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Bayda L, Weinstein M, Mirson A, Getter N, Zer-Zion M, Sepkuty J, Levy M. Multi-metric predictors of radiofrequency-treated trigeminal neuralgias. Brain Commun 2024; 6:fcae216. [PMID: 39007040 PMCID: PMC11245711 DOI: 10.1093/braincomms/fcae216] [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: 03/22/2023] [Revised: 01/03/2024] [Accepted: 06/26/2024] [Indexed: 07/16/2024] Open
Abstract
Evaluation of neurovascular compression-related trigeminal neuralgia (NVC-TN) and its resolution through microvascular decompression are demonstrable by MRI and intraoperatively [Leal et al. (Atrophic changes in the trigeminal nerves of patients with trigeminal neuralgia due to neurovascular compression and their association with the severity of compression and clinical outcomes: Clinical article. J Neurosurg. 2014;120(6):1484-1495)]. Non-NVC-TNs treated by radiofrequency (RF) lack such detectable features. Multimodal integration of pre-surgical diffusion tensor imaging (DTI) and volumetry (VOL) with intraoperative neurophysiology (ION) could improve understanding and performance of RF among non-NVC-TN. We hypothesized that DTI disturbances' localization (central relay versus peripherally) rather than their values bares the most significant predictive value upon outcome and that ION could quantitatively both localize and assist RF of affected branches. The first pre-surgical step evaluated the differences between affected and non-affected sides (by DTI and VOL). Four TN's segments were studied, from peripheral to central relay: Meckel's cave-trigeminal ganglion (MC-TGN), cisternal portion, root entry zone (REZ) and spinal tract [Lin et al. (Flatness of the Meckel cave may cause primary trigeminal neuralgia: A radiomics-based study. J Headache Pain. 2021;22(1):104)]. In the second intraoperative step, we used both ION and patient's testimonies to confirm the localization of the affected branch, evolving hypoesthesia, pain reduction and monitoring of adverse effects [Sindou (Neurophysiological navigation in the trigeminal nerve: Use of masticatory responses and facial motor responses evoked by electrical stimulation of the trigeminal rootlets for RF-thermorhizotomy guidance. Stereotact Funct Neurosurg. 1999;73(1-4):117-121); Sindou and Tatli (Traitement de la névralgie trigéminale par thermorhizotomie. Neurochirurgie. 2009;55(2):203-210)]. Last and postoperatively, each data set's features and correlation with short-term (3 months) and long-term outcomes (23.5 ± 6.7 months) were independently analysed and blind to each other. Finally, we designed a multimodal predictive model. Sixteen non-NVC-TN patients (mean 53.6 ± SD years old) with mean duration of 6.56 ± 4.1 years (75% right TN; 43.8% V3) were included. After 23.5 ± 6.7 months, 14/16 were good responders. Age, gender, TN duration and side/branch did not correlate with outcomes. Affected sides showed significant DTI disturbances in both peripheral (MC-TGNs) and central-relay (REZ) segments. However, worse outcome correlated only with REZ-located DTI disturbances (P = 0.04; r = 0.53). Concerning volumetry, affected MC-TGNs were abnormally flatter: lower volumes and surface area correlated with worse outcomes (both P = 0.033; r = 0.55 and 0.77, respectively). Intraoperatively, ION could not differ the affected from non-affected branch. However, the magnitude of ION's amplitude reduction (ION-Δ-Amplitude) had the most significant correlation with outcomes (r = 0.86; P < 0.00006). It was higher among responders [68.4% (50-82%)], and a <40% reduction characterized non-responders [36.7% (0-40%)]. Multiple regression showed that ION-Δ-Amplitude, centrally located only REZ DTI integrity and MC-TGN flatness explain 82.2% of the variance of post-RF visual analogue score. Integration of pre-surgical DTI-VOL with ION-Δ-Amplitude suggests a multi-metric predictive model of post-RF outcome in non-NVC-TN. In multiple regression, central-relay REZ DTI disturbances and insufficiently reduced excitability (<40%) predicted worse outcome. Quantitative fine-tuned ION tools should be sought for peri-operative evaluation of the affected branches.
