Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Ferlic, PW; Runer, A; Dirisamer, F; Balcarek, P; Giesinger, J; Biedermann, R; Liebensteiner, MC.
The use of tibial tuberosity-trochlear groove indices based on joint size in lower limb evaluation.
Int Orthop. 2018; 42(5): 995-1000.
Doi: 10.1007/s00264-017-3531-1
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- Führende Autor*innen der Med Uni Graz
- Ferlic Peter
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- Abstract:
- The correlation between tibial tuberosity-trochlear groove distance (TT-TG) and joint size, taking into account several different parameters of knee joint size as well as lower limb dimensions, is evaluated in order to assess whether TT-TG indices should be used in instead of absolute TT-TG values. This study comprised a retrospective analysis of knee CT scans, including 36 cases with patellofemoral instability (PFI) and 30 controls. Besides TT-TG, five measures of knee joint size were evaluated in axial CT slices: medio-lateral femur width, antero-posterior lateral condylar height, medio-lateral width of the tibia, width of the patella and the proximal-distal joint size (TT-TE). Furthermore, the length of the femur, the tibia and the total leg length were measured in the CT scanogram. Correlation analysis of TT-TG and the other parameters was done by calculating the Spearman correlation coefficient. In the PFI group lateral condylar height (r = 0.370), tibia width (r = 0.406) and patella width (r = 0.366) showed significant moderate correlations (p < 0.03) with TT-TG. Furthermore, we found a significant correlation between TT-TG and tibia length (r = 0.371) and total leg length (r = 381). The control group showed no significant correlation between TT-TG and knee joint size or between TT-TG and measures of lower limb length. Tibial tuberosity-trochlear groove distance correlates with several parameters of knee joint size and leg length in patients with patellofemoral instability. Application of indices determining TT-TG as a ratio of joint size could be helpful in establishing the indication for medial transfer of the tibial tuberosity in patients with PFI. Level III.
- Find related publications in this database (using NLM MeSH Indexing)
- Adolescent -
- Adult -
- Humans -
- Joint Instability - diagnostic imaging
- Knee Joint - diagnostic imaging
- Lower Extremity - diagnostic imaging
- Middle Aged -
- Retrospective Studies -
- Tomography, X-Ray Computed - methods
- Young Adult -
- Find related publications in this database (Keywords)
- Knee
- Patella
- Patellofemoral
- Patellofemoral instability
- Tt-TG