AANA19 Knee Access Pass-The Recurrent Instability of the Patella (RIP) Score: A Statistically-Based Model for Prediction of Long-Term Recurrence Risk after First-Time Dislocation-Dr. Mario Hevesi, M.D., FRCSC.

The Recurrent Instability of the Patella (RIP) Score: A Statistically-Based Model for Prediction of Long-Term Recurrence Risk after First-Time Dislocation-Dr. Mario Hevesi, M.D., FRCSC.

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Video Summary

The video explains that patellar dislocation, which accounts for 2-3% of knee presentations, has well-established risk factors such as young age, trochlear dysplasia, and high-demand activities. However, accurately predicting recurrent instability after a first-time dislocation remains difficult. The study aimed to create a prognostic tool for predicting recurrent instability by analyzing the clinical history of primary lateral patellar dislocations and determining long-term predictors. They used the Rochester Epidemiology Project to access medical records from 1990-2010 and reviewed 81 patients with a mean follow-up of 10 years. The results led to the creation of the Rochester Instability Prognostication Score (RIP score), which classifies patients into low, intermediate, and high-risk categories based on age, skeletal maturity, trochlear dysplasia, and a specific measurement. The score demonstrated satisfactory prognostication ability and is available for clinical use online.

Asset Caption

Concurrent Scientific Session IV: Paper Presentations - Meniscus and Patellofemoral II 5.3.2019

Meta Tag

Concept Lateral Patellar Dislocation

Concept Recurrent Instability

Concept RIP Score

Concept Risk Factor

Concept Trochlear Dysplasia

Keywords

patellar dislocation

recurrent instability

prognostic tool

Rochester Epidemiology Project

Rochester Instability Prognostication Score

Lateral Patellar Dislocation

Recurrent Instability

RIP Score

Risk Factor

Trochlear Dysplasia