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Affiliation(s)
- Liron Bayda
- Assuta Medical Centre, Imaging Unit, 6971028 Tel Aviv, Israel
| | - Maya Weinstein
- Assuta Medical Centre, Functional Neurosurgery Unit, 6971028 Tel Aviv, Israel
| | - Alexei Mirson
- Assuta Medical Centre, Functional Neurosurgery Unit, 6971028 Tel Aviv, Israel
| | - Nir Getter
- Assuta Medical Centre, Functional Neurosurgery Unit, 6971028 Tel Aviv, Israel
- Department of Cognitive and Brain Sciences, Ben-Gurion University of the Negev, 8410501 Be’er Sheva, Israel
- Department of Psychology and Education, The Open University of Israel, 4353701 Ra’anana, Israel
| | - Moshe Zer-Zion
- Assuta Medical Centre, Pain and Anaesthesia Unit, 6971028 Tel Aviv, Israel
| | - Jehuda Sepkuty
- Assuta Medical Centre, Functional Neurosurgery Unit, 6971028 Tel Aviv, Israel
- Neurology, Johns Hopkins University, Baltimore, MD 21218-2683, USA
| | - Mikael Levy
- Assuta Medical Centre, Functional Neurosurgery Unit, 6971028 Tel Aviv, Israel
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Castelli N, Innocenti N, Ferroli P, Saladino A, Broggi G, Tramacere I, Carone G, Levi V, Rizzi M, Nazzi V. Microvascular decompression for trigeminal neuralgia: a single-center experience with 516 cases, including 32 patients with multiple sclerosis. Acta Neurochir (Wien) 2023; 165:3887-3893. [PMID: 37945996 DOI: 10.1007/s00701-023-05872-4] [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: 08/18/2023] [Accepted: 10/24/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND AND OBJECTIVES To evaluate the effectiveness and long-term pain relief of microvascular decompression (MVD) for "typical" trigeminal neuralgia (TN), including patients affected by multiple sclerosis (MS). METHODS Between January 2011 and December 2022, 516 consecutive patients presenting with trigeminal neuralgia and a diagnosed neurovascular conflict at MRI underwent microvascular decompression surgery in our neurosurgery department. Ten surgeons with different ages and experiences performed the surgical procedures. Pain improvement, re-operation rate, and complication rates were retrospectively collected and analyzed. RESULTS 516 patients were included (214 males 302 females, ranging from 12 to 87 years), including 32 patients with multiple sclerosis. Neurovascular compression was found in all cases during surgery. Barrow Neurological Institute pain intensity scale with a score of I was achieved in 404 patients (78,29%), a score II or III was obtained in 100 cases (19,37%) and a score of IV and V in 12 patients (2,32%). In the multiple sclerosis subset of patients, a BNI score of I was achieved in 21/32 (65.62%). The pain recurrence rate of our series was 15.11%. The follow-up for all patients was at least of 13 months, with a mean follow-up of 41.93 months (± 17.75 months, range 13-91 months). Neither intraoperative mortality nor major intra-operative complications occurred in the analyzed series. The re-operation rate was 12.98%. Thermorhizotomy, percutaneous balloon compression, cyber-knife radiosurgery, or new MVD were the surgical techniques utilized for re-operations. CONCLUSIONS MVD may be considered an effective and safe surgical technique for TN, and in patients affected by multiple sclerosis, it may be proposed even if a less favorable outcome has to be expected with respect to classic TN patients. Larger studies focusing on the relation of multiple sclerosis with neurovascular compression are required.
