyes in 78 patients were selected. Twenty-six eyes were randomly assigned to postoperative treatment with topical apraclonidine 0.5%, 26 received oral acetazolamide and the remaining 26 received no hypotensive treatment (control group). Statistical analyses were performed mainly by means of analyis of variance. RESULTS IOPs measured 24 h after surgery were significantly (p = 0.01) lower in the apraclonidine group compared to the control group. CONCLUSIONS Our double-blind prospective study conducted on patients randomly assigned to treatment with apraclonidine or acetazolamide shows that the former drug is undoubtedly effective in the prevention of IOP increases following phacoemulsification. IOPs recorded in patients treated with this drug were lower than those observed in the acetazolamide and the control groups. Considering the lower risk of toxicity associated with topical administration, apraclonidine 0.5% seems to be preferable to oral acetazolamide in this postoperative setting.
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Affiliation(s)
- Gianluca Scuderi
- 2nd School of Medicine Sant. Andrea Hospital, Università degli Studi di Roma La Sapienza, Rome, Italy.
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Chawdhary S, Anand A. Early post-phacoemulsification hypotony as a risk factor for intraocular contamination: In vivo model. J Cataract Refract Surg 2006; 32:609-13. [PMID: 16698481 DOI: 10.1016/j.jcrs.2006.01.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2005] [Accepted: 07/17/2005] [Indexed: 11/30/2022]
Abstract
PURPOSE To observe cataract wound dynamics and determine the risk for intraocular contamination under induced conditions of early postoperative hypotony after anterior chamber decompression for high intraocular pressure (IOP) spikes after uneventful phacoemulsification surgery. SETTING Department of Ophthalmology, Queen's Hospital, Burton-on-Trent, United Kingdom. METHODS In a prospective case series, 30 patients were treated with anterior chamber decompression for elevated IOP (>35 mm Hg) 1 to 2 hours after uneventful phacoemulsification through clear corneal temporal incisions. A drop of 2% fluorescein was instilled in the conjunctival sac before aqueous release to study the ocular fluid movements during and after the decompression procedure. The patterns of fluorescein movement were observed and photographed under cobalt blue light. RESULTS Fluorescein staining of the entire corneal tunnel was observed in all 30 eyes after decompression. An immediate fluorescein flare was observed in the anterior chamber after aqueous release in 24 eyes (80%) (P<.001). Observations over several seconds after decompression found a frank influx of fluorescein-stained fluid into the anterior chamber in 12 eyes (40%) (P<.001), giving rise to an "inverse Seidel's test." An intermittent ingress of fluorescein-stained fluid continued for several minutes after the procedure in 6 eyes (20%) (P<.05). CONCLUSIONS An incompetence of clear corneal cataract wound with intraocular contamination was observed during the period of induced hypotony after anterior chamber decompression in the early post-phacoemulsification period.
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Affiliation(s)
- Satish Chawdhary
- Department of Ophthalmology, Queen's Hospital NHS Trust, Burton-on-Trent, United Kingdom.
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Rainer G, Menapace R, Schmid KE, Sacu S, Kiss B, Heinze G, Findl O. Natural Course of Intraocular Pressure after Cataract Surgery with Sodium Chondroitin Sulfate 4%–Sodium Hyaluronate 3% (Viscoat). Ophthalmology 2005; 112:1714-8. [PMID: 16199267 DOI: 10.1016/j.ophtha.2005.05.011] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2005] [Accepted: 05/11/2005] [Indexed: 11/26/2022] Open
Abstract
PURPOSE To investigate the natural course of intraocular pressure (IOP) and its peak after small-incision cataract surgery with chondroitin sulfate 4%-sodium hyaluronate 3% (Viscoat, Alcon Laboratories, Inc., Fort Worth, TX). DESIGN Observational case series. PARTICIPANTS This prospective study comprised 40 eyes of 40 consecutive cataract patients scheduled for small-incision cataract surgery. METHODS Cataract surgery was performed with sodium chondroitin sulfate 4%-sodium hyaluronate 3% as the ophthalmic viscosurgical device, which was removed as completely as possible from the eye at the end of surgery. The IOP was measured preoperatively and 30 minutes; 1, 2, 3, 4, 6, 8, and 20 to 24 hours; and 1 week postoperatively. MAIN OUTCOME MEASURES Postoperative IOP increase. RESULTS The mean IOP increased significantly at all observation times during the first 20 to 24 hours, with a peak increase of 13.4+/-9.4 mmHg after 1 hour (P<0.05). In all, 28 eyes (70%) had an IOP spike to 30 mmHg or higher. Sixty-eight percent of these spikes occurred at 30 minutes as well as at 1 hour and 2 hours postoperatively. At 20 to 24 hours, no eye had an IOP spike to 30 mmHg or higher. CONCLUSIONS Significant IOP increases were found during the first 24 hours, peaking at 1 hour after surgery. With a single postoperative IOP measurement, between 30 minutes and 2 hours after surgery, two thirds of these IOP spikes could be detected. To detect all IOP spikes, a second measurement between 4 and 6 hours after surgery would be necessary.
