Citation:Yin L,Liu AQ,Jin X,Jia L,Wang FX.Comparison of outcomes of idiopathic macular holes treated by vitrectomy with air or silicone oil tamponade based on the hole size.Int J Ophthalmol 2022;15(8):1305-1309,doi:10.18240/ijo.2022.08.12
Comparison of outcomes of idiopathic macular holes treated by vitrectomy with air or silicone oil tamponade based on the hole size
Received:January 03, 2022  Revised:April 13, 2022
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DOI:10.18240/ijo.2022.08.12
Key Words:idiopathic macular hole  vitreoretinal surgery  silicone oil  air
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Lan Yin Senior Department of Ophthalmology, the Third Medical Center of Chinese PLA General Hospital, Beijing , China
An-Qi Liu Senior Department of Ophthalmology, the Third Medical Center of Chinese PLA General Hospital, Beijing , China
Xin Jin Senior Department of Ophthalmology, the Third Medical Center of Chinese PLA General Hospital, Beijing , China
Liang Jia Senior Department of Ophthalmology, the Third Medical Center of Chinese PLA General Hospital, Beijing , China
Feng-Xiang Wang Senior Department of Ophthalmology, the Third Medical Center of Chinese PLA General Hospital, Beijing , China
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Abstract:
      AIM: To compare the efficacy of vitrectomy combined with air or silicone oil in the treatment of idiopathic macular hole (IMH).

    METHODS: According to the results of high-definition optical coherence tomography (HD-OCT), 75 cases (75 eyes) of IMH in stage II-IV (Gass stage) in the General Hospital of Chinese PLA from January 2017 to December 2019 were collected for this retrospective study. The best corrected visual acuity (BCVA) and minimum diameter of IMH (MMHD) were measured. Eyes underwent vitrectomy combined with internal limiting membrane peeling operation, and were divided into disinfection air group (30 eyes) and silicone oil group (45 eyes) according to the intraocular tamponade. For MMHD≤400 μm (MMHD1), there were 23 eyes in air group and 16 eyes in silicone oil group. For MMHD2>400 μm (MMHD2), there were 7 eyes in air group and 29 eyes in silicone oil group. One month after surgery, the closure rates of IMH and BCVA were compared and analyzed. According to HD-OCT, the closure shape was graded with A (bridge closure) and B (good closure).

    RESULTS: The closure rates of air group and silicone oil group were 86.67% and 95.56% respectively with no significant difference (P>0.05); For MMHD1, those of air group and silicone oil group were 95.65% and 100% respectively with no significant difference (P>0.05); For MMHD2, those of air group and silicone oil group were 57.14% and 93.10% respectively, and those of the silicone oil group were higher than the air group (P<0.05). There was no significant difference in the closure shape grade between MMHD1 air group and silicone oil group (P>0.05). The proportion of Grade B in MMHD2 silicone oil group was higher than that in the air group (P<0.05). BCVA of each group after operation was better than that before operation, and there was no significant difference between air group and silicone oil group. While among them, MMHD1 air group was better than silicone oil group (P<0.05), and there was no significant difference between MMHD2 air group and silicone oil group (P>0.05).

    CONCLUSION: For smaller IMH (≤400 μm), the efficacy of vitrectomy combined with air should be considered better than silicone oil; for larger IMH (>400 μm), the efficacy of silicone oil may be better than air.

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