Using preoperative planning software to assess the effect of head length on prosthetic range of motion in a high-risk population: a three-dimensional modeling study

Eslam Pour, Aidin; Tung, Wei Shao; Donnelley, Claire A.; Tommasini, Steven M.; Wiznia, Daniel

doi:10.1007/s00264-024-06191-8

International Orthopaedics (SICOT)

2024

DOI: 10.1007/s00264-024-06191-8

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Using preoperative planning software to assess the effect of head length on prosthetic range of motion in a high-risk population: a three-dimensional modeling study

Aidin Eslam Pour,

Wei Shao Tung,

Claire A. Donnelley

et al.

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Does two dimensional templating allow for the use of reduced-size ancillaries in total hip arthroplasty?

Heliere,

David,

Cypel

et al. 2024

International Orthopaedics (SICOT)

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Purpose Rising costs in healthcare for total hip arthroplasty (THA) mean that new solutions must be considered, such as the use of single-use ancillaries (SUA). The goal of this study was to assess the accuracy of 2D templating in primary THA for the use of reduced-size SUA. Our hypothesis was that the accuracy of 2D templating in primary THA would be higher than 95%, give or take two sizes. Method This single-centre prospective study included all primary THAs performed over two years. Templating was carried out using 2D templating on anteroposterior pelvic X-rays. The template sizes were compared to the implant sizes. The primary endpoint was the rate of coincidence between digitally templated estimates and the actual implant sizes. The secondary endpoint was the difference of accuracy based on patient parameters. Results We analysed 512 cases of THA. Accuracy within two sizes was 96.9% for acetabular implants and 98.5% for femoral implants. Accuracy was below the 95% threshold only in patients under 55 and over 85 years old. A BMI above 30.0 kg/m2 significantly reduced accuracy but did not fall below the 95% threshold. The operated hip, the type of implant, and the operative indication did not significantly influence templating accuracy. Conclusion Using reduced-size SUA with five rasps and five reamers depending on template sizes means that THA can be performed in more than 95% of cases allowing the use of compact single use ancillaries.

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Does two dimensional templating allow for the use of reduced-size ancillaries in total hip arthroplasty?

Heliere,

David,

Cypel

et al. 2024

International Orthopaedics (SICOT)

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show abstract

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Using preoperative planning software to assess the effect of head length on prosthetic range of motion in a high-risk population: a three-dimensional modeling study

Cited by 1 publication

References 23 publications

Does two dimensional templating allow for the use of reduced-size ancillaries in total hip arthroplasty?

Does two dimensional templating allow for the use of reduced-size ancillaries in total hip arthroplasty?

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