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Pharmacologic Induction of Posterior Vitreous Detachment in the Rabbit

Thierry Verstraeten

Open publisher page 150 citations

Abstract

OBJECTIVE: To assay the proteolytic activity of plasmin on the vitreoretinal junction and to assess a potential facilitating effect on posterior vitreous detachment. METHODS: We injected 1 U of plasmin into the vitreous of rabbits. Some eyes underwent vitrectomy after plasmin injection. Electroretinography and electron microscopy were performed. RESULTS: In plasmin-treated eyes, electroretinography displayed a transient (3 days) decreased b-wave amplitude. Histologic examination demonstrated posterior vitreous detachment in eyes that received intravitreal plasmin followed by vitrectomy. CONCLUSION: Plasmin may prove to be a useful biochemical adjunct to mechanical vitrectomy.

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What this paper is about

OBJECTIVE: To assay the proteolytic activity of plasmin on the vitreoretinal junction and to assess a potential facilitating effect on posterior vitreous detachment. METHODS: We injected 1 U of plasmin into the vitreous of rabbits. Some eyes underwent vitrectomy after plasmin injection. Electroretinography and electron microscopy were performed. RESULTS: In plasmin-treated eyes, electroretinography displayed a transient (3 days) decreased b-wave amplitude. Histologic examination demonstrated posterior vitreous detachment in eyes that received intravitreal plasmin followed by vitrectomy. CONCLUSION: Plasmin may prove to be a useful biochemical adjunct to mechanical vitrectomy.

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OpenAlex reports 150 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

OBJECTIVE: To assay the proteolytic activity of plasmin on the vitreoretinal junction and to assess a potential facilitating effect on posterior vitreous detachment. METHODS: We injected 1 U of plasmin into the vitreous of rabbits. Some eyes underwent vitrectomy after plasmin injection. Electroretinography and electron microscopy were performed. RESULTS: In plasmin-treated eyes, electroretinography displayed a transient (3 days) decreased b-wave amplitude. Histologic examination demonstrated posterior vitreous detachment in eyes that received intravitreal plasmin followed by vitrectomy. CONCLUSION: Plasmin may prove to be a useful biochemical adjunct to mechanical vitrectomy.

Key concepts: Posterior vitreous detachment, Plasmin, Vitrectomy, Ophthalmology, Electroretinography, Medicine, Retina, Lagomorpha

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