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Developing a virtual Endoscopic Surgery Planning system to optimize surgical outcomes.

Bradley Hittle, Ahmad Odeh, Guillermo Maza

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    Summary
    This summary is machine-generated.

    Virtual surgery planning (VSP) software aids endoscopic sinus surgery by simulating airflow and tissue removal. This technology can optimize surgical outcomes for patients with nasal obstruction and olfactory dysfunction.

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    Area of Science:

    • Otolaryngology
    • Medical Technology
    • Computational Fluid Dynamics

    Background:

    • Predicting functional outcomes in endoscopic sinus surgery is challenging using only CT scans or endoscopy.
    • Objective assessment of nasal airflow and obstruction is crucial for optimizing surgical results.

    Purpose of the Study:

    • To develop and evaluate a virtual surgery planning (VSP) tool for endoscopic sinus surgery.
    • To assess the VSP tool's ability to predict functional outcomes, such as nasal airflow, and optimize surgical strategies.

    Main Methods:

    • A VSP tool was developed to load patient CT data, enabling virtual tissue removal with visual and haptic feedback.
    • The VSP tool calculates airflow resistance, wall shear stress, and pressure drop to identify obstructions.
    • Iterative virtual surgeries were performed to compute changes in nasal airflow until optimal results were achieved.

    Main Results:

    • A proof-of-concept case demonstrated VSP's utility in planning surgery for a patient with olfactory loss.
    • Virtual medial partial middle turbinectomy (PMT) showed superior outcomes compared to lateral PMT for improving air/odor flow to the olfactory fossa.
    • Septal body reduction was found to worsen air/odor flow to the olfactory fossa in this case.

    Conclusions:

    • Virtual surgery planning (VSP) shows potential as a valuable tool for preoperative planning in endoscopic sinus surgery.
    • Objective benchmarks provided by VSP can aid surgeons in optimizing surgical outcomes.
    • This case report highlights the potential of VSP to improve patient results, particularly in cases involving olfactory dysfunction.