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Ein einfacher Klavikulascore

Bewertungssystem zur Beurteilung der Behandlungsergebnisse nach Frakturen des mittleren Klavikuladrittels bei Erwachsenen

A simple clavicle score

An effective and reliable classification for outcome assessments of midclavicular fractures

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Zusammenfassung

Hintergrund

Das Ziel dieser Arbeit bestand in der Erstellung eines Scores zur Beurteilung der Behandlungsergebnisse von Frakturen des mittleren Klavikuladrittels. Hierzu wurden 172 Patienten im Mittel 15 Monate nach dem Unfallereignis untersucht. Als Kontrollgruppe dienten 45 gesunde Probanden.

Methode

Der sog. „Klavikulascore“ basiert auf einem System aus 3 Partneritems plus der Beurteilung des Röntgenbildes. Als Partneritems wurden die Elemente mit den signifikantesten Mittelwertveränderungen bezogen auf die Einteilung der objektiven Partner ermittelt. Scorewertbeurteilungsgrenzen (sehr gut, gut, mäßig, schlecht) wurden festgelegt. Zur Validierung des Bewertungssystems wurde eine lineare Regressionsanalyse bezogen auf 2 etablierte Bewertungssysteme (Constant-Score/DASH-Score) durchgeführt.

Ergebnisse

Mit einem Korrelationskoeffizienten R=0,756 (Constant) und R=0,687 (DASH) wurde gezeigt, dass die Aussagen valide sind. Zur Prüfung der Reliabilität wurde der Reliabilitätskoeffizient Cronbach’s α gebildet, der mit einem Wert von 0,8241 eine hohe Reliabilität zeigt.

Schlussfolgerung

Der Klavikulascore ist ein wenig aufwendiges, valides und reliables Instrument zur Beurteilung der Behandlungsergebnisse nach Frakturen des mittleren Klavikuladrittels.

Abstract

Background

To compile an evaluation system (score) for post-treatment outcomes of midclavicular fractures, 172 patients were studied on average 15 months post-injury. As a control group 45 healthy volunteers were examined. The most relevant elements were filtered out for use in a new classification system, the Clavicle Score (CS).

Methods

The CS is based on a system of three partnered objective/subjective items as well as radiographic assessment of fracture healing. For the partnered items, subjective responses with the most significant correlation to the specific objective parameters were selected. Total score cutoff values (very good, good, moderate, poor) were established to keep interpretation simple. To validate the system, linear regression analysis was performed comparing the CS to two established assessment systems (Constant Score and the DASH Score).

Ergebnisse

The correlation coefficients R=0.756 (Constant) and R=0.687 indicated that the conclusions were comparable and therefore valid. The reliability coefficient Cronbach’s alpha was calculated at 0.8241, indicating high reliability.

Conclusion

The CS is a simple, valid and reliable instrument to assess outcomes post-midclavicular fracture.

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Authors and Affiliations

  1. Abteilung für Unfall- und Wiederherstellungschirurgie, Eduardus-Krankenhaus Köln, Custodisstraße 3–17, 50967, Köln, Deutschland

    A. Jubel

  2. Klinik für Unfall-, Hand- und Wiederherstellungschirurgie , Universität zu Köln, Köln, Deutschland

    G. Weißhaar, C. Faymonville & G. Schiffer

  3. Abteilung für Unfallchirurgie, Kreiskrankenhaus Mechernich, Mechernich, Deutschland

    J. Andermahr

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  1. A. Jubel
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  2. G. Weißhaar
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  3. C. Faymonville
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  4. J. Andermahr
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  5. G. Schiffer
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Correspondence to A. Jubel.

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Jubel, A., Weißhaar, G., Faymonville, C. et al. Ein einfacher Klavikulascore. Unfallchirurg 115, 1085–1091 (2012). https://doi.org/10.1007/s00113-011-1997-7

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  • DOI: https://doi.org/10.1007/s00113-011-1997-7

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