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Calcar-guided short stems - there's no getting around in modern THA

Published in N°277 - October 2018
Article viewed 47 times

Calcar-guided short stems - there's no getting around in modern THA

By Karl Philipp Kutzner, Joachim Pfeil in category TECHNIQUE
Department of Orthopaedic Surgery and Traumatology, St. Josefs Hospital Wiesbaden, Germany

Total hip arthroplasty (THA) is one of the most successful procedures of the last century providing excellent long-term results. However, worldwide increasingly young and active patients with osteoarthritis are treated with THA, thus being more demanding regarding postoperative clinical function and physical activity.

What’s new in THA?

Total hip arthroplasty (THA) is one of the most successful procedures of the last century providing excellent long-term results [1]. However, worldwide increasingly young and active patients with osteoarthritis are treated with THA, thus being more demanding regarding postoperative clinical function and physical activity. In Europe already over 20% of all patients treated with THA are under the age of 60 years [2].

The request for surgical procedures and implants allowing an active, high quality daily life is constantly advancing. Consequently minimally-invasive techniques have been developed, allowing a muscle- and soft-tissue sparing implantation. In modern THA, however, not only the choice of approach determines the postoperative outcome, but also the type of implant. Choosing the adequate stem highly contributes to being able to optimally use minimally-invasive techniques [3, 4] (Fig. 1).

Figure 1: Bone- and soft-tissue sparing calcar-guided short stem.

 

Short-stem THA: Does length matter?

Short-stems have already been developed decades ago, in order to ensure a bone- and soft-tissue sparing implantation. Since already the first short femoral implants like the Mayo-stem (Zimmer) and the C.F.P.-stem (Link) provided encouraging mid-term results, in...

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