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Benzerroug M, Marchand M, Coisy S, Briend B, Boussion B, Mazit C. 25-GAUGE VERSUS 27-GAUGE VITRECTOMY FOR MANAGEMENT OF VITREORETINAL DISEASES: A Large Prospective Randomized Trial. Retina 2024; 44:991-996. [PMID: 38237087 DOI: 10.1097/iae.0000000000004048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
PURPOSE To compare the safety and performance clinical outcomes of the 27-gauge (G) two-dimensional cutting vitrectomy probe versus a standard 25-G probe for retinal procedures. METHODS In this large randomized prospective study, all candidates for epiretinal membrane or macular hole surgery were randomized to the 27-G group or 25-G group. Outcome measures included surgery time, changes in best-corrected distance visual acuity, intraocular pressure, and central macular thickness between baseline and 1-month and 3-month follow-up time points. Moreover, intraoperative and postoperative complications were evaluated as well as the rate of sutureless vitrectomy. RESULTS A total of 463 patients were included in this study, 227 patients in the 27-G group and 236 patients in the 25-G group. A similar total surgery time was found between both groups ( P = 0.0911). Similar best-corrected distance visual acuity and central macular thickness changes were observed between baseline and the 1-month and 3-month follow-up visits. No significant differences were reported in intraoperative and postoperative complications rates. The rate of sutureless vitrectomy was 96.5% for the 27-G group and 91.1% for the 25-G group ( P = 0.0170). CONCLUSION These results suggest that 27-G vitrectomy probe is similar to 25-G probe in surgery time and complications, while decreasing the need for vitrectomy sutures.
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Affiliation(s)
- Mounir Benzerroug
- Anjou Retina Center, Angers, France ; and
- Le Mans General Hospital, Le Mans, France
| | | | | | | | | | - Chérif Mazit
- Anjou Retina Center, Angers, France ; and
- Le Mans General Hospital, Le Mans, France
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Su D, Li HN, Chen QC, Shen DP, Huang ZT. Impact of intravitreal triamcinolone injection following epiretinal membrane peeling on ectopic inner foveal layer classification. Eur J Ophthalmol 2024:11206721241226469. [PMID: 38204151 DOI: 10.1177/11206721241226469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
PURPOSE This study aimed to evaluate the impact of intravitreal triamcinolone acetonide (TA) administration after peeling of idiopathic epiretinal membranes (iERM) on both anatomical and visual outcomes, utilizing the ectopic inner foveal layer (EIFL) staging scheme. METHODS In this retrospective case-control study, we analyzed 43 eyes from 43 patients diagnosed with iERM between June 2019 and December 2021. All participants were categorized into the TA or control groups based on administering intravitreal TA injection following ERM peeling. We thoroughly reviewed the clinical data, including the preoperative and postoperative best-corrected visual acuity (BCVA), central foveal thickness (CFT), and macular cube volume (VOL), with ERM stages classified according to the EIFL staging scheme. RESULTS The study enrolled 22 eyes in the TA and 21 in the control groups. Following a mean follow-up period of 11.07 ± 2.02 months, noteworthy improvements in EIFL stages were observed in both cohorts (p < 0.01), but without significant distinctions between groups. In the TA group, 63.64% of eyes demonstrated improvements in EIFL stages, while the control group exhibited 76.19% (p = 0.37). At the final visit, both groups experienced a noteworthy reduction in the postoperative CFT and VOL (p < 0.05), coupled with significant improvement in BCVA (p < 0.01). No substantial differences appeared between the two groups concerning BCVA, CFT, and VOL (all p > 0.05). CONCLUSIONS Our study suggested that concurrent intravitreal TA injection following ERM removal did not provide additional benefits regarding anatomical and visual improvement in iERM cases classified as Stages 2 and 3.
