Use of a 3D virtual dynamic hip model to quantify the amount of osteoplasty required in femoroacetabular impingement patients

Compare required osteoplasty predicted by a 3D virtual dynamic hip model in femoroacetabular impingement patients to actual osteoplasty performed. Retrospective study on 20 consecutive FAI patients with a preoperative CT who underwent arthroscopy from October 2016 to September 2017. A 3D virtual dyn...

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Bibliographic Details
Published in:Clinical imaging 2021-01, Vol.69, p.293-300
Main Authors: Bagce, Hamid, Lynch, Thomas S., Wong, Tony T.
Format: Article
Language:English
Subjects:
3D dynamic model
Acetabulum
Acetabulum - diagnostic imaging
Acetabulum - surgery
Algorithms
Arthritis
Arthroscopy
Biomedical materials
Correlation
FAI
Femoracetabular Impingement - diagnostic imaging
Femoracetabular Impingement - surgery
Femur
Hip
Humans
Impingement
Medical imaging
Morphology
Osteoplasty
Patients
Range of motion
Range of Motion, Articular
Reproducibility of Results
Retrospective Studies
Surgery
Three dimensional models
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Summary:Compare required osteoplasty predicted by a 3D virtual dynamic hip model in femoroacetabular impingement patients to actual osteoplasty performed. Retrospective study on 20 consecutive FAI patients with a preoperative CT who underwent arthroscopy from October 2016 to September 2017. A 3D virtual dynamic hip model was created from the CT. The model displayed virtual osteoplasty depth required to restore physiologic range of motion on an osteoplasty map. Depths of virtual osteoplasty and actual osteoplasty at surgery were compared and correlated with alpha angle, lateral center edge angle, femoral version, and acetabular version. Actual femoroplasty depth correlated with alpha angle (r = 0.85, p ≤ 0.001) and actual acetabuloplasty depth correlated with lateral center edge angle (r = 0.83, p 
ISSN:0899-7071
1873-4499
DOI:10.1016/j.clinimag.2020.10.002