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Affiliation(s)
- Nicolò Castelli
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.
| | - Niccolò Innocenti
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Paolo Ferroli
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Andrea Saladino
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Giovanni Broggi
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Irene Tramacere
- Department of Research and Clinical Development, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Giovanni Carone
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Vincenzo Levi
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Michele Rizzi
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Vittoria Nazzi
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
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Demartini C, Greco R, Zanaboni AM, Francavilla M, Facchetti S, Tassorelli C. URB937 Prevents the Development of Mechanical Allodynia in Male Rats with Trigeminal Neuralgia. Pharmaceuticals (Basel) 2023; 16:1626. [PMID: 38004491 PMCID: PMC10675761 DOI: 10.3390/ph16111626] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/03/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
Cannabinoids are proposed for alleviating neuropathic pain, but their use is limited by cannabimimetic side effects. The inhibition of the fatty acid amide hydrolase (FAAH), the degrading enzyme of the endocannabinoid anandamide, has received attention as an alternative to cannabinoids in the treatment of neuropathic pain. Here, we investigated the effect of URB937, a blood-brain barrier impermeant FAAH inhibitor, on experimentally induced mechanical allodynia in an animal model of trigeminal neuralgia. Male Sprague-Dawley rats were subjected to chronic constriction injury of the infraorbital nerve (IoN-CCI); operated animals were treated sub-chronically with URB937 (1 mg/kg, i.p.) or vehicle before or after trigeminal mechanical allodynia establishment. We also assayed mRNA expression levels of the pain neuropeptide calcitonin gene-related peptide (CGRP) and cytokines in the medulla, cervical spinal cord, and trigeminal ganglion ipsilateral to IoN-CCI using rt-PCR. URB937 treatment prevented the development of mechanical allodynia and IoN-CCI-induced changes in mRNA expression levels of CGRP and cytokines in the evaluated areas. When administered after allodynia development, URB937 prevented IoN-CCI-induced changes in CGRP and cytokine gene expression; this was not associated with a significant abrogation of the mechanical allodynia. These findings suggest that URB937 may counteract, but not reverse, the development of allodynia in trigeminal neuralgia. Further research is needed to elucidate the underlying mechanisms.
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Affiliation(s)
- Chiara Demartini
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy; (A.M.Z.); (M.F.); (C.T.)
- Section of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy; (R.G.); (S.F.)
| | - Rosaria Greco
- Section of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy; (R.G.); (S.F.)
| | - Anna Maria Zanaboni
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy; (A.M.Z.); (M.F.); (C.T.)
- Section of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy; (R.G.); (S.F.)
| | - Miriam Francavilla
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy; (A.M.Z.); (M.F.); (C.T.)
- Section of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy; (R.G.); (S.F.)
| | - Sara Facchetti
- Section of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy; (R.G.); (S.F.)
| | - Cristina Tassorelli
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy; (A.M.Z.); (M.F.); (C.T.)
- Section of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy; (R.G.); (S.F.)
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Li S, Liao C, Yang X, Zhang W. Association of concomitant continuous pain in trigeminal neuralgia with a narrow foramen ovale. Front Neurol 2023; 14:1277654. [PMID: 38020635 PMCID: PMC10644226 DOI: 10.3389/fneur.2023.1277654] [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: 08/15/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
Background The pathogenesis of concomitant continuous pain remains unclear and is worthy of further study. In this clinical study, we aimed to explore the potential role of a narrow foramen ovale in the development of concomitant continuous pain. Methods A total of 108 patients with classical trigeminal neuralgia affecting the third branch of the trigeminal nerve and 46 healthy individuals were enrolled in this study. Three-dimensional reconstructed computerized tomography images of all participants were collected, and the morphometric features of the foramen ovale were examined by two investigators who were blinded to the clinical data of the patients. Results In this cohort, patients with concomitant continuous pain suffered from more sensory abnormalities (18.4% vs. 2.9%, p = 0.015) and responded more poorly to medication (74.3% vs. 91.9%, p = 0.018) than patients without concomitant continuous pain. While no significant differences regarding the mean length (5.02 mm vs. 5.36 mm, p > 0.05) and area (22.14 mm2 vs. 23.80 mm2, p > 0.05) were observed between patients with and without concomitant continuous pain, the mean width of the foramen ovale on the affected side in patients with concomitant continuous pain was significantly narrower than that in patients without concomitant continuous pain (2.01 mm vs. 2.48 mm, p = 0.003). Conclusion This neuroimaging and clinical study demonstrated that the development of concomitant continuous pain was caused by the compression of the trigeminal nerve owing to a narrow foramen ovale rather than responsible vessels in classical trigeminal neuralgia.
