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Sun J, Wang J, Jia J, Cao Z, Li Z, Zhang C, Guo X, Wu Q, Li W, Ma X. Fully Endoscopic Microvascular Decompression for Trigeminal Neuralgia Caused by Vertebrobasilar Artery: A Case Series Review: 2-Dimensional Operative Video. Oper Neurosurg (Hagerstown) 2024; 26:433-441. [PMID: 37976445 DOI: 10.1227/ons.0000000000000998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 10/04/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND AND OBJECTIVE Microvascular decompression (MVD) is the most definitive and preferred surgical treatment for trigeminal neuralgia (TN). Treatment of TN caused by the vertebrobasilar artery (VBA) has been reported to be challenging and less satisfactory in complications and recurrence. Endoscopy has been implemented to provide a comprehensive view of neurovascular conflicts and minimize brain tissue stretch injury while exploring the trigeminal nerve. However, there are few retrospective studies on the treatment of TN caused by VBA by fully endoscopic microvascular decompression (E-MVD). This article aimed to illustrate the safety and efficacy of E-MVD for TN caused by the VBA. METHODS Clinical data for 26 patients with TN caused by the VBA who underwent E-MVD from 2019 to 2022 were retrospectively analyzed. The characteristics of vertebrobasilar-associated TN were summarized. The safety and efficacy of E-MVD for vertebrobasilar-associated TN were estimated based on the analysis of intraoperative manipulation, postoperative symptom relief, and complications. RESULTS Intraoperatively, the vertebrobasilar artery was regarded as a direct offending vessel in all 26 patients with TN, the vertebral artery in 18 (69.23%) and the basilar artery in 10 (38.46%). In addition to the vertebrobasilar artery, other vessels involved included the superior cerebellar artery in 12 patients, anterior inferior cerebellar artery in 9, posterior inferior cerebellar artery in 1, and veins in 4. All patients underwent E-MVD, and TN was entirely resolved in 26 (100%) patients immediately postoperatively. During the follow-up period of 12-45 months, no recurrence or serious complications were found. There were no serious postoperative complications, such as cerebellar swelling, intracranial hemorrhage, or death. CONCLUSION E-MVD for vertebrobasilar-associated TN is effective and safe.
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Affiliation(s)
- Jinxing Sun
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
| | - Jiwei Wang
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
| | - Junheng Jia
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
| | - Zexin Cao
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
| | - Zhenke Li
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
| | - Chao Zhang
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
| | - Xing Guo
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
| | - Qianqian Wu
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
| | - Weiguo Li
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
| | - Xiangyu Ma
- Department of Neurosurgery, Qilu Hospital, Cheeloo College of Medicine and Institute of Brain and Brain-Inspired Science, Shandong University, Jinan , China
- Jinan Microecological Biomedicine Shandong Laboratory and the Shandong Key Laboratory of Brain Function Remodeling, Jinan , China
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Umana GE, Alberio N, Graziano F, Fricia M, Tomasi SO, Corbino L, Nicoletti GF, Cicero S, Scalia G. Vertebrobasilar Dolichoectasia, Hypoplastic Third Ventricle, and Related Biventricular Hydrocephalus: Case Report and Review of the Literature. J Neurol Surg A Cent Eur Neurosurg 2023; 84:206-211. [PMID: 34077981 DOI: 10.1055/s-0041-1725049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND Vertebrobasilar dolichoectasia (VBDE) is defined as a symptomatic dilatation and tortuosity of the vertebrobasilar arteries. The risk of hydrocephalus development is due to direct compression of the third ventricle outflow or brainstem compression and related aqueduct stenosis. We present an uncommon case of a patient with symptomatic VBDE with the uniqueness of a hypoplastic third ventricle associated with biventricular hydrocephalus. A literature review concerning diagnosis and management of patients affected by biventricular hydrocephalus caused by VBDE was also performed. CASE ILLUSTRATION We report a case of a 54-year-old man who presented with headache, ideomotor apraxia, and gait disorder. A head computed tomography (CT) scan showed a biventricular hydrocephalus and a subsequent CT angiography documented the presence of a VBDE compressing the anterior part of the third ventricle that also appeared hypoplastic. The patient also presented a clinical history of arterial hypertension for which he was given a proper pharmacologic treatment with symptom relief. A surgical treatment of ventriculoperitoneal shunt along with endoscopic septostomy was proposed, but the patient refused, probably due to the slightly positive response to medical treatment. CONCLUSIONS The natural clinical history of patients affected by VBDE is unfavorable with 7.8 years of median survival. The therapeutic strategy is usually conservative and the role of antiplatelets or oral anticoagulants is still debated. In selected patients, ventriculoperitoneal shunt to resolve intracranial hypertension caused by biventricular hydrocephalus is the most effective treatment. In our opinion, chronic third ventricle compression could lead to anatomic-pathologic alterations like the third ventricle hypoplasia documented in our report.
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Affiliation(s)
| | - Nicola Alberio
- Department of Neurosurgery, Cannizzaro Hospital, Catania, Italy
| | - Francesca Graziano
- Department of Neurosurgery, Azienda Ospedaliera di Rilievo Nazionale e di Alta Specializzazione Garibaldi, Catania, Sicilia, Italy
| | - Marco Fricia
- Department of Neurosurgery, Cannizzaro Hospital, Catania, Italy
| | | | - Leonardo Corbino
- Department of Neurosurgery, Azienda Ospedaliera Cannizzaro, Catania, Sicilia, Italy
| | | | | | - Gianluca Scalia
- Department of Neurosurgery, National Specialist Hospital Garibaldi, Catania, Sicilia, Italy
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Liu J, Shen Y, Xiayizhati K, Yu Y. Postoperative hemorrhage after biomedical glue sling technique in microvascular decompression for vertebrobasilar artery-associated cranial nerve diseases: A retrospective study of 14 cases. Front Surg 2023; 9:943848. [PMID: 36684346 PMCID: PMC9852051 DOI: 10.3389/fsurg.2022.943848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 11/07/2022] [Indexed: 01/07/2023] Open
Abstract
Background The biomedical glue sling technique is a convenient and effective method for vertebrobasilar artery-associated cranial nerve diseases but postoperative hemorrhage is poorly understood. Methods We retrospectively reviewed 14 of 1157 patients associated with cranial nerve diseases who were subjected to the biomedical glue sling technique in microvascular decompression at our hospital from January 2015 to January 2020. Results There were 14 patients with cranial nerve diseases included in this study. A clinical diagnosis of postoperative hemorrhage was made after an average of 41.75 h (ranging between 0.5 and 95 h). A cerebellopontine angle hemorrhage was presented in 5 patients, while basal ganglia hemorrhage was observed in 2 patients. Both a cerebellopontine angle and brainstem hemorrhage was seen in 1 patient. Distal supratentorial subdural hemorrhage was recorded in 6 patients. The correlation coefficient was -0.1601 (p = 0.7094) between the standard deviation of systolic blood pressure and the Hemphill Score, -0.2422 (p = 0.5633) between the coefficient of variation of systolic blood pressure and the Hemphill Score, and -0.0272 (p = 0.9489) between the range of systolic blood pressure and the Hemphill Score. Conclusions The incidence of postoperative hemorrhage after MVD with the biomedical glue sling technique is higher than with traditional MVD and most cases have a favorable prognosis. Postoperative symptoms are the main area of concern and changes in symptoms usually suggest the occurrence of hemorrhage. Several factors, including surgical procedures, the release of CSF, and blood pressure might be associated with hemorrhaging. We still believe such a technique is an efficient approach to treating complicated cranial nerve diseases.
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Affiliation(s)
- Jiang Liu
- Department of Neurosurgery, China-Japan Friendship Hospital, Beijing, China
| | - Yuxiao Shen
- Department of Neurosurgery, China-Japan Friendship Hospital, Beijing, China,Department of Neurosurgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Kelisitan Xiayizhati
- Department of Neurosurgery, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Yanbing Yu
- Department of Neurosurgery, China-Japan Friendship Hospital, Beijing, China,Correspondence: Yanbing Yu
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Amagasaki K, Takusagawa Y, Tatebayashi K, Nakaguchi H. Macrovascular Decompression with the Transposition Method Using Teflon Sling for Trigeminal Neuralgia Caused by the Vertebrobasilar Artery. World Neurosurg 2022; 167:e1395-e1401. [PMID: 36113714 DOI: 10.1016/j.wneu.2022.09.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 09/11/2022] [Indexed: 12/08/2022]
Abstract
OBJECTIVE Complete separation of the vertebrobasilar artery (VBA) from the trigeminal nerve by microvascular decompression is technically challenging. This paper evaluates the transposition method using Teflon sling for trigeminal neuralgia (TN) caused by the VBA. METHODS Retrospective review of 32 patients including 2 patients with tic convulsif. Mobilization of the VBA in the anteromedial-caudal direction and repositioning of the VBA using Teflon sling and fibrin glue were performed. Pre- and postoperative pain were evaluated with the Barrow Neurological Institute (BNI) pain intensity score. Duration of surgery and postoperative neurologic complications were reviewed. RESULTS Preoperative BNI score ranged from III to V. Postoperative BNI score I was observed in 30 patients, II in 1 patient, and V in 1 patient as recurrence. Abducens nerve palsy was observed in 9 patients but was transient in 8. Permanent hearing loss was observed in 6 patients. Transient mild lower cranial nerve palsy was recorded in 2 patients with tic convulsif. Average surgical time was 290 minutes. CONCLUSIONS Our method for trigeminal neuralgia caused by VBA was very effective, but the complication rate of cranial nerve disorders was also high. A high rate of complications implied the technical difficulty of extensive vascular mobilization requiring long duration of surgery. Macrovascular decompression surgery is more descriptive of this surgery instead of microvascular decompression surgery.
