scholarly journals Effect of axial length and age on the visual outcome of patients with idiopathic epiretinal membrane after pars plana vitrectomy

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Sakiko Minami ◽  
Hajime Shinoda ◽  
Yuta Shigeno ◽  
Norihiro Nagai ◽  
Toshihide Kurihara ◽  
...  
Keyword(s):  
Confidence Interval ◽  
Axial Length ◽  
Epiretinal Membrane ◽  
Pars Plana Vitrectomy ◽  
Visual Outcome ◽  
Idiopathic Epiretinal Membrane ◽  
Corrected Visual Acuity ◽  
Pars Plana ◽  
The Mean ◽  
Clinical Records

AbstractWe evaluated predictive factors for visual outcomes in patients with idiopathic epiretinal membrane (iERM) after pars plana vitrectomy (PPV). Clinical records for 114 eyes (114 patients, mean age: 70.6 years) with iERM treated by PPV between March 2012 and March 2018 were retrospectively reviewed. Overall, the mean postoperative best-corrected visual acuity (BCVA) and central retinal thickness measured by optical coherence tomography improved as early as 1 month after surgery, and further improved until 3 months (P < 0.01). Multiple linear regression analyses adjusted for the preoperative BCVA showed that older age (B, 0.010; 95% confidence interval, 0.003 to 0.016; P = 0.003) and a shorter axial length (AL; B, −0.059; 95% confidence interval, −0.099 to −0.019; P = 0.005) predicted worse postoperative BCVA. The Mann-Whitney U test showed that the postoperative BCVA was worse in eyes with AL < 23.6 mm than in eyes with AL ≥ 23.6 mm (P = 0.037), and in patients aged ≥69 years than in patients aged <69 years (P = 0.024). The findings may help in evaluating surgical indications for each patient to obtain satisfactory outcomes, irrespective of the preoperative BCVA.

scholarly journals Comparison of the effect of air tamponade versus no tamponade after pars plana vitrectomy for idiopathic epiretinal membrane

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Kyuhwan Jang ◽  
Daniel Duck-Jin Hwang ◽  
Jayoung Ahn ◽  
Gisung Son ◽  
Ji In Park ◽  
...  
Keyword(s):  
Epiretinal Membrane ◽  
Pars Plana Vitrectomy ◽  
Additional Benefit ◽  
Central Macular Thickness ◽  
Fiber Layer ◽  
Idiopathic Epiretinal Membrane ◽  
Corrected Visual Acuity ◽  
Pars Plana ◽  
Air Tamponade ◽  
Best Corrected Visual Acuity

AbstractThis study aimed to compare the surgical outcomes of pars plana vitrectomy (PPV) with and without air tamponade in patients with idiopathic epiretinal membrane (iERM). We prospectively enrolled 145 patients with iERM who underwent a 25-gauge transconjunctival sutureless PPV. Patients were assigned to either the air tamponade (air) group (79 eyes) or balanced salt solution (BSS; no tamponade) group (66 eyes). The central macular thickness (CMT), peripapillary retinal nerve fiber layer (pRNFL) thickness, and best-corrected visual acuity (BCVA) were compared for two years. At baseline, there were no significant differences between the two groups. CMT and BCVA were not significantly different between the groups for 2 years. However, the air group had a significantly lower thickness in the superior temporal pRNFL sector at 1 month (p = 0.01) and in the inferior temporal and superior temporal pRNFL sectors at 3 months (p = 0.02 for both). There were no significant differences between both groups in all the pRNFL sectors from 6 months to 2 years. The outcomes of PPV with air tamponade and that with no tamponade appear to be equivalent. This shows that air tamponade may not be an imperative procedure for iERM surgery and has no additional benefit.

