Korean J Pain.  2013 Apr;26(2):154-159. 10.3344/kjp.2013.26.2.154.

Efficacy of Intra-articular Steroid Injection in Patients with Femoroacetabular Impingement

• Park JS
• Jang YE
• Nahm FS
• Lee PB
• Choi EJ

• KMID: 1978660
• DOI: http://doi.org/10.3344/kjp.2013.26.2.154

Abstract

Femoroacetabular Impingement (FAI) arises from morphological abnormalities between the proximal femur and acetabulum. Impingement caused by these morphologic abnormalities induces early degenerative changes in the hip joint. Furthermore, FAI patients complain of severe pain and limited range of motion in the hip, but a guideline for treatment of FAI has not yet been established. Medication, supportive physical treatment and surgical procedures have been used in the treatment of the FAI patients; however, the efficacies of these treatments have been limited. Here, we report the diagnosis and treatment for 3 cases of FAI patients. Intra-articular (IA) steroid injection of the hip joint was performed in all three patients. After IA injection, pain was reduced and function had improved for up to three months.

Keyword

femoroacetabular impingement; hip osteoarthritis; intra-articular injection

MeSH Terms

Acetabulum
Femoracetabular Impingement
Femur
Hip
Hip Joint
Humans
Injections, Intra-Articular
Osteoarthritis, Hip
Range of Motion, Articular

Figure

• 

  Fig. 1 Type of femoroacetabular impingement. (A) Normal hip joint. (B) Cam type (arrow: decreased head-neck offset of femur). (C) Pincer type (arrow: excessive bony coverage by the acetabular rim). (D) Mixed type.

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  Fig. 2 Simple radiographic classification of femoroacetabular impingement. (A) Cam type (frog lateral view of hip). (B) Pincer type (anteroposterior view of hip). (C) Mixed type (frog lateral view of hip).

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  Fig. 3 Measurement of the alpha angle of the hip. The alpha angle is the measured angle between the line connecting the point of no sphericity of the femoral head from the center of the femoral head and the other line extending up to the center of the femoral head from the center of the femoral neck at the narrowest point. Translateral view of hip is used.

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  Fig. 4 (A) Fluoroscopy guided intra-articular (IA) injection of the hip joint (case 1). (B) Ultrasound guided IA injection of the hip joint (case 2).

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