Understanding Red Flags in Patellofemoral Pain

Original Editor - Carin Hunter based on the course by Claire Robertson
Top Contributors - Carin Hunter, Jess Bell and Kim Jackson

Introduction[edit | edit source]

Why do we need to know red flags?

Safety

Directing patients to the right place

If there has been trauma to the knee - always make sure the correct imaging/investigations have been done.

Non-Traumatic Masquerading Conditions[edit | edit source]

Young people[edit | edit source]

Osgood Schlatters[edit | edit source]

11-15 years olds

prevalent in kids that do lots of quads dominant sports, so running, and kicking and jumping

obvious bump at the tibial tubercle

Pain specific to tibial tubercle

inflammation and elevation of the growth plates in the tibial tuberosity, so the proximal tibia

Can be confirmed on MRI to show level of inflamation

Pain worsen to a point that it can prevent any participation in sport

Treatment:Education

Activity modification - eliminate least fav sport, change playing position to a less active one to decrease load

NSAIDS

Ice Massage(Symptomatic relief)

Address overload

extrinsic

load management of sport

footwear

landing technique

intrinsic factors

muscle length

muscle strength

Osgood Schlatters.jpg

Sinding-Larsen-Johansson Disease[edit | edit source]

Adapted Sinding-Larsen-Johansson Syndrome - Shutterstock Image - ID 633281234.jpg

inflammation at the growth plate of the distal pole of the patella

most likely to be seen at times of aggressive growth/growth spurts

treatment tactics that I ask parents to do is to track growth because they're more likely to manage it well at times of aggressive growth with their activity modification.

Pain worsen to a point that it can prevent any participation in sport

Treatment:activity modification

Knee Effusion[edit | edit source]

A child should not have a knee effusion

Effusion very often leads to patellofemoral pain

A knee effusion in a child should always be investigated

Possible Causes:

systemic autoimmune disease, juvenile arthritis

infective arthritis

Osteochondritis Dissecans

Osteochondritis Dissecans[edit | edit source]

cartilage and some of the subchondral bone can break off and float in the joint, which irritates the synovium, which in turn causes the effusion

autoimmune disease red flags:

Multiple joint involvement

Joint was stiff on waking

Fatigue

Infective arthritis red flags:

Temperature

Recent Illness

Osteochondral Defect[edit | edit source]

Others[edit | edit source]

Systemic Auto-Immune Disease

Slipped Epiphysis

FAI

Leukaemia

Metastatic Neuroblastoma

Primary Bone Tumour

Assessment Tools[edit | edit source]

Load Assessment Table for Growth Tracking - Track volume of exercise in a week

References[edit | edit source]