![]() TOS is more prevalent in females and those with poor muscle development, poor posture, or both. Due to the general nature of symptoms, the true prevalence of TOS is hard to determine. Several variants of thoracic outlet syndrome (TOS) exist, with neurogenic thoracic outlet syndrome being the most prevalent by far, accounting for over 90% of all cases. Another secondary cause could be a fracture of the clavicle, which could also result in depression of the shoulder, causing the same mechanism as explained earlier. If a patient has a trapezius muscle deficiency, it can cause the shoulder to depress, which can cause the outlet to diminish, thus increasing the pressure. Secondary causes can also result in TOS in patients. Past trauma and neck positioning, a relatively simple explanation, is considered one of the leading causes of TOS symptoms. Fibrous muscular bands from overuse, or in muscular athletes, can cause increased pressures in anatomically normal individuals. These pressures can result from several anatomical abnormalities, such as the thoracic ribs or space-occupying lesions, including tumors or cysts. Thoracic outlet syndrome (TOS) manifests when pressures in the thoracic outlet increase to the point of impinging vessels or nerves. ![]() Patients who are treated appropriately generally fair well, with the vast majority having their symptoms resolve completely. ![]() Both nonsurgical and surgical treatment methods are options for patients in managing this condition. Electrodiagnostic studies can also be useful if the condition is neurologic in origin. Imaging of the musculature and vasculature can help identify this condition. Patients present with a wide range of symptoms, from minor complaints to debilitating manifestations. The first rib, scalene muscles, and the clavicle comprise the thoracic outlet. Wilbourne suggests five different types of TOS a venous variant, arterial, a traumatic, a true neurogenic, and a disputed neurogenic. TOS was first reported by Rogers in 1949 and more precisely characterized by Rob and Standeven in 1958. Thoracic outlet syndrome (TOS) is a nonspecific diagnosis representing many conditions that involve the compression of the neurovascular structures that pass through the thoracic outlet. Describe the interprofessional team strategies for improving care coordination and communication to enhance the care of thoracic outlet syndrome and improve outcomes.Outline the management options available for thoracic outlet syndrome.Review the appropriate evaluation of thoracic outlet syndrome.Identify the etiology of thoracic outlet syndrome.This activity summarizes the diagnosis and management of patients with thoracic outlet syndrome and highlights the role of the interprofessional team in the care of patients with this condition. TOS presents in a vague and nondescript way. ![]()
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