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An objective technique to calculate dermis-fat graft volume
1Orbit, Oculoplasty, Reconstructive, and Aesthetic Services, Medical Research Foundation, Sankara Nethralaya, Chennai, Tamil Nadu, India.
Indian Journal of Ophthalmology
|August 24, 2021
Summary
This study introduces a simple water displacement method to accurately measure dermis-fat graft (DFG) volumes for anophthalmic socket reconstruction. This technique ensures optimal volume replacement and patient satisfaction with cosmetic outcomes.
Area of Science:
- Ophthalmology
- Plastic Surgery
- Biomedical Engineering
Background:
- Anophthalmic socket reconstruction often requires precise volume replacement.
- Dermis-fat grafts (DFG) are commonly used, but accurate volume measurement can be challenging.
Purpose of the Study:
- To describe and validate an objective method for measuring the volume of dermis-fat grafts (DFG) used in anophthalmic socket reconstruction.
- To assess the efficacy and patient satisfaction with DFG implants measured by this method.
Main Methods:
- A retrospective review of 10 patients undergoing DFG for anophthalmic socket reconstruction.
- Pre-operative determination of required graft volume based on spherical implant size.
- Objective measurement of DFG implant volume using the water displacement method (Archimedes principle).
Main Results:
- The water displacement method provided an objective measure of DFG volume.
- All 10 patients reported satisfaction with the final cosmetic outcome.
- Follow-up ranged from 6 to 18 months, demonstrating sustained results.
Conclusions:
- The water displacement method is a simple, objective, and effective technique for determining autologous DFG volume for anophthalmic socket reconstruction.
- This method aids in achieving satisfactory cosmetic results and volume replacement.
