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Repeatability of inertial measurement units for measuring pelvic mobility in patients undergoing total hip arthroplasty
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Vayalapra, Sushanth, Wang, Xueyang, Qureshi, Arham, Vepa, Abhinav, Rahman, Usama, Palit, Arnab, Williams, M. A., King, Richard and Elliott, Mark T. (2022) Repeatability of inertial measurement units for measuring pelvic mobility in patients undergoing total hip arthroplasty. Sensors, 23 (1). 377. doi:10.3390/s23010377 ISSN 1424-8220.
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WRAP-repeatability-inertial-measurement-units-measuring-pelvic-mobility-patients-undergoing-total-hip-arthroplasty-2022.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (1374Kb) | Preview |
Official URL: https://doi.org/10.3390/s23010377
Abstract
Consideration of pelvic mobility when positioning implants for total hip arthroplasty (THA) has been shown to reduce the risk of complications such as dislocation, squeaking and excessive wear. We aim to test the repeatability of pelvic tilt measurements taken between three positions (standing, flexed-seated and step-up) by an inertial measurement unit (IMU) and hence, evaluate their reliability in screening for high pelvic mobility in patients undergoing THA. The repeated IMU measurements of pelvic tilt were analysed for consistency and compared with measures taken by x-ray analysis. Our study showed greater variation in measures taken by the IMU particularly in the flexed-seated position. The patient’s pelvic tilt in this position negatively correlated with their mid-back angle, suggesting the posture of the patient is a source of variation in the flexed-seated position if not kept consistent during assessments. IMUs were overall able to produce accurate and reliable measurements of pelvic tilt; however, protocols will need to be adjusted to factor in a patient’s mid-back angle when taking future readings.
| Item Type: | Journal Article | |||||||||
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| Subjects: | R Medicine > RD Surgery | |||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
| SWORD Depositor: | Library Publications Router | |||||||||
| Library of Congress Subject Headings (LCSH): | Total hip replacement, Total hip replacement -- Complications , Outcome assessment (Medical care), Hip joint -- Surgery | |||||||||
| Journal or Publication Title: | Sensors | |||||||||
| Publisher: | MDPI | |||||||||
| ISSN: | 1424-8220 | |||||||||
| Official Date: | 29 December 2022 | |||||||||
| Dates: |
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| Volume: | 23 | |||||||||
| Number: | 1 | |||||||||
| Article Number: | 377 | |||||||||
| DOI: | 10.3390/s23010377 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||
| Date of first compliant deposit: | 5 January 2023 | |||||||||
| Date of first compliant Open Access: | 5 January 2023 | |||||||||
| RIOXX Funder/Project Grant: |
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