Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis

This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Fan Yang [verfasserIn] Takuji Yokoe [verfasserIn] Koki Ouchi [verfasserIn] Takuya Tajima [verfasserIn] Etsuo Chosa [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	posterior cruciate ligament reconstruction killer turn posterior tibial slope tibial tunnel angle anterior opening wedge high tibial osteotomy finite element analysis

Übergeordnetes Werk:	In: Journal of Clinical Medicine - MDPI AG, 2013, 12(2023), 3, p 805
Übergeordnetes Werk:	volume:12 ; year:2023 ; number:3, p 805

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/jcm12030805

Katalog-ID:	DOAJ08062975X

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520			\|a This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography images of a healthy young Asian male. Using SolidWorks, PCL grafts and tibial bone tunnels at different tibial drilling angles (30°, 45°, 60°) were developed. Anterior opening wedge high tibial osteotomy (aOW-HTO) was performed to evaluate the influence of the PTS (+8°, +4°, native, −4°, −8°). An FEA was performed utilizing the ANSYS software program. In the same PTS model, the peak of the equivalent Von Mises stress in PCL grafts decreased as the angle of the TTA increased. In the same TTA model, the peak of the Von Mises in PCL grafts decreased as the PTS angle increased. The “high-contact stress area” (contact stress greater than 10 MPa) was diminished when the TTA and PTS were increased. aOW-HTO was used to steepen the PTS, and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. In conclusion, the study findings suggest that using aOW-HTO to steepen the PTS and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. The usefulness and safety of this surgical procedure need to be evaluated in future clinical studies.
650		4	\|a posterior cruciate ligament reconstruction
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allfields	10.3390/jcm12030805 doi (DE-627)DOAJ08062975X (DE-599)DOAJ31d2d487009b424e8947b36428f4fd1f DE-627 ger DE-627 rakwb eng Fan Yang verfasserin aut Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography images of a healthy young Asian male. Using SolidWorks, PCL grafts and tibial bone tunnels at different tibial drilling angles (30°, 45°, 60°) were developed. Anterior opening wedge high tibial osteotomy (aOW-HTO) was performed to evaluate the influence of the PTS (+8°, +4°, native, −4°, −8°). An FEA was performed utilizing the ANSYS software program. In the same PTS model, the peak of the equivalent Von Mises stress in PCL grafts decreased as the angle of the TTA increased. In the same TTA model, the peak of the Von Mises in PCL grafts decreased as the PTS angle increased. The “high-contact stress area” (contact stress greater than 10 MPa) was diminished when the TTA and PTS were increased. aOW-HTO was used to steepen the PTS, and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. In conclusion, the study findings suggest that using aOW-HTO to steepen the PTS and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. The usefulness and safety of this surgical procedure need to be evaluated in future clinical studies. posterior cruciate ligament reconstruction killer turn posterior tibial slope tibial tunnel angle anterior opening wedge high tibial osteotomy finite element analysis Medicine R Takuji Yokoe verfasserin aut Koki Ouchi verfasserin aut Takuya Tajima verfasserin aut Etsuo Chosa verfasserin aut In Journal of Clinical Medicine MDPI AG, 2013 12(2023), 3, p 805 (DE-627)718632478 (DE-600)2662592-1 20770383 nnns volume:12 year:2023 number:3, p 805 https://doi.org/10.3390/jcm12030805 kostenfrei https://doaj.org/article/31d2d487009b424e8947b36428f4fd1f kostenfrei https://www.mdpi.com/2077-0383/12/3/805 kostenfrei https://doaj.org/toc/2077-0383 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2023 3, p 805
