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Accuracy of preoperative computer imaging in rhinoplasty
Umang Mehta1, Kashif Mazhar, Andrew S Frankel
1Mehta Plastic Surgery, Atherton Plastic Surgery Center, Atherton, California, USA.
Archives of Facial Plastic Surgery
|November 17, 2010
Summary
Preoperative computer imaging (PCI) offers moderate accuracy for rhinoplasty outcomes. While useful for patient consultations, supratip edema can affect 6-month results, especially in complex cases.
Area of Science:
- Plastic Surgery
- Medical Imaging
- Facial Aesthetics
Background:
- Preoperative computer imaging (PCI) is increasingly used in rhinoplasty.
- Its accuracy in predicting actual surgical results requires objective evaluation.
Purpose of the Study:
- To quantitatively assess the accuracy of preoperative computer imaging (PCI) in reflecting postoperative rhinoplasty results.
- To compare PCI accuracy between primary and revision rhinoplasty procedures.
Main Methods:
- Thirty-eight patients undergoing rhinoplasty had their postoperative photos compared to "morphed" PCI images.
- Two panels (surgeons and non-surgeons) rated 12 parameters on a 5-point Likert scale.
- Patient satisfaction surveys were correlated with PCI accuracy.
Main Results:
- Overall PCI accuracy was moderate (mean 2.98 by expert panel).
- Upper third measurements were most accurate; supratip height was least accurate.
- Accuracy was similar in primary and revision cases, but lower in more difficult cases. Satisfied patients showed higher PCI accuracy.
Conclusions:
- Preoperative computer imaging is a valuable tool for patient consultations in rhinoplasty.
- PCI demonstrates moderate accuracy for both primary and revision rhinoplasty at 6 months.
- Supratip edema is a factor limiting accuracy in the long term.