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Symptomatic Vascular Compression of Brainstem May Be Managed Conservatively. LIFE (BASEL, SWITZERLAND) 2022; 12:life12081179. [PMID: 36013358 PMCID: PMC9410243 DOI: 10.3390/life12081179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 11/17/2022]
Abstract
Medulla compression from vertebral artery abnormality is a very rare occurrence with few cases present in the literature. It has been documented to present with a very wide spectrum of clinical symptomatology ranging from asymptomatic to full hemiplegia. There is currently no treatment algorithm in place to guide clinicians encountering such patients but treatments have historically involved major posterior compartment surgical interventions. This case outlined a patient evaluated for dizziness without any other neurological symptoms or signs, found to have abnormal dilatation, elongation, and tortuosity of the vertebral artery with resultant compression of the medulla oblongata. The patient was managed conservatively after discussion of surgical options. This report outlined an important consideration for management of medullar compression by vertebral artery based on symptom severity with the possibility of postponing surgical or endovascular interventions and opting for conservative management with an anti-platelet regimen, particularly in the short term.
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Yu F, Yin J, Lu PG, Zhao ZY, Zhang YQ, Men XZ. Microvascular decompression by interposition method for treatment of trigeminal neuralgia due to vertebrobasilar dolichoectasia: a retrospective single-center study. Neurosurg Rev 2022; 45:2709-2715. [PMID: 35391607 DOI: 10.1007/s10143-022-01776-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 03/02/2022] [Accepted: 03/22/2022] [Indexed: 11/24/2022]
Abstract
Trigeminal neuralgia (TN) due to vertebrobasilar dolichoectasia (VBD) is a rare disease that can be challenging to treat. The objectives of this study are to investigate the characteristics of patients with TN due to VBD and to analyze the efficacy of microvascular decompression (MVD) by the interposition method for treatment of the condition. From 2010 until 2020, the data of 30 patients with TN due to VBD who were treated with MVD by the interposition method were analyzed retrospectively. The characteristics of the patients were compared with those of patients with non-VBD TN (n = 815). Kaplan-Meier survival analysis was performed to determine pain-free survival. The 30 patients (21 males, 9 females; mean age, 63.03 years) accounted for 3.55% of all patients with TN during the study period. In 30 patients, the offending vessel was the basilar artery (BA) in 1 patient, the vertebral artery (VA) in 6 patients, the VA plus the superior cerebellar artery (SCA) in 6 patients, the VA plus the anterior inferior cerebellar artery (AICA) in 12 patients, and the VA + SCA + AICA in 5 patients. Compared to non-VBD TN patients, those with TN due to VBD were significantly more likely to be male, to have TN of the left side, and to have hypertension (all P < 0.001). Mean age at surgery (P = 0.057) and symptom duration (P = 0.308) were comparable between the two groups. All 30 patients had immediate relief of facial pain after MVD and could stop medication. There were no postoperative complications. Over mean follow-up of 76.67 months, 3 patients had recurrence. The mean duration of pain-free survival was 70.77 months. In conclusions, TN due to VBD appears to be more likely in males, in those with hypertension, and to involve the left side. The interposition method performed by experienced and skilled neurosurgeons is a safe and effective treatment for TN due to VBD. Further studies are needed to analyze the associated long-term results and the pain recurrence rate among this special population.
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Affiliation(s)
- Feng Yu
- Department of Neurosurgery, PLA 960th Hospital, 25 Shifan Road, JinanShandong Province, 250031, China.
| | - Jia Yin
- Department of Neurosurgery, Tenth People's Hospital of Tongji University, No. 301 Middle Yanchang Road, Shanghai, 200072, China
| | - Pei-Gang Lu
- Department of Neurosurgery, PLA 960th Hospital, 25 Shifan Road, JinanShandong Province, 250031, China.
| | - Zhen-Yu Zhao
- Department of Neurosurgery, PLA 960th Hospital, 25 Shifan Road, JinanShandong Province, 250031, China
| | - Yong-Qiang Zhang
- Department of Neurosurgery, PLA 960th Hospital, 25 Shifan Road, JinanShandong Province, 250031, China
| | - Xue-Zhong Men
- Department of Neurosurgery, PLA 960th Hospital, 25 Shifan Road, JinanShandong Province, 250031, China
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Kulkarni A. Complex Neurovascular Syndromes: Is the Compressing Vessel Alone the Culprit? J Neurosci Rural Pract 2022; 13:283-289. [PMID: 35694065 PMCID: PMC9187378 DOI: 10.1055/s-0042-1744125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Abstract
Objective To describe and correlate the clinical, radiological, and intraoperative findings in patients with refractory neurovascular syndromes (NVS) not responding to conventional medical management and to determine the surgical outcome of the microvascular decompression (MVD) procedure.
Methods Medical records of 17 patients with NVS (trigeminal neuralgia [TN] = 14 and hemifacial spasm = 3) who underwent surgery for symptom relief from January 2018 to July 2021 with follow-up data (1–36 months) were retrospectively analyzed. Patient demographics (age, sex), clinical features (site, duration of symptoms, distribution), magnetic resonance imaging (MRI) findings, micro-neurosurgical details (type of surgery, obstructive vessel), and postoperative outcome and complications were recorded.
Statistical Analysis Descriptive analysis was performed. Variables were presented as either mean and standard deviation or frequency and percentages.
Results The mean (standard deviation) age of patients in our study cohort was 52.6 (12.2) years. TN was common in females (64.3%). The mean duration of symptoms was longer in patients with hemifacial spasms than in patients with TN (3.3 vs. 2.7 years). While the right side was commonly affected in TN (64.3%), the left side was common in hemifacial spasm (66.7%). Most common neuralgia symptoms were distributed along the V2V3 (maxillary and mandibular division) branches (42.9%). MRI revealed neurovascular conflict in nine patients, epidermoid tumor in three patients, classical vestibular schwannoma in two patients, and short cisternal segments in three patients. Intraoperatively, superior cerebellar artery was the main offending vessel in TN followed by anterior inferior cerebellar artery (AICA) and venous compression, while tortuous vertebral artery and AICA along with thickened entangled arachnoid were seen in hemifacial spasms. Almost all patients (88.2%) reported immediate postoperative complete pain relief. One patient died secondary to chest infection after a month.
Conclusion Arachnoid entanglement around the neurovascular bundle along with vascular compression over the cranial nerves is the main cause of NVS. Advanced micro-neurosurgical techniques used in MVD achieve excellent outcomes with improved quality of life. However, identifying the refractory NVS not responding to conventional medical management and early surgical management are paramount.
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Affiliation(s)
- Aniruddh Kulkarni
- Department of Neuro and Spine Surgery, Neuro World and Suchirayu Hospital, Hubli, Karnataka, India
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Di Carlo DT, Benedetto N, Marani W, Montemurro N, Perrini P. Microvascular decompression for trigeminal neuralgia due to vertebrobasilar artery compression: a systematic review and meta-analysis. Neurosurg Rev 2021; 45:285-294. [PMID: 34309748 DOI: 10.1007/s10143-021-01606-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 06/18/2021] [Accepted: 07/11/2021] [Indexed: 11/24/2022]
Abstract
Trigeminal neuralgia (TN) caused by vertebrobasilar artery (VBA) compression is a rare event, reported between 2 and 6% (Linskey et al. J Neurosurg 81:1-9,1992, Vanaclocha et al.World Neurosurg 96:516-529,2016) of the time. Microvascular decompression (MVD) is advised for drug-resistant pain and, although technically challenging, is associated with an excellent outcome in current literature (Apra et al.Neurosurg Rev 40:577-582,2017, Cruccuet al. EurJ Neurol 15:1013-1028,2008, Linskey et al. J Neurosurg 81:1-9,1992). The authors performed a systematic review and meta-analysis of the literature examining the rate of MVD for trigeminal neuralgia caused by VBA compression and the post-operative outcome. The systematic search of three databases was performed for studies published between January 1990 and October 2020. Random-effects meta-analysis was used to pool the analyzed outcomes, and random-effects meta-regression was used to examine the association between the effect size and potential confounders. Funnel plot followed by Egger's linear regression was used to test publication bias. We included 9 studies, and the overall rate of TN due to VBA compression was 3.4% (95% CI 2.5-4.3%, p < 0.01, I2 = 67.9%) among all MVD for TN. Immediately after surgery, 96% (p < 0.01, I2 = 0%) of patients were pain-free, and at last follow-up, approximately 93% (p < 0.01, I2 = 0%) of patients were classified as BNI I-II. Hearing impairment and facial numbness were the most common long-term complications ensuing MVD for VBA compression (5% and 13%, respectively). In conclusion, the surgical management of trigeminal neuralgia caused by VBA compression is associated with good outcome and low rate of post-operative complications. Further studies are needed to analyze the long-term results and the rate of pain recurrence among this population.
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Affiliation(s)
- Davide Tiziano Di Carlo
- Department of Neurosurgery, Azienda Ospedaliero Universitaria Pisana (AOUP), Via Paradisa 2, 56100, Pisa, Italy.
