Zusammenfassung
Radiuskopffrakturen stellen die häufigste Frakturentität am Ellenbogen dar. Nichtdislozierte Frakturen werden konservativ, einfache dislozierte Frakturen operativ durch Reposition und Schraubenosteosynthese behandelt. Die Therapie der Mehrfragmentfrakturen ist Gegenstand der Diskussion. Bei Komplexverletzungen ist die Radiuskopfresektion obsolet, der Rekonstruktionsversuch mittels Osteosynthese durch hohe Komplikationsraten überschattet. Der endoprothetische Ersatz des Radiuskopfes stellt bei nicht oder nicht sinnvoll zu rekonstruierender Fraktur eine therapeutische Option mit guten funktionellen Ergebnissen dar. Durch das in der Regel niedrige Patientenalter und folglich hohe Aktivitätsniveau werden aber auch hohe Anforderungen gestellt. Unspezifisch allgemeine und spezifische prothesenassoziierte Komplikationen werden bei bis zu 40 % der Patienten beobachtet. Dieser Artikel soll typische Komplikationen nach primärer posttraumatischer Radiuskopfprothetik darstellen und Strategien zur Vermeidung aufzeigen.
Abstract
Radial head fractures are common injuries in elbow trauma. Non-displaced fractures are best treated conservatively. Simple but displaced fractures require anatomic reduction and fixation, typically using screws. The treatment course for complex fractures with multiple fragments is still being debated, as results are less predictable. Radial head resection is not advised if concomitant injuries of the coronoid process or the collateral ligaments with instability are present. Favorable outcomes following open reduction and fixation using plates were reported recently. However, complication rates are very high. Radial head replacement is a valuable tool in treating complex fractures of the radial head with predominantly good and excellent results. Patients who suffer radial head fractures are typically of a younger age, resulting in high functional demands. Certainly, unspecific and specific complications related to radial head arthroplasty were reported in up to 40 % of cases in an acute fracture setting. This article highlights common complications in radial head arthroplasty and aims to present strategies to avoid them.
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K. Schmidt-Horlohé, S. Buschbeck, D. Wincheringer, M. Weißenberger und R. Hoffmann geben an, dass kein Interessenkonflikt besteht.
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Schmidt-Horlohé, K., Buschbeck, S., Wincheringer, D. et al. Primäre posttraumatische Radiuskopfprothetik. Orthopäde 45, 853–860 (2016). https://doi.org/10.1007/s00132-016-3330-1
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DOI: https://doi.org/10.1007/s00132-016-3330-1