Patellar tendon rupture: Difference between revisions
Neil.m.young (talk | contribs) (Additional imagingh) |
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==Work Up== | ==Work Up== | ||
*Ultrasound | *[[Ultrasound: Tendons|Ultrasound]] | ||
**Separation of the tendon can be visualized | **Separation of the tendon can be visualized | ||
*X-ray | *X-ray | ||
Revision as of 16:22, 30 January 2015
Background
- Occurs via forceful contraction of quadriceps muscle or falling on flexed knee
- Quadriceps rupture proximal to the patella while patellar tendon ruptures are distal
- Typically occur 2cm from insertion on patella
- Patellar tendon rupture
- Pts <40yr w/ history of tendinitis or steroid injections
- Quadriceps tendon rupture
- Pts >40yr
Clinical Features
- Sudden "pop" or tearing
- Diffuse swelling
- Defect may be palpable above or below the patella
- Partial tears lead to difficulty extending the knee
- Complete tears lead to absent straight leg raise while supine or extension of the knee again
Associated Conditions
Patella fracture Patella dislocation Patellar Tendinitis (Jumper's knee)
Work Up
- Ultrasound
- Separation of the tendon can be visualized
- X-ray
- Patella alta (or high-riding patella) is consistent with patella tendon rupture
- Patella baja/infera (or low-riding patella) is consistent with quadriceps tendon rupture
Management
- Ortho consult in the ED
- Operative repair advised within 7 days
Source
- Tintinalli
- Uptodate
- Wheeless' Textbook of Orthopaedics