- Department of Translational Research On New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.
| | - Nicola Benedetto
- Department of Neurosurgery, Azienda Ospedaliero Universitaria Pisana (AOUP), Via Paradisa 2, 56100, Pisa, Italy
| | - Walter Marani
- Department of Neurosurgery, Azienda Ospedaliero Universitaria Pisana (AOUP), Via Paradisa 2, 56100, Pisa, Italy
| | - Nicola Montemurro
- Department of Neurosurgery, Azienda Ospedaliero Universitaria Pisana (AOUP), Via Paradisa 2, 56100, Pisa, Italy
| | - Paolo Perrini
- Department of Neurosurgery, Azienda Ospedaliero Universitaria Pisana (AOUP), Via Paradisa 2, 56100, Pisa, Italy
- Department of Translational Research On New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
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Martinez-Nunez AE, Fynke JE, Miller DJ. Under pressure: pressure-dependent pontine compression by a dolichoectasia basilar artery, a case report. Neuroradiol J 2021; 34:686-687. [PMID: 34028323 DOI: 10.1177/19714009211017785] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Basilar artery dolichoectasia can lead to ischemic stroke through thrombosis of small perforating vessels of the brainstem. Here we report the case of a patient with transient paramedian pontine syndrome in the setting of a hypertensive crisis, finding a dolichoectasia basilar artery compressing on the ventral surface of the pons. The outcome was near-complete resolution of deficits after blood pressure control. We propose increased basilar artery pulse pressure as a novel mechanism of transient compression of the brainstem by a dolichoectasia artery.
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Inoue T, Shitara S, Goto Y, Prasetya M, Fukushima T. Microvascular decompression for trigeminal neuralgia attributable to the vertebrobasilar artery: decompression technique and significance of separation from the nerve root. Acta Neurochir (Wien) 2021; 163:1037-1043. [PMID: 32901396 DOI: 10.1007/s00701-020-04563-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/28/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Separation of the vertebrobasilar artery (VBA) from the trigeminal nerve root in microvascular decompression (MVD) is technically challenging. This study aimed to review the clinical features of VBA involvement in trigeminal neuralgia and evaluate surgical decompression techniques in the long term. METHODS We retrospectively reviewed the surgical outcomes of 26 patients (4.4%) with VBA involvement in 585 consecutive MVDs for TGN using a Teflon roll for repositioning the VBA. The final operative status of the nerve decompression was categorized into two groups: the separation group and the contact group. Separation of the VBA from the nerve root was completed in 13 patients in the separation group, and slight vascular contact remained in the remaining 13 patients of the contact group. The clinical features of VBA-related TGN were investigated and the operative results were analyzed. RESULTS Multiple arteries are involved in neurovascular compression (NVC) in most cases. The anterior inferior cerebellar artery was the most common concomitant artery (69%). The site of the NVC varies from the root entry zone to the distal portion of the root. All patients were pain-free immediately after surgery and maintained medication-free status during the follow-up period, except for one patient (3.8%) who had recurrent facial pain 8 years after surgery. Postoperative facial numbness was observed in six patients (23%). Of these, one patient showed improvement within 3 months and the other five patients had persistent facial numbness (19.2%). Other neurological deficits include one dry eye, one diplopia due to trochlear nerve palsy, two decreased hearing (< 50 db), two facial weaknesses, and two cerebellar ataxia. Although most of them were transient, one dry eye, two hearing impairments, and one cerebellar ataxia became persistent deficits. Statistical analyses revealed no difference in surgical efficacy or complications in the long term between the two groups. CONCLUSIONS Slightly remaining vascular contact does not affect pain relief in the long term. Our study indicated that once the tense trigeminal nerve is loosened, further attempts to mobilize the VBA are not necessary.
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Affiliation(s)
- Takuro Inoue
- Department of Neurosurgery, Subarukai Koto Kinen Hospital, 2-1 Hiramatsu-cho, Higashiomi-shi, Shiga, 527-0134, Japan.
| | - Satoshi Shitara
- Department of Neurosurgery, Subarukai Koto Kinen Hospital, 2-1 Hiramatsu-cho, Higashiomi-shi, Shiga, 527-0134, Japan
| | - Yukihiro Goto
- Department of Neurosurgery, Saiseikai Shiga Hospital, Ritto, Shiga, Japan
| | - Mustaqim Prasetya
- Department of Neurosurgery, National Brain Center Hospital, Jakarta, Indonesia
| | - Takanori Fukushima
- Division of Neurosurgery, Duke University Medical Center, Durham, NC, USA
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Inoue T, Shitara S, Shima A, Goto Y, Prasetya M, Fukushima T. Location of the abducens nerve stretched by a tortuous vertebrobasilar artery in trigeminal neuralgia. Acta Neurochir (Wien) 2021; 163:1027-1036. [PMID: 33543330 DOI: 10.1007/s00701-021-04742-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 01/27/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Trigeminal neuralgia (TGN) caused by the vertebrobasilar artery (VBA) is uncommon. The abducens nerve root is frequently dislocated by a tortuous VBA near the trigeminal nerve root. This unusual location of the root is not well known. This study aimed to investigate the location of the stretched abducens nerve root. METHODS The objective is 26 patients with VBA-related TGN who underwent microvascular decompression (MVD). We retrospectively investigated the course of the abducens nerve root with magnetic resonance imaging (MRI) with three-dimensional (3D) imaging and surgical findings. The displacement of the abducens nerve root on the affected side was compared to the contralateral side. RESULTS The abducens nerve root was distorted by a tortuous VBA (46.2%) or the anterior inferior cerebellar artery (53.8%). The average length of the cisternal segment was stretched to 23.4 mm versus 12.4 mm on the contralateral side. The peak point of the elevated abducens nerve root was mostly located rostro-medial (65.4%) or caudo-medial (34.6%) to the neurovascular compression site of the trigeminal nerve with a mean distance of 9.1 mm. Contact with the trigeminal nerve root was observed in 7 patients (26.9%). Three-dimensional imaging was consistent with the surgical findings and useful in predicting the location of the abducens nerve root. No abducens nerve palsy was noted in our series. CONCLUSIONS The abducens nerve root is located near the trigeminal nerve root in VBA-related TGN. Preoperative understanding of the unusual course of the abducens nerve root contributes to avoiding accidental nerve injury during MVD.
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Affiliation(s)
- Takuro Inoue
- Department of Neurosurgery, Subarukai Koto Memorial Hospital, 2-1 Hiramatsu-cho, Higashiohmi-shi, Shiga, 527-0134, Japan.
| | - Satoshi Shitara
- Department of Neurosurgery, Subarukai Koto Memorial Hospital, 2-1 Hiramatsu-cho, Higashiohmi-shi, Shiga, 527-0134, Japan
| | - Ayako Shima
- Department of Neurosurgery, Subarukai Koto Memorial Hospital, 2-1 Hiramatsu-cho, Higashiohmi-shi, Shiga, 527-0134, Japan
| | - Yukihiro Goto
- Department of Neurosurgery, Saiseikai Shiga Hospital, Ritto, Shiga, Japan
| | - Mustaqim Prasetya
- Department of Neurosurgery, National Brain Center Hospital, Jakarta, Indonesia
| | - Takanori Fukushima
- Division of Neurosurgery, Duke University Medical Center, Durham, NC, USA
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Chaves JPG, DE Oliveira TVHF, Francisco AN, Trintinalha MDO, Carvalho NVP. Trigeminal neuralgia recurrence: a comparison of microvascular decompression and percutaneous balloon compression: a five years follow-up study. ARQUIVOS DE NEURO-PSIQUIATRIA 2021; 79:51-55. [PMID: 33656112 DOI: 10.1590/0004-282x-anp-2020-0115] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 06/15/2020] [Indexed: 01/03/2023]
Abstract
BACKGROUND About 50% of patients that suffer from trigeminal neuralgia do not experience sustained benefit from the use of oral medication. For their adequate management, a few surgical procedures are available. Of these, percutaneous balloon compression (PBC) and microvascular decompression (MD) are two of the most performed worldwide. In this retrospective study, we present the outcomes of these techniques through estimation of initial pain relief and subsequent recurrence rate. METHODS Thirty-seven patients with medically refractory trigeminal pain surgically treated at Hospital Cajuru, Curitiba, Brazil, with PBC, MD or both between 2013 and 2018 were enrolled into this retrospective study. The post-procedural rate for pain relief and recurrence and associations between patient demographics and outcomes were analyzed. RESULTS MD had an earlier recurrence time than balloon compression. Of the 37 patients, the mean age was 61.6 years, approximately one third were male and most had type I neuralgia. The most affected branch was the maxillary (V2). The time for recurrence after surgery was on average 11.8 months for PBC and 9.0 months for MD. Complications were seen only with microsurgery. CONCLUSIONS MD presented with a more precocious recurrence of pain than PBC in this article. Moreover, it had a higher recurrence rate than described in the literature as well, which is possibly explained by the type of graft (muscle) that was used to separate the neurovascular structures.
