Objective To investigate the clinical efficacy of knife needle microinvasive operation for cervical spondylotic arteriopathy. Method Sixty patients with cervical spondylotic arteriopathy were randomized, in order of admission times, to observation and control groups, 30 cases each. The observation group received three-step knife needle microinvasive operation and the control group, single suboccipital deltoid muscle lysis. The therapeutic effects were compared between the two groups of patients. Result In t...