spelling	10.3390/jcm12030805 doi (DE-627)DOAJ08062975X (DE-599)DOAJ31d2d487009b424e8947b36428f4fd1f DE-627 ger DE-627 rakwb eng Fan Yang verfasserin aut Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography images of a healthy young Asian male. Using SolidWorks, PCL grafts and tibial bone tunnels at different tibial drilling angles (30°, 45°, 60°) were developed. Anterior opening wedge high tibial osteotomy (aOW-HTO) was performed to evaluate the influence of the PTS (+8°, +4°, native, −4°, −8°). An FEA was performed utilizing the ANSYS software program. In the same PTS model, the peak of the equivalent Von Mises stress in PCL grafts decreased as the angle of the TTA increased. In the same TTA model, the peak of the Von Mises in PCL grafts decreased as the PTS angle increased. The “high-contact stress area” (contact stress greater than 10 MPa) was diminished when the TTA and PTS were increased. aOW-HTO was used to steepen the PTS, and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. In conclusion, the study findings suggest that using aOW-HTO to steepen the PTS and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. The usefulness and safety of this surgical procedure need to be evaluated in future clinical studies. posterior cruciate ligament reconstruction killer turn posterior tibial slope tibial tunnel angle anterior opening wedge high tibial osteotomy finite element analysis Medicine R Takuji Yokoe verfasserin aut Koki Ouchi verfasserin aut Takuya Tajima verfasserin aut Etsuo Chosa verfasserin aut In Journal of Clinical Medicine MDPI AG, 2013 12(2023), 3, p 805 (DE-627)718632478 (DE-600)2662592-1 20770383 nnns volume:12 year:2023 number:3, p 805 https://doi.org/10.3390/jcm12030805 kostenfrei https://doaj.org/article/31d2d487009b424e8947b36428f4fd1f kostenfrei https://www.mdpi.com/2077-0383/12/3/805 kostenfrei https://doaj.org/toc/2077-0383 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2023 3, p 805
allfields_unstemmed	10.3390/jcm12030805 doi (DE-627)DOAJ08062975X (DE-599)DOAJ31d2d487009b424e8947b36428f4fd1f DE-627 ger DE-627 rakwb eng Fan Yang verfasserin aut Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography images of a healthy young Asian male. Using SolidWorks, PCL grafts and tibial bone tunnels at different tibial drilling angles (30°, 45°, 60°) were developed. Anterior opening wedge high tibial osteotomy (aOW-HTO) was performed to evaluate the influence of the PTS (+8°, +4°, native, −4°, −8°). An FEA was performed utilizing the ANSYS software program. In the same PTS model, the peak of the equivalent Von Mises stress in PCL grafts decreased as the angle of the TTA increased. In the same TTA model, the peak of the Von Mises in PCL grafts decreased as the PTS angle increased. The “high-contact stress area” (contact stress greater than 10 MPa) was diminished when the TTA and PTS were increased. aOW-HTO was used to steepen the PTS, and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. In conclusion, the study findings suggest that using aOW-HTO to steepen the PTS and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. The usefulness and safety of this surgical procedure need to be evaluated in future clinical studies. posterior cruciate ligament reconstruction killer turn posterior tibial slope tibial tunnel angle anterior opening wedge high tibial osteotomy finite element analysis Medicine R Takuji Yokoe verfasserin aut Koki Ouchi verfasserin aut Takuya Tajima verfasserin aut Etsuo Chosa verfasserin aut In Journal of Clinical Medicine MDPI AG, 2013 12(2023), 3, p 805 (DE-627)718632478 (DE-600)2662592-1 20770383 nnns volume:12 year:2023 number:3, p 805 https://doi.org/10.3390/jcm12030805 kostenfrei https://doaj.org/article/31d2d487009b424e8947b36428f4fd1f kostenfrei https://www.mdpi.com/2077-0383/12/3/805 kostenfrei https://doaj.org/toc/2077-0383 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2023 3, p 805
allfieldsGer	10.3390/jcm12030805 doi (DE-627)DOAJ08062975X (DE-599)DOAJ31d2d487009b424e8947b36428f4fd1f DE-627 ger DE-627 rakwb eng Fan Yang verfasserin aut Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography images of a healthy young Asian male. Using SolidWorks, PCL grafts and tibial bone tunnels at different tibial drilling angles (30°, 45°, 60°) were developed. Anterior opening wedge high tibial osteotomy (aOW-HTO) was performed to evaluate the influence of the PTS (+8°, +4°, native, −4°, −8°). An FEA was performed utilizing the ANSYS software program. In the same PTS model, the peak of the equivalent Von Mises stress in PCL grafts decreased as the angle of the TTA increased. In the same TTA model, the peak of the Von Mises in PCL grafts decreased as the PTS angle increased. The “high-contact stress area” (contact stress greater than 10 MPa) was diminished when the TTA and PTS were increased. aOW-HTO was used to steepen the PTS, and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. In conclusion, the study findings suggest that using aOW-HTO to steepen the PTS and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. The usefulness and safety