Biomechanical Comparison of an Open vs Arthroscopic Approach for Lateral Ankle Instability

@article{Drakos2014BiomechanicalCO,
  title={Biomechanical Comparison of an Open vs Arthroscopic Approach for Lateral Ankle Instability},
  author={Mark C. Drakos and Steve B. Behrens and David J. Paller and Conor I Murphy and Christopher W DiGiovanni},
  journal={Foot \& Ankle International},
  year={2014},
  volume={35},
  pages={809 - 815}
}
Background: The current clinical standard for the surgical treatment of ankle instability remains the open modified Broström procedure. Modern advents in arthroscopic technology have allowed physicians to perform certain foot and ankle procedures arthroscopically as opposed to traditional open approaches. Methods: Twenty matched lower extremity cadaver specimens were obtained. Steinman pins were inserted into the tibia and talus with 6 sensors affixed to each pin. Specimens were placed in a… 
A Biomechanical Comparison of 3 Different Arthroscopic Lateral Ankle Stabilization Techniques in 36 Cadaveric Ankles.
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The results of the present study have shown that a previously reported arthroscopic lateral ankle stabilization procedure, when modified with an additional proximal suture anchor into the fibula, results in a statistically significant increase in strength in terms of the maximum load to failure.
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TLDR
Mean strength and stiffness for the arthroscopic Broström repair compared favorably with previous similarly tested open repair and reconstruction methods, validating the clinical feasibility of an ar Throscopic repair.
Analysis of Two Different Arthroscopic Broström Repair Constructs for Treatment of Chronic Lateral Ankle Instability in 110 Patients: A Retrospective Cohort Study
TLDR
Either procedure is an acceptable treatment option for chronic lateral ankle instability, with the knotless technique showing a trend toward more complications, and the preoperative and postoperative AOFAS scale, Foot Function Index, and Karlsson‐Peterson scores showed no statistically significant differences.
Open and arthroscopic lateral ligament repair for treatment of chronic ankle instability: A systematic review.
Diagnosis and Treatment of Chronic Lateral Ankle Instability: Review of Our Biomechanical Evidence.
TLDR
This review distills available biomechanical evidence as it pertains to the clinical assessment, imaging work up, and surgical treatment of lateral ankle instability and concludes that both arthroscopic and open repair techniques appear biomechanically equivalent in their ability to restore ankle stability.
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Early postoperative weight-bearing within 2 weeks seems to be safe and may shorten time to return to play, and synthetic augmentation may expedite rehabilitation.
All-inside arthroscopic allograft reconstruction of the anterior talo-fibular ligament using an accesory transfibular portal.
Operative Treatment of Lateral Ankle Instability
TLDR
Good-to-excellent clinical outcomes have been reported after short and long-term follow-up, although a relatively high rate of complications—including nerve damage—has been reported following the procedure and therefore warrants further investigation before widespread adoption can be advocated.
Kinematics and Laxity of the Ankle Joint in Anatomic and Nonanatomic Anterior Talofibular Ligament Repair: A Biomechanical Cadaveric Study
TLDR
Although the anatomic ATFL repair state did not show significant differences in kinematics and laxity relative to the intact state, the nonanatomic ATFLrepair state demonstrated significant inversion and internal rotation kinematic and internal rotated laxity when compared with the intactstate.
A comparison of the "All-Inside" arthroscopic Broström procedure with the traditional open modified Broström-Gould technique: A review of 62 patients.
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