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Knee Surgery, Sports Traumatology, Arthroscopy

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01-08-2016 | Knee

What are the important manoeuvres for beginners to minimize surgical time in primary total knee arthroplasty?

Authors: Kengo Harato, Shinichi Maeno, Hidenori Tanikawa, Kazuya Kaneda, Yutaro Morishige, So Nomoto, Yasuo Niki

Published in: Knee Surgery, Sports Traumatology, Arthroscopy | Issue 8/2016

Abstract

Purpose

It was hypothesized that surgical time of beginners would be much longer than that of experts. Our purpose was to investigate and clarify the important manoeuvres for beginners to minimize surgical time in primary total knee arthroplasty (TKA) as a multicentre study.

Methods

A total of 300 knees in 248 patients (averaged 74.6 years) were enrolled. All TKAs were done using the same instruments and the same measured resection technique at 14 facilities by 25 orthopaedic surgeons. Surgeons were divided into three surgeon groups (four experts, nine medium-volume surgeons and 12 beginners). The surgical technique was divided into five phases. Detailed surgical time and ratio of the time in each phase to overall surgical time were recorded and compared among the groups in each phase. A total of 62, 119, and 119 TKAs were done by beginners, medium-volume surgeons, and experts, respectively.

Results

Significant differences in surgical time among the groups were seen in each phase. Concerning the ratio of the time, experts and medium-volume surgeons seemed cautious in fixation of the permanent component compared to other phases. Interestingly, even in ratio, beginners and medium-volume surgeons took more time in exposure of soft tissue compared to experts. (0.14 in beginners, 0.13 in medium-volume surgeons, 0.11 in experts, P < 0.05).

Conclusion

Beginners took more time in exposure and closure of soft tissue compared to experts. Improvement in basic technique is essential to minimize surgical time among beginners. First of all, surgical instructors should teach basic techniques in primary TKA for beginners.

Level of evidence

Therapeutic studies, Level IV.

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Title: What are the important manoeuvres for beginners to minimize surgical time in primary total knee arthroplasty?
Authors: Kengo Harato
Shinichi Maeno
Hidenori Tanikawa
Kazuya Kaneda
Yutaro Morishige
So Nomoto
Yasuo Niki
Publication date: 01-08-2016
Publisher: Springer Berlin Heidelberg
Published in: Knee Surgery, Sports Traumatology, Arthroscopy / Issue 8/2016
Print ISSN: 0942-2056
Electronic ISSN: 1433-7347
DOI: https://doi.org/10.1007/s00167-015-3554-3

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What are the important manoeuvres for beginners to minimize surgical time in primary total knee arthroplasty?

Abstract

Purpose

Methods

Results

Conclusion

Level of evidence

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

Level of evidence

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