Prognostic Factors Associated with Visual Outcome after Pars Plana Vitrectomy with Internal Limiting Membrane Peeling for Idiopathic Epiretinal Membrane

2015 ◽  
Vol 234 (3) ◽  
pp. 119-126 ◽  
Author(s):  
Kamil G. Laban ◽  
Laura M.E. Scheerlinck ◽  
Redmer van Leeuwen
Keyword(s):  
Epiretinal Membrane ◽  
Pars Plana Vitrectomy ◽  
Linear Regression Analysis ◽  
Visual Outcome ◽  
Internal Limiting Membrane ◽  
Internal Limiting Membrane Peeling ◽  
Idiopathic Epiretinal Membrane ◽  
Factors Associated ◽  
Membrane Peeling ◽  
Pars Plana

Purpose: Pars plana vitrectomy with internal limiting membrane peeling for idiopathic epiretinal membrane has shown varying results. More data are needed on the factors associated with visual outcome. Methods: We extracted baseline clinical characteristics, optical coherence tomography (OCT) characteristics and 3-month postoperative best-corrected visual acuity (BCVA). Linear regression analysis was used to evaluate whether baseline and OCT characteristics are associated with BCVA at 3 months as well as BCVA difference. Results: Out of 82 operated eyes, 66 (80%) had a 3-month follow-up, and 47 (71%) showed a 3-month postoperative improvement. Preoperative BCVA was an independent determinant of postoperative BCVA (r = 0.31; p < 0.01) and BCVA difference (r = 0.68; p < 0.01). Other baseline and OCT characteristics showed no independent associations with postoperative outcome. Conclusion: Better preoperative BCVA predicts better postoperative BCVA. Other baseline and OCT characteristics are not associated with visual outcome 3 months after surgery.

Prevalence and risk factors of ellipsoid zone damage after pars plana vitrectomy for idiopathic epiretinal membrane

Retina ◽  
2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Michał Post ◽  
Maria Vittoria Cicinelli ◽  
Emma Clara Zanzottera ◽  
Alessandro Marchese ◽  
Francesco Bandello ◽  
...  
Keyword(s):  
Risk Factors ◽  
Epiretinal Membrane ◽  
Pars Plana Vitrectomy ◽  
Ellipsoid Zone ◽  
Idiopathic Epiretinal Membrane ◽  
Pars Plana

scholarly journals Risk of newly developing visual field defect and neurodegeneration after pars plana vitrectomy for idiopathic epiretinal membrane

2020 ◽  
pp. bjophthalmol-2020-317478
Author(s):  
Kunihiko Akino ◽  
Norihiro Nagai ◽  
Kazuhiro Watanabe ◽  
Norimitsu Ban ◽  
Toshihide Kurihara ◽  
...  
Keyword(s):  
Visual Field ◽  
Epiretinal Membrane ◽  
Pars Plana Vitrectomy ◽  
Internal Limiting Membrane ◽  
Visual Field Defects ◽  
Automated Perimetry ◽  
Standard Automated Perimetry ◽  
Ilm Peeling ◽  
Idiopathic Epiretinal Membrane ◽  
Pars Plana

Background/AimsPars plana vitrectomy (PPV) is widely performed in patients with idiopathic epiretinal membrane (iERM) to improve vision. Postoperative visual field defects (VFDs) have been previously reported. However, whether they occur when using the most recent PPV system, and the frequency of VFDs as measured by standard automated perimetry, remain poorly documented and were examined in this study.MethodsData of 30 eyes (30 patients; mean age, 66.1 years; 15 men) who underwent PPV for iERM during February 2016–June 2019 and had preoperative and postoperative visual field measurements using standard automated perimetry (Humphrey visual field analyser 30-2 program) were retrospectively analysed. Eyes with diseases other than iERM, including moderate-to-severe cataract or preoperative VFDs were excluded.ResultsVFD, defined by the Anderson and Patella’s criteria, was found in 73.3% of the eyes 1 month after PPV. After age adjustment, internal limiting membrane (ILM) peeling was identified as a risk factor for postoperative VFD (p=0.035; 95% CI 1.173 to 92.8). Postoperative VFD was frequently observed nasally (86.4%, p=0.002), and on optical coherence tomography measurements, ganglion cell layer (GCL) thinning was found temporal to the fovea (p=0.008). Thinning of the superior and inferior retinal nerve fibre layers and of the GCL temporal to the fovea were significant in eyes after ILM peeling (all p<0.05).ConclusionILM peeling may cause inner retinal degeneration and lead to the development of VFDs after PPV, which should be further examined.

