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Abstract Introduction: The high prevalence of sprains in the population has provided a substantial number of patients with lateral instability of the ankle. The continuity of this condition can lead to the progressive loosening of the medial containment structures, generating a multidirectional rotational instability. The deltoid approach through the imbrication of its components has been proposed as a solution for these patients. The arthroscopic technique has been described as an alternative.
Methods: This is a retrospective study with patients diagnosed with multidirectional instability and submitted to an ankle arthroscopy with medial repair (arthroscopic tensioning) and lateral (arthroscopic Brostrom) between January 2018 and January 2020. All patients will fill an epidemiological questionnaire and will be evaluated for pain and function according to the Visual Analogue Scale (VAS) and the American Orthopaedic Foot and Ankle Society Score (AOFAS) at 12 months (6-24 months) average of follow-up.
Discussion: The combined medial and lateral arthroscopic repair may be an effective and safe alternative in the treatment of multidirectional instability. The inclusion of the deltoid complex and the low invasiveness of this technique can improve the clinical outcomes of these patients. Additional studies, with a prospective and comparative methodology are required to sustain this proposal.
Design: Level IV. Retrospective case series.
Keywords: ankle injuries; lateral ligament; collateral ligaments; joint instability
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Multidirectional | Arthroscopic lateral ligament repair combined with deltoid arthroscopic ligament repair. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Arthroscopic Brostrom combined with Arthroscopic Deltoid Repair | Procedure | After anesthesia and surgical site preparation, traditional arthroscopic portals were performed. A 4.5mm set was used to clean the joint and assess possible associated injuries. Anterolateral and anteromedial impacts were resected when needed. Lateral and medial instability were confirmed arthroscopically, and ligament repairs prepared, starting by the lateral compartment. A traditional Arthroscopic Brostrom was performed, using one anchor and suture passers. Sutures are passed but not tightened. Medial anchor insertion is executed at the medial malleolus, in the quadrant described by Vega et al. Sutures were passed respecting the safe zone illustrated by Acevedo at al. The ankle was positioned in neutral (no posterior drawer) and the lateral sutures tightened with arthroscopic knots. Finally, the medial repair is finalized by tightening the deltoid sutures with the ankle at the same position. Portals were closed and a dressing applied. |
| Measure | Description | Time Frame |
|---|---|---|
| American Orthopedic Foot and Ankle Society - Hindfoot Score (AOFAS) | Functional Score (0 to 100 | 100 best score possible | 0 worst score possible) | 6th post-operataive month |
| Measure | Description | Time Frame |
|---|---|---|
| Visual Analogue Scale (VAS) | Pain Score (0 to 10 | 10 worst score possible | 0 best score possible) | 6th post-operataive month |
| Complications | Surgical complications |
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Inclusion Criteria:
Exclusion Criteria:
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Tertiary teaching hospital patients, athletes and non-athletes.
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| Name | Affiliation | Role |
|---|---|---|
| Nacime Salomão Barbachan Mansur, MD, PhD | Federal University of São Paulo | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Federal University of Sao Paulo | São Paulo | São Paulo | 04022-001 | Brazil |
According to the ICMJE data sharing police, core records will be shared at an online depository and available upon request.
After the article is published.
A formal requisition will be needed, directly addressed to the main researcher. A good scientific reason must be included.
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|
| 6th post-operataive month |
| ID | Term |
|---|---|
| D016512 | Ankle Injuries |
| D007593 | Joint Instability |
| D013180 | Sprains and Strains |
| ID | Term |
|---|---|
| D007869 | Leg Injuries |
| D014947 | Wounds and Injuries |
| D007592 | Joint Diseases |
| D009140 | Musculoskeletal Diseases |
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