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A comparative analysis of piezosurgery and oscillating saw for balanced orbital decompression
Kerstin Stähr1, Anja Eckstein2, Laura Holtmann1
1Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Essen , Essen , Germany.
Orbit (Amsterdam, Netherlands)
|December 5, 2018
Summary
Piezosurgery offers superior cutting properties for orbital decompression in Graves
Area of Science:
- Ophthalmology
- Neurosurgery
- Surgical Technology
Background:
- Graves' orbitopathy (GO) necessitates surgical intervention for proptosis reduction and optic nerve decompression.
- Minimally invasive surgical approaches to the orbit enable individualized bone resection.
Purpose of the Study:
- To compare the efficacy and safety of piezosurgery versus an oscillating saw for lateral orbital wall bone resection in GO patients.
Main Methods:
- Retrospective analysis of 174 patients (318 cases) undergoing balanced orbital decompression for GO.
- Comparison between oscillating saw (165 cases) and piezosurgery (153 cases) groups.
- Evaluation of peri- and postoperative complications, proptosis reduction, new-onset diplopia, and visual acuity improvement.
Main Results:
- No significant differences in overall surgical outcomes between the piezosurgery and oscillating saw groups.
- Comparable proptosis reduction: 4.6 mm (saw) vs. 5.3 mm (piezo).
- Piezosurgery demonstrated superior intraoperative handling, with better soft tissue conservation and cutting properties.
Conclusions:
- Piezosurgery is a more suitable technique for orbital decompression compared to oscillating saws.
- Advantages of piezosurgery include superior cutting properties, reduced soft tissue damage, and thinner cutting grooves.
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