scholarly journals Clinical profile and visual outcome following pars plana vitrectomy in acute post-operative endophthalmitis

1970 ◽  
Vol 3 (2) ◽  
pp. 102-108 ◽  
Author(s):  
R Thapa ◽  
G Paudyal
Keyword(s):  
Cataract Surgery ◽  
Pars Plana Vitrectomy ◽  
Case Series ◽  
Visual Outcome ◽  
Clinical Profile ◽  
Case Series Study ◽  
Study Results ◽  
Pars Plana ◽  
The Mean ◽  
Good Vision

Introduction: Endophthalmitis following cataract surgery is a rare but devastating ocular complication where delay in treatment not only results in vision loss but also in difficulty to save the eye ball. Objective: To explore the clinical profile and visual outcome following pars plana vitrectomy (PPV) in acute endophthalmitis after cataract surgery. Materials and methods: This is a retrospective interventional case series study conducted at Tilganga Institute of Ophthalmology (TIO), Nepal. All consecutive cases of acute endophthalmitis following cataract surgery treated with PPV from January 2005 to August 2010 were included in the study. Results: There were a total of 34 cases (34 eyes) treated with PPV. The age range was 8 - 93 years with mean age of 56.9 ± 19.5 years. The mean duration of presentation and duration following cataract surgery was 7.7 ± 8.1days and 13 ± 11.6 days respectively. Small incision cataract surgery was done in 75 % of cases followed by phacoemulsification (15.6 %). The mean duration of the last follow -up was 4.3 months. Vision was improved in two-thirds of cases (67.67 %) with a good vision of 6/18 or better in 17.6 %. Among the available vitreous samples of 22 cases, 36.36 % had an abnormality in Gram and Giemsa stains and culture was positive in 13.6 % of cases. Conclusion: Despite the late presentation, the majority of eyes were salvaged with improvement of vision in 67.67 %, with a good vision of 6/18 or better in 17.6 4 % of cases following PPV in acute post operative endophthalmitis. Key words: Endophthalmitis, vitrectomy, cataract surgery, visual outcome DOI: http://dx.doi.org/10.3126/nepjoph.v3i2.5260 Nepal J Ophthalmol 2011; 3(2): 102-108

scholarly journals Effect of Bevacizumab Injection before Vitrectomy on Intravitreal Hemorrhage in Pseudophakic Patients with Proliferative Diabetic Retinopathy

2013 ◽  
Vol 5 ◽  
pp. OED.S12352 ◽  
Author(s):  
Mehmet Demir ◽  
Ersin Oba ◽  
Efe Can ◽  
Orhan Kara ◽  
Sonmez Cinar
Keyword(s):  
Visual Acuity ◽  
Diabetic Retinopathy ◽  
Proliferative Diabetic Retinopathy ◽  
Pars Plana Vitrectomy ◽  
Intravitreal Bevacizumab ◽  
Central Macular Thickness ◽  
Intraoperative Bleeding ◽  
Corrected Visual Acuity ◽  
Pars Plana ◽  
The Mean