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Affiliation(s)
- Dan Su
- Department of Ophthalmology, Shantou Central Hospital, Shantou, China
| | - Hong-Ni Li
- Department of Ophthalmology, Shantou Central Hospital, Shantou, China
| | - Qi-Cheng Chen
- Department of Ophthalmology, Shantou Central Hospital, Shantou, China
| | - Dan-Ping Shen
- Department of Ophthalmology, Shantou Central Hospital, Shantou, China
| | - Ze-Tao Huang
- Department of Ophthalmology, Shantou Central Hospital, Shantou, China
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Christensen CA, Thompson IA, Nielsen JS. Small-Gauge Vitrectomy for Macular Surgery Using a Systematic Approach to Wound Closure: 27-Gauge vs 25-Gauge. JOURNAL OF VITREORETINAL DISEASES 2024; 8:45-50. [PMID: 38223781 PMCID: PMC10786086 DOI: 10.1177/24741264231209587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Purpose: To evaluate the effectiveness of and to compare vitrectomy performed with 25-gauge or 27-gauge instrumentation for macular surgery by assessing the surgical duration, wound closure, and complication rate using a systematic approach to wound closure. Methods: In this retrospective chart review, 125 25-gauge and 125 27-gauge consecutive small-gauge vitrectomy surgeries for epiretinal membrane, macular hole, vitreomacular adhesion, or a combination were analyzed during and immediately after surgery. Wound closure was performed using a systematic protocol. Results: Baseline characteristics were not statistically different between the 2 groups. The surgical duration was similar with 25-gauge vitrectomy and 27-gauge vitrectomy (P = .07). Although spontaneous wound closure was common in both groups, it was more common in the 27-gauge group (P = .22). Intraoperative and postoperative complications were uncommon in both groups. Conclusions: Findings show that 27-gauge vitrectomy is a safe, effective alternative to the more commonly used 25-gauge vitrectomy for macular surgery. Less manipulation was required to achieve wound closure with 27-gauge vitrectomy using a standardized wound-closure protocol. Smaller 27-gauge vitrectomy did not increase surgical time or complications over 25-gauge vitrectomy for macular surgery.
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Affiliation(s)
- Cory A. Christensen
- Department of Ophthalmology, SUNY Upstate Medical University, Syracuse, NY, USA
| | | | - Jared S. Nielsen
- Vitreoretinal Diseases and Surgery, Wolfe Eye Clinic, West Des Moines, IA, USA
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Doi Y, Muraoka Y, Tsujikawa A. Evaluation of the Efficiency and Safety of a 27-Gauge 20,000 Cuts per Minute Vitreous Cutter. Clin Ophthalmol 2023; 17:2037-2043. [PMID: 37483843 PMCID: PMC10362866 DOI: 10.2147/opth.s418371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 06/23/2023] [Indexed: 07/25/2023] Open
Abstract
Purpose The aim of this study was to evaluate the efficiency and safety of a 27-gauge (G) 20,000 cuts per minute (cpm) vitreous cutter in clinical settings. Patients and Methods This was a retrospective and observational study of 40 eyes of 40 patients with idiopathic epiretinal membrane (ERM). Twenty patients (20 eyes) were treated using a 27G 10,000-cpm vitreous cutter (Advanced ULTRAVIT® Probe, Alcon), whereas the remaining 20 patients (20 eyes) were treated using a 27G 20,000-cpm cutter (Hypervit® dual-blade probe, Alcon). All the surgeries were performed by the same surgeon (YM). The time from the start of vitrectomy to the start of ERM peeling was independently measured by two separate examiners using digital videos of each surgery. The average duration of vitrectomy was calculated for each patient. Additionally, the data of the patients in the two groups were extracted from their medical and surgical records and compared. Results The time from the initiation of vitrectomy until the start of ERM peeling was 184 ± 56.9 and 152 ± 39.5 s for the 10,000-cpm and 20,000-cpm groups, respectively. The duration of vitrectomy was significantly shorter in the 20,000-cpm group than in the 10,000-cpm group (p = 0.041). Postoperative vitreous hemorrhage was observed in one patient in the 10,000-cpm group, whereas no complications were observed in the 20,000-cpm group. Conclusion In a clinical setting, the 27G 20,000-cpm vitreous cutter may have a higher safety profile and higher efficacy for vitreous removal than that of the 27G 10,000-cpm vitreous cutter.
