Comparison of two pressurisers for cementation of the proximal femur

Morishima, Takkan, Choy, Godwin, Crawford, Ross, & Wilson, Lance (2014) Comparison of two pressurisers for cementation of the proximal femur. Journal of Orthopaedic Surgery, 22(2), pp. 163-167.

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Abstract

PURPOSE:

To compare pressures generated by 2 different cement pressurisers at various locations in the proximal femur.

METHODS:

Two groups of 5 synthetic femurs were used, and 6 pressure sensors were placed in the femur at 20-mm intervals proximally to distally. Cement was filled into the femoral canal retrogradely using a cement gun with either the half-moon pressuriser or the femoral canal pressuriser. Maximum pressures and pressure time integrals (cumulative pressure over time) of the 2 pressurisers were compared.

RESULTS:

At all sensors, the half-moon pressuriser produced higher maximum pressures and pressure time integrals than the femoral canal pressuriser, but the difference was significant only at sensor 1 (proximal femur). This may result in reduced cement interdigitation in the proximal femur.

CONCLUSION:

The half-moon pressuriser produced higher maximum cementation pressures and pressure time integrals than the femoral canal pressuriser in the proximal femur region, which is critical for rotational stability of the implant and prevention of implant fracture.

KEYWORDS:

arthroplasty, replacement, hip; bone cements; femur

Impact and interest:

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ID Code: 88463
Item Type: Journal Article
Refereed: Yes
ISSN: 1022-5536
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Contact the authors
Deposited On: 07 Oct 2015 03:39
Last Modified: 07 Oct 2015 03:42

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