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Duong HD, Pham AH, Le TD, Chu HT, Pham DT, Van Dong H. Endoscopic-assisted microvascular decompression for trigeminal neuralgia secondary to vertebrobasilar dolichoectasia: A case report. Int J Surg Case Rep 2021; 81:105749. [PMID: 33735736 PMCID: PMC7988319 DOI: 10.1016/j.ijscr.2021.105749] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/04/2021] [Accepted: 03/09/2021] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION AND IMPORTANCE Trigeminal neuralgia (TN) secondary to vertebrobasilar dolichoectasia (VBD) was a rare condition. This paper reported a successful endoscopic-assisted microvascular decompression (MVD) for TN secondary to VBD. CASE PRESENTATION A 53-year-old male with a history of myocardial infarction and heart failure complained of left refractory facial pain three years prior to admission. His pain was intermittent, electrical-like, severe, sharp, and radiated along the maxillary and mandibular branches. He used carbamazepine 600 mg daily. Brain magnetic resonance imaging revealed a neurovascular conflict between VBD and the left trigeminal nerve. The endoscopic-assisted MVD was indicated. The shredded neurosurgical sponges were interposed between VBD and trigeminal nerve. The 0° and 30° rigid rod-lens endoscope was used to explore and confirm the complete decompression. Postoperatively, TN was disappeared entirely. At a three-month postoperative, no facial pain and paraesthesia were found. The patient discontinued carbamazepine permanently. CLINICAL DISCUSSION MVD was still the most effective treatment. An inspection of root entry zone (REZ) and complete MVD with a solely operating microscope were challenging due to the massive diameter of VBD and multiple offending arteries behind the VBD. However, the wide viewing field and high-quality resolution of endoscopes allowed better visualization of REZ and neurovascular conflicts behind neural structures and least cerebellar retraction. This is essential in case of less potential space created by VBD. CONCLUSION Endoscope-assisted MVD allowed better visualization of REZ and neurovascular conflicts behind neural structures and least cerebellar retraction in management of trigeminal neuralgia secondary to VBD.
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Affiliation(s)
- Ha Dai Duong
- Department of Surgery, Hanoi Medical University, Hanoi, Viet Nam; Department of Neurosurgery I, Viet Duc University Hospital, Hanoi, Viet Nam.
| | - Anh Hoang Pham
- Department of Surgery, Hanoi Medical University, Hanoi, Viet Nam; Department of Neurosurgery I, Viet Duc University Hospital, Hanoi, Viet Nam.
| | - Tam Duc Le
- Department of Surgery, Hanoi Medical University, Hanoi, Viet Nam; Department of Neurosurgery and Spine Surgery, Hanoi Medical University Hospital, Hanoi, Viet Nam.
| | - Hung Thanh Chu
- Department of Surgery, Hanoi Medical University, Hanoi, Viet Nam.
| | - Dung Tuan Pham
- Department of Neurosurgery I, Viet Duc University Hospital, Hanoi, Viet Nam.
| | - He Van Dong
- Department of Neurosurgery I, Viet Duc University Hospital, Hanoi, Viet Nam.
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Diana C, Kumar RD, Bodh R, Kumari S. Does the Surgical Intervention for Trigeminal Neuralgia Refractory to Pharmacotherapy Improve Quality-of-Life? - A Systematic Review. J Oral Maxillofac Surg 2021; 79:2227-2239. [PMID: 33838117 DOI: 10.1016/j.joms.2021.03.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 03/04/2021] [Accepted: 03/04/2021] [Indexed: 12/15/2022]
Abstract
PURPOSE Trigeminal neuralgia (TN) refractory to pharmacotherapy requires surgical interventions which vary from percutaneous procedure to microvascular decompression (MVD). The aim of the systematic review is to find evidence for the surgical treatment for TN with high success rate and low complications which improves the quality-of-life (QOL). METHODS A systematic literature search was made on published studies from MEDLINE, SCOPUS, Science direct, and Cochrane Library databases that report the available surgical treatment for TN up to March 2020 and studies referred in the selected papers. Relevant studies were selected based on predefined eligibility criteria. The primary outcome measured was success rate, pain relief and secondary outcome measured was QOL, recurrence and complication rate. RESULTS Ten studies with a sum of 11,154 individuals were included in this qualitative analysis. Seven studies compared MVD whereas 4 studies compared Gamma knife radiosurgery with other techniques like percutaneous balloon compression, percutaneous glycerol rhizotomy etc. The result showed that MVD has a considerable higher rate of initial pain-free outcomes (96.6%) followed by Gamma knife radiosurgery (96.2%), cryotherapy (95.4%), percutaneous balloon compression (87%), percutaneous glycerol rhizotomy (85%) and the lowest rate of cohorts who were never pain-free (1.7%).QOL was improved to 100% as a result of pain relief which was evaluated in only 2 studies . Overall the recurrence rate was 0.45 to 52%. MVD has lower rate of long-term recurrence 0.45 and 6.1% for 2 years and 8 years, respectively, and cryotherapy has the highest rate of 52% at 6 months. CONCLUSION Outcomes of the literature search showed that it lacks the knowledge to generally support 1 or the other treatment. Each type of TN requires individualized protocols to treat based on pain response which ultimately improve the QOL. We also propose there should be more reliable data reporting by using a universally acceptable pain scale for better analysis of treatment outcome.
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Affiliation(s)
- Cathrine Diana
- Assistant Professor, Department of Oral and Maxillofacial Surgery, CSI college of dental sciences and research, Madurai,Tamil Nadu, India
| | - Rudra Deo Kumar
- Resident, Department of Oral and Maxillofacial Surgery, Maulana Azad Institute of Dental Sciences, New Delhi, India.
| | - Ranjeet Bodh
- Medical Officer, Government of Himachal Pradesh, Himachal Pradesh, India
| | - Saroj Kumari
- Senior Resident, Department of Oral and Maxillofacial Surgery, Maulana Azad Institute of Dental Sciences, New Delhi, India
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Zheng JH, Sun K, Zhang HT, Xie YJ, Wang-Yang LX, Chen HY, Wang C. A Study on the Recurrence Rate of Trigeminal Neuralgia after MVD and the Related Factors. Skull Base Surg 2020; 81:572-578. [PMID: 33134025 DOI: 10.1055/s-0039-1692687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Accepted: 05/08/2019] [Indexed: 10/26/2022]
Abstract
The aim of this article is to investigate the related factors affecting the recurrence of microvascular decompression (MVD) after trigeminal neuralgia. We selected 400 cases of patients who met the diagnostic criteria of primary trigeminal neuralgia. The recurrence rate of patients and their statistical data related factors such as age, gender, disease duration, pain branches, vascular compression, patients, and complications (urban and rural), were collected. Of the 400 cases, 36 had recurrence after 2 years. In female group, the recurrence rate was (9.4%) higher than the recurrence rate in male group (8%); no recurrence rate of vascular compression group (40%) was higher than that of vascular compression group recurrence rate (8.6%); the recurrence rate of each branch in pain group from high to low was V 2-3 (13.4%), V 2 (12.5%), V 1 (9.1%), V 3 (7.5%), V 1-2-3 (4.4%), V 1-2 (4.3%), V 1-3 (0%); and the difference was statistically significant ( p < 0.05).Gender of the patient, the presence of vascular pressure, and the branch of pain could significantly affect the postoperative recurrence rate of trigeminal neuralgia in patients treated with simple MVD ( p < 0.05).
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Affiliation(s)
- Jiang-Hua Zheng
- The Fifth Affiliated Hospital of Zunyi Medical College, Zhuhai City, Guangdong, China
| | - Kai Sun
- The Third Military Medical University, Chongqing, PR China
| | - Hai-Tao Zhang
- Department of Neurosurgery, Jining No.1 People's Hospital, Jining City, China
| | - Yun-Jie Xie
- Department of Neurosurgery, Jining No.1 People's Hospital, Jining City, China
| | | | - Hao-Yang Chen
- Department of Neurosurgery, Jining No.1 People's Hospital, Jining City, China
| | - Chong Wang
- Department of Neurosurgery, Jining No.1 People's Hospital, Jining City, China
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Shulev YA, Gordienko KS, Trashin AV, Pechiborshch DA. [Microvascular decompression in trigeminal neuralgia following vertebrobasilar dolichoectasia]. ZHURNAL VOPROSY NEĬROKHIRURGII IMENI N. N. BURDENKO 2020; 84:50-63. [PMID: 33095533 DOI: 10.17116/neiro20208405150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To analyze our own results with literature data and substantiate microvascular decompression in patients with trigeminal neuralgia (TN) following vertebrobasilar dolichoectasia (VBD). MATERIAL AND METHODS A total of 504 patients with TN underwent surgery in 1998-2018. Patients with TN following VBD were included into a retrospective study. There were 4 men and 10 women aged 66 years (range 51-80). Outcomes were evaluated using BNI (Barrow Neurological Institute) scale. PubMed database was used for literature review. RESULTS TN caused by VBD was diagnosed in 2.8% of patients. Left-sided trigeminal pain was observed in 10 patients, right-sided - in 4 cases. One patient had concomitant hemifacial spasm. MVD followed by shielding of trigeminal nerve root with shredded Teflon was performed in all patients. We did not perform fixation of vertebrobasilar vessels. In one case, open partial trigeminal nerve root rhizotomy was done in addition to MVD. All patients had pain-free early postoperative period. There were no deaths or major complications. There was transient cranial nerve dysfunction lasting no more than three months (facial numbness - 1, IV nerve dysfunction - 1, VI nerve dysfunction - 1, transient partial facial palsy (House-Brackmann II) - 2, hipoacusia - 2 patients). There was no facial pain recurrence in our group. Mean follow-up period was 5.5 years (range 6 months - 16 years). CONCLUSION MVD is an effective option in the treatment of TN following VBD. In these cases, operation is technically more difficult compared to MVD with intact vessels. However, surgery is much more effective than all the available alternatives. The possibilities of vessel transposition in VBD with or without fixation are limited and ineffective. Teflon wool interposition at the points of conflict is an effective and sufficient technique.
