A COMPARATIVE STUDY BETWEEN ULTRASOUND GUIDED VERSUS NON GUIDED INJECTION IN TRIGGER FINGER TREATMENT

Document Type : Preliminary preprint short reports of original research

Authors

1 Department of Radiodiagnosis and ‎Intervention

2 Department of Radiodiagnosis and Intervention, Faculty of Medicine, Alexandria University

3 Department of Trauma and Orthopedics, Faculty of Medicine, Alexandria University).

4 Department of Radiodiagnosis and Intervention, Faculty of Medicine, Alexandria University).

Abstract

Introduction
Trigger finger (or stenosing tenosynovitis) manifests as unusual pain in the palm during movement of the affected finger, with a snapping sound during extension and flexion, as well as locking of the finger that needs active manipulation to extend it. It usually affects the thumb and ring fingers of the dominant hand.
It is caused by hypertrophy and inflammation of the A1 pulley of the flexor tendon, which interferes with normal tendon sliding motion. The hypertrophied pulley may present as a nodule opposite or proximal to the metacarpophalangeal joint.
Many treatment plans for trigger finger usually start with rest and splint, followed by local steroid injection, and finally, surgical release. For steroid injection, a mixture of steroid and local anesthetic is usually utilized. There are two methods of injection: non-guided injection and ultrasound-guided injection.
Ultrasound-guided injection is thought to offer higher accuracy of injection and, hence, presumably good clinical results.

Aim of the Work
This work aimed to compare ultrasound-guided corticosteroid-local anesthetic mixture injection in the management of trigger finger versus non-targeted corticosteroid-local anesthetic mixture injection regarding tolerability of the procedure, clinical effectiveness, and the duration of symptom relief.

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