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Affiliation(s)
- Yuta Doi
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yuki Muraoka
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Akitaka Tsujikawa
- Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Li S, Li Y, Wei L, Fang F, Jiang Y, Chen K, Yang X, Liu H. 27-gauge microincision vitrectomy surgery compared with 25-gauge microincision vitrectomy surgery on wound closure and need for wound suture and other postoperative parameters in the treatment of vitreoretinal disease: A meta-analysis. Int Wound J 2023; 20:740-750. [PMID: 36787269 PMCID: PMC9927918 DOI: 10.1111/iwj.13917] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 07/23/2022] [Accepted: 07/25/2022] [Indexed: 11/30/2022] Open
Abstract
We performed a meta-analysis to evaluate the effect of 27-gauge microincision vitrectomy surgery compared with 25-gauge microincision vitrectomy surgery on wound closure and the need for wound suture and other postoperative parameters in the treatment of vitreoretinal disease. A systematic literature search up to June 2022 was performed and 1264 subjects with the vitreoretinal disease at the baseline of the studies; 562 of them were using the 27-gauge microincision vitrectomy surgery, and 722 were using 25-gauge microincision vitrectomy surgery. Odds ratio (OR), and mean difference (MD) with 95% confidence intervals (CIs) were calculated to assess the effect of 27-gauge microincision vitrectomy surgery compared with 25-gauge microincision vitrectomy surgery on wound closure and the need for wound suture and other postoperative parameters in the treatment of vitreoretinal disease using the dichotomous, and contentious methods with a random or fixed-effect model. The 27-gauge microincision vitrectomy surgery subjects had a significantly lower intraoperative and postoperative wound complication (OR, 6.66; 95% CI, 0.46-0.95, P = .02), and wound suture number (OR, 0.38; 95% CI, 0.20-0.71, P = .002), and best corrected visual acuity (MD, -0.03; 95% CI, -0.05 to -0.001, P = .02) compared with 25-gauge microincision vitrectomy surgery in subjects with vitreoretinal disease. However, 27-gauge microincision vitrectomy surgery subjects had no significant difference in the wound closure time (MD, -8.45; 95% CI, -23.44 to 6.55, P = .27), operation time (MD, 0.85; 95% CI, -1.17 to 2.86, P = .41), intraocular pressure at postoperative day 1 (MD, 0.42; 95% CI, -1.45-2.28, P = .66), primary anatomical success rate (OR, 0.83; 95% CI, 0.42-1.63, P = .58), and central macular thickness (MD, 1.81; 95% CI, -21.76 to 25.37, P = .88) compared to 25-gauge microincision vitrectomy surgery in subjects with vitreoretinal disease. The 27-gauge microincision vitrectomy surgery subjects had a significantly lower intraoperative and postoperative wound complication, wound suture number, and best corrected visual acuity, and no significant difference in the wound closure time, operation time, intraocular pressure at postoperative day 1, primary anatomical success rate, and central macular thickness compared to 25-gauge microincision vitrectomy surgery in subjects with vitreoretinal disease. The analysis of outcomes should be with caution because of the low sample size of 12 out of 15 studies in the meta-analysis and a low number of studies in certain comparisons.
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Affiliation(s)
- Siying Li
- Ophthalmology DepartmentThe first affiliated hospital of Jiamusi UniversityJiamusiChina
| | - Yichun Li
- Ophthalmology DepartmentThe first affiliated hospital of Jiamusi UniversityJiamusiChina
| | - Lulu Wei
- Child Healthcare DepartmentThe first affiliated hospital of Jiamusi UniversityJiamusiChina
| | - Fang Fang
- Pharmacy DepartmentThe first affiliated hospital of Jiamusi UniversityJiamusiChina
| | - Yulan Jiang
- Ophthalmology DepartmentThe first affiliated hospital of Jiamusi UniversityJiamusiChina
| | - Keyan Chen
- Endocrine DepartmentThe first affiliated hospital of Jiamusi UniversityJiamusiChina
| | - Xiaotian Yang
- Ophthalmology DepartmentThe first affiliated hospital of Jiamusi UniversityJiamusiChina
| | - Hongwei Liu
- Ophthalmology DepartmentThe first affiliated hospital of Jiamusi UniversityJiamusiChina
