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Faster recovery after 25-gauge microincision vitrectomy surgery than after 20-gauge vitrectomy in patients with proliferative diabetic retinopathy

Authors Sato T, Emi K, Bando H, Ikeda T

Received 7 September 2012

Accepted for publication 11 October 2012

Published 21 November 2012 Volume 2012:6 Pages 1925—1930

DOI https://doi.org/10.2147/OPTH.S37864

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3


Tatsuhiko Sato, Kazuyuki Emi, Hajime Bando, Toshihide Ikeda

Osaka Rosai Hospital Clinical Research Center for Occupational Sensory Organ Disability, Sakai, Japan

Background and methods: We compared surgical procedures and outcomes, including duration of recovery period, in eyes with proliferative diabetic retinopathy that underwent 25-gauge microincision vitrectomy surgery with those that underwent 20-gauge vitrectomy. Seventy-two eyes from 53 patients that underwent 20-gauge vitrectomy in 2006 and 87 eyes from 55 patients that underwent 25-gauge vitrectomy in 2010 were studied. The surgical procedures, ie, number of vitreous procedures, operating time, and ratio of type of intraocular tamponade were compared between the two groups. In addition, the outcomes, ie, postoperative complications, anatomical success, postoperative best-corrected visual acuity (BCVA), and duration of hospitalization as an indicator of the postoperative recovery period were also compared.
Results: There were no significant differences in surgical procedures or ratio of cases with postoperative complications between cases with 20-gauge and 25-gauge vitrectomy. The final anatomical success rate was 100% in the two groups. BCVA at 6 months after the final vitrectomy was significantly better than the preoperative BCVA for both types of vitrectomy (P < 0.05), and was not significantly different between the two groups. The average duration of hospitalization was 19.5 days after 20-gauge vitrectomy, which was significantly longer than the 11.0 days after 25-gauge vitrectomy (P < 0.001).
Conclusion: These results indicate that the anatomical and functional improvements after 25-gauge microincision vitrectomy surgery are not significantly different from those after 20-gauge vitrectomy in eyes with proliferative diabetic retinopathy. However, the significantly shorter recovery period after 25-gauge microincision vitrectomy surgery suggests that it is less traumatic than 20-gauge vitrectomy.

Keywords: vitrectomy, 25-gauge vitrectomy, microincision vitrectomy surgery, diabetic retinopathy, postoperative recovery

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