Short-term functional advantages after medial unicompartmental versus total knee arthroplasty

The Knee
Bernd FriesenbichlerNicola A Maffiuletti

Abstract

There are many uncertainties about the advantages and disadvantages of using unicompartmental (UKA) versus total knee arthroplasty (TKA) to treat patients with knee osteoarthritis. It is important to have sufficient early postoperative quadriceps strength for long-term, self-reported and gait-related outcomes after knee arthroplasty, but very limited comparative data exist regarding UKA and TKA patients. This study assessed isometric quadriceps strength, spatio-temporal gait parameters (walking speed, step length, single-limb support phase) and self-reported outcomes (pain, function, stiffness) in 18 TKA and 18 UKA patients six months after surgery, as well as in 18 healthy controls. Quadriceps strength of TKA, but not of UKA patients, was lower than that of controls (P < 0.05). UKA patients demonstrated better gait function in terms of a longer single-limb support phase than TKA patients (P < 0.01), which agreed with better self-reported pain (P < 0.05), function (P < 0.01) and stiffness (P < 0.05) scores compared to TKA patients. Six months after surgery, UKA patients showed better short-term quadriceps strength and gait function compared to TKA patients, together with less self-reported knee pain and stiffness. Patients elig...Continue Reading

Citations

Nov 27, 2019·The Journal of Bone and Joint Surgery. American Volume·Michael J Taunton
Aug 25, 2020·The Journal of Knee Surgery·Michael D KavanaghGlenn D Wera
Sep 3, 2020·Journal of Orthopaedics and Traumatology : Official Journal of the Italian Society of Orthopaedics and Traumatology·Anurag MittalTae Kyun Kim
Sep 15, 2020·The Journal of Arthroplasty·William M CregarTad L Gerlinger
Jan 9, 2021·Knee Surgery & Related Research·Tae Kyun KimSang Min Choi
Apr 6, 2021·Journal of Physical Therapy Science·Hideyuki ItoShigehiro Uchida
Jul 2, 2021·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Anurag MittalTae Kyun Kim

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