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Hu S, Huang Z, Wang H, Chen K, Xia L, Dou N, Zhong J. The Value of a Headless Pear Shape in Percutaneous Balloon Compression for Trigeminal Neuralgia. Oper Neurosurg (Hagerstown) 2023; 25:372-378. [PMID: 37499245 DOI: 10.1227/ons.0000000000000831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 05/16/2023] [Indexed: 07/29/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Percutaneous balloon compression (PBC) has been regarded as a simple and effective remedy for trigeminal neuralgia. This study aims to retrospectively analyze the correlation between intraoperative balloon shapes and postoperative outcomes. METHOD Those consecutive PBC cases performed in our department between 2019 and 2022 were reviewed. According to the intraoperative balloon figures, they were cataloged as headless pear, slim pear, bottle gourd, and winter melon groups. The degree of pain or numbness was quantified using the visual analog scale. Those pain-free or pain score <3 and satisfied by the patient were called effective, and those numb score >3 were taken into account of numbness incidence. RESULTS Except for missing cases, 160 were finally recruited in this study with a mean follow-up for 23.6 ± 12.8 months. Postoperatively, the pain score plunged from 8.8 ± 1.0 to 0.8 ± 2.0 immediately, which rose slightly over time and maintained at 2.4 ± 3.1. The maximal pain score drop occurred in the headless pear group ( P < .001) and the minimal in the winter melon group ( P < .001). The early efficacy of PBC was 100%, 84.1%, 91.4%, and 50.0%, respectively. However, the long-term efficacy was 88.2%, 75.0%, 82.1% and 25.0%. The ipsilateral numbness occurred in most of the cases immediately after PBC with a score of 3.5 ± 2.3, which decreased significantly within 3 months to 2.3 ± 2.0 and turned to 1.7 ± 1.8 finally ( P < .05). The highest and lowest numb score appeared in bottle gourd and winter melon groups, respectively ( P < .05). CONCLUSION A headless pear shape emerged in lateral fluoroscopy as the balloon was fully inflated indicates that the entire Meckel cave is suffused, and hence, the anterior semilunar ganglion has been solidly compressed, which may lead to a successful outcome.
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Affiliation(s)
- Shaozhen Hu
- Department of Neurosurgery, Xinhua Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China
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Cui X, Qin B, Xia C, Li H, Li Z, Li Z, Nasir A, Bai Q. Transcriptome-wide analysis of trigeminal ganglion and subnucleus caudalis in a mouse model of chronic constriction injury-induced trigeminal neuralgia. Front Pharmacol 2023; 14:1230633. [PMID: 37841912 PMCID: PMC10568182 DOI: 10.3389/fphar.2023.1230633] [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: 05/29/2023] [Accepted: 09/05/2023] [Indexed: 10/17/2023] Open
Abstract
Trigeminal neuropathic pain (TNP) induces mechanical allodynia and hyperalgesia, which are known to alter gene expression in injured dorsal root ganglia primary sensory neurons. Non-coding RNAs (ncRNAs) have been linked to TNP. However, the functional mechanism underlying TNP and the expression profile of ncRNAs in the trigeminal ganglion (TG) and trigeminal subnucleus caudalis (Sp5C) are still unknown. We used RNA sequencing and bioinformatics analysis to examine the TG and Sp5C transcriptomes after infraorbital nerve chronic constrictive injury (IoN-CCI). The robust changes in the gene expression of lncRNAs, circRNAs, and mRNAs were observed within the TG and Sp5C from mice that underwent IoN-CCI and the sham-operated mice (day 7). In total, 111,003 lncRNAs were found in TG and 107,157 in Sp5C; 369 lncRNAs were differentially expressed in TG, and 279 lncRNAs were differentially expressed in Sp5C. In addition, 13,216 circRNAs in TG and 21,658 circRNAs in Sp5C were identified, with 1,155 circRNAs and 2,097 circRNAs differentially expressed in TG and Sp5C, respectively. Furthermore, 5,205 DE mRNAs in TG and 3,934 DE mRNAs in Sp5C were differentially expressed between IoN-CCI and sham groups. The study revealed a high correlation of