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. 2001 Jul;108(7):1187-92.
doi: 10.1016/s0161-6420(01)00593-0.

Indocyanine green-assisted peeling of the retinal internal limiting membrane during vitrectomy surgery for macular hole repair

A P Da Mata  1 , S E Burk, C D Riemann, R H Rosa Jr, M E Snyder, M R Petersen, R E Foster
Affiliations

Indocyanine green-assisted peeling of the retinal internal limiting membrane during vitrectomy surgery for macular hole repair

A P Da Mata et al. Ophthalmology. 2001 Jul.

Abstract

Objective: To determine the efficacy and safety of indocyanine green (ICG)-assisted retinal internal limiting membrane (ILM) peeling during macular hole repair.

Design: Interventional, noncomparative, prospective case series.

Participants: Twenty-four consecutive patients (24 eyes) with stage 3 or 4 macular holes.

Intervention: All eyes underwent a pars plana vitrectomy, including peeling of the posterior cortical hyaloid when necessary. Indocyanine green dye (0.5%) was instilled into the posterior vitreous cavity over the macula and left in place for 3 to 5 minutes. After removal of the ICG, the retinal ILM was peeled. Medium- to long-acting gas tamponade was used in all cases, and all patients were asked to position face down for 1 to 2 weeks.

Main outcome measures: Intraoperative staining properties of ICG, technical ease of peeling of the retinal ILM, postoperative anatomic results, visual acuity, and complications were recorded.

Results: Indocyanine green stained the retinal ILM, but did not stain the underlying retina. Indocyanine green staining greatly facilitated the surgeons' ability to visualize and peel the ILM in each case. Peeled tissue was sent for both light and electron microscopic studies, which confirmed that the ICG-stained tissue was truly retinal ILM. Patients were observed after surgery for an average of 123 days (range, 23-195 days). Anatomic closure of the macular hole was achieved in 21 eyes (88%) with a single surgery. Visual acuity improved in 23 of 24 patients (96%) after surgery. There were no intra- or postoperative complications related to ICG use, and there was no clinical or fluorescein angiographic evidence of ICG toxicity.

Conclusions: Indocyanine green stains the retinal ILM. This property facilitates ILM peeling by providing a stark contrast between the stained ILM and the unstained retina. Indocyanine green staining of the ILM appears to be a safe and useful adjunct in vitreous surgery for macular hole repair.

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Comment in

  • ICG-assisted peeling of the retinal ILM.
    Cheung BT, Yuen CY, Lam DS, Tang HM, Yan YN, Chen WQ. Cheung BT, et al. Ophthalmology. 2002 Jun;109(6):1039-40; author reply 1040-1. doi: 10.1016/s0161-6420(02)00969-7. Ophthalmology. 2002. PMID: 12045033 No abstract available.
  • ICG-assisted peeling of the retinal ILM.
    Haritoglou C, Gass CA, Gandorfer A, Kampik A. Haritoglou C, et al. Ophthalmology. 2002 Jun;109(6):1039; author reply 1040-1. doi: 10.1016/s0161-6420(02)00970-3. Ophthalmology. 2002. PMID: 12045034 No abstract available.
  • ICG-assisted peeling of the retinal ILM.
    Kwok AK, Yeung YS, Lee VY, Wong TH. Kwok AK, et al. Ophthalmology. 2002 Jun;109(6):1040; author reply 1040-1. doi: 10.1016/s0161-6420(02)00968-5. Ophthalmology. 2002. PMID: 12045036 No abstract available.

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