Cuevas-Trisan Ramon L, Cruz-Jimenez Maricarmen
Veterans Affairs Medical Center, Physical Medicine and Rehabilitation Service, San Juan, Puerto Rico 00921-3201, USA.
Am J Phys Med Rehabil. 2003 Sep;82(9):712-5. doi: 10.1097/01.PHM.0000083670.41890.2C.
To determine the value of F waves in provocative positions for the diagnosis of thoracic outlet syndrome, we performed provocative maneuvers on three patients with a clinical diagnosis of thoracic outlet syndrome. The patients had complained of intermittent upper limb pain with associated weakness and paresthesias for several years, and previous evaluations included essentially normal cervical and shoulder imaging studies and electrodiagnostic studies. Although upper limb nerve conduction studies, including ulnar and median F waves, were within normal limits, provocative F waves were obtained in the symptomatic and asymptomatic arm. When routine nerve conduction studies are normal, despite a strong clinical suspicion, provocative maneuvers may help to show subtle electrodiagnostic abnormalities to support the diagnosis of thoracic outlet syndrome.
为确定激发试验姿势下F波对胸廓出口综合征诊断的价值，我们对3例临床诊断为胸廓出口综合征的患者进行了激发试验。这些患者多年来一直诉说间歇性上肢疼痛，并伴有无力和感觉异常，之前的评估包括基本正常的颈椎和肩部影像学检查以及电诊断检查。尽管包括尺神经和正中神经F波在内的上肢神经传导研究结果在正常范围内，但在有症状和无症状的手臂均获得了激发F波。当常规神经传导研究结果正常时，尽管临床高度怀疑，激发试验可能有助于显示细微的电诊断异常，以支持胸廓出口综合征的诊断。
