Application of a modular knee prosthesis system in difficult primary situations
Report of four cases
Abstract
In arthroplasty practice, often occur complex primary cases that present a significant technical challenge. This is perhaps more prevalent with surgery of the hip, but complex primary knee cases are also frequent. Complex primary arthroplasty is in fact, more similar to revision arthroplasty, and can only be performed safely if certain conditions are met. It is essential to have the appropriate training and experience of the surgeon and the surgical team, in addition to the availability of revision instruments and implants along with bone grafting/substituting options. Currently the reimbursement of such procedures is not separately covered by the diagnoses-related group (DRG) type of health financing system, such as ours. The authors describe four complex primary cases where revision implants were required for treatment. The methods to solve bone deficiency, instability and frontal plane deformity are discussed along with implant selection.
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