The comparison of clinical and radiologic outcomes between all-arthroscopic and open surgical method for chronic lateral ankle instability: Prospective randomized controlled study

The comparison of clinical and radiologic outcomes between all-arthroscopic and open modified Broström operation in chronic lateral ankle instability: Prospective randomized controlled study

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0004752

Enrollment

Registered

2020-02-20

Start date

2019-05-29

Completion date

Unknown

Last updated

2026-05-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Procedure/Surgery : The modified Brostrom operation (MBO) consists of anterior talofibular ligament repair and additional inferior extensor retinaculum augmentation. In patients with chronic lateral a

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Patients with chronic lateral instability of the ankle joint diagnosed with subjective symptoms and objective diagnosis (more than 5 mm displacement on anterior draw test and more than 10 degrees of talus tilt angle) (2) patients who require surgery due to lateral instability of the ankle joint ((i) patients who do not improve conservative treatment of 3 months of medication and rehabilitation, (ii) patients with givingway and persistent pain, (iii) Patients who cannot maintain their ankle activity at the previous level for more than 6 months) (3) Patients who are expected to be followed up for 2 years after surgery (4) Patients who can have MRI before surgery and 1 year after surgery (5) Active patient who more than Tegner scale six (6) Patients who agreed to the agreement

Exclusion criteria

Exclusion criteria: (1) Fracture history on affected ankle joint (2) Past surgical history of affected ankle (3) Deformation of the ankle alignment due to arthritis, congenital diseases, etc. (4) History of other musculoskeletal and nervous system diseases

Design outcomes

Primary

Measure	Time frame
recurrent lateral ankle instability and retear of anterior talofibular ligament;American Orthopedic foot and ankle score	—

Secondary

Measure	Time frame
Visual analogue scale;Foot and Ankle Outcome Score;American Orthopedic foot and ankle score, other units except sports;Karlsson Score;Tegner Activity Scales	—

Countries

Korea, Republic of

Contacts

Public ContactSung Hyun Lee

Wonkwang University Hospital

kensin06@hanmail.net+82-63-859-1360

Outcome results