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Affiliation(s)
- Yu A Shulev
- St. Petersburg City Multi-Field Hospital No. 2, St. Petersburg, Russia
| | - K S Gordienko
- St. Petersburg City Multi-Field Hospital No. 2, St. Petersburg, Russia
| | - A V Trashin
- St. Petersburg City Multi-Field Hospital No. 2, St. Petersburg, Russia
| | - D A Pechiborshch
- St. Petersburg City Multi-Field Hospital No. 2, St. Petersburg, Russia
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Liu JK, Shafiq A. Teflon bridge technique for endoscopic-assisted microvascular decompression of ectatic basilar artery and anterior inferior cerebellar artery for trigeminal neuralgia: operative video and technical nuances. NEUROSURGICAL FOCUS: VIDEO 2020; 3:V5. [PMID: 36285273 PMCID: PMC9542682 DOI: 10.3171/2020.7.focvid2032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 07/14/2020] [Indexed: 11/06/2022]
Abstract
In this illustrative operative video, the authors demonstrate a Teflon bridge technique to achieve safe transposition of a large, tortuous ectatic basilar artery (BA) and anterior inferior cerebellar artery (AICA) complex to decompress the root entry zone (REZ) of the trigeminal nerve in a 61-year-old woman with refractory trigeminal neuralgia via an endoscopic-assisted retractorless microvascular decompression. Postoperatively, the patient experienced immediate facial pain relief without requiring further medications. The Teflon bridge technique can be a safe alternative to sling techniques when working in narrow surgical corridors between delicate nerves and vessels. The operative technique and surgical nuances are demonstrated.The video can be found here: https://youtu.be/hIHX7EvZc1c
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Affiliation(s)
- James K. Liu
- Departments of Neurological Surgery and
- Otolaryngology–Head and Neck Surgery,
- Center for Skull Base and Pituitary Surgery, Neurological Institute of New Jersey, Rutgers University, New Jersey Medical School, Newark; Saint Barnabas Medical Center, RWJ Barnabas Health, Livingston, New Jersey
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Zhong J. Letter to the Editor Regarding "Microvascular Decompression of the Trigeminal Nerve with Petrous Sling Technique: Surgical Video". World Neurosurg 2020; 141:560-561. [PMID: 32871732 DOI: 10.1016/j.wneu.2020.06.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 06/16/2020] [Indexed: 11/27/2022]
Affiliation(s)
- Jun Zhong
- Department of Neurosurgery, XinHua Hospital (The Cranial Nerve Disorder Center of Shanghai), Shanghai JiaoTong University School of Medicine, Shanghai, China.
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20
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Liu MX, Zhong J, Xia L, Dou NN, Shi J. Treatment of Trigeminal Neuralgia with "Microvascular Decompression Plus" Technique. J Neurol Surg B Skull Base 2020; 82:e295-e299. [PMID: 34306952 DOI: 10.1055/s-0040-1710520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 03/15/2020] [Indexed: 10/24/2022] Open
Abstract
Objective Although microvascular decompression (MVD) has been widely accepted as an effective treatment of trigeminal neuralgia (TN), some patients have not been cured. To improve the postoperative outcome, the surgical procedure should be further refined. Design This is a retrospective study. Setting Present study conducted at a cranial nerve disorder center. Participants Clinical data were collected from patients with TN who had undergone surgery in our center, including 685 who had undergone traditional MVD and 576 who had undergone the "MVD plus" procedure, in which any vessel attached to the trigeminal nerve was freed away ("nerve-combing"), which was followed by intraoperative neurolysis. Main Outcome Measures Postoperative outcomes and complications in the two groups were compared. Results Among patients who underwent traditional MVD, the rates of immediate relief and 1-year relief were 89.9 and 86.9%, respectively; among patients who underwent MVD plus group, these rates were 95.1 and 94.6%, respectively ( p = 0.05). Patients who underwent MVD plus initially exhibited a higher rate of facial numbness ( p < 0.05), but this finding decreased over time and reached the same level as that in the traditional MVD group within 3 months ( p > 0.05). Conclusion Sufficient MVD with nerve-combing for the treatment of TN may produce a high rate of cure with less recurrence.
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Affiliation(s)
- Ming-Xing Liu
- Department of Neurosurgery, Qingdao Municipal Hospital, Qingdao, People's Republic of China
| | - Jun Zhong
- Department of Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, People's Republic of China
| | - Lei Xia
- Department of Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, People's Republic of China
| | - Ning-Ning Dou
- Department of Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, People's Republic of China
| | - Juanhong Shi
- Department of Pathology, Tongji Hospital, Shanghai Tongji University, Shanghai, People's Republic of China
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21
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Liu M, Zhong J. Mechanism underlying cranial nerve rhizopathy. Med Hypotheses 2020; 142:109801. [PMID: 32413700 DOI: 10.1016/j.mehy.2020.109801] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/09/2020] [Accepted: 05/02/2020] [Indexed: 12/27/2022]
Abstract
The cranial nerve rhizophathy, commonly presented with trigeminal neuralgia (TN) or hemifacial spasm (HFS), is a sort of hyperexcitability disorders with higher incidence in senior Asian. In this paper, a novel hypothesis on the pathogenesis is proposed and with which some clinical phenomena are explained. In those with crowded cerebellopontine angle in anatomy, the cranial nerve root and surrounding vessel are getting closer and closer to each other with aging and finally the neurovascular conflict happens. As the interfacial friction associated with pulse, the nerve incurs demyelination. Since this pathological change develops to a certain degree, some transmembrane proteins emerge from the nerve due to a series of signaling pathway mediated by inflammatory cytokines. Among them, voltage-gated (Nav1.3) and mechanosensitive (Piezo2) ion channels may play the important role. With pulsatile compressions, the Piezo2 drives the resting potential toward depolarization forming a state of subthreshold membrane potential oscillation. Under this condition, just an appropriate pressure can make the membrane potential easy to reach threshold and activate the sodium channel, eventually generating conductible action potentials from the axon. When these ectopic action potentials propagate to the central nerve system, an illusion of sharp pain is perceived; while to the nerve-muscle junctions, an attack of irregular muscle constriction occurs. This hypothesis can well explain the symptomatic manifestation of paroxysmal attacks aroused by emotions. When we get nervous or excited, our heart rate and blood pressure alter correspondingly, which may give rise to "a just right pressure" - with specific frequency, amplitude and angle - impacting the suffered nerve to reach the threshold of impulse ignition. After a successful microvascular decompression surgery, the trigger is gone (there is no compression anymore) and the symptom is alleviated. While the postoperative recurrence could be attributable to Teflon granuloma development if had been placed improperly - for this nerve root has been susceptible no matter to arteries or to neoplasms. Besides, it may illustrate the clinical phenomenon that secondary TN or HFS cases are seldom caused by schwannoma: with a proliferative sheath, the nerve root is actually insulated. By contrast, not all neurovascular contacts can lead to the onset: it demands an exclusive extent of demyelination firstly.
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Affiliation(s)
- Mingxing Liu
- Dept. Neurosurgery, QingDao Municipal Hospital, No.1 Jiaozhou Rd., Qingdao 266000, China.
| | - Jun Zhong
- Dept. Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, 1665 KongJiang Rd., Shanghai 200092, China.
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Nova CV, Zakrzewska JM, Baker SR, Riordain RN. Treatment Outcomes in Trigeminal Neuralgia-A Systematic Review of Domains, Dimensions and Measures. World Neurosurg X 2020; 6:100070. [PMID: 32123867 PMCID: PMC7036566 DOI: 10.1016/j.wnsx.2020.100070] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 01/16/2020] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Trigeminal neuralgia (TN) is a painful disorder characterized by sudden electric shock-like pain. It is a rare condition for which multiple treatments are available, including medical and surgical. The best treatment option is yet to be defined, and this is related to the lack of definition in the treatment outcomes and outcome measures. The aim of this systematic review was to summarize all the outcomes and outcomes measures that have been published to date and highlight variability in their use. METHODS We have conducted a literature search using a wide range of databases (1946-2019 for medical and 2008-2019 for surgical treatment), for all intervention studies in TN. Four hundred and sixty-seven studies were selected for data extraction on TN classification, data collection method, intervention, and treatment outcomes mapped to the Initiative on Methods, Measurement, and Pain Assessment in Clinical Trials (IMMPACT guidelines). RESULTS Most studies collected data on pain (n = 459) and side effects (n = 386) domains; however, very few collected data on the impact of treatment on physical (n = 46) and emotional functioning (n = 17) and on patient satisfaction (n = 35). There was high variability on outcome measures used for pain relief (n = 10), pain intensity (n = 9), and frequency of pain episodes (n = 3). CONCLUSIONS A clear definition of what are the important outcomes for patients with TN is essential. The choice of standardized outcome measures allowing for consistent reporting in TN treatment will allow for comparison of studies and facilitate treatment choice for patients and clinicians thus, improving health outcomes and reducing health care cost.
