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Assessment of thickness of in vivo autograft tendons around the knee and its correlation with anthropometric data, thickness of patella and anterior cruciate ligament tibial foot print diameter

Anatomy & Cell Biology 2021년 54권 1호 p.18 ~ 24
Raja Balgovind S., Gupta Kshitij, Abdusamad V., Singh Sukhmin, Maji Subhajit,
소속 상세정보
 ( Raja Balgovind S. ) - All India Institute of Medical Sciences Department of Orthopaedics
 ( Gupta Kshitij ) - All India Institute of Medical Sciences Department of Orthopaedics
 ( Abdusamad V. ) - All India Institute of Medical Sciences Department of Orthopaedics
 ( Singh Sukhmin ) - All India Institute of Medical Sciences Department of Orthopaedics
 ( Maji Subhajit ) - All India Institute of Medical Sciences Department of Orthopaedics

Abstract


Inadequate diameters of the autograft tendons are known to be a major cause of graft failure in ligament reconstruction. The purpose of the study was to measure the in-vivo thickness of the available autograft options around the knee and to seek a correlation between the thickness of the tendons and the anthropometric data, patellar thickness and anterior cruciate ligament (ACL) footprint sagittal diameter. Magnetic resonance imaging of 104 consecutive patients with suspected knee injuries were utilized for measurement of the in vivo thickness of pes anserinus tendon (diameter and cross-sectional area [CSA]), patellar tendon (PT) and quadriceps tendon (QT). Pearson’s coefficient was used to find out the relationship between the tendon thickness and anthropometric data, thickness of patella and ACL tibial foot print sagittal diameter. The mean diameters and CSA of the semitendinosus tendon (ST) and gracilis tendon (GT) were 3.77±0.49 mm, 11.62±1.62 mm2 and 2.87±0.27 mm, 6.64±1.18 mm2 respectively. QT and PT thicknesses were 7.36±0.87 mm and 4.50±0.62 mm respectively. Height and the patellar thickness were seen to have moderate correlation with ST and PT thickness. Weak correlation was seen between the other anthropometric variables and tendon thickness. Magnetic resonance imaging (MRI) assessment of tendon sizes is a reliable method with good inter and intra-rater agreement. Assessment of these anatomical structures with help of MRI would be helpful in preoperative planning and can help in identifying those patients at risk of having smaller tendons.

키워드

Anterior cruciate ligament reconstruction; Magnetic resonance imaging; Patellar ligament; Hamstring tendons; Arthroscopy

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