A new acrylic tissue adhesive for conjunctival surgery: experimental study

Area of Science:

• Ophthalmology
• Biomaterials Science
• Surgical Innovation

Background:

• Conjunctival closure is crucial in ophthalmic surgery.
• Traditional methods like sutures can cause discomfort and complications.
• Novel biomaterials are being explored for improved wound healing and patient comfort.

Purpose of the Study:

• To compare the clinical efficacy and tolerance of ADAL-2, a new acrylic tissue adhesive, against 8/0 polyglactin sutures (Vicryl).
• To assess both clinical and histopathological outcomes in conjunctival surgery using these closure methods.

Main Methods:

• An experimental study was conducted on New Zealand albino rabbits.
• Conjunctival peritomy and flap creation were performed, followed by closure with either ADAL-2 or Vicryl sutures.
• Clinical and histopathological evaluations were performed at 1, 7, 28, and 42 days post-surgery.

Main Results:

• Both ADAL-2 and Vicryl sutures showed equal efficacy in securing the conjunctiva to the limbus.
• No significant differences in clinical or histopathological tolerance were observed between the adhesive and the sutures.
• Histopathology confirmed the absence of the acrylic adhesive by 28 days post-operation.

Conclusions:

• ADAL-2 serves as an effective and well-tolerated method for conjunctival closure in ophthalmic surgery.
• The adhesive exhibits similar sealing efficiency and tolerance profiles to traditional polyglactin sutures.
• ADAL-2 presents a promising alternative for surgical conjunctival sealing in ophthalmology.