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Affiliation(s)
| | | | - Sarah R. Baker
- School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom
| | - Richeal Ni Riordain
- UCL Eastman Dental Institute, London, United Kingdom
- Department of Oral Medicine, Cork University Dental School and Hospital, Cork, Ireland
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Holste K, Chan AY, Rolston JD, Englot DJ. Pain Outcomes Following Microvascular Decompression for Drug-Resistant Trigeminal Neuralgia: A Systematic Review and Meta-Analysis. Neurosurgery 2020; 86:182-190. [PMID: 30892607 PMCID: PMC8253302 DOI: 10.1093/neuros/nyz075] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 02/14/2019] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Microvascular decompression (MVD) is a potentially curative surgery for drug-resistant trigeminal neuralgia (TN). Predictors of pain freedom after MVD are not fully understood. OBJECTIVE To describe rates and predictors for pain freedom following MVD. METHODS Using preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines, PubMed, Cochrane Library, and Scopus were queried for primary studies examining pain outcomes after MVD for TN published between 1988 and March 2018. Potential biases were assessed for included studies. Pain freedom (ie, Barrow Neurological Institute score of 1) at last follow-up was the primary outcome measure. Variables associated with pain freedom on preliminary analysis underwent formal meta-analysis. Odds ratios (OR) and 95% confidence intervals (CI) were calculated for possible predictors. RESULTS Outcome data were analyzed for 3897 patients from 46 studies (7 prospective, 39 retrospective). Overall, 76.0% of patients achieved pain freedom after MVD with a mean follow-up of 1.7 ± 1.3 (standard deviation) yr. Predictors of pain freedom on meta-analysis using random effects models included (1) disease duration ≤5 yr (OR = 2.06, 95% CI = 1.08-3.95); (2) arterial compression over venous or other (OR = 3.35, 95% CI = 1.91-5.88); (3) superior cerebellar artery involvement (OR = 2.02, 95% CI = 1.02-4.03), and (4) type 1 Burchiel classification (OR = 2.49, 95% CI = 1.32-4.67). CONCLUSION Approximately three-quarters of patients with drug-resistant TN achieve pain freedom after MVD. Shorter disease duration, arterial compression, and type 1 Burchiel classification may predict more favorable outcome. These results may improve patient selection and provider expectations.
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Affiliation(s)
- Katherine Holste
- Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan
| | - Alvin Y Chan
- Department of Neurosurgery, University of California, Irvine, Irvine, California
| | - John D Rolston
- Department of Neurosurgery, University of Utah, Salt Lake City, Utah
| | - Dario J Englot
- Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
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Liu J, Chen Z, Feng T, Jiang B, Yuan Y, Yu Y. Biomedical Glue Sling Technique in Microvascular Decompression for Trigeminal Neuralgia Caused by Atherosclerotic Vertebrobasilar Artery: A Description of Operative Technique and Clinical Outcomes. World Neurosurg 2019; 128:e74-e80. [DOI: 10.1016/j.wneu.2019.03.289] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 03/27/2019] [Accepted: 03/28/2019] [Indexed: 12/01/2022]
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Honey CM, Kaufmann AM. Trigeminal Neuralgia due to Vertebrobasilar Artery Compression. World Neurosurg 2018; 118:e155-e160. [DOI: 10.1016/j.wneu.2018.06.145] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 06/17/2018] [Accepted: 06/18/2018] [Indexed: 01/03/2023]
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Arai T, Yamaguchi K, Ishikawa T, Okada Y, Matsuoka G, Omura Y, Kawamata T. Decompression by Cutting the Tentorium for Trigeminal Neuralgia Caused by Vertebrobasilar Dolichoectasia. World Neurosurg 2018; 120:72-77. [PMID: 30098437 DOI: 10.1016/j.wneu.2018.07.282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 07/29/2018] [Accepted: 07/30/2018] [Indexed: 11/18/2022]
Abstract
BACKGROUND Trigeminal neuralgia caused by vertebrobasilar dolichoectasia (VBD) is rare and challenging to treat. Some authors have reported techniques for treating trigeminal neuralgia caused by VBD using various kinds of objects including clips, Proline slings, and titanium plates. METHODS Here, we report the effectiveness of cutting and splitting of the tentorium in 3 patients with trigeminal neuralgia. RESULTS The clinical results were good, the pain disappeared in all patients without medication, and no complications occurred. CONCLUSIONS In cases of trigeminal neuralgia caused by VBD, this technique may be as useful as traditional microvascular decompression around the trigeminal nerve root entry zone.
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Affiliation(s)
- Takashi Arai
- Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Koji Yamaguchi
- Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan.
| | - Tatsuya Ishikawa
- Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Yoshikazu Okada
- Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Go Matsuoka
- Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Yoshihiro Omura
- Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Takakazu Kawamata
- Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
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Mendelson ZS, Velagala JR, Kohli G, Heir GM, Mammis A, Liu JK. Pain-Free Outcomes and Durability of Surgical Intervention for Trigeminal Neuralgia: A Comparison of Gamma Knife and Microvascular Decompression. World Neurosurg 2018; 112:e732-e746. [DOI: 10.1016/j.wneu.2018.01.141] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 01/17/2018] [Accepted: 01/18/2018] [Indexed: 10/18/2022]
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Alabri H, Lewis WD, Manjila S, Alkhachroum AM, De Georgia MA. Acute Bilateral Ophthalmoplegia Due to Vertebrobasilar Dolichoectasia: A Report of Two Cases. AMERICAN JOURNAL OF CASE REPORTS 2017; 18:1302-1308. [PMID: 29213030 PMCID: PMC5729801 DOI: 10.12659/ajcr.904395] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Case series Patient: Male, 52 • Female, 68 Final Diagnosis: VBD Symptoms: Ophthalmoplegia Medication: — Clinical Procedure: — Specialty: Neurology
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Affiliation(s)
- Haifa Alabri
- Cleveland Medical Center, Case Western Reserve University, Cleveland, OH, USA
| | - Whitfield D Lewis
- Department of Neurology, Wayne State University/Detroit Medical Center, Detroit, MI, USA
| | - Sunil Manjila
- Department of Neurosurgery, West Side Medical Mall, Bay City, MI, USA
| | - Ayham M Alkhachroum
- Neurocritical Care, New York Presbyterian Columbia and Cornell, New York, NY, USA
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Ebrahimzadeh K, Bakhtevari MH, Shafizad M, Rezaei O. Hydrocephalus as a rare compilation of vertebrobasilar dolichoectasia: A case report and review of the literature. Surg Neurol Int 2017; 8:256. [PMID: 29184707 PMCID: PMC5680668 DOI: 10.4103/sni.sni_162_17] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 08/17/2017] [Indexed: 11/28/2022] Open
Abstract
Background: Vertebrobasilar dolichoectasia (VBD) is a rare disease characterized by significant expansion, elongation, and tortuosity of the vertebrobasilar arteries. Hydrocephalus is a rare compilation of VBD. Case Description: In this study, we report a 68-year-old male presenting with headache, progressive decreased visual acuity, memory loss, imbalance while walking, and episodes of urinary incontinency. The patient was diagnosed with dolichoectasia of basilar artery causing compression of the third ventricular outflow and thus, presenting with hydrocephalus documented with brain computed tomography scan and brain magnetic resonance imaging. The patient underwent surgical operation and ventriculoperitoneal shunt placement. Conclusion: In the case of hydrocephalus or normal pressure hydrocephalous, VBD should be considered as a differential diagnosis.
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Affiliation(s)
- Keveh Ebrahimzadeh
- Department of Neurosurgery, Loghman e Hakim hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehrdad H Bakhtevari
- Department of Neurosurgery, Loghman e Hakim hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Misagh Shafizad
- Department of Neurosurgery, Emam Khomeini Hospital, Mazandaran University of Medical Sciences, Sari, Iran
| | - Omidvar Rezaei
- Department of Neurosurgery, Loghman e Hakim hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Sun S, Jiang W, Wang J, Gao P, Zhang X, Jiao L, Liu W, Shu K, Lei T. Clinical analysis and surgical treatment of trigeminal neuralgia caused by vertebrobasilar dolichoectasia: A retrospective study. Int J Surg 2017; 41:183-189. [PMID: 28392449 DOI: 10.1016/j.ijsu.2017.04.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 04/01/2017] [Accepted: 04/04/2017] [Indexed: 10/19/2022]
Abstract
BACKGROUND Trigeminal neuralgia (TN) caused by vertebrobasilar dolichoectasia (VBD) is rare and needs further exploration. The purpose of this study is to investigate the clinical features and surgical treatment of TN caused by VBD. METHODS 15 patients with TN caused by VBD were included in our study. The patient data regarding clinical characteristics, neuroimaging presentations, intraoperative findings and treatment outcomes were analyzed retrospectively. Moreover, the previous relevant literature was reviewed simultaneously. Simple MVD was performed in 13 cases and MVD plus trigeminal nerve selective partial posterior rhizotomy (SPPR) was conducted in 2 patients. RESULTS Of all patients, 7 cases were female and 8 were male. The average age at operation was 60.8 years old (range, 35yrs-75yrs). 13 patients suffered from hypertension and 7 had a history of stoke. The extended and ectatic vetebrobasilar artery (VBA) was preliminarily identified in preoperative imaging presentations and finally confirmed during surgical procedure. The facial neuralgia disappeared immediately after surgery in all patients. All patients were relieved of pain (BNI score I) with an average of 29.8 months follow-up. CONCLUSIONS Our results suggest that simple MVD is effective for TN caused by VBD. MVD plus SPPR can be cautiously performed if patient has advanced age and is susceptible to numbness.
