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An effective technique for corticosteroid injection into the knee joint

B T Cohn¹, P S Shapiro

¹Section of Sports Medicine, Mount Sinai Medical Center, Cleveland, Ohio.

Orthopaedic Review

|December 1, 1993

Summary

Corticosteroid knee injections can cause pain and damage when administered at common sites. Targeting the inferomedial or inferolateral patella poles offers a safer alternative for knee joint inflammation treatment.

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Area of Science:

Orthopedic surgery
Musculoskeletal medicine
Pharmacology

Background:

Corticosteroid injections are a common treatment for knee joint inflammation.
Current injection techniques targeting the superomedial or superolateral patella can cause patient pain and chondral damage.
Patellar tendon injections may lead to complications involving the infrapatellar fat pad and anterior cruciate ligament.

Purpose of the Study:

To identify alternative, safer needle insertion sites for intra-articular corticosteroid injections in the knee.
To reduce pain and prevent iatrogenic damage associated with traditional injection methods.

Main Methods:

Review of anatomical landmarks for knee joint injections.
Analysis of potential complications associated with superomedial, superolateral, and patellar tendon injection approaches.
Identification and evaluation of the inferomedial and inferolateral patellar poles as alternative insertion sites.

Main Results:

Superomedial and superolateral patellar injections are associated with increased patient discomfort and potential chondral surface damage.
Patellar tendon injections carry risks of unintended injection into the fat pad or anterior cruciate ligament.
The inferomedial and inferolateral patellar poles are identified as viable alternative sites that avoid these complications.

Conclusions:

The inferomedial and inferolateral patellar poles represent safer and more effective sites for corticosteroid injections into the knee joint.
Utilizing these alternative sites can mitigate risks of pain, chondral damage, and ligamentous injury.
This technique modification can improve patient outcomes and procedural safety in knee joint corticosteroid therapy.

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