of this surgical procedure need to be evaluated in future clinical studies. posterior cruciate ligament reconstruction killer turn posterior tibial slope tibial tunnel angle anterior opening wedge high tibial osteotomy finite element analysis Medicine R Takuji Yokoe verfasserin aut Koki Ouchi verfasserin aut Takuya Tajima verfasserin aut Etsuo Chosa verfasserin aut In Journal of Clinical Medicine MDPI AG, 2013 12(2023), 3, p 805 (DE-627)718632478 (DE-600)2662592-1 20770383 nnns volume:12 year:2023 number:3, p 805 https://doi.org/10.3390/jcm12030805 kostenfrei https://doaj.org/article/31d2d487009b424e8947b36428f4fd1f kostenfrei https://www.mdpi.com/2077-0383/12/3/805 kostenfrei https://doaj.org/toc/2077-0383 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2023 3, p 805
allfieldsSound	10.3390/jcm12030805 doi (DE-627)DOAJ08062975X (DE-599)DOAJ31d2d487009b424e8947b36428f4fd1f DE-627 ger DE-627 rakwb eng Fan Yang verfasserin aut Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography images of a healthy young Asian male. Using SolidWorks, PCL grafts and tibial bone tunnels at different tibial drilling angles (30°, 45°, 60°) were developed. Anterior opening wedge high tibial osteotomy (aOW-HTO) was performed to evaluate the influence of the PTS (+8°, +4°, native, −4°, −8°). An FEA was performed utilizing the ANSYS software program. In the same PTS model, the peak of the equivalent Von Mises stress in PCL grafts decreased as the angle of the TTA increased. In the same TTA model, the peak of the Von Mises in PCL grafts decreased as the PTS angle increased. The “high-contact stress area” (contact stress greater than 10 MPa) was diminished when the TTA and PTS were increased. aOW-HTO was used to steepen the PTS, and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. In conclusion, the study findings suggest that using aOW-HTO to steepen the PTS and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. The usefulness and safety of this surgical procedure need to be evaluated in future clinical studies. posterior cruciate ligament reconstruction killer turn posterior tibial slope tibial tunnel angle anterior opening wedge high tibial osteotomy finite element analysis Medicine R Takuji Yokoe verfasserin aut Koki Ouchi verfasserin aut Takuya Tajima verfasserin aut Etsuo Chosa verfasserin aut In Journal of Clinical Medicine MDPI AG, 2013 12(2023), 3, p 805 (DE-627)718632478 (DE-600)2662592-1 20770383 nnns volume:12 year:2023 number:3, p 805 https://doi.org/10.3390/jcm12030805 kostenfrei https://doaj.org/article/31d2d487009b424e8947b36428f4fd1f kostenfrei https://www.mdpi.com/2077-0383/12/3/805 kostenfrei https://doaj.org/toc/2077-0383 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2023 3, p 805
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author	Fan Yang
spellingShingle	Fan Yang misc posterior cruciate ligament reconstruction misc killer turn misc posterior tibial slope misc tibial tunnel angle misc anterior opening wedge high tibial osteotomy misc finite element analysis misc Medicine misc R Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis
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topic_title	Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis posterior cruciate ligament reconstruction killer turn posterior tibial slope tibial tunnel angle anterior opening wedge high tibial osteotomy finite element analysis
topic	misc posterior cruciate ligament reconstruction misc killer turn misc posterior tibial slope misc tibial tunnel angle misc anterior opening wedge high tibial osteotomy misc finite element analysis misc Medicine misc R
topic_unstemmed	misc posterior cruciate ligament reconstruction misc killer turn misc posterior tibial slope misc tibial tunnel angle misc anterior opening wedge high tibial osteotomy misc finite element analysis misc Medicine misc R
topic_browse	misc posterior cruciate ligament reconstruction misc killer turn misc posterior tibial slope misc tibial tunnel angle misc anterior opening wedge high tibial osteotomy misc finite element analysis misc Medicine misc R
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title	Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis
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title_full	Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis
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author_browse	Fan Yang Takuji Yokoe Koki Ouchi Takuya Tajima Etsuo Chosa
