Background. The incidence of trigeminal neuralgia (TN) is 15 per 100,000 people per year. The effectiveness of the existing conservative methods of therapy does not exceed 50%. The use of carbamazepine doubles the frequency of depressive conditions, and 40% of suicidal thoughts. Purpose of the study. To evaluate the long-term results of microvascular decompression using video endoscopy in the treatment of patients with classical trigeminal neuralgia (cNTN) with paroxysmal facial pain. Methods. At the Federal Research and Clinical Center of the FMBA of Russia in the period from 2014 to 2019. 96 patients with cNTN were operated on in 62 (64%) of whom neuralgia was with paroxysmal facial pain, and in 34 (36%) - with constant pain. The average period from the onset of pain syndrome to surgery was 5 years (from 2 months to 15 years). The maximum pain intensity upon admission to the hospital according to the visual analogue scale (VAS) was 10 points, according to the BNI (Barrow Neurological Institute) pain syndrome scale - V. All patients underwent MIA of the trigeminal nerve root using Teflon, and in 9 patients during surgery used video endoscopic assistance. The average follow-up period after surgery was 3.4 1.7 years (from 1 to 5 years).Results. In all (100%) patients, pain was completely relieved after surgery (BNI - I). Excellent and good results after MVD within 5 years were achieved in 98% of patients (BNI - I-II). Facial hypesthesia, which does not bring discomfort and anxiety (BNI-II), developed in 8% (n = 5) of patients. The use of video endoscopy made it possible to identify vessels compressing the trigeminal nerve root with minimal traction of the cerebellum and cranial nerves. The development of cerebellar edema and ischemia occurred in one (1.6%) patient.Conclusion. The MVD method with video endoscopy is effective in the treatment of patients with cNTN with paroxysmal pain syndrome.
The objective is to demonstrate the effectiveness of the vascular decompression with videoendoscopy in the treatment of classical glossopharyngeal nerve neuralgia by a clinical case and to summarize the literature data on this subject. Clinical case. In February 2020, a 56-year-old patient with a clinical picture of glossopharyngeal nerve neuralgia was admitted to the Research Clinical Center of Specialized Medical Care and Medical Technologies. The pain syndrome bothered about 3 years, constantly took carbamazepine at a dose of 1200 mg per day, amitriptyline 75 mg per day, clonazepam 2 mg per day without effect. After further examination and differential diagnosis of causal neuralgia of the glossopharyngeal nerve, a neurovascular conflict appeared between the glossopharyngeal nerve, the posterior inferior cerebellar and vertebral arteries. A good postoperative clinical result was obtained. An analysis of the available scientific literature on this problem is carried out.Results. After performing vascular decompression of the root of the glossopharyngeal and vagus nerves, pain completely regressed (BNI - I, VAS - 0). 6 months after surgery, there is no pain, the patient does not receive drug therapy. In the course of the analysis of available literature, the effectiveness of vascular decompression in the treatment of patients with classical neuralgia reaches 98 %.Conclusion. Given the low incidence of glossopharyngeal neuralgia, the correct diagnosis and the choice of an appropriate treatment method determine the outcome of the disease. The performed operation in the volume of vascular decompression of the glossopharyngeal nerve root with the use of videoendoscopy allowed to completely stop the pain syndrome.
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