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Luo L, Wei Q, Liu Q, Wang L, Jiang Y. Evaluation of Foldable Capsular Vitreous Body Implantation Surgery. Int J Gen Med 2022; 15:7077-7087. [PMID: 36097567 PMCID: PMC9464037 DOI: 10.2147/ijgm.s380609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 08/10/2022] [Indexed: 11/23/2022] Open
Abstract
Background Foldable capsular vitreous body (FCVB), a novel artificial vitreous substitute product, has been used clinically in recent years. The aim of this study was to evaluate the outcomes and complications of FCVB implantation surgery during the postoperative period. Methods We performed a prospective, nonrandomized study from November 2021 to March 2022. Eight patients with severe retinal detachment that could not be easily reattached were included in this study. Before and after surgery, visual acuity (VA), intraocular pressure (IOP), slit-lamp microscopy, optical coherence tomography (OCT), B-scan and CT were performed. Results After the operation, the FCVB was well distributed in the vitreous cavity and supported the retina according to the B-scan and CT images. During the follow-up period, no vitreous hemorrhage or retinal detachment was found in any of the patients. On the first postoperative day, the average IOP increased from 9.6 ± 7.7 mmHg preoperatively to 13.8 ± 14.3 mmHg. Although the IOP of two patients fell outside the normal range, IOP was finally held steady after the fifth postoperative day in all cases. In addition, three patients (37.5%) experienced eye ache, and after taking a Saridon tablet, the pain was greatly alleviated. Moreover, no adverse events, such as silicone oil (SO) spillage and emulsification or serious complications, were observed. Conclusion The current vitreous substitute FCVB is effective and safe for treating complicated retinal detachments in ophthalmic applications. Further multiple-center clinical designs should focus on indications and complications of FCVB during long-term follow-up periods.
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Affiliation(s)
- Liying Luo
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
| | - Qingquan Wei
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
| | - Qing Liu
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
| | - Li Wang
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
| | - Yanyun Jiang
- Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
- Correspondence: Yanyun Jiang, Department of Ophthalmology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, 1111 Xianxia Road, Shanghai, People’s Republic of China, Email
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Awan MA, Shaheen F, Haq A, Fatima S. The Clinical and Safety Outcomes of 27 Gauge Pars Plana Vitrectomy in Eyes With Macular Hole. Cureus 2022; 14:e24409. [PMID: 35619857 PMCID: PMC9125948 DOI: 10.7759/cureus.24409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2022] [Indexed: 11/25/2022] Open
Abstract
Objective To report the clinical, visual, and safety outcomes of 27 gauge pars plana vitrectomy (27G PPV) in eyes with full thickness and lamellar macular hole (MH). Methodology This retrospective cross-sectional study, conducted at the ophthalmology department of Shifa International Hospital, Islamabad, was done on 89 eyes of 85 patients who underwent 27G PPV for full-thickness and lamellar MH with a postoperative follow-up period of six months. Results The mean age was 61.9 ± 17.3 years with 57.3% being males. Most of the eyes had idiopathic stage III full-thickness MH (n=34, 38.2 %). The total mean operating time was 42.5 ± 19.8 minutes. During surgery, 48 (53.9%) eyes had concurrent phacoemulsification. Hexafluoroethane was the most commonly used tamponade agent (n=81, 91%). Postoperatively, the primary closure rate was 93.2% (n=83) while the final closure rate was 100% (n=6) either by prolonged posturing (n=3, 3.3%) or by an additional procedure involving autologous internal limiting membrane (ILM) transplant (n=3, 3.3%). The complication rate was 2.2% including iatrogenic retinal tear (n=1, 1.1%) and raised IOP (n=1, 1.1%). The overall best-corrected visual acuity (BCVA) improved significantly from 1.20 ± 0.67 to 0.31 ±0.17 (p=<0.001). Conclusion As per this study, 27G PPV is a practical and efficient surgical system with substantial anatomical success, minimal complication, and considerable visual recovery rates in eyes with full thickness and lamellar MH. We suggest 27G PPV with ILM peeling and medium-acting intraocular gas as the standard procedure for MH.
