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Erschienen in:

05.08.2023 | Original Paper

Minimally invasive small incision surgical technique for unicompartmental knee arthroplasty

verfasst von: Juncheng Ge, Philippe Hernigou, Wanshou Guo, Nianfei Zhang, Changquan Liu, Qidong Zhang

Erschienen in: International Orthopaedics | Ausgabe 11/2023

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Abstract

Purpose

It is always a challenge for orthopaedic surgeons to minimise surgical incisions while ensuring excellent surgical results. We propose the minimally invasive small incision (MISI) technique and an extramedullary positioning technique in the unicompartmental knee arthroplasty (UKA) surgery. This study aimed to clarify the early postoperative clinical outcomes and component alignment between MISI and conventional minimally invasive surgical (MIS) techniques.

Methods

We prospectively enrolled 60 patients who underwent MISI-UKA and 60 patients who underwent MIS-UKA as controls. Clinical parameters include the time of straight leg raising, postoperative walking time with walker assistance, hospital stay, Numerical Rating Scale (NRS) pain score and Knee Society Score (KSS). The postoperative components and lower extremity alignment were compared between the two groups with radiographic image measurement.

Results

The MISI group obtained a smaller incision during knee extension (P < 0.001) but a longer tourniquet usage time than the MIS group. The MISI group lost less blood (P < 0.001). The MISI group achieved straight leg raising and walking with aid earlier after surgery, with a shorter hospital stay than the MIS group (P < 0.001). Range of motion (ROM), NRS and KSS scores revealed no significant difference between the two groups in six months postoperative follow-up (P > 0.05). Radiographic measurement results between the two groups revealed no statistical difference (P > 0.05)

Conclusion

The MISI-UKA could achieve faster earlier recovery after surgery and shorter hospital stays without compromising the principles of proper prosthesis position and limb alignment compared with the conventional MIS-UKA.
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Metadaten
Titel
Minimally invasive small incision surgical technique for unicompartmental knee arthroplasty
verfasst von
Juncheng Ge
Philippe Hernigou
Wanshou Guo
Nianfei Zhang
Changquan Liu
Qidong Zhang
Publikationsdatum
05.08.2023
Verlag
Springer Berlin Heidelberg
Erschienen in
International Orthopaedics / Ausgabe 11/2023
Print ISSN: 0341-2695
Elektronische ISSN: 1432-5195
DOI
https://doi.org/10.1007/s00264-023-05908-5

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