M17.9 Z96.65
Conditions
Interventions
Group 1: Patients who have been operated on using cones as a bone-replacing implant system.
Initially, the respective patients will be contacted by telephone by the physicians in order to be informed
Sponsors
Medizinische Hochschule Hannover
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: - Male or female patients in the age group = 18 years - Performed surgery using cones, sleeves or wedges as bone-replacing implant systems
Exclusion criteria
Exclusion criteria: Renewed revision of the knee TEP with replacement of individual or all components
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary objective of this study is to investigate the respective revision rates and the respective implant survival after a change operation using the implant systems cones, sleeves and wedges. | — |
Secondary
| Measure | Time frame |
|---|---|
| As a secondary objective, patient satisfaction and the subjective function of the joint will be investigated by means of questionnaires within the framework of a patient survey. On the other hand, the radiological images already taken pre- and postoperatively as well as follow-up images will be analyzed with regard to common radiological criteria of knee endoprosthetics (loosening according to Knee Society Roentgenographic Evaluation and Scoring System - KSRESS, joint and implant position pre- and postoperatively with common axial angles). | — |
Countries
Germany
Contacts
Public ContactYvonne Noll
Orthopädische Klinik der Medizinischen Hochschule Hannover im Diakovere Annastift, Leitung Klinisches Studienmanagement
Outcome results
None listed