Abstract
Background
The treatment of proximal humeral fractures (PHF) is challenging. Recently, more restrictive displacement criteria have been introduced and the lack of treatment algorithms in the literature has been emphasized.
Purpose
The primary purpose of this study was to evaluate the epidemiology and treatment reality of PHF at a specialized level-1 trauma center according to current displacement criteria. The secondary aim was to assess whether a standardized treatment algorithm can be adhered to during daily clinical routine.
Methods
In all, 566 patients (71.4 % female; average age, 68.1 ± 15 years) with 569 PHF were included in this retrospective cohort study. All medical records and existing x‑rays as well as computed tomography scans were analyzed. Only fractures with ad latus displacement of max 0.5 cm and/or a humeral head angulation of less than 20º were classified as nondisplaced. Patients with displaced fractures were included for evaluation of a standardized treatment algorithm.
Results
The most common fracture type was a three-part fracture (39.9 %, n = 227); 70.9 % of fractures (389/569) were displaced and therefore treated operatively. The accordance between the final operative treatment that patients received and the recommended surgical treatment on the basis of the algorithm was 90.2 % (351/389).
Conclusion
In contrast to the rate of 15 % dislocated fractures reported by Charles Neer in 1970, more than 70 % of fractures were found to be displaced when more restrictive displacement criteria were applied. More than 90 % of displaced fractures were treated as recommended by the treatment algorithm. Fractures that fitted the least into the treatment scheme were more complex fractures of patients aged 60 years and older.
Zusammenfassung
Hintergrund
Die Behandlung proximaler Humerusfrakturen stellt eine Herausforderung dar. In den vergangenen Jahren wurden neue, striktere Dislokationskriterien eingeführt und das Fehlen von Therapiealgorithmen beklagt.
Ziel der Arbeit
Das primäre Ziel dieser Studie war es die Epidemiologie und Versorgungsrealität von proximalen Humerusfrakturen (PHF) an einem spezialisierten Level-1 Traumazentrum entsprechend neuer Dislokationskriterien zu evaluieren. Das sekundäre Ziel war es zu erfassen, ob ein Therapiealgorithmus im Versorgungsalltag eingehalten werden kann.
Material und Methoden
566 Patienten (71,4 % weiblich; Durchschnittsalter 68,1 ± 15 Jahre) mit 569 PHF wurden in diese retrospektive Studie eingeschlossen. Die Patientenakten, Röntgenbilder und CT Untersuchungen aller Patienten wurden analysiert. Frakturen mit ad-latus Dislokation von max. 0,5 cm und/oder Humeruskopfangulation von weniger als 20° wurden als undisloziert klassifiziert. Patienten mit dislozierten Frakturen wurden in die Auswertung des operativen Therapiealgorithmus eingeschlossen.
Ergebnisse
Der häufigste Frakturtyp war eine 3‑Segment Fraktur (39,9 %, n = 227). 70,9 % der Frakturen (389/569) waren disloziert und wurden operativ versorgt. Die durchgeführte operative Therapie stimmte in 90,2 % (351/389) mit der Empfehlung des Therapiealgorithmus überein.
Diskussion
Im Gegensatz zu 15 % dislozierter Frakturen entsprechend Charles Neer in 1970, waren bei Anwendung der aktuelleren Dislokationskriterien mehr als 70 % der PHF disloziert. Über 90 % der dislozierten PHF wurden entsprechend des empfohlenen Therapiealgorithmus behandelt. Bei komplexen Frakturen von über 60-jährigen Patienten wich die Behandlung am stärksten vom Therapiealgorithmus ab.
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The authors thank Dimitri S. Tahal for proofreading and language editing.
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H. Lill is consultant with Arthrex (Karlsfeld, Deutschland) and DePuy Synthes (Umkirch, Deutschland). J.C. Katthagen, S. Grabowski, M. Huber, G. Jensen, and C. Voigt state that there are no conflicts of interest.
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was IRB approved.
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Work performed at the Department of Orthopaedic and Trauma Surgery, DIAKOVERE Friederikenstift gGmbH.
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Katthagen, J.C., Grabowski, S., Huber, M. et al. Epidemiology and treatment reality of proximal humeral fractures at a level-1 trauma center. Obere Extremität 11, 112–118 (2016). https://doi.org/10.1007/s11678-016-0362-4
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DOI: https://doi.org/10.1007/s11678-016-0362-4