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Affiliation(s)
- Georg Rainer
- Department of Ophthalmology, Medical University of Vienna, Vienna, Austria.
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Abstract
PURPOSE OF REVIEW This review analyzes the most relevant studies on current surgical strategies to treat glaucoma patients with cataracts. RECENT FINDINGS No clear evidence has confirmed better results with trabeculectomy alone compared with phacotrabeculectomy. Recent studies have reported successful outcomes combining deep sclerectomy and two-site phacoemulsification. The phacoemulsification cataract extraction will not vary the intraocular pressure of patients with previous deep sclerectomy. Mitomycin C proved to be effective in maintaining lower pressure levels with the combined surgery technique; however, 5-fluorouracil did not show any improvement. Minimally invasive cataract surgery reduces surgical trauma, making it possible to obtain better results with combined surgery and previous glaucoma surgery. SUMMARY The surgical strategy decision must be customized to every patient. Only filtering surgeries are recommended in glaucoma patients with incipient cataract. Combined surgical procedures are recommended for progressive or advanced glaucoma. Two-site phacotrabeculectomy with mitomycin C achieves better stabilized results; however, combined phacoemulsification with deep sclerectomy or viscocanalostomy achieves similar results with a lower rate of complications. These promising findings need more study to be confirmed.
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Affiliation(s)
- Carlos Verges
- Institut Universitari Dexeus, Universitat Autonoma de Barcelona, Barcelona, Spain.
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Cetinkaya A, Akman A, Akova YA. Effect of topical brinzolamide 1% and brimonidine 0.2% on intraocular pressure after phacoemulsification. J Cataract Refract Surg 2004; 30:1736-41. [PMID: 15313300 DOI: 10.1016/j.jcrs.2003.12.050] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2003] [Indexed: 10/26/2022]
Abstract
PURPOSE To compare the effectiveness of brinzolamide 1% (Azopt) and brimonidine 0.2% (Alphagan) with a placebo in preventing an early increase in intraocular pressure (IOP) after phacoemulsification. SETTING Department of Ophthalmology, Baskent University, School of Medicine, Ankara, Turkey. METHODS In this prospective double-masked study, 90 eyes of 90 patients having clear corneal phacoemulsification were randomly divided into 3 groups of 30 eyes each. One hour before surgery, 1 group received 1 drop of brinzolamide 1%, another received 1 drop of brimonidine 0.2%, and the third received 1 drop of a balanced saline solution (placebo). The IOP was measured preoperatively and 3 and 16 to 20 hours postoperatively. RESULTS Three hours postoperatively, the mean IOP increased by 4.2 mm Hg +/- 7.0 (SD), 3.2 +/- 6.4 mm Hg, and 5.3 +/- 4.2 mm Hg in the brinzolamide, brimonidine, and placebo groups, respectively. The IOP increase from baseline was significant in all 3 groups (all P<.01), with no difference between the groups (P>.05). The change in IOP at 16 to 20 hours was 0.2 +/- 2.8 mm Hg, 0.2 +/- 2.4 mm Hg, and -0.8 +/- 2.4 mm Hg, respectively. The changes were not significant compared to baseline (all P>.05). Six eyes (20%) in the brinzolamide group, 5 eyes (16.7%) in the brimonidine group, and 7 eyes (23.3%) in the placebo group had an IOP higher than 25 mm Hg 3 hours postoperatively; the difference between groups was not significant (P =.8). CONCLUSION Prophylactic use of 1 drop of brinzolamide or brimonidine was not more effective than a placebo in controlling early postoperative IOP elevations after clear corneal phacoemulsification.
