• Nora F Dengler, Maria T Pedro, Thomas Kretschmer, Christian Heinen, Steffen K Rosahl, and Gregor Antoniadis.
• Department of Neurosurgery, Charité-Universitätsmedizin Berlin; District Hospital of Günzburg, Neurosurgical Department of the University of Ulm; Department of Neurosurgery and Neurorestauration, Klinikum Klagenfurt Am Wörthersee, Klagenfurt, Austria; Peripheral Nerve Unit Nord, Christliches Krankenhaus Quakenbrück GmbH, Quakenbrück; Department of Neurosurgery, Helios Klinikum Erfurt.
• Dtsch Arztebl Int. 2022 Oct 28; 119 (43): 735742735-742.

BackgroundThoracic outlet syndrome (TOS) refers to a group of disorders in which there is compression of and/or damage to the neurovascular structures at the thoracic outlet, i.e., at the transition from chest to neck. The incidence of neurogenic thoracic outlet syndrome (nTOS) is estimated to be 2-3 / 100 000 / year, with an estimated prevalence of 10 / 100 000. Patients present with upper extremity sensorimotor symptoms that are often related to movement. The aim of the present article is to highlight the clinical presentation patterns of nTOS and to provide an overview of its diagnosis and treatment.MethodsSelective literature search for prospective observational studies and RCTs, including systematic reviews and metaanalyses.ResultsThere is no multicenter randomized controlled trial available on the treatment of nTOS. Prospective observational studies with a hierarchical study design report a positive effect of physiotherapy in 27-59% of cases. After unsuccessful conservative treatment, up to 56-90% benefit from surgical management. Patients with nTOS are more severely affected compared with those with other forms of TOS and benefit less from transaxillary first rib resection. nTOS patients who underwent supraclavicular decompression without rib resection had excellent surgical outcomes in 27%, good outcomes in 36%, acceptable outcomes in 26%, and poor surgical outcomes in 11% of cases. There is no systematic comparison available of the types of surgical management involved. Also, there is currently no uniform classification available for all medical sub-disciplines. Therefore, interpretation, and comparability of the study results are limited.ConclusionAlthough nTOS is the most common form of TOS, studies on its treatment are currently limited in terms of numbers and quality. The type of surgical management varies according to the experience and preference of the surgeon, treating specialty, special anatomic features, and clinical symptoms.

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