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title_sort	influence of the tibial tunnel angle and posterior tibial slope on “killer turn” during posterior cruciate ligament reconstruction: a three-dimensional finite element analysis
title_auth	Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis
abstract	This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography images of a healthy young Asian male. Using SolidWorks, PCL grafts and tibial bone tunnels at different tibial drilling angles (30°, 45°, 60°) were developed. Anterior opening wedge high tibial osteotomy (aOW-HTO) was performed to evaluate the influence of the PTS (+8°, +4°, native, −4°, −8°). An FEA was performed utilizing the ANSYS software program. In the same PTS model, the peak of the equivalent Von Mises stress in PCL grafts decreased as the angle of the TTA increased. In the same TTA model, the peak of the Von Mises in PCL grafts decreased as the PTS angle increased. The “high-contact stress area” (contact stress greater than 10 MPa) was diminished when the TTA and PTS were increased. aOW-HTO was used to steepen the PTS, and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. In conclusion, the study findings suggest that using aOW-HTO to steepen the PTS and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. The usefulness and safety of this surgical procedure need to be evaluated in future clinical studies.
abstractGer	This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography images of a healthy young Asian male. Using SolidWorks, PCL grafts and tibial bone tunnels at different tibial drilling angles (30°, 45°, 60°) were developed. Anterior opening wedge high tibial osteotomy (aOW-HTO) was performed to evaluate the influence of the PTS (+8°, +4°, native, −4°, −8°). An FEA was performed utilizing the ANSYS software program. In the same PTS model, the peak of the equivalent Von Mises stress in PCL grafts decreased as the angle of the TTA increased. In the same TTA model, the peak of the Von Mises in PCL grafts decreased as the PTS angle increased. The “high-contact stress area” (contact stress greater than 10 MPa) was diminished when the TTA and PTS were increased. aOW-HTO was used to steepen the PTS, and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. In conclusion, the study findings suggest that using aOW-HTO to steepen the PTS and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. The usefulness and safety of this surgical procedure need to be evaluated in future clinical studies.
abstract_unstemmed	This study aimed to evaluate the influence of various posterior tibial slopes (PTSs) and tibial tunnel angles (TTAs) on “killer turn” in posterior cruciate ligament (PCL) reconstruction by using three-dimensional finite element analysis (FEA). The study models were created using computed tomography images of a healthy young Asian male. Using SolidWorks, PCL grafts and tibial bone tunnels at different tibial drilling angles (30°, 45°, 60°) were developed. Anterior opening wedge high tibial osteotomy (aOW-HTO) was performed to evaluate the influence of the PTS (+8°, +4°, native, −4°, −8°). An FEA was performed utilizing the ANSYS software program. In the same PTS model, the peak of the equivalent Von Mises stress in PCL grafts decreased as the angle of the TTA increased. In the same TTA model, the peak of the Von Mises in PCL grafts decreased as the PTS angle increased. The “high-contact stress area” (contact stress greater than 10 MPa) was diminished when the TTA and PTS were increased. aOW-HTO was used to steepen the PTS, and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. In conclusion, the study findings suggest that using aOW-HTO to steepen the PTS and a larger TTA may reduce the stress at the “killer turn” during PCL reconstruction. The usefulness and safety of this surgical procedure need to be evaluated in future clinical studies.
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title_short	Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis
url	https://doi.org/10.3390/jcm12030805 https://doaj.org/article/31d2d487009b424e8947b36428f4fd1f https://www.mdpi.com/2077-0383/12/3/805 https://doaj.org/toc/2077-0383
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up_date	2024-07-03T15:42:16.059Z
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Influence of the Tibial Tunnel Angle and Posterior Tibial Slope on “Killer Turn” during Posterior Cruciate Ligament Reconstruction: A Three-Dimensional Finite Element Analysis

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