We evaluated the effect of intravitreal bevacizumab (IVB) injection before pars plana vitrectomy (PPV) on intravitreal hemorrhage (VH) during and after vitrectomy for postoperative the first day and the first month in pseudophakic patients with proliferative diabetic retinopathy (PDR). This retrospective study was performed on 44 eyes of 44 patients who underwent vitrectomy for PDR. Patients were divided into PPV (n = 22 eyes) and PPV + IVB (n = 22 eyes) groups. Injection of bevacizumab (1.25 mg/0.05 mL) was performed 3 days before vitrectomy. Outcomes of visual acuity as well as intraoperative and postoperative VH were compared between the two groups. One month after surgery, visual acuity improved in PPV and PPV + IVB groups ( P = 0.005, P = 0.006), respectively. There was no difference between the two groups in best corrected visual acuity at baseline and after vitrectomy ( P = 0.71). Intraoperative bleeding into the vitreous was recorded in 14 (63.6%) cases in the PPV group and in 7 (31.8%) cases in the PPV + IVB group. The first month, intravitreal hemorrhage was recorded in six patients in the PPV group and in two patients in the PPV + IVB group ( P = 0.03). The mean pre-postoperative central macular thickness was similar in both groups. Intravitreal injection of IVB before vitrectomy decreased the rate of VH at the time of surgery and at the first postoperative month in patients with PDR.

scholarly journals Determination of a New Parameter, Elevated Epiretinal Membrane, by En Face OCT as a Prognostic Factor for Pars Plana Vitrectomy and Safer Epiretinal Membrane Peeling

2015 ◽  
Vol 2015 ◽  
pp. 1-7 ◽  
Author(s):  
Mitrofanis Pavlidis ◽  
Ilias Georgalas ◽  
Norbert Körber
Keyword(s):  
Prognostic Factor ◽  
Epiretinal Membrane ◽  
Pars Plana Vitrectomy ◽  
Visual Outcome ◽  
Foveal Thickness ◽  
Central Foveal Thickness ◽  
En Face Oct ◽  
En Face ◽  
Outcome Improvement ◽  
Pars Plana

Purpose. To evaluate the significance of the area of epiretinal membrane (EM) that is not in contact with the retinal structure as a preoperative parameter for safer grasping of the EM and a prognostic factor for visual improvement/outcome.Methods. This prospective observational study included 73 consecutive patients (80 eyes) who underwent pars plana vitrectomy (PPV) and EM peeling. Corrected distance visual acuity (CDVA) and central foveal thickness (CFT) were evaluated preoperatively and at 12 months postoperatively. The number of initial peeling grasps was recorded in the operation protocol. The elevated EM portion was identified by en face optical coherence tomography (OCT) and processed digitally to calculate its area.Results. Surgery was found to significantly improve CDVA and decrease CFT. CDVA improvement correlated with elevated EM, preoperative CFT, and the number of grasping attempts.Conclusion. The detection of elevated EM via en face OCT could assist safer grasping of the EM and indicate the potential for visual outcome improvement after PPV and EM peeling.

scholarly journals Via pars plana anterior iris enclavation IOL fixation

2021 ◽  
Vol 14 (5) ◽  
pp. 774-776
Author(s):  
Tomaso Caporossi ◽  
◽  
Giancarlo Albani ◽  
Francesco Barca ◽  
Fabrizio Giansanti ◽  
...  
Keyword(s):  
Pars Plana Vitrectomy ◽  
Spherical Equivalent ◽  
Choroidal Detachment ◽  
Fixation Technique ◽  
Corrected Visual Acuity ◽  
Pars Plana ◽  
The Mean ◽  
A Prospective Study ◽  
Iol Fixation ◽  
Best Corrected Visual Acuity

AIM: To describe a via pars plana anterior iris enclavation intraocular lens (IOL) fixation technique METHODS: A total of 35 consecutive aphakic vitrectomised patients (average age 71.12±10.12y) underwent pars plana vitrectomy (PPV) and via pars plana anterior iris enclavation IOL fixation. RESULTS: The mean preoperative best corrected visual acuity (BCVA) was 0.11±0.14 logMAR, the mean postoperative BCVA was 0.07±0.11 logMAR. The preoperative mean spherical equivalent was 7.22±4.21 D. The final mean spherical equivalent was -0.25±0.15 D. No eyes had hypotony, retinal or choroidal detachment or endophthalmitis. CONCLUSION: This technique may be a safe and useful in the case of aphakia, and a prospective study would be useful to confirm this findings.

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