CapFlex PIP Implant RSA

Rationale: Patients with osteoarthrtis (OA) of the proximal interphalangeal (PIP) joint are commonly treated with joint arthroplasty. The CapFlex PIP implant is a modular surface replacing implant, which has good short-term functional results with a relatively low complication rate. To reduce implant failure and to increase long-term survival, it is important to expand knowledge about fixation and loosening patterns. By using model-based roentgen stereogrammaetric analysis (mRSA), the migration pattern of the implant over time can be calculated. Objective: The primary objective is to assess the fixation and migration patterns of the CapFlex PIP implant system (produced and developed by several companies of KLS Martin Group) in vivo, using mRSA, over 10 years. Secondary objectives are to analyse survival, clinical scores and radiographic aspects of the CapFlex PIP implant system. Study design: A prospective cohort study with 10 years follow-up, in which 36 patients will be enrolled. Patients will be evaluated preoperatively, at 6 weeks, 6 months, 1 year, 2 years 5 years and 10 years. Study population: Patients 18 years or older who require a proximal interphalangeal joint arthroplasty as a result of osteoarthritis of a proximal interphalangeal joint. Main study parameters/endpoints: The main study parameters are the migration of the CapFlex PIP implant system of the distal as well as the proximal component (presented in x-, y- and z-direction). Secondary study parameters a…

This description comes directly from the study's public registry record.

N.M.C. Mathijssen  ·  079 - 206 5595  ·  Onderzoek@rhoc.nl

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