Outcomes of 23- and 25-gauge transconjunctival sutureless vitrectomies for idiopathic macular holes
- S Kusuhara1,
- S Ooto1,
- D Kimura1,
- K Itoi1,
- H Mukuno1,
- N Miyamoto1,
- M Akimoto1,
- S Kuriyama2,
- H Takagi1
- 1Department of Ophthalmology, Hyogo Prefectural Amagasaki Hospital, Amagasaki, Hyogo, Japan
- 2Department of Ophthalmology, Otsu Red-Cross Hospital, Otsu, Shiga, Japan
- Dr H Takagi, Department of Ophthalmology, Hyogo Prefectural Amagasaki Hospital, 1-1-1 Higashi-Daimotsu-cho, Amagasaki, Hyogo 660-0828, Japan;
- Accepted 27 May 2008
- Published Online First 9 July 2008
Background/aims: To assess the outcomes of 23-gauge sutureless transconjunctival vitrectomies (TSV), as compared with 25-gauge TSV in macular hole surgeries.
Methods: A retrospective, consecutive, interventional case series of 47 eyes with idiopathic macular holes treated by 23- or 25-gauge TSV were analysed.
Results: The operative time was 37.2 (SD 8.9) min with 23-gauge TSV and 34.2 (8.7) min with 25-gauge TSV (p = 0.388). The anatomical success rate was 96% with 23-gauge TSV and 92% with 25-gauge TSV (p>0.999). The logarithm of the minimum angle of resolution of best-corrected visual acuity (BCVA) at the sixth postoperative month was 0.19 (0.16) with 23-gauge TSV and 0.19 (0.25) with 25-gauge TSV (p = 0.521). Postoperative improvement in BCVA was comparable between the two TSVs. IOP on postoperative day 1 was lower with 25-gauge TSV (12.3 (4.9) mm Hg) than with 23-gauge TSV (17.4 (5.8) mm Hg) (p = 0.036). Complications included retinal break, intraoperative bleeding and slippage of the infusion cannula with 23-gauge TSV, while retinal detachment and postoperative hypotony occurred in the 25-gauge TSV group (p = 0.570).
Conclusion: 23-gauge TSV appears to be as safe and effective as 25-gauge TSV in macular hole surgery.
The first two authors contributed equally.
Competing interests: None.
Ethics approval: This study was approved by the Institutional Review Board and conducted in accordance with the tenet of Declaration of Helsinki.
Patient consent: Obtained.