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Affiliation(s)
- Shoujia Sun
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, 1095#, Jiefang Avenue, Wuhan, Hubei 430030, PR China
| | - Wei Jiang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, 1095#, Jiefang Avenue, Wuhan, Hubei 430030, PR China
| | - Junwen Wang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, 1095#, Jiefang Avenue, Wuhan, Hubei 430030, PR China
| | - Pan Gao
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, 1095#, Jiefang Avenue, Wuhan, Hubei 430030, PR China
| | - Xiaojing Zhang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, 1095#, Jiefang Avenue, Wuhan, Hubei 430030, PR China
| | - Liwu Jiao
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, 1095#, Jiefang Avenue, Wuhan, Hubei 430030, PR China
| | - Weihua Liu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, 1095#, Jiefang Avenue, Wuhan, Hubei 430030, PR China
| | - Kai Shu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, 1095#, Jiefang Avenue, Wuhan, Hubei 430030, PR China.
| | - Ting Lei
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, 1095#, Jiefang Avenue, Wuhan, Hubei 430030, PR China
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Apra C, Lefaucheur JP, Le Guérinel C. Microvascular decompression is an effective therapy for trigeminal neuralgia due to dolichoectatic basilar artery compression: case reports and literature review. Neurosurg Rev 2017; 40:577-582. [PMID: 28091827 DOI: 10.1007/s10143-017-0812-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 01/01/2017] [Accepted: 01/05/2017] [Indexed: 10/20/2022]
Affiliation(s)
- Caroline Apra
- Service de Neurochirurgie, Centre Hospitalier Universitaire Henri Mondor, Créteil, France. .,Université Pierre et Marie Curie Paris 6, Sorbonne Universités, Paris, France.
| | - Jean-Pascal Lefaucheur
- Service de Physiologie et Explorations Fonctionnelles, Centre Hospitalier Universitaire Henri Mondor, Créteil, France
| | - Caroline Le Guérinel
- Service de Neurochirurgie, Centre Hospitalier Universitaire Henri Mondor, Créteil, France.,Service de neurochirurgie, Fondation Rothschild, Paris, France
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Abstract
Trigeminal neuralgia (TN) is a sudden, severe, brief, stabbing, and recurrent pain within one or more branches of the trigeminal nerve. Type 1 as intermittent and Type 2 as constant pain represent distinct clinical, pathological, and prognostic entities. Although multiple mechanism involving peripheral pathologies at root (compression or traction), and dysfunctions of brain stem, basal ganglion, and cortical pain modulatory mechanisms could have role, neurovascular conflict is the most accepted theory. Diagnosis is essentially clinically; magnetic resonance imaging is useful to rule out secondary causes, detect pathological changes in affected root and neurovascular compression (NVC). Carbamazepine is the drug of choice; oxcarbazepine, baclofen, lamotrigine, phenytoin, and topiramate are also useful. Multidrug regimens and multidisciplinary approaches are useful in selected patients. Microvascular decompression is surgical treatment of choice in TN resistant to medical management. Patients with significant medical comorbidities, without NVC and multiple sclerosis are generally recommended to undergo gamma knife radiosurgery, percutaneous balloon compression, glycerol rhizotomy, and radiofrequency thermocoagulation procedures. Partial sensory root sectioning is indicated in negative vessel explorations during surgery and large intraneural vein. Endoscopic technique can be used alone for vascular decompression or as an adjuvant to microscope. It allows better visualization of vascular conflict and entire root from pons to ganglion including ventral aspect. The effectiveness and completeness of decompression can be assessed and new vascular conflicts that may be missed by microscope can be identified. It requires less brain retraction.
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Affiliation(s)
- Yad Ram Yadav
- Department of Neurosurgery, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Yadav Nishtha
- Department of Radio Diagnosis and Imaging, All India Institute of Medical Science, New Delhi, India
| | - Pande Sonjjay
- Department of Radio Diagnosis and Imaging, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Parihar Vijay
- Department of Neurosurgery, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Ratre Shailendra
- Department of Neurosurgery, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Khare Yatin
- Department of Neurosurgery, NSCB Medical College, Jabalpur, Madhya Pradesh, India
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Vanaclocha V, Herrera JM, Martínez-Gómez D, Rivera-Paz M, Calabuig-Bayo C, Vanaclocha L. Is There a Safe and Effective Way to Treat Trigeminal Neuralgia Associated with Vertebrobasilar Dolichoectasia? Presentation of 8 Cases and Literature Review. World Neurosurg 2016; 96:516-529. [DOI: 10.1016/j.wneu.2016.08.085] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Revised: 08/19/2016] [Accepted: 08/20/2016] [Indexed: 10/21/2022]
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Samim M, Goldstein A, Schindler J, Johnson MH. Multimodality Imaging of Vertebrobasilar Dolichoectasia: Clinical Presentations and Imaging Spectrum. Radiographics 2016; 36:1129-46. [PMID: 27315445 DOI: 10.1148/rg.2016150032] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Vertebrobasilar dolichoectasia (VBD) is characterized by ectasia, elongation, and tortuosity of the vertebrobasilar arteries, with a high degree of variability in clinical presentation. The disease origin is believed to involve degeneration of the internal elastic lamina, thinning of the media secondary to reticular fiber deficiency, and smooth muscle atrophy. The prevalence of VBD is variable, ranging from 0.05% to 18%. Most patients with VBD are asymptomatic and their VBD is detected incidentally; however, it is important to recognize that the presence of symptoms, which can lead to clinically significant morbidity and sometimes mortality, may influence clinical management. The most important clinical presentations of VBD are vascular events, such as ischemic stroke and catastrophic intracranial hemorrhage, or progressive compressive symptoms related to compression of adjacent structures, including the cranial nerves, brainstem, or third ventricle, causing hydrocephalus. The imaging diagnostic criteria for computed tomography and magnetic resonance (MR) imaging include three quantitative measures of basilar artery morphology: laterality score, height of bifurcation, and basilar artery diameter. The authors review the relevant anatomy and disease origin of VBD; pertinent imaging findings, including intraluminal thrombus and relation to the cranial nerves; and imaging pitfalls, such as the hyperintense vessel sign on MR images and artifacts related to slow flow in the dolichoectatic vessel. In addition, clinical manifestations, the role of radiology in diagnosis and management of this condition, and available management options are reviewed. (©)RSNA, 2016.
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Affiliation(s)
- Mohammad Samim
- From the Departments of Diagnostic Radiology (M.S., A.G., M.H.J.) and Neurology (J.S.), Yale University School of Medicine, 20 York St, New Haven, CT 06510
| | - Alan Goldstein
- From the Departments of Diagnostic Radiology (M.S., A.G., M.H.J.) and Neurology (J.S.), Yale University School of Medicine, 20 York St, New Haven, CT 06510
| | - Joseph Schindler
- From the Departments of Diagnostic Radiology (M.S., A.G., M.H.J.) and Neurology (J.S.), Yale University School of Medicine, 20 York St, New Haven, CT 06510
| | - Michele H Johnson
- From the Departments of Diagnostic Radiology (M.S., A.G., M.H.J.) and Neurology (J.S.), Yale University School of Medicine, 20 York St, New Haven, CT 06510
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Grigoryan YA, Sitnikov AR, Grigoryan GY. Trigeminal neuralgia and hemifacial spasm associated with vertebrobasilar artery tortuosity. ZHURNAL VOPROSY NEIROKHIRURGII IMENI N. N. BURDENKO 2016; 80:44-56. [PMID: 27029331 DOI: 10.17116/neiro201680144-56] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
BACKGROUND The tortuous vertebrobasilar artery (TVBA) often causes neurovascular conflicts in patients with trigeminal neuralgia (TN) and hemifacial spasm (HFS). Implementation of microvascular decompression (MVD) in these circumstances is hindered due to stiffness of the enlarged and dilated arteries and is often accompanied by poor outcomes. The surgical strategy in cases of trigeminal neuralgia and hemifacial spasm associated with the TVBA should be clarified in order to achieve good outcomes. MATERIAL AND METHODS MVD was performed in 268 TN patients and 71 HFS patients. The TVBA as a compressing vessel was identified in 30 cases (11 cases of TN, 18 cases of HFS, and 1 patient with painful tic convulsif). All patients underwent MVD and a retrospective analysis of clinical outcomes. RESULTS Compression caused by the vertebral artery was found in all HFS patients and 4 TN patients, and compression caused by the basilar artery was observed in 7 TN cases. Additional compression of the cranial nerve root entry/exit zone by cerebellar vessels was observed in 21 cases. The TVBA was mobilized by dissection of arachnoid adhesions between the vessel and the brainstem and retracted laterally. Then, the TVBA was retracted from the brainstem to the caudorostral direction. These manipulations resulted is "spontaneous" decompression of the cranial nerves without placing prostheses between the artery and the nerve root entry/exit zone. In all cases (except two), the displaced TVBA was fixed between the enlarged artery and brainstem using pieces of the patient's muscle and adipose tissues, followed by application of fibrin glue. A cylindrical silicone prosthesis was used in 1 case. In another case, the TVBA was retracted using a fascial loop fixed to the dura mater of the petrous pyramid by means of a suture. After application of MVD, TN and HFS symptoms completely regressed. There were several transient complications and 2 cases of permanent hearing loss. No clinical symptom recurrence was observed. CONCLUSION MVD is the most effective surgical treatment of TN and HFS caused by the TVBA. The TVBA should be retracted from the brainstem without placing prostheses in the nerve root entry/exit zone.
