American Journal of Ophthalmology

1991

DOI: 10.1016/s0002-9394(14)72377-3

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Nuclear Sclerotic Cataract After Vitrectomy for Idiopathic Epiretinal Membranes Causing Macular Pucker

George Cherfan¹,

Ronald G. Michels²,

Serge de Bustros³

et al.

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Cited by 220 publications

(117 citation statements)

References 14 publications

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“…5 It would therefore be of economic and symptomatic benefit to the patient if a combined procedure was undertaken as the rates of cataract progression are high following PPV. 19,20 In conclusion, this study shows improvement in VA after PPV and ERM removal. Patients with better initial VA achieve higher levels of visual outcome but those with poorer pre-operative VA show a greater change in VA following ERM surgery.…”

Section: Discussionmentioning

confidence: 59%

Visual acuity outcomes following surgery for idiopathic epiretinal membrane: an analysis of data from 2001 to 2011

¹

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²

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³

2013

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Purpose Pars plana vitrectomy (PPV) is commonly used to remove the epiretinal membrane (ERM), but the timing of surgical intervention guided by visual acuity (VA) performance at presentation is uncertain. Patients and methods Prospectively entered clinical data of 237 patients on an electronic patient record from 2001 to 2011 were analysed to determine visual outcomes, in particular in relation to pre-operative VA.Results The mean age of the patients was 68.8 years and 54.4% were female. Median follow-up was 0.55 years. The median pre-operative logMAR VA was 0.60 (SD 0.48-0.78, Snellen equivalent 6/36) and post-operative VA was 0.30 (SD 0.18-0.60, 6/12, Po0.005). Pre-operative VA correlated with post-operative VA (linear R 2 ¼ 0.22, Po0.0001). In all, 69.6% of patients showed an improvement in VA, 15.2% showed no change, and the condition of 15.2% worsened. The number of patients with an improvement in logMAR VA of more than 0.3 was greatest in those who had a pre-operative VA of 1.0 (6/60) or worse, followed by those in the range of 0.6-0.9 and then those with preoperative VA of 0.5 or better (Po0.001). The proportion of patients with visual improvement of logMAR VA of more than 0.3 increased statistically with progressing years (P ¼ 0.019). Conclusion In conclusion, this study shows improvement in VA after PPV and ERM removal. Patients with better initial VA achieve higher levels of visual outcome but those with poorer pre-operative VA show a greater change in VA following ERM surgery. Results of surgery improved over the time period of the study.

“…5 It would therefore be of economic and symptomatic benefit to the patient if a combined procedure was undertaken as the rates of cataract progression are high following PPV. 19,20 In conclusion, this study shows improvement in VA after PPV and ERM removal. Patients with better initial VA achieve higher levels of visual outcome but those with poorer pre-operative VA show a greater change in VA following ERM surgery.…”

Section: Discussionmentioning

confidence: 59%

Visual acuity outcomes following surgery for idiopathic epiretinal membrane: an analysis of data from 2001 to 2011

¹

,

²

,

³

2013

View full text Add to dashboard Cite

Purpose Pars plana vitrectomy (PPV) is commonly used to remove the epiretinal membrane (ERM), but the timing of surgical intervention guided by visual acuity (VA) performance at presentation is uncertain. Patients and methods Prospectively entered clinical data of 237 patients on an electronic patient record from 2001 to 2011 were analysed to determine visual outcomes, in particular in relation to pre-operative VA.Results The mean age of the patients was 68.8 years and 54.4% were female. Median follow-up was 0.55 years. The median pre-operative logMAR VA was 0.60 (SD 0.48-0.78, Snellen equivalent 6/36) and post-operative VA was 0.30 (SD 0.18-0.60, 6/12, Po0.005). Pre-operative VA correlated with post-operative VA (linear R 2 ¼ 0.22, Po0.0001). In all, 69.6% of patients showed an improvement in VA, 15.2% showed no change, and the condition of 15.2% worsened. The number of patients with an improvement in logMAR VA of more than 0.3 was greatest in those who had a pre-operative VA of 1.0 (6/60) or worse, followed by those in the range of 0.6-0.9 and then those with preoperative VA of 0.5 or better (Po0.001). The proportion of patients with visual improvement of logMAR VA of more than 0.3 increased statistically with progressing years (P ¼ 0.019). Conclusion In conclusion, this study shows improvement in VA after PPV and ERM removal. Patients with better initial VA achieve higher levels of visual outcome but those with poorer pre-operative VA show a greater change in VA following ERM surgery. Results of surgery improved over the time period of the study.

“…Cataract formation is known to be the most frequent complication after 20-gauge vitrectomy, and rates reported vary from 12.5 to 80%. 7,8,[10][11][12][13][14][15][16] To date, the only other report describing a high rate of cataract formation after 25-gauge vitrectomy is by Ibarra and colleagues. 3 In their study of 45 cases of 25-gauge vitrectomy, they found cataract progression to occur in 79% of phakic eyes.…”

Section: Discussionmentioning

confidence: 99%

Outcomes following 25-gauge vitrectomies

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²

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³

et al. 2007

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Purpose Twenty-five gauge vitrectomy surgery offers potential advantages over standard 20-gauge vitrectomy surgery, but the short-and long-term post-operative complications, such as cataract formation, are still being evaluated. This study quantifies the outcomes seen following 25-gauge vitrectomies. Methods This is a retrospective, consecutive, non-comparative case series of 25-gauge vitrectomies performed between January 2002 and August 2004. Cases without at least 3 months of follow-up and previous vitrectomies were excluded. Analyses were performed with t-test and Kaplan-Meier curves.Results Seventy-one cases met inclusion criteria. The mean age of the patients was 65 years old (SD 11 years). A variety of surgical indications were included. A statistically significant difference was seen between the mean preoperative visual acuity (20/100) and the mean visual acuity at the 3-month post-operative visit (20/60; Po0.0001). A Kaplan-Meier curve established that for all cases 63.4% of eyes required cataract extraction at 1 year. Total mean follow-up time was 8.675.5 months. Conclusions Statistically significant improvement was seen in mean vision by 3 months following 25-gauge vitrectomy. Cataract formation after 25-gauge vitrectomies remains an important consideration.

“…The exact pathogenesis of cataract formation or acceleration after vitrectomy is unknown. Older studies have suggested that light toxicity, oxidation of lens proteins, use of intraocular gas and length of operative time may be causative factors (Cherfan 1991;de Bustros 1988;Ogura 1991). Newer research suggests that vitrectomy surgery increases oxygen tension within the eye; oxygen exposure has been linked with progressive nuclear sclerotic cataract formation (Holekamp 2005: Palmquist 1988).…”

Section: Background Description Of the Conditionmentioning

confidence: 99%

“…By two years, 100% of eyes in the surgery cohort had cataract progression, compared to 8% of control eyes. Similarly, Cherfan and colleagues retrospectively reviewed 100 eyes after vitrectomy for idiopathic macular pucker (Cherfan 1991). After an average follow up of 29 months (range six to 99 months), 80 eyes in the vitrectomy group had developed a visually significant nuclear sclerotic cataract or had undergone cataract extraction compared to only 24 eyes in the control group.…”

Section: Background Description Of the Conditionmentioning

confidence: 99%

Surgery for postvitrectomy cataract

¹

,

²

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³

et al. 2018

Cochrane Database of Systematic Reviews

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Background-Cataract formation or acceleration can occur after intraocular surgery, especially following vitrectomy, a surgical technique used in the treatment of disorders that affect the posterior segment of the eye. The underlying problem that led to vitrectomy may limit benefit from cataract surgery.

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