Medial Patella Subluxation: Diagnosis and Treatment

Mark A McCarthy; Mathew J Bollier

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Medial Patella Subluxation: Diagnosis and Treatment

Journal article

Open access

Peer reviewed

Medial Patella Subluxation: Diagnosis and Treatment

Mark A McCarthy and Mathew J Bollier

The Iowa orthopaedic journal, Vol.35, pp.26-33

2015

PMCID: PMC4492148

PMID: 26361441

Appears in Diamond Open Access

Files and links (1)

url

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4492148/View

Published (Version of record) Open Access

Abstract

Medial patella subluxation is a disabling condition typically associated with previous patellofemoral instability surgery. Patients often describe achy pain with painful popping episodes. They often report that the patella shifts laterally, which occurs as the medial subluxed patella dramatically shifts into the trochlear groove during early knee flexion. Physical examination is diagnostic with a positive medial subluxation test. Nonoperative treatment, such as focused physical therapy and patellofemoral stabilizing brace, is often unsuccessful. Primary surgical options include lateral retinacular repair/imbrication or lateral reconstruction. Prevention is key to avoid medial patella subluxation. When considering patellofemoral surgery, important factors include appropriate lateral release indications, consideration of lateral retinacular lengthening vs release, correct MPFL graft placement and tension, and avoiding excessive medialization during tubercle transfer. This review article will analyze patient symptoms, diagnostic exam findings and appropriate treatment options, as well as pearls to avoid this painful clinical entity.

Patellofemoral Joint - surgery

Physical Examination - methods

Patellar Dislocation - surgery

Risk Assessment

Humans

Reconstructive Surgical Procedures - methods

Magnetic Resonance Imaging - methods

Male

Treatment Outcome

Combined Modality Therapy

Surgical Flaps - transplantation

Arthroscopy - methods

Patellar Dislocation - complications

Recovery of Function

Injury Severity Score

Joint Instability - surgery

Patellar Dislocation - diagnosis

Tenotomy - methods

Range of Motion, Articular - physiology

Adult

Female

Joint Instability - etiology

Patellofemoral Joint - injuries

Arthroplasty - methods

Details

Title: Subtitle: Medial Patella Subluxation: Diagnosis and Treatment
Creators: Mark A McCarthy - University of Iowa Hospitals and Clinics Department of Orthopaedics and Rehabilitation
Mathew J Bollier - University of Iowa Hospitals and Clinics Department of Orthopaedics and Rehabilitation
Resource Type: Journal article
Publication Details: The Iowa orthopaedic journal, Vol.35, pp.26-33
Publisher: Dept. of Orthopaedics, The University of Iowa; United States
PMID: 26361441
PMCID: PMC4492148
ISSN: 1541-5457
eISSN: 1555-1377
Language: English
Date published: 2015
Academic Unit: Orthopedics and Rehabilitation
Record Identifier: 9984040467402771

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