pain-related differentially expressed genes in the TG and Sp5C to anxiety, depression, inflammation, neuroinflammation, and apoptosis. Gene Ontology analysis revealed that binding-related molecular functions and membrane-related cell components were significantly enriched. Kyoto Encyclopedia of Genes and Genomes analysis shows the most significant enrichments in neurogenesis, nervous system development, neuron differentiation, adrenergic signaling, cAMP signaling, MAPK signaling, and PI3K-Akt signaling pathways. Furthermore, protein-protein interaction analysis showed that hub genes were implicated in neuropeptide signaling pathways. Functional analysis of DE ncRNA-targeting genes was mostly enriched with nociception-related signaling pathways underpinning TNP. Our findings suggest that ncRNAs are involved in TNP development and open new avenues for research and treatment.
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Affiliation(s)
- Xiaona Cui
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology, International Peace Maternity & Child Health Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Bo Qin
- Translational Medical Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Chaoyun Xia
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Hong Li
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhiye Li
- Department of Pharmacy, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhisong Li
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Abdul Nasir
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Qian Bai
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Valenzuela Cecchi B, Figueroa F, Contreras L, Bustos P, Maldonado F. Percutaneous Balloon Compression for the Treatment of Trigeminal Neuralgia: A Review of 10 Years of Clinical Experience. Cureus 2023; 15:e43645. [PMID: 37719619 PMCID: PMC10505044 DOI: 10.7759/cureus.43645] [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] [Accepted: 08/17/2023] [Indexed: 09/19/2023] Open
Abstract
BACKGROUND Trigeminal neuralgia (TN) is defined as a spontaneous painful sensation in the trigeminal nerve territory. The pain intensity of TN is classified into different grades of suffering that affect a patient's quality of life. Percutaneous balloon compression of the ganglion is a neurosurgical option that is easy, reproducible, and can reduce the morbidity of TN. METHODS We retrospectively analyzed all patients treated with trigeminal nerve percutaneous balloon compression at the Clinical Hospital of the University of Chile between January 2012 and May 2022. Data collected from electronic records included demographic information, medical and surgical history, type of anesthesia and drugs used during surgery, balloon inflation time, surgery time, operative room time, intraoperative events, postoperative complications, duration of hospitalization, and duration of follow-up. Results: We identified 63 patients who met our inclusion criteria. The median patient age was 62 years (interquartile range [IQR] 57-69 years). Sixty-five percent of the patients were female. The simultaneous involvement of the second and third branches of the trigeminal nerve was the most frequent symptom. Before surgery, the patients experienced an average of 6.6 years of pain (IQR 2-10 years). Right neuralgia was the most frequent laterality type (69%). Forty percent of the patients had a previous surgical procedure for neuralgia, with treatment failure being the most frequent surgical indication (63%). According to the procedure, the mean balloon insufflation volume was 0.89±0.12 mL with a median compression time of 2.5 min (IQR 2.1-4.0 min). No hemorrhagic complications were observed. Furthermore, during follow-up, there were no surgical complications among any of the patients; however, 6.4% of patients required a second intervention. The pain-free period was two years in 60% of patients and five years in 23% of patients. CONCLUSIONS TN is a painful condition. Although there are multiple surgical approaches, we believe that percutaneous balloon compression is an excellent alternative treatment option that offers high effectiveness, low morbidity, and low hospital stay.
