Optimal Pullout Resistance Is Achieved When Bone Screws Are Inserted At 65 To 75% Of The Stripping Torque

James Fletcher, Alisdair MacLeod, Katarzyna Polak-Kraśna, Sean Williams, Michael Whitehouse, Harinderjit Gill, Ezio Preatoni

Research output: Contribution to conferenceAbstract

Abstract

Surgeons use their subjective assessment to determine how much screws should be tightened. However, it is unknown what stopping torque generates the optimum fixation as determined by screw compression and pullout strength. Further to this, screws are frequently over-tightened leading to bone stripping and fixation failures; these are associated with increased morbidity and mortality. As screw fixation failure is commoni, and predicting stripping torque can be difficult, identifying the limits and optimum zone for screw tightness should reduce failures thus generating significant health and economic benefits.
Original languageEnglish
Number of pages1
Publication statusAccepted/In press - 17 Nov 2017
EventOrthopaedic Research Society Annual Meeting - Hyatt Regency New Orleans , New Orleans, USA United States
Duration: 10 Mar 201813 Mar 2018
https://www.ors.org/2018annualmeeting/

Conference

ConferenceOrthopaedic Research Society Annual Meeting
Abbreviated titleORS 2018
CountryUSA United States
CityNew Orleans
Period10/03/1813/03/18
Internet address

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Bone
Torque
Health
Economics

Cite this

Fletcher, J., MacLeod, A., Polak-Kraśna, K., Williams, S., Whitehouse, M., Gill, H., & Preatoni, E. (Accepted/In press). Optimal Pullout Resistance Is Achieved When Bone Screws Are Inserted At 65 To 75% Of The Stripping Torque. Abstract from Orthopaedic Research Society Annual Meeting, New Orleans, USA United States.

Optimal Pullout Resistance Is Achieved When Bone Screws Are Inserted At 65 To 75% Of The Stripping Torque. / Fletcher, James; MacLeod, Alisdair; Polak-Kraśna, Katarzyna; Williams, Sean; Whitehouse, Michael; Gill, Harinderjit; Preatoni, Ezio.

2017. Abstract from Orthopaedic Research Society Annual Meeting, New Orleans, USA United States.

Research output: Contribution to conferenceAbstract

Fletcher, J, MacLeod, A, Polak-Kraśna, K, Williams, S, Whitehouse, M, Gill, H & Preatoni, E 2017, 'Optimal Pullout Resistance Is Achieved When Bone Screws Are Inserted At 65 To 75% Of The Stripping Torque' Orthopaedic Research Society Annual Meeting, New Orleans, USA United States, 10/03/18 - 13/03/18, .
Fletcher J, MacLeod A, Polak-Kraśna K, Williams S, Whitehouse M, Gill H et al. Optimal Pullout Resistance Is Achieved When Bone Screws Are Inserted At 65 To 75% Of The Stripping Torque. 2017. Abstract from Orthopaedic Research Society Annual Meeting, New Orleans, USA United States.
Fletcher, James ; MacLeod, Alisdair ; Polak-Kraśna, Katarzyna ; Williams, Sean ; Whitehouse, Michael ; Gill, Harinderjit ; Preatoni, Ezio. / Optimal Pullout Resistance Is Achieved When Bone Screws Are Inserted At 65 To 75% Of The Stripping Torque. Abstract from Orthopaedic Research Society Annual Meeting, New Orleans, USA United States.1 p.
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AU - Whitehouse, Michael

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AB - Surgeons use their subjective assessment to determine how much screws should be tightened. However, it is unknown what stopping torque generates the optimum fixation as determined by screw compression and pullout strength. Further to this, screws are frequently over-tightened leading to bone stripping and fixation failures; these are associated with increased morbidity and mortality. As screw fixation failure is commoni, and predicting stripping torque can be difficult, identifying the limits and optimum zone for screw tightness should reduce failures thus generating significant health and economic benefits.

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