Unicompartmental Knee Arthroplasty

Berger, Richard A.; Nedeff, David D.; Barden, Regina M.; Sheinkop, Mitchell M.; Jacobs, Joshua J.; Rosenberg, Aaron G.; Galante, Jorge O.

doi:10.1097/00003086-199910000-00007

Cited by 177 publications

(37 citation statements)

References 23 publications

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“…Most authors reported that overcorrection of the varus deformity into valgus deformity is the usual cause for progression of arthritis in the contralateral compartment and recommend leaving the UKR knee in a few degrees of varus or neutral to avoid this [21–24, 40]. In the SKAR 2004 Report [34], approximately 25 % of the UKR revisions were for progression of arthritis.…”

Section: Discussionmentioning

confidence: 99%

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Mid-term results of Miller−Galante unicompartmental knee replacement for medial compartment knee osteoarthritis

Venkatesh

Maheswaran

2015

J Orthopaed Traumatol

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BackgroundThe purpose of this study is to analyse and report the mid-term results of 175 unicompartmental knee replacement (UKR) procedures performed for medial compartment knee arthritis from January 2001 to January 2010.Materials and methodsThe cohort participants were selected after stringent inclusion criteria and the average follow-up was 5.6 years (range 2–10 years). The fixed-bearing UKR procedure was carried out on all patients.ResultsThe pre-operative mean knee range of movement improved from 100° ± 11.3° to 118.3° ± 12° (p value <0.001). The pre-operative mean Knee Society (KS) knee and functional score improved from 47 ± 5.5 and 55.1 ± 4.6 to 91.8 ± 9.2 and 92 ± 10.1 (p value <0.001), respectively. The revision rate of the cohort was 4 % (seven knees) and implant survival rate was 96 % at the end of 10 years; 87 % of the cohort were satisfied with the procedure and had a normal gait pattern. In this study, there was no statistical difference between groups with a body mass index (BMI) ≤30 kg/m2 and those with a BMI ≥30 kg/m2, and between groups aged ≤55 years and those aged ≥55 years, in clinical and functional outcome following UKR.ConclusionThis study confirms that fixed-bearing UKR gives excellent results in patients with medial compartment knee arthritis who comply with the inclusion criteria. Age and BMI were not considered to influence the clinical and functional outcomes.Level of evidence-III.

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Section: Discussionmentioning

confidence: 99%

“…Studies have reported that TKR patients with a high BMI have inferior results compared to patients with a lower BMI [24–30]. Tabor et al [31] reported in a mean follow-up of 20 years in 82 patients that obese patients had higher survival than those who were not obese.…”

Section: Discussionmentioning

confidence: 99%

Mid-term results of Miller−Galante unicompartmental knee replacement for medial compartment knee osteoarthritis

Venkatesh

Maheswaran

2015

J Orthopaed Traumatol

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“…Änderungen von Material und Prothesendesign mit Weiterentwicklungen des Instrumentariums sowie klar definierte Operationsindika tionen erbringen inzwischen gute Langzeitergebnisse. Revisionsfreie Standzeiten von über 10 Jahren in mehr als 90% der Fälle werden beschrieben [1,3,4,6,9,13].…”

Section: Vorbemerkungenunclassified

“…Changes in material and prosthesis design with further developments in instruments as well as clearly defined indications for the operation have since provided good long-term results. Revision-free implantation times of more than 10 years have been described in more than 90% of cases [1,3,4,6,9,13].…”

Section: Introductory Remarksmentioning

confidence: 99%

Die minimalinvasive Implantation eines unikondylären Kniesystems

Buckup

2006

Orthop Traumatol

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28 Accuris unicondylar knee systems were implanted medially in 26 patients (14 women, twelve men) in minimally invasive technique from March 2003 to July 2004. One patient was not included in the evaluation because the operation was changed to a bicondylar surface replacement due to a deep-seated infection. The patients' average age at the time of the operation was 73.8 years. On average, the operation scar was 8.2 cm long. The average quantity of secretion in the Redon drain was 155 ml. The hemoglobin value fell from 13.3 to 12.3 g/dl. The total HSS (Hospital for Special Surgery) Score increased significantly from 55.5 (34-75) to 87.4 (71-95) points. In the follow-up examination, 21 unicondylar knee systems (77.8%) were evaluated as excellent and six (22.2%) as good.

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“…Unicompartmental knee arthroplasty (UKA) was introduced in the early 1970s and is nowadays widely used for the treatment of isolated compartmental osteoarthritis of the knee. [1][2][3] Currently UKA amounts to 10% of all cases of knee arthroplasty worldwide and is expected to increase to more than 20% in the near future. This surge in the UKA is mainly due to the increasing younger population with early arthritis, procedure with less morbidity, quicker return to activity, better kinematic perception than the total knee arthroplasty and also the technical advances like computer navigation and robotic assisted surgeries.…”

Section: Introductionmentioning

confidence: 99%