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Affiliation(s)
- Altuğ Cetinkaya
- Başkent University, School of Medicine, Department of Ophthalmology, Bahcelievler 06490, Ankara, Turkey
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Abstract
PURPOSE OF REVIEW In the elderly population, the combined presence of cataract and glaucoma is a frequent condition. In this situation, several surgical options are possible: cataract surgery only and later maybe trabeculectomy, trabeculectomy only and later maybe cataract surgery, or combined cataract and glaucoma surgery. This review compares the different surgical options on the basis of their achievable postoperative intraocular pressure (IOP) level and success and complication rates. RECENT FINDINGS The impression of better IOP regulation with trabeculectomy than with phacotrabeculectomy has been recently confirmed by an evidence-based review. Contrary to this finding, the success of deep sclerectomy or trabeculotomy does not seem to be compromised by simultaneous phacoemulsification. In eyes with previous glaucoma-filtering surgery, cataract surgery with clear corneal incision has no effect on mean IOP but increases the 3-year failure probability. For phacotrabeculectomy, moderate evidence of a beneficial effect of MMC on IOP regulation and only weak evidence for separating the incisions has been recently reported by another evidence-based review. SUMMARY The choice of the preferred surgical method depends on the target pressure, the amount of glaucomatous damage, and the grade of visual disturbance caused by the cataract. Phacotrabeculectomy combined with mitomycin C achieves the best IOP lowering of all types of combined cataract and glaucoma surgery currently possible but is associated with potentially sight-threatening complications. In the absence of a low target pressure, phacotrabeculotomy or the combination of phacoemulsification with viscocanalostomy or deep sclerectomy may be the therapy of choice.
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Affiliation(s)
- C Vass
- Department of Ophthalmology, University of Vienna Medical School, Vienna, Austria.
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Tinley CG, Frost A, Hakin KN, McDermott W, Ewings P. Is visual outcome compromised when next day review is omitted after phacoemulsification surgery? A randomised control trial. Br J Ophthalmol 2004; 87:1350-5. [PMID: 14609832 PMCID: PMC1771915 DOI: 10.1136/bjo.87.11.1350] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AIMS To examine the safety implications of omitting first day clinical review following phacoemulsification cataract surgery. METHODS 362 patients were randomly assigned to "same day discharge" (SDD) or "next day review" (NDR). All patients were reviewed approximately 2 weeks after surgery. RESULTS Of the 174 patients randomised to NDR, 14 (8.0%) were treated for raised intraocular pressure (25-48 mm Hg) on the first postoperative day. Four received increased topical steroids for uveitis (two) and corneal oedema (two). One patient was treated for a significant wound leak. 12 (6.9%) required additional reviews before 2 week follow up for treatment of the following complications: drop toxicity (six), raised intraocular pressure (five), and corneal abrasion (one). Of the 188 randomised to SDD, six (3.2%) returned to the department before the planned review for reassurance of patients' concerns regarding eye symptoms (three), drop toxicity (one) and follow up of previously raised intraocular pressure (one). There were two cases of iris prolapse in the SDD group. In one case, the complication was anticipated and early review had been arranged. Postoperative acuities of 6/12 or better were achieved in 83% of both SDD and NDR patients (p = 0.96 by chi(2) test). Postoperative quality of life scores at 4 months indicating "no or hardly any concern about vision" (VCM1 questionnaire index <1.0) were achieved in 67% SDD and 72.5% NDR (p = 0.26). CONCLUSION The intention to discharge patients on the day of surgery, with planned postoperative review at 2 weeks, was associated with a low frequency of serious ocular complications. Differences in the proportions achieving a good visual outcome between the two groups, based on 2 week visual acuity and 4 month quality of life, were not significant.
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Affiliation(s)
- C G Tinley
- Southampton University Hospitals Trust, Southampton, UK.
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Hildebrand GD, Wickremasinghe SS, Tranos PG, Harris ML, Little BC. Efficacy of anterior chamber decompression in controlling early intraocular pressure spikes after uneventful phacoemulsification. J Cataract Refract Surg 2003; 29:1087-92. [PMID: 12842672 DOI: 10.1016/s0886-3350(02)01891-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
PURPOSE To determine the efficacy of anterior chamber decompression in the management of intraocular pressure (IOP) spikes in the early period after uneventful phacoemulsification. SETTING Royal Free Hospital, Department of Ophthalmology, Royal Free and University College London Medical School, London, United Kingdom. METHODS This prospective case series comprised 11 consecutive patients with otherwise healthy eyes who an IOP of at least 40 mm Hg 4 to 6 hours after phacoemulsification. After anterior chamber decompression, the IOP was measured at 0, 15, 30, 45, and 60 minutes or until it exceeded 40 mm Hg. RESULTS The mean IOP 4 to 6 hours postoperatively was 47.09 mm Hg +/- 7.92 (SD) (range 40 to 68 mm Hg). After decompression, the IOP dropped significantly to a mean of 4.73 +/- 3.00 mm Hg at 0 minutes (P<.001) and then increased progressively to 23.36 +/- 10.80 mm Hg at 15 minutes (P<.001), 33.82 +/- 11.74 mm Hg at 30 minutes (P=.005), 35.00 +/- 6.53 mm Hg at 45 minutes (P=.015), and 38.50 +/- 2.51 mm Hg at 60 minutes (P=.041). CONCLUSIONS Marked IOP spikes developed in eyes without glaucoma or ocular hypertension after uneventful phacoemulsification. Anterior chamber decompression immediately lowered IOP, but the effect was transient.
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