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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 BMC+Musculoskelet+Disord
2025 ; 26
(1
): 992
Nephropedia Template TP
gab.com Text
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English Wikipedia
Use of robotics may facilitate earlier functional recovery and reduce
overcorrection compared to conventional implantation techniques in total knee
arthroplasty: a single-surgeon cohort study
#MMPMID41131523
Ghossein A
; Gatz M
; Dohmen A
; Hildebrand F
; Hofmann UK
BMC Musculoskelet Disord
2025[Oct]; 26
(1
): 992
PMID41131523
show ga
BACKGROUND: Total Knee Arthroplasty (TKA) is a highly successful procedure to
treat osteoarthritis. Yet a relevant number of patients complain about persisting
pain. In the present study, patient satisfaction, functional outcomes, and
radiological parameters were evaluated in a retrospective single-surgeon
analysis. Conventional implantation was compared with a robotic system that uses
computed tomography (CT)-based planning for haptically guided bone preparation
(MAKO/Stryker), hypothesizing that the use of robotics would lead to improved
early function and potentially different radiological alignment. METHODS: The
first 150 consecutive robotic-TKAs of one surgeon were compared with the manually
operated TKAs number 8000-8150 in a retrospective cohort study using the same
implanting philosophy and pre-, intra-, and postoperative conditions and
workflows with exception of the robotic-assisted component. Patients undergoing
primary TKA for osteoarthritis resistant to conservative treatment were included;
exclusion criteria were age?18 years, rheumatic disease, or complex
preoperative traumatic injury. Both groups shared the same implanting philosophy
and perioperative workflows, with exception of the robotic assistance. Key
outcomes included the Hospital for Special Surgery (HSS) score, functional
recovery milestones, and radiological parameters. RESULTS: Functionally, patients
in the robotic TKA groups reached 90° of knee flexion much earlier with a medium
of 5 (2-10) days postoperatively when compared to the manually operated group (8
[5-12] days (p?0.001). Pain at discharge was slightly higher in this group with
median NRS values of 2 (1-7) versus 1 (1-4) in the manually operated group
(p?0.001) with patients being discharged, however, three days earlier in the
robotic group. Interestingly, mechanical axis deviation showed a greater
variation in the robotic TKA group than in the manual TKA group with the median
being more in varus (-6 [-20-30] mm vs. -1 [-19-17] mm, p?0.001). One year
postoperatively, the HSS Score was marginally higher in the robotic group with
(73 (45-83) vs. 70 (58-70), p?0.001), however, still below the minimal
clinically important difference. CONCLUSION: The data from this study suggest
that patients operated with such a robotic system may be mobilized earlier and
also show less overcorrection compared to those operated by a conventional
technique. The long-term benefit remains, however, still unclear.