Die pediatrische vordere Kreuzbandläsion – Eminetia intercondylaris-Fraktur

Ligamentous structures are more robust than bone. Therefore, avulsion fractures are more common in children. This principle is seen in bony avulsion fractures of the anterior cruciate ligament in children. Diagnostics include conventional radiographs as well as an MRI to evaluate further intra-articular injuries. The fracture rarely occurs; however, it usually requires arthroscopically assisted reduction and fixation. The indication is given if at least a grade II fracture is evident radiologically. The injury, as well as the surgical procedure, carries the risk of growth damage and arthrofibrosis.

1998 ◽  
Vol 26 (1) ◽  
pp. 20-29 ◽  
Author(s):  
Bernard R. Bach ◽  
Steven Tradonsky ◽  
John Bojchuk ◽  
Matthew E. Levy ◽  
Charles A. Bush-Joseph ◽  
...  

We retrospectively reviewed the results of 97 patients with anterior cruciate ligament reconstructions using an arthroscopically assisted two-incision technique without extraarticular augmentation at an intermediate followup of 5 to 9 years postoperatively. Evaluation included detailed history, physical examination, functional testing, KT-1000 arthrometer measurements, multiple scoring systems, and radiographs. The results were compared with those from a previous study that evaluated a smaller patient cohort using the identical surgical technique at a 2- to 4-year followup. The post-operative physical examination and KT-1000 arthrometer results were statistically improved when compared with preoperative findings. A negative pivot shift result was noted in 83% of patients, and a 1 result in 17% of patients. Seventy percent of patients had 3 mm difference on manual maximum side-to-side testing. Functional testing averaged less than 2% asymmetry for vertical jump, single-legged hop, or timed 6-meter hop. The Tegner activity level was significantly improved from prereconstruction ratings and similar to preinjury ratings. The mean Lysholm score was 87. The modified Hospital for Special Surgery scores resulted in good or excellent results in 82% of the patients (mean, 87 points). The mean Noyes sports function score was 89, and the reoperation rate for a symptomatic knee flexion contracture was 12%. Ninety-seven percent of patients indicated that they would undergo the procedure again. When compared with this same population at 2 to 4 years, we saw no deterioration in scoring scale results.


2020 ◽  
Vol 28 (2) ◽  
pp. 230949902091868
Author(s):  
Takaaki Hiranaka ◽  
Takayuki Furumatsu ◽  
Takaaki Tanaka ◽  
Yuki Okazaki ◽  
Yuya Kodama ◽  
...  

This report describes a novel arthroscopic technique for the treatment of anterior cruciate ligament (ACL) tibial eminence avulsion fractures. A 16-year-old boy who was diagnosed with a left ACL tibial eminence avulsion fracture was treated by arthroscopic fixation. Two bone tunnels were created from the anterior tibial cortex into the fracture bed, and a strong suture passed through the ACL just above its insertion was pulled out through them for reduction and fixation. A retrograde cannulated screw fixation was added for stronger fixation. Weight-bearing and range of motion exercises were started immediately after surgery. Radiographically, bone union was obtained 6 months postoperatively. During second-look arthroscopy (24 months postoperatively), there was no loss of reduction and no subsequent meniscal or cartilage injuries. At that point, the Lysholm score was 95, and the International Knee Documentation Committee score was 96.


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