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Affiliation(s)
- Muhammad Amer Awan
- Ophthalmology, Shifa International Hospital, Islamabad, PAK
- Ophthalmology, Shifa Tameer-E-Millat University, Shifa College of Medicine, Islamabad, PAK
| | - Fiza Shaheen
- Ophthalmology, Shifa International Hospital, Islamabad, PAK
| | - Aqdus Haq
- Ophthalmology, Shifa International Hospital, Islamabad, PAK
| | - Sahar Fatima
- Ophthalmology, Shifa International Hospital, Islamabad, PAK
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Chaban YV, Popovic MM, Garg A, Muni RH, Kertes PJ. Pars Plana Vitrectomy Port Sizes: A Meta-Analysis of Randomized Controlled Trials. Ophthalmic Surg Lasers Imaging Retina 2022; 53:152-158. [PMID: 35272553 DOI: 10.3928/23258160-20220218-01] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND OBJECTIVE The uptake of small-gauge (SG; ie, 23-gauge [23-G], 25-gauge [25-G], and 27-gauge [27-G]) pars plana vitrectomy (PPV) has grown. We aim to investigate the advantages and disadvantages of various PPV port sizes in a meta-analysis of randomized controlled trials (RCTs). MATERIALS AND METHODS A systematic literature search was performed for RCTs comparing PPV port sizes for any indication. Weighted mean differences (WMDs) and risk ratios (RRs) were calculated, and meta-analysis was performed with random-effects models. RESULTS A total of 1,678 eyes from 22 RCTs were included. Risk-of-bias assessment found some concerns in 13 studies. Compared with 20-gauge PPV, there was no significant difference in the final or change in best-corrected visual acuity (BCVA; five studies analyzed each) relative to that of SG PPV. SG PPV was associated with a significantly greater incidence of hypotony (RR = 3.79; 95% confidence intervals [CI], 2.02 to 7.10; P < .0001; six studies) and choroidal detachment (RR = 5.65; 95% CI, 1.01 to 31.71; P = .05; three studies). Compared with 25-G PPV, there was no significant difference in BCVA at any time point with 23-G (two studies), and significantly more frequent port suturing was required with 23-G (RR = 0.46; 95% CI, 0.25 to 0.84; P = .01; two studies). Compared with 25-G PPV, 27-G was associated with a significantly better final BCVA (WMD = -0.06 logMAR; 95% CI, -0.11 to -0.01; P = .02; five studies) and a significantly lengthened surgery (WMD = 4.11 minutes; 95% CI, 0.18 to 8.05; P = .04; three studies). CONCLUSIONS There was no significant difference in visual or surgical outcomes following 20-gauge PPV relative to SG PPV (Grading of Recommendations, Assessment, Development, and Evaluation recommendation: low certainty), and there was an increased risk of postoperative complications with SG PPV (moderate certainty). Compared with 25-G PPV, 23-G required more frequent port suturing (moderate certainty), whereas 27-G may be associated with a better final BCVA but longer surgery (low and moderate certainty, respectively). [Ophthalmic Surg Lasers Imaging Retina. 2022;53:152-158.].
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Post M, Cicinelli MV, Zanzottera EC, Marchese A, Bandello F, Coppola M. PREVALENCE AND RISK FACTORS OF ELLIPSOID ZONE DAMAGE AFTER PARS PLANA VITRECTOMY FOR IDIOPATHIC EPIRETINAL MEMBRANE. Retina 2022; 42:256-264. [PMID: 34723904 DOI: 10.1097/iae.0000000000003321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE To assess factors associated with external limiting membrane (ELM)/ellipsoid zone (EZ) damage after pars plana vitrectomy (PPV) for epiretinal membrane and evaluate ELM/EZ damage impact on functional and anatomical outcomes. METHODS Patients who underwent PPV with epiretinal membrane ± inner limiting membrane peeling were retrospectively analyzed. Best-corrected visual acuity and central macular thickness were longitudinally collected based on the available follow-up. Demographic data, clinical data, and surgical details were included in logistic regression models having ELM/EZ damage as a binary outcome. RESULTS Overall, 179 eyes (171 patients) were included; 93 had a 12-month follow-up. Thirty-four eyes (19%) had ELM/EZ damage after surgery; in nine eyes (5%), ELM/EZ damage persisted at 12 months. Phacoemulsification during PPV (odds ratio = 6.97; P = 0.007) and ELM/EZ damage before PPV (odds ratio = 6.91; P = 0.007) were risk factors for postoperative ELM/EZ disruption. Thicker outer nuclear layer (P = 0.002), thicker ectopic inner foveal layer (P < 0.001), and higher endoillumination power (P = 0.03) were associated with slower visual recovery. Inner limiting membrane peeling (P = 0.04) was associated with slower anatomical recovery. CONCLUSION Cataract extraction and outer retinal damage before PPV are associated with higher risk of photoreceptor damage postoperatively. The rate of visual improvement varies as a function of retinal layers' distortion before surgery; additional retinal manipulation slows restoration of the macular anatomy.