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Affiliation(s)
- Bayron Valenzuela Cecchi
- Department of Neurology and Neurosurgery, Hospital Clínico de la Universidad de Chile, Santiago, CHL
| | | | - Luis Contreras
- Department of Neurology and Neurosurgery, Hospital Clínico de la Universidad de Chile, Santiago, CHL
| | - Patricio Bustos
- Department of Neurology and Neurosurgery, Hospital Clínico de la Universidad de Chile, Santiago, CHL
| | - Felipe Maldonado
- Department of Anesthesiology and Perioperative Medicine, Hospital Clínico de la Universidad de Chile, Santiago, CHL
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Herta J, Loidl TB, Schmied T, Tomschik M, Khalaveh F, Wang WT, Dorfer C. Retrospective comparison of percutaneous balloon compression and radiofrequency-thermocoagulation in the management of trigeminal neuralgia. Acta Neurochir (Wien) 2023:10.1007/s00701-023-05656-w. [PMID: 37286804 DOI: 10.1007/s00701-023-05656-w] [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: 02/03/2023] [Accepted: 05/29/2023] [Indexed: 06/09/2023]
Abstract
PURPOSE To compare percutaneous balloon compression (PBC) and radiofrequency thermocoagulation (RFTC) for the treatment of trigeminal neuralgia. METHODS This was a retrospective single-center analysis of data from 230 patients with trigeminal neuralgia who underwent 202 PBC (46%) and 234 RFTC (54%) from 2002 to 2019. Comparison of demographic data and trigeminal neuralgia characteristics between procedures as well as assessment of 1) initial pain relief by an improved Barrow Neurological Institute (BNI) pain intensity scale of I-III; 2) recurrence-free survival of patients with a follow-up of at least 6 months by Kaplan-Meier analysis; 3) risk factors for failed initial pain relief and recurrence-free survival by regression analysis; and 4) complications and adverse events. RESULTS Initial pain relief was achieved in 353 (84.2%) procedures and showed no significant difference between PBC (83.7%) and RFTC (84.9%). Patients who suffered from multiple sclerosis (odds ratio 5.34) or had a higher preoperative BNI (odds ratio 2.01) showed a higher risk of not becoming pain free. Recurrence-free survival in 283 procedures was longer for PBC (44%) with 481 days compared to RFTC (56%) with 421 days (p=0.036) but without statistical significance. The only factors that showed a significant influence on longer recurrence-free survival rates were a postoperative BNI ≤ II (P=<0.0001) and a BNI facial numbness score ≥ 3 (p = 0.009). The complication rate of 22.2% as well as zero mortality showed no difference between the two procedures (p=0.162). CONCLUSION Both percutaneous interventions led to a comparable initial pain relief and recurrence-free survival with a low and comparable probability of complications. An individualized approach, considering the advantages and disadvantages of each intervention, should guide the decision-making process. Prospective comparative trials are urgently needed.
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Affiliation(s)
- Johannes Herta
- Department of Neurosurgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Theresa Bettina Loidl
- Department of Neurosurgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Tobias Schmied
- Department of Neurosurgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Matthias Tomschik
- Department of Neurosurgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Farjad Khalaveh
- Department of Neurosurgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Wei-Te Wang
- Department of Neurosurgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Christian Dorfer
- Department of Neurosurgery, Medical University of Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria.