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Affiliation(s)
- Yu A Grigoryan
- Federal Center of Medicine and Rehabilitation of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - A R Sitnikov
- Federal Center of Medicine and Rehabilitation of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - G Yu Grigoryan
- Federal Center of Medicine and Rehabilitation of the Ministry of Health of the Russian Federation, Moscow, Russia
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A Successful Treatment of Coexistent Trigeminal Neuralgia and Ipsilateral Superior Cerebellar Artery Aneurysm. J Craniofac Surg 2015; 26:1270-2. [DOI: 10.1097/scs.0000000000001758] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Effectiveness and Safety of Microvascular Decompression Surgery for Treatment of Trigeminal Neuralgia. J Craniofac Surg 2014; 25:1413-7. [DOI: 10.1097/scs.0000000000000984] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Wang YN, Zhong J, Zhu J, Dou NN, Xia L, Visocchi M, Li ST. Microvascular decompression in patients with coexistent trigeminal neuralgia, hemifacial spasm and glossopharyngeal neuralgia. Acta Neurochir (Wien) 2014; 156:1167-71. [PMID: 24604137 DOI: 10.1007/s00701-014-2034-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Accepted: 02/10/2014] [Indexed: 11/30/2022]
Abstract
BACKGROUND Trigeminal neuralgia(TN), hemifacial spasm (HFS) and glossopharyngeal neuralgia (GPN) were referred to hyperactive dysfunction syndromes (HDSs) of the cranial nerves. These symptoms may occur synchronously or metachronously, but the combination of three diseases is extremely rare. METHODS From 2007 through 2013, six patients with coexistent GPN-HFS-TN were treated in our department. The combined symptoms occurred on the same side in three and on both sides in three. These patients underwent nine microvascular decompression (MVD) procedures in total. The clinical data including operative findings were respectively analyzed, and the etiological factors as well as treatment strategies were discussed. RESULTS Intraoperatively, in all the cases a small posterior fossa was found, which was crowded with cranial nerve roots and cerbellar vesels. Postoperatively, spasm was stopped immediately in four and within 3 months in two; the symptom of TN disappeared immediately in four and within 2 weeks in two; the symptom of GPN was relieved immediately in four and improved with medication in two. During the up to 77 months' follow-up, no changes, recurrence or any dysfunctions of cranial nerves were observed in any of the patients. CONCLUSIONS The combination of HFS-TN-GPN is extremely rare and is often associated with a looped VBA and a smaller posterior fossa. However, MVD is still a good choice for treatment. To achieve a safe and effective outcome, dissection of the caudal cranial nerves and proximal transposition of the vertebral artery before decompression of the affected nerve roots are strongly recommended.
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Affiliation(s)
- Yong-Nan Wang
- Department of Neurosrugery, XinHua Hospital (The Cranial Nerve Disease Center of Shanghai), Shanghai JiaoTong University School of Medicine, Shanghai, 200092, China,
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Zhong J, Zhu J, Sun H, Dou NN, Wang YN, Ying TT, Xia L, Liu MX, Tao BB, Li ST. Microvascular decompression surgery: surgical principles and technical nuances based on 4000 cases. Neurol Res 2014; 36:882-93. [PMID: 24597913 DOI: 10.1179/1743132814y.0000000344] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
BACKGROUND As an etiological treatment of trigeminal neuralgia (TN) and hemifacial spasm (HFS), microvascular decompression (MVD) has been popularized around the world. However, as a functional operation in the cerebellopontine angle (CPA), this process can be risky and the postoperative outcomes might not be good enough sometimes. OBJECTIVE In order to obtain a better result with less complication, this surgery should be further addressed. METHODS With experience of more than 4000 MVDs, we have gained knowledge about the operative technique. Through abundant intraoperative photos, each step of the procedure was demonstrated in detail and the surgical strategy was focused. RESULTS The principle of MVD is to separate the nerve-vessel confliction rather than isolate it with prostheses. A prompt identification of the conflict site is important, which hinges on a good exposure. A satisfactory working space can be established by an appropriate positioning of the patient's head and a proper craniectomy as well as a rational approach. A sharp dissection of arachnoids leads to a maximal visualization of the entire intracranial course of the nerve root. All the vessels contacting the trigeminal or facial nerve should be treated. Intraoperative electrophysiological mentoring is helpful to distinguish the offending artery for hemifacial cases. CONCLUSION MVD is an effective treatment for the patient with TN or HFS. Immediate relief can be achieved by an experienced neurosurgeon with good knowledge of regional anatomy. A safe surgery is the tenet of MVD, and accordingly, no single step of the procedure should be ignored.
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Yuan YJ, Xu K, Luo Q, Yu JL. Research progress on vertebrobasilar dolichoectasia. Int J Med Sci 2014; 11:1039-48. [PMID: 25136259 PMCID: PMC4135226 DOI: 10.7150/ijms.8566] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Accepted: 07/21/2014] [Indexed: 11/14/2022] Open
Abstract
Vertebrobasilar dolichoectasia (VBD) is a rare disease characterized by significant expansion, elongation, and tortuosity of the vertebrobasilar arteries. Current data regarding VBD are very limited. Here we systematically review VBD incidence, etiology, characteristics, clinical manifestations, treatment strategies, and prognosis. The exact incidence rate of VBD remains unclear, but is estimated to be 1.3% of the population. The occurrence of VBD is thought to be due to the cooperation of multiple factors, including congenital factors, infections and immune status, and degenerative diseases. The VBD clinical manifestations are complex with ischemic stroke as the most common, followed by progressive compression of cranial nerves and the brain stem, cerebral hemorrhage, and hydrocephalus. Treatment of VBD remains difficult. Currently, there are no precise and effective treatments, and available treatments mainly target the complications of VBD. With the development of stent technology, however, it may become an effective treatment for VBD.
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Affiliation(s)
- Yong-Jie Yuan
- Department of Neurosurgery, Jilin University First Hospital, Changchun 130021, China
| | - Kan Xu
- Department of Neurosurgery, Jilin University First Hospital, Changchun 130021, China
| | - Qi Luo
- Department of Neurosurgery, Jilin University First Hospital, Changchun 130021, China
| | - Jin-Lu Yu
- Department of Neurosurgery, Jilin University First Hospital, Changchun 130021, China
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Sakakura K, Akutsu H, Yamamoto T, Masuda Y, Ishikawa E, Matsumura A. Trigeminal neuralgia in a patient with Marfan syndrome: case report. Neurol Med Chir (Tokyo) 2013; 55:101-5. [PMID: 24390183 PMCID: PMC4533392 DOI: 10.2176/nmc.cr.2013-0072] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Marfan syndrome can demonstrate tortuous and elongated intracranial arteries. However, these arteries rarely cause neurovascular compression resulting in hemifacial spasm or trigeminal neuralgia. The authors report a 33-year-old woman who was diagnosed as Marfan syndrome, suffered from trigeminal neuralgia. Magnetic resonance (MR) angiography showed tortuous and elongated left vertebral artery (VA). The coronal section of three dimensional (3D) MR cisternography with contrast enhancement showed that the left trigeminal nerve was compressed from underneath by the tortuous and elongated left VA. After successful surgery of microvascular decompression, the patient’s symptom resolved and no recurrence was encountered. Neurosurgeons should not only be aware of hemifacial spasm but also of trigeminal neuralgia caused by elongated vessels in a patient with Marfan syndrome, although it is an extremely rare condition. In addition, offending vessel is not atherosclerotic in younger patients unlike usual cases of trigeminal neuralgia. Thus, microvascular decompression can be easier than usual cases. Care should be taken to prevent arterial dissection during transposition by using some technical tips.
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Affiliation(s)
- Kazuki Sakakura
- Department of Neurosurgery, Faculty of Medicine, University of Tsukuba
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Broggi M, Acerbi F, Ferroli P, Tringali G, Schiariti M, Broggi G. Microvascular decompression for neurovascular conflicts in the cerebello-pontine angle: which role for endoscopy? Acta Neurochir (Wien) 2013; 155:1709-16. [PMID: 23884611 DOI: 10.1007/s00701-013-1824-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Accepted: 07/10/2013] [Indexed: 11/26/2022]
Abstract
BACKGROUND Microvascular decompression (MVD) is the surgical intervention designed to resolve neurovascular conflicts (NCs) in the cerebellopontine angle (CPA). Today, endoscopy is commonly used in many neurosurgical procedures. This study aims to retrospectively assess the usefulness of endoscopy during MVD, focusing on microscopic endoscopic-assisted (MEA) MVD. METHODS Between January 2010 and December 2012, 141 patients underwent MVD procedures: 119 (84.5 %) were affected by idiopathic trigeminal neuralgia (TN), 20 (14 %) by hemifacial spasm (HFS), 1 by glossopharyngeal neuralgia (GN) and 1 by TN and GN simultaneously; 128 (91 %) MVD were first time procedures, while 13 (9 %) were recurrences (10 TN, 3 HFS). Visualization techniques used were: pure microscopic in 89 (63 %) cases, fully endoscopic in 12 (8.5 %) and MEA in 40 (28.5 %). The MEA technique was used when the conflict was not clearly identified under microscopic view or it was not certainly resolved. RESULTS Overall, a NC was found in 130 (92 %) cases, while 11 patients had no intraoperative evidence of NC. Considering specifically the 40 MEA cases, 12 (8.5 % overall) conflicts not clearly visible with the microscope were revealed and solved, a complete conflict resolution was confirmed in 13 (9 % overall) cases, while an incomplete conflict resolution was shown in four cases (3 % overall). CONCLUSION Pure microscopic MVD remains the technique of choice. The endoscope is a useful adjunctive imaging tool in confirming NCs identified by the microscope, revealing conflicts missed by the microscopic survey alone and verifying adequate nerve decompression.
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Affiliation(s)
- Morgan Broggi
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, 20133, Milano, Italy.
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Microvascular Decompression for the Patient with Painful Tic Convulsif After Bell Palsy. J Craniofac Surg 2013; 24:e286-9. [DOI: 10.1097/scs.0b013e31828f2b39] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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