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Affiliation(s)
- Michał Post
- Ophthalmology Unit, Azienda Ospedaliera di Monza, Monza, Italy
- Department of Ophthalmology, SPKSO Ophthalmic Hospital, Medical University of Warsaw, Warsaw, Poland
| | - Maria Vittoria Cicinelli
- School of Medicine, Vita-Salute San Raffaele University, Milan, Italy; and
- Department of Ophthalmology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | | | - Alessandro Marchese
- Ophthalmology Unit, Azienda Ospedaliera di Monza, Monza, Italy
- School of Medicine, Vita-Salute San Raffaele University, Milan, Italy; and
- Department of Ophthalmology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Francesco Bandello
- School of Medicine, Vita-Salute San Raffaele University, Milan, Italy; and
- Department of Ophthalmology, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Michele Coppola
- Ophthalmology Unit, Azienda Ospedaliera di Monza, Monza, Italy
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Comparison of Viscoelastic Substance Injection Versus Air Filling in the Anterior Chamber During Foldable Capsular Vitreous Body (FCVB) Implant Surgery: A Prospective Randomized Controlled Trial. Adv Ther 2021; 38:4859-4871. [PMID: 34351566 PMCID: PMC8408088 DOI: 10.1007/s12325-021-01840-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 06/22/2021] [Indexed: 10/27/2022]
Abstract
INTRODUCTION To compare the outcomes of viscoelastic substance injection with air filling in the anterior chamber during foldable capsular vitreous body (FCVB) implant surgery in patients with severe retinal disease. METHODS Thirty eyes with severe retinal diseases were randomly divided into two groups. In the viscoelastic group, 0.15-0.2 mL of 1.7% sodium hyaluronate was injected into the anterior chamber after FCVB implantation; in the air group, the anterior chamber was maintained by filling the air after FCVB implant surgery. The eyes of treated patients were examined during a 24-week follow-up appointment. Data, including intraocular pressure (IOP), the difference between preoperative and postoperative IOP, and postoperative complications, were recorded. RESULTS Data collected from 27 eyes were used in the final analysis. The IOP of the air group was lower than that of the viscoelastic group from the first to third postoperative day (P < 0.01). Moreover, the difference between preoperative and postoperative IOP in the viscoelastic group was significantly smaller than that in the air group from the first to third postoperative day (P < 0.01). After the 1st postoperative week, postoperative IOP values were similar in the two groups (P > 0.05). Postoperative complications in the air group and the viscoelastic group included corneal blood staining (1 eye vs. 0 eyes), transient postoperative diffuse hemorrhage (5 eyes vs. 1 eye), inflammation reaction (9 eyes vs. 4 eyes), and postoperative fibrin exudation (4 eyes vs. 1 eye), respectively. CONCLUSION The use of viscoelastic substances in the anterior chamber during FCVB implant surgery was associated with less fluctuation in postoperative IOP and could reduce postoperative complications. REGISTRATION NUMBER ChiCTR-TNC-00000396.
