Year : 2019 | Volume : 7 | Issue : 1 | Page : 1 - 6  

Original Articles
Analysis of the Functional outcome of patients with recurrent dislocation patella treated with arthroscopic lateral retinacular release: A prospective study

Siva Kesavulu Achanala1, Venu Madhav Bodla2*

 1 & 2 Assistant Professor, Department of Orthopedics, Malla Reddy Medical College for Women, Suraram, Hyderabad, Telangana, India

*Corresponding Author                                         



Background: Recurrent dislocation patella is a disorder with a complex etiology and can be a disabling condition. Management of patients with this condition has improved owing to our increased knowledge of the functional anatomy of the patello femoral joint. The treatment goal is to find the most accurate, least invasive method, and this involves sorting through the many structural and functional factors leading to extensor mechanism mal alignment and dysfunction.

Objective: It is a prospective study analyzing of the Functional outcome of patients with recurrent dislocation patella treated with arthroscopic lateral retinacular release.

Methods: A prospective study was conducted in patients undergoing arthroscopic lateral retinacular release for recurrent dislocation patella between 11/2015 and 10/2016 at Malla Reddy Narayana hospital, Suraram X roads, Hyderabad. 27 patients were operated, by a single surgeon & 24 patients were available for study. All patients were  followed up for a  period of 1 year post lateral retinacular release by a single observer using the subjective knee evaluation part of International knee Documentation Committee (IKDC)   Form  and Tegner Activity Scale.

Results: There was significant improvement in functional outcome in patints. 7 knees (27%) were rated subjectively as excellent, 15 knees (57.7%) as good, 3 knees (11.5%) as fair, and 01(3.8%) as poor.

Conclusion: Lateral retinacular release can give a significant improvement in functional outcome in patients with recurrent dislocation patella provided the patient selection is good, and the technique is meticulously followed. The limitation of the study is the small number of patients and short term follow up.

Keywords: recurrent dislocation, lateral release, hook knife, arthroscopy


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