Table 4.

Complications

Patient	Complication	Revision	Second. bone void filler
34 y., m NCB-PT®	arthrofibrosis peroneal paralysis	no	no
61 y., m VA-LCP®	valgus deformity after compl bone healing	yes	yes (autologous cancellous bone graft)
73 y., f VA-LCP®	DVT (V. popl./fibul./tibial)	no	no
71 y., f VA-LCP®	DVT (V. popl./fem. Sup.)	no	no
59 y., m VA-LCP®	postop. Depression (dorsal articular surface)	yes	yes (Cerament®)

Throughout the 12 months follow-up the postoperative course of every patient was constantly monitored with radiological and clinical controls to detect any signs of a postoperative complication. Within our patient collective 5 postoperative complications appeared with two of them resulting in a operative revision, both out of the VA-LCP® group. A significant difference between the patients with a VA-LCP® or NCB-PT® system could not be identified