ObjectiveTo explore the effect of surgical treatment of pulsatile tinnitus caused by sigmoid wall dehiscence.MethodsA total of 6 patients with pulsatile tinnitus caused by sigmoid wall dehiscence undergoing surgical treatment were collected from March 2014 to June 2018. There were 2 males and 4 females. The average age is 38.5 years old. The lesion of 1 case was on the left side, and the lesions of 5 cases on the right side. High resolution CT scan of temporal bone was performed preoperatively. There were different degrees of sigmoid sinus wall dehiscence in all 6 patients. Preoperative comprehensive check such as DSA, CTA+CTV had ruled out other diseases can induce pulsatile tinnitus. All patients underwent with the operation of the reconstruction of sigmoid sinus.ResultsAfter surgery, tinnitus of all cases were significantly reduced or disappeared. All 6 patients had no postoperative complications, such as dizziness, nausea, vomiting, cerebrospinal fluid leakage. After follow up for 6~29 months, pulsatile tinnitus of 6 cases were not recurrence. The 6 patients with pulsating tinnitus were graded: 4 cases of Grade 0 (recovered), 1 case of Grade 1 (obvious effect), and 1 case of Grade 2 (effective).The differences was statistically significant between the grades of pulsating tinnitus preoperation and those postoperation.ConclusionSurgical treatment for pulsatile tinnitus caused by sigmoid wall dehiscence was an effective treatment with less risk. It is worthy of clinical promotion and application.