Key result
Posterior screw fixation for tibial disinsertion of the posterior cruciate ligament yielded satisfactory functional results with full extension, flexion up to 140°, and no residual instability at one year in three patients.
Why the study?
Treatment of posterior cruciate ligament injuries remains debated regarding indications, technical choices, and approach, as PCL surgery is not as reliable and reproducible as ACL surgery.
Does posterior screw fixation improve functional outcomes in patients with isolated PCL tibial disinsertion?
Case Report (n=3)
No
Does posterior screw fixation improve functional outcomes in patients with isolated PCL tibial disinsertion?
Posterior screw fixation via a conventional posterior approach provides satisfactory functional results and stability for isolated PCL tibial avulsion fractures.
Hypothesis-generating for posterior screw fixation in PCL tibial avulsions; larger prospective trials needed before practice change.
Posterior cruciate ligament (PCL) injuries have a reported incidence of between 3% and 37%, depending on the clinical setting [1]. Posterior cruciate ligament (PCL) avulsion fracture is a rare trauma pathology. Oriented by a careful clinical examination, magnetic resonance imaging (MRI) confirms the diagnosis. Surgical treatment gives good functional results in most cases. The evolution of knee ligament surgery has not made posterior cruciate ligament (PCL) surgery as reliable and reproducible as anterior cruciate ligament (ACL) surgery. The treatment of posterior cruciate ligament (PCL) injuries remains a particularly debated subject in terms of indications but also in terms of technical choices and approach. We describe in this work the reinsertion of the posterior cruciate ligament in its retro-spinal surface of the tibia by screwing in 2 sportsmen victims of high energy sports accidents and a 3rd patient victim of a fall in the stairs knee in hyperextension, the patients are carriers of an "isolated" desinsertion of the posterior cruciate ligament (PCL).
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Dahmani et al. (2021) conducted a case report in Posterior cruciate ligament (PCL) disinsertion (n=3). Posterior screw fixation was evaluated on Functional recovery and joint stability at 1 year. Posterior screw fixation for tibial disinsertion of the posterior cruciate ligament yielded satisfactory functional results with full extension, flexion up to 140°, and no residual instability at one year in three patients.
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