Zusammenfassung
Hintergrund
Zur operativen Versorgung dorsal dislozierter Tibiakopffrakturen und Avulsionen des hinteren Kreuzbandes (HKB) nutzen wir den posterozentralen Zugang ohne die Ablösung oder die muskuläre Spaltung der Gastrocnemiusköpfe. Ziel der Studie war es diesen Zugang zu evaluieren.
Patienten und Methoden
Von 2001–2012 wurde an 33 Patienten der posterozentrale Zugang zum dorsalen Kniegelenk durchgeführt. 22 Patienten hatten eine Tibiakopffraktur, 11 eine Avulsion des HKB. Frakturtyp, Komplikationen, Erfahrung des Operateurs, Ausheilung, Implantatlage und -irritationen, Nervenläsionen, Sensibilitätsstörungen, Narbe und Bewegungsausmaß wurden erfasst.
Ergebnisse
Je 1 Patient wies Parästhesien im Narbenbereich, am distalen lateralen Fußrand und am dorsolateralen Unterschenkel auf. Trotz zweier ventraler Platteninfekte fand sich kein Infekt des dorsalen Implantats. Alle Narben waren reizlos, Narbenkontrakturen nicht vorhanden. In 3 Fällen waren an der Tibiavorderkante Schraubenspitzen tastbar, ohne dass dies die Patienten störte.
Schlussfolgerung
Der posterozentrale Zugang ist ein komplikationsarmer Zugang in der Hand des erfahrenen Operateurs. Die gute Weichteilbedeckung scheint Infekte zu verhindern.
Abstract
Background
For surgical treatment of posterior shearing tibial plateau fractures and avulsion fractures of the posterior cruciate ligament (PCL) a posterocentral approach without dissection or separation of the heads of the gastrocnemius muscle is used. The aim of this study was an evaluation of this approach.
Patients and methods
From 2001-2012 a total of 33 patients were surgically treated using a posterocentral approach to the dorsal knee joint. Of these patients 22 had a posterior shearing tibial plateau fracture and 11 had an avulsion fracture of the PCL. The fracture type, complications, expertise of the surgeon, fracture healing, implant position and irritation, nerve lesions, scar tissue and range of motion were documented.
Results
Hypesthesia around the scar, at the lateral foot and lower lateral leg were observed in one each of three patients. Despite two ventral implant infections no infection of the dorsal implant occurred. All scar tissue was without pathological findings and scar contracture was not observed. In three cases the screw tips at the anterior proximal tibia were palpable but without complaints from the patients.
Conclusions
The posterocentral approach showed a low complication rate in the hands of experienced surgeons. The soft tissue cover seems to prevent implant infections.
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Muhm, M., Schneider, P., Ruffing, T. et al. Posterozentraler Zugang zum dorsalen Tibiakopf. Unfallchirurg 117, 813–821 (2014). https://doi.org/10.1007/s00113-013-2418-x
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DOI: https://doi.org/10.1007/s00113-013-2418-x
Schlüsselwörter
- Posterozentraler Operationszugang
- Komplikationen
- Gastrocnemiuskopf
- Plattenosteosynthese, dorsale
- Tibiakopffrakturen