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Outcomes of 23- and 25-Gauge Transconjunctival Sutureless Vitrectomies for Idiopathic Macular Holes.
  1. Sentaro Kusuhara (kusu{at}med.kobe-u.ac.jp),
  2. Sotaro Ooto,
  3. Daisaku Kimura,
  4. Kyoko Itoi,
  5. Hirokazu Mukuno,
  6. Noriko Miyamoto,
  7. Masayuki Akimoto,
  8. Shoji Kuriyama,
  9. Hitoshi Takagi (takagi{at}hp.pref.hyogo.jp)
  1. Hyogo Prefectual Amagasaki Hospital, Japan
  2. Hyogo Prefectual Amagasaki Hospital, Japan
  3. Hyogo Prefectual Amagasaki Hospital, Japan
  4. Hyogo Prefectual Amagasaki Hospital, Japan
  5. Hyogo Prefectual Amagasaki Hospital, Japan
  6. Hyogo Prefectual Amagasaki Hospital, Japan
  7. Hyogo Prefectual Amagasaki Hospital, Japan
  8. Otsu Red-Cross Hospital, Japan
  9. Hyogo Prefectual Amagasaki Hospital, Japan

    Abstract

    Background/aims: To assess the outcomes of 23-gauge sutureless transconjunctival vitrectomies (TSV), as compared to 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 analyzed.

    Results: The operative time was 37.2 ± 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 minimal 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 mmHg) than with 23-gauge TSV (17.4 ± 5.8 mmHg) (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.

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