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Intraoperative efficacy and clinical outcomes of two commercial staining solutions used in idiopathic epiretinal membrane surgery. Int Ophthalmol 2021; 41:1033-1041. [PMID: 33389424 DOI: 10.1007/s10792-020-01660-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 11/21/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE To compare two commercially available staining solutions (MembraneBlue Dual® by D.O.R.C., Netherlands, and TWIN by AL.CHI.MI.A. S.R.L., Italy), in terms of intraoperative handling, staining efficacy and safety, in eyes undergoing surgery for idiopathic epiretinal membrane (ERM). METHODS In this observational cross-sectional study, the performance of the dyes used during the procedure (cohesion, ERM and internal limiting membrane [ILM] staining efficacy) was scored by the surgeon using a customized questionnaire after 10 procedures with each of the two dyes. Best-corrected visual acuity (BCVA), central foveal thickness (CFT), blue-light fundus autofluorescence (BAF), and microperimetry-determined retinal sensitivity were reviewed preoperatively and then at 1 and 3 months after surgery. RESULTS ILM staining efficacy with TWIN was scored 2.89 ± 0.33 by the surgeons, which turned out to be higher than with MembraneBlue Dual® (1.90 ± 0.31, P = 0.0002). The cohesion score was 2.70 ± 0.48 for TWIN and resulted significantly higher than with MembraneBlue Dual® (1.60 ± 0.51, P = 0.0010). BCVA, CFT and retinal sensitivity were similar in the two groups, 1 and 3 months postoperatively (P nonsignificant for all). CONCLUSIONS Both TWIN and MembraneBlue Dual® dyes showed suitable staining properties and equivalent safety and efficacy profiles, both intra- and postoperatively. The TWIN dye might offer a solution for surgeons who prefer a more cohesive and stable dye.
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Brown GT, Pugazhendhi S, Beardsley RM, Karth JW, Karth PA, Hunter AA. 25 vs. 27-gauge micro-incision vitrectomy surgery for visually significant macular membranes and full-thickness macular holes: a retrospective study. Int J Retina Vitreous 2020; 6:56. [PMID: 33292716 PMCID: PMC7670804 DOI: 10.1186/s40942-020-00259-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 11/05/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND To evaluate visual and safety outcomes for 25-gauge (25G) and 27-gauge (27G) micro-incision vitrectomy platforms (MIVS) for the treatment of epiretinal membrane and full-thickness macular holes. METHODS Retrospective analysis of all patients who underwent internal limiting membrane (ILM) peel surgery from January 2017 through December 2018. 207 cases met the eligibility criteria for inclusion. Primary endpoint was post-operative Best-Corrected Distance Visual Acuity (BCVA) at 6 months. RESULTS For all patients combined, mean logMAR BCVA improved from 0.57 (± 0.40) to 0.37 (± 0.36) post-operatively (p < 0.001). For 25G ERMs, logMAR BCVA improved from 0.51 (± 0.28) to 0.30 (± 0.25) post-operatively (p < 0.001). For 27G ERMs, logMAR BCVA improved from 0.33 (± 0.28) to 0.28 (± 0.27) post- operatively (p = 0.15). For 25G FTMHs, logMAR BCVA improved from 0.87 (± 0.48) to 0.51 (± 0.44) post-operatively (p < 0.001). For 27G FTMHs, logMAR BCVA changed from 0.89 (± 0.47) to 0.96 (± 0.60). CONCLUSION Final visual outcomes improved for both 25G and 27G ERM groups and the 25G FTMH group. Both 25G and 27G were safe and well tolerated MIVS platforms for the treatment of ERM and FTMH.
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Affiliation(s)
- Gordon T Brown
- Oregon Eye Consultants LLC, 1550 Oak St, Suite 7, Eugene, OR, 97401, USA.
