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Recurrent neurogenic thoracic outlet syndrome
Esteban Ambrad-Chalela1, George I Thomas, Kaj H Johansen
1Vascular Institute of the Northwest, 1600 E. Jefferson St., No. 101, Seattle, WA 98122, USA. kaj.johansen@swedish.org
American Journal of Surgery
|March 26, 2004
Summary
Recurrent neurogenic thoracic outlet syndrome (NTOS) can occur after surgery. Reoperation for causes like pectoralis minor tendon or scalene muscle issues yields excellent results, improving outcomes for NTOS patients.
Area of Science:
- Medical research
- Surgical outcomes
- Neuroscience
Background:
- Neurogenic thoracic outlet syndrome (NTOS) often resolves with surgery, but recurrence is possible.
- Understanding recurrence patterns is crucial for long-term patient management.
Purpose of the Study:
- To investigate the causes and outcomes of recurrent NTOS after initial surgical decompression.
- To identify factors influencing successful reoperation for persistent symptoms.
Main Methods:
- Retrospective review of nearly 500 patients undergoing thoracic outlet decompression for NTOS.
- Analysis of diagnostic procedures and reoperative surgery outcomes in 17 patients with recurrent symptoms.
Main Results:
- 17 patients developed recurrent NTOS symptoms 3-80 months post-surgery.
- Common causes included pectoralis minor tendon compression (13) and adherent scalene muscle (14).
- All reoperated patients achieved "excellent" or "good" outcomes.
Conclusions:
- Complete rib excision and subtotal scalene muscle excision reduce NTOS recurrence.
- Pectoralis minor tenotomy is a key component of comprehensive thoracic outlet decompression.
- Anterior scalene muscle blocks can predict reoperation success for specific NTOS recurrence types.