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Cineradiographic studies with shoulder instabilities.

¹Department of Orthopaedic Surgery, Louisiana State University School of Medicine, New Orleans.

The American Journal of Sports Medicine

|July 1, 1988

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Fluoroscopic examination of the shoulder under anesthesia is a valuable diagnostic tool. This imaging technique can reveal previously undiagnosed shoulder instability and aid in confirming surgical hardware placement.

Area of Science:

Orthopedics
Medical Imaging

Background:

Shoulder disorders encompass a range of conditions, including instability and impingement.
Accurate diagnosis is crucial for effective treatment planning and patient outcomes.

Purpose of the Study:

To evaluate the diagnostic utility of fluoroscopic examination under general anesthesia for shoulder disorders.
To determine if this imaging modality can alter pre-imaging diagnoses.

Main Methods:

Thirty patients with shoulder disorders underwent fluoroscopy under general anesthesia.
Pre-imaging diagnoses included instability (20 shoulders) and other stable shoulder disorders (10 shoulders).
Cineradiography was utilized during the fluoroscopic examination.

Main Results:

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In 10% of patients (3 out of 30), the diagnosis changed after fluoroscopic imaging.
Diagnoses altered included identification of underlying instability in impingement syndrome, a shift from suspected anterior to posterior subluxations, and characterization of multidirectional instability in recurrent posterior dislocations.
Fluoroscopy provided useful diagnostic information, particularly in cases of diagnostic uncertainty.

Conclusions:

Fluoroscopic examination of the shoulder under general anesthesia is a beneficial diagnostic procedure.
This technique can refine diagnoses of shoulder instability and other disorders.
It is recommended for documentation, especially when diagnoses are uncertain or to verify surgical implant placement.