| | | | - Robert M Beardsley
- Oregon Eye Consultants LLC, 1550 Oak St, Suite 7, Eugene, OR, 97401, USA
| | - John W Karth
- Oregon Eye Consultants LLC, 1550 Oak St, Suite 7, Eugene, OR, 97401, USA
| | - Peter A Karth
- Oregon Eye Consultants LLC, 1550 Oak St, Suite 7, Eugene, OR, 97401, USA
| | - Allan A Hunter
- Oregon Eye Consultants LLC, 1550 Oak St, Suite 7, Eugene, OR, 97401, USA
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Ma J, Wang Q, Niu H. Comparison of 27-Gauge and 25-Gauge Microincision Vitrectomy Surgery for the Treatment of Vitreoretinal Disease: A Systematic Review and Meta-Analysis. J Ophthalmol 2020; 2020:6149692. [PMID: 32908682 PMCID: PMC7450297 DOI: 10.1155/2020/6149692] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 08/04/2020] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND We performed a systematic review and meta-analysis to evaluate the safety and effectiveness of 27-gauge (27-G) microincision vitrectomy surgery (MIVS) compared with 25-guage (25-G) MIVS for the treatment of vitreoretinal disease. METHODS A systematic electronic search was conducted in March 2020 in PubMed, Embase, and the Cochrane library. Eligible criteria for including studies were controlled trials comparing 27-G vitrectomy with 25-G vitrectomy in patients with vitreoretinal disease. The main outcomes included operation time; best corrected visual acuity (BCVA) in logMAR; postoperative intraocular pressure (IOP); primary anatomical success rate for rhegmatogenous retinal detachment (RRD) cases and postoperative central macular thickness (CMT) for idiopathic epiretinal membrane (ERM) cases; intraoperative/postoperative complications. Odds ratio (OR) and mean difference (MD) were synthesized under fixed or random effects models. RESULTS Eleven studies enrolling 940 eyes were identified. Among those 11 studies, six studies were on the treatment of RRD and five studies were on the treatment of ERM, so subgroup analyses were conducted. The total pooled results indicated that 27-G surgery system had obvious advantages in improving BCVA at six months after the vitrectomy (P = 0.004) and reducing intraoperative/postoperative complications (P = 0.03). However, the mean operation time was significantly longer by three minutes for 27-G compared with 25-G vitrectomy (P = 0.002). In subgroup analyses, for the treatment of ERM cases, 27-G group was associated with less complications and longer operation time. However, for the treatment of RRD cases, 27-G groups and 25-G groups were comparable in operation time, postoperative BCVA, postoperative IOP, and primary anatomical success rate. CONCLUSIONS This meta-analysis confirmed that 27-G MIVS was an effective and safe surgical system compared with 25-G MIVS for the treatment of RRD and ERM cases, even though 27-G system needs a longer surgical time.
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Affiliation(s)
- Jinlan Ma
- Department of Ophthalmology, Affiliated Hospital of Qinghai University, No. 29 of Tongren Road, Xining 810000, Qinghai Province, China
| | - Qing Wang
- Department of Ophthalmology, Affiliated Hospital of Qinghai University, No. 29 of Tongren Road, Xining 810000, Qinghai Province, China
| | - Haoyu Niu
- Medical College of Qingha University, No. 16 of Konglun Road, Xining 810000, Qinghai Province, China
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Association of retinal vessel density with retinal sensitivity in surgery for idiopathic epiretinal membrane. Graefes Arch Clin Exp Ophthalmol 2020; 258:1911-1920. [PMID: 32494873 DOI: 10.1007/s00417-020-04754-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/04/2020] [Accepted: 05/13/2020] [Indexed: 01/25/2023] Open
Abstract
PURPOSE The success of surgical treatment for idiopathic epiretinal membrane (ERM) is measured by postoperative best-corrected visual acuity (BCVA), metamorphopsia, and foveal retinal sensitivity (RS).This study searched for predictive biomarkers of surgical success by determining the association between foveal RS and various aspects of vessel density (VD) in the fovea of patients with ERM. METHODS The study examined 25 eyes of 25 patients with ERM who underwent 27-gauge microincision vitrectomy surgery (MIVS). RS was measured with microperimetry (MP-3; NIDEK) at four central points in the fovea with an interpoint distance of 2°. VD was measured with SD-OCT (RS 3000; NIDEK) within the 1-mm2 square defined by the 4 RS points at various depths, including the superficial and deep retinal capillary plexus (SCP and DCP, respectively). RESULTS Though VD did not change throughout the follow-up period, BCVA and RS significantly improved 1 and 3 months after surgery, respectively (both P < 0.0017). Postoperative RS at 6 months was positively correlated with postoperative DCP VD at 1, 3, and 6 months (r = 0.62, P = 0.001; r = 0.40, P = 0.049; r = 0.53, P = 0.007, respectively), but not with SCP VD at any time point. Multiple regression analysis confirmed that postoperative RS at 6 months was associated with postoperative DCP VD at 1 month (P = 0.03). CONCLUSION Higher postoperative DCP VD at 1 month contributed to better postoperative foveal RS at 6 months. Early postoperative VD in the fovea might be a useful predictive biomarker of late postoperative RS in the fovea in ERM patients.
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