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PATELLAR HEIGHT EXAMINATION WITH VARIOUS METHODS ON GENU X-RAY: IN A SEARCH OF THE MORE PRECISE COMBINATION Astuti, Notariana Kusuma; Hanafi, Muchtar; Irawan , Amelia Tjandra; Adhie, Anistyaning Wahyu
Biomedika Vol 17, No 1 (2025): Biomedika August 2025
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/biomedika.v17i2.11756

Abstract

Patellar height, which represents distance formed by the patella and the length of patellar tendon, can predict various knee joint problems. The Insall-Salvati (IS), Caton-Deschamps (CD), and Blackburne-Peel (BP) ratios are widely used to measure patellar height. Those methods conveyed various levels of variability and reproducibility. However, no method perfectly defines the true patellar height in relation to the tibiofemoral joint with high reproducibility and minimal variability. The study involved x-rays of 15 left-knee joints of Indonesian women across various ages without any history of knee injury. Patellar height was measured using the IS, CD, and BP methods (three times of measurement for each method). Patellar height was classified into infera, norma, and alta based on Indonesian measurement standard. The average measurement ratios were analyzed descriptively to obtain the conclusion. The IS ratio identified a patella norma in 14 subjects and a patella infera in 1 subject. The CD ratio indicated 12 subjects with a patella norma, 2 subjects with a patella alta and 1 subject with a patella infera. The BP ratio resulted in a patella norma in 8 subjects and a patella alta in 7 subjects. Discrepancies in the subgroups were varied. Patella norma from IS ratio confirmed by CD and BP ratios resulted in a percentage of 33%. The IS method combined with the CD method yielded a percentage of 67% with p(IS-CD) = 0.915. The combination of IS-BP and CD-BP methods yielded 53% with p(IS-BP) = 0.02 and 40% with p(CD-BP) = 0.052 respectively. The results show a method-dependent disparity in patellar height measurement. Single IS ratio provides a smaller percentage than its combination with CD or BP ratio. The combination with the highest percentage was obtained between IS and CD ratios. This study implied the measurement of patellar height precisely in various genu joint problems, such as predicting progression of patellofemoral osteoarthritis, pain of the genu joint, and luxation or subluxation of the patella. A future study can involve a larger number of subjects.
The Relationship Between Measurements Of Medial Tibial Plateau Depth And Femoral Notch (Notch Witdh & Shape) On Genu Mri And The Severity Of The Isolated Anterior Cruciate Ligament Tear Cross Sectional Study At Tertiary Refferal Hospital Dr. Moewardi General Hospital & Prof. Soeharso Orthopedic Hospita Irawan, Amelia Tjandra; Adhie, Anistyaning Wahyu; Anindyarani, Yutrisa Sasti; Lillah, Yudhi
Indonesian Basic and Experimental Health Sciences Vol. 12 No. 2 (2024): April
Publisher : Rumah Sakit Umum Daerah Dr. Moewardi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ibehs.vol12iss2pp63-72

Abstract

Background: The knee is a complex joint, composed of ligament components, one of which is the Anterior cruciate ligament which functions as a knee stabilizer. ACL injury is the most common ligament injury in the knee joint. Anatomical factors are one of the factors that predict the severity of an ACL tear. Medial Tibial Plateau Depth and Femoral Notch are one of the influencing factors. Genu MRI examination plays an important role in assessing these factors regarding the severity of an Isolated ACL tear. Objective: To determine the relationship between measurements of Medial Tibial Plateau Depth and Femoral Notch (Notch Witdh & Shape) on MRI genu with the severity of Isolated Anterior Cruciate Ligament Tear at Dr. Moewardi Hospital Surakarta and Prof. Soeharso Orthopedic Hospital Surakarta Method: Quantitative analytical research with a cross-sectional design was conducted from May to June 2023. The research sample was patients who underwent a Knee MRI examination with clinical Isolated ACL Tear in the period 1 January 2021 to 30 June 2023. Patients were assessed for the severity of the ACL tear and measurements of the Medial Tibial Plateau Depth and Notch Width and the shape of the Femoral Notch Os Femur Results: Medial tibial plateau depth on MRI Genu was positively correlated with the severity of isolated ACL tear (p value <0.001 and r correlation value of 0.943). Femoral Notch Shape, especially the A shape, has a relationship with the severity of isolated ACL tear (p value = 0.036 (p < 0.05) and r value = 0.274). Meanwhile, the relationship between femoral notch width on MRI Genu and the degree of isolated ACL tear is not significant because the p value obtained is 0.484 (p>0.05) Conclusion: Medial Tibial Plateau Depth and Femoral Notch Shape on MRI Genu have a relationship with the Severity of Isolated Anterior Cruciate Ligament Tear, whereas Femoral Notch Witdh has no relationship