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| Home > Publications database > Primary anterior cruciate ligament repair-morphological and quantitative assessment by 7-T MRI and clinical outcome after 1.5 years. > print |
| 001 | 288085 | ||
| 005 | 20241218111458.0 | ||
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| 100 | 1 | _ | |a Pachowsky, Milena L |0 0000-0002-3729-9566 |b 0 |
| 245 | _ | _ | |a Primary anterior cruciate ligament repair-morphological and quantitative assessment by 7-T MRI and clinical outcome after 1.5 years. |
| 260 | _ | _ | |a Heidelberg |c 2024 |b Springer |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 500 | _ | _ | |a 2024 Aug;34(8):5007-5015 |
| 520 | _ | _ | |a The purpose of this study was to assess morphological and quantitative changes of the anterior cruciate ligament (ACL) and cartilage after ACL repair.7T MRI of the knee was acquired in 31 patients 1.5 years after ACL repair and in 13 controls. Proton density-weighted images with fat saturation (PD-fs) were acquired to assess ACL width, signal intensity, elongation, and fraying. T2/T2* mapping was performed for assessment of ACL and cartilage. Segmentation of the ACL, femoral, and tibial cartilage was carried out at 12 ROIs. The outcome evaluation consisted of the Lysholm Knee Score and International Knee Documentation Committee (IKDC) subjective score and clinical examination.ACL showed a normal signal intensity in 96.8% and an increased width in 76.5% after repair. Fraying occurred in 22.6% without having an impact on the clinical outcome (Lysholm score: 90.39 ± 9.75, p = 0.76 compared to controls). T2 analysis of the ACL revealed no difference between patients and controls (p = 0.74). Compared to controls, assessment of the femoral and tibial cartilage showed a significant increase of T2* times in all ROIs, except at the posterolateral femur. Patients presented a good outcome in clinical examination with a Lysholm score of 87.19 ± 14.89 and IKDC of 80.23 ± 16.84.T2 mapping results suggest that the tissue composition of the ACL after repair is similar to that of a native ACL after surgery, whereas the ACL exhibits an increased width. Fraying of the ACL can occur without having any impact on functional outcomes. T2* analysis revealed early degradation at the cartilage.MRI represents a noninvasive diagnostic tool for the morphological and compositional assessment of the anterior cruciate ligament after repair, whereas knowledge about post-surgical alterations is crucial for adequate imaging interpretation.• There has been renewed interest in repairing the anterior cruciate ligament with a proximally torn ligament. • T2 times of the anterior cruciate ligament do not differ between anterior cruciate ligament repair patients and controls. • T2 mapping may serve as a surrogate for the evaluation of the anterior cruciate ligament after repair. |
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| 650 | _ | 7 | |a Cartilage |2 Other |
| 650 | _ | 7 | |a Knee |2 Other |
| 650 | _ | 7 | |a Ligaments |2 Other |
| 650 | _ | 7 | |a Magnetic resonance imaging |2 Other |
| 650 | _ | 7 | |a Orthopedics |2 Other |
| 700 | 1 | _ | |a Söllner, Stefan |b 1 |
| 700 | 1 | _ | |a Gelse, Kolja |b 2 |
| 700 | 1 | _ | |a Sambale, Jannik |b 3 |
| 700 | 1 | _ | |a Nagel, Armin M |0 P:(DE-He78)054fd7a5195b75b11fbdc5c360276011 |b 4 |u dkfz |
| 700 | 1 | _ | |a Schett, Georg |b 5 |
| 700 | 1 | _ | |a Saake, Marc |b 6 |
| 700 | 1 | _ | |a Uder, Michael |b 7 |
| 700 | 1 | _ | |a Roemer, Frank W |b 8 |
| 700 | 1 | _ | |a Heiss, Rafael |b 9 |
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