Equis ISSN 2398-2977

Conjunctiva: graft - pedicle flap

Contributor(s): Dennis E Brooks, Graham Munroe, John Parker, Joe Wolfer

Introduction

  • To physically support a weakened cornea and bring a blood supply directly to a corneal lesion, usually an ulcer.
  • The conjunctival flap will adhere to any areas where corneal epithelium is missing providing increased blood supply, nutrition and immune response.

Uses

  • Assist in the repair of deep corneal ulcers especially where cornea is severely compromised and deteriorating.
  • See also grafting   Skin: grafting - overview  .

Advantages

  • Direct supply of blood and therefore vascular based grwoth factors, fibroblasts and other repair elements to the cornea.
  • Provides physical support to the thin cornea.

Disadvantages

  • Conjunctival flap techniques all require dissection of conjunctiva from Tenon's capsule (episcleral fascia) in order to reduce the flap elasticity, which increase the tendency of graft or flap failure.
  • Requires general anesthetic   Anesthesia: general - overview  .

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Prognosis

  • If technically correct, the majority of even deep ulcers will heal with conjunctival flaps.
  • Scars will form at the ulcer site.

Further Reading

Publications

Refereed papers


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