Bietet das NexGen LPS Flex mobile-Knieprothesensystem Vorteile gegenüber dem NexGen LPS?

Wohlrab, David; Ditl, J.; Herrschelmann, R.; Schietsch, U.; Hein, W.; Hube, Robert

doi:10.1055/s-2005-836828

Cited by 21 publications

(7 citation statements)

References 4 publications

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“…Concerning OXF scores, the literature reports a slightly worse [22] or comparable outcome compared to this study (21–24 for FB, 21–26 for MB after 1–4 years) [25] and concerning ROM, smaller flexion angles in 6 cases [22, 25, 29, 30, 33, 37] and higher ones in 9 cases [27, 28, 31, 32, 34, 36, 38, 40]. …”

Section: Discussionsupporting

confidence: 63%

“…Several randomized studies compared FB and MB TKA, with some comparing different grades of mobility within one implant family [25-29], and others different implants [30, 31]. Furthermore, bilateral comparisons were performed in both randomized [22, 32-36] or non-randomized studies [37-40].…”

Section: Discussionmentioning

confidence: 99%

“…Wohlrab et al . [29] showed a significantly better Hospital for Special Surgery Score (HSS) and less pain for the mobile design and also improved ROM in the MB patient group. However, the differences disappeared after three years.…”

Section: Discussionmentioning

confidence: 99%

“…However, it does allow to realistically evaluate the function of the artificial joint as it can be assumed that a potential difference in function will not grow with time between the two groups [29, 38]. In the follow-up over the next five years, we plan to assess anterior knee pain as a symptom of malfunction of the knee joint, since it has already been demonstrated that a posterior stabilized TKA with a mobile platform implant can lead to significantly less anterior knee pain than the fixed version [25].…”

Section: Discussionmentioning

confidence: 99%

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One Year After Navigated Total Knee Replacement, No Clinically Relevant Difference Found Between Fixed Bearing and Mobile Bearing Knee Replacement in a Double-Blind Randomized Controlled Trial

Lampe

Sufi-Siavach²,

Bohlen³

et al. 2011

TOORTHJ

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Background:The mobile bearing designs have not yet been shown to improve clinical outcome of total knee arthroplasty (TKA). In this prospective randomized study, we compared the short-term clinical results of a mobile bearing implant with those of the fixed bearing version of the same implant.Methods:We randomized 100 knees into two double-blind groups who received either the fixed (FB, 52 knees) or the mobile bearing (MB, 48 knees) version of the same implant. We used navigation to standardize the surgical technique. For up to one year, we recorded the Knee Society (KSS) and Oxford (OXF) scores. We performed an exploratory analysis of variance (ANOVA) to determine the influence of baseline scores as covariate and the extent of improvement in clinical outcome over time.Results:After one year, we did not detect any statistically significant difference between the two groups. The KSS scores differed by 2 points, the OXF scores by 1.1 points.Conclusion:Even with identical geometry of implant surfaces and a navigated surgical technique, first-year results do not support a preference for either a fixed or a mobile design.

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Section: Discussionsupporting

confidence: 63%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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One Year After Navigated Total Knee Replacement, No Clinically Relevant Difference Found Between Fixed Bearing and Mobile Bearing Knee Replacement in a Double-Blind Randomized Controlled Trial

Lampe

Sufi-Siavach²,

Bohlen³

et al. 2011

TOORTHJ

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“…Es ergaben sich statistisch signifikante Unterschiede zwischen beiden Gruppen im UCLA-Aktivitätsscore (p = 0,013), im Teil A (Kniescore) des KSS (p = 0,002) sowie im Gesamtscore (p = 0,012), bezüglich der VAS (p = 0,003) und im Lequesne-Score Knie (p = 0,024) jeweils zugunsten der NexGen-Prothese. [22]. Somit bieten beide Prothesensysteme eine Beweglichkeit, die deutlich über der geforderten Mindestbeugefähigkeit von 90°liegt und zeigen auch im Vergleich mit den Bewegungsumfängen anderer Studien [10,14,18,20,21] vergleichbare Ergebnisse.…”

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