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Long-term results of microvascular decompression with video endoscopy in the treatment of patients with atypical trigeminal neuralgia. КЛИНИЧЕСКАЯ ПРАКТИКА 2022. [DOI: 10.17816/clinpract114755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The frequency of occurrence of atypical trigeminal neuralgia (aNTN) varies from 1 to 7 people per 100,000 population per year. The main cause of development is compression of the trigeminal nerve root (TN) by a vein and/or artery in the cerebellar cistern. To date, the final tactics of treatment of patients with aNTN have not been determined. The effectiveness of conservative methods of therapy does not exceed 50%. The aim of the study was to evaluate the results of microvascular decompression using video endoscopy in the treatment of patients with atypical trigeminal neuralgia. Methods. In the period from 2014 to 2021 34 patients with atypical HTN were operated on, of which 18 (53%) patients had neuropathic pain (more than 4 points on the DN4 scale), and 15 (44%) patients had a transformation of classical trigeminal neuralgia into atypical. Conservative therapy (carbamazepine, gabapentin, pregabalin), administered to all patients in the preoperative period, was not accompanied by a significant reduction in pain syndrome. The maximum intensity of pain upon admission to the hospital according to the visual analog scale (VAS) was 10 points, according to the severity of pain syndrome BNI (Barrow Neurological Institute) V (severe, persistent pain). All patients underwent internal affairs of the trigeminal nerve root with the use of Teflon; in 12 (35%) patients, in addition to a microscope, video endoscopy was additionally used. The average follow-up period after surgery was 3.4 1.7 years (from 1 to 5 years). Results. In all (100%) patients after surgery, the pain is completely stopped (BNI I). The total fiveyear excellent and good outcome of the disease on the J.Miller and BNI scale (I-II) was noted in 80% (n=27) of patients with atypical NTN. The risk of pain recurrence in the first three years after MVD was 14% (n=3), and after 5 years 34% (n=4). The use of video endoscopy made it possible to identify vessels compressing the root of the trigeminal nerve with minimal displacement of the cerebellum and cranial nerves when visualizing neurovascular conflict. Conclusion. The MVD method with video endoscopy is effective in the treatment of patients with aNTN
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Liu H, Chen C, Liu Y, Liu J, Yu X, Chen L. Trigeminal neuralgia caused by cavernoma: A case report with literature review. Front Neurol 2022; 13:982503. [PMID: 36188391 PMCID: PMC9524570 DOI: 10.3389/fneur.2022.982503] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022] Open
Abstract
Cavernoma is the second most common cerebrovascular lesion. Cavernoma involving the cranial nerves is very rare. Only 15 cases of cavernoma presenting with trigeminal neuralgia (TN) have been previously reported. Here, we report a rare case of cavernoma manifesting with TN. A young female patient with a 15-day history of right-sided lancinating pain in the face, difficulty in opening the mouth, and hearing dysesthesia. Magnetic resonance imaging (MRI) revealed a well-demarcated lesion in the cerebellopontine angle related closely to the root of the trigeminal nerve. The initial impression was that of a neurinoma. The lesion was surgically resected via the retrosigmoid approach, postoperative pathological analysis confirmed the diagnosis of cavernoma, and the patient's pain and difficulty in opening the mouth resolved completely. We presented the 16th documented case of cavernoma with TN. Although cavernoma involving the trigeminal nerve is extremely rare, this diagnosis should be taken into consideration when a lesion in the cerebellopontine angle is detected on MRI, and the clinical manifestation is consistent with that of secondary TN. Specialized MRI sequences, such as susceptibility weighted imaging (SWI), gradient echo T2, and constructive interference in steady-state (CISS)-weighted imaging, aid in establishing the diagnosis. Resection via craniotomy may be the primary management strategy for cavernoma causing TN. In addition, gamma knife radiosurgery (GKRS) and percutaneous balloon compression (PBC) may ameliorate the pain to some extent.
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Affiliation(s)
- Hongyu Liu
- Department of Neurosurgery, Hainan Hospital of Chinese PLA General Hospital, Sanya, China
- Department of Neurosurgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Chuanbiao Chen
- Department of Neurosurgery, Hainan Hospital of Chinese PLA General Hospital, Sanya, China
| | - Yuyang Liu
- Department of Neurosurgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jialin Liu
- Department of Neurosurgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xinguang Yu
- Department of Neurosurgery, Hainan Hospital of Chinese PLA General Hospital, Sanya, China
- Department of Neurosurgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
- Xinguang Yu
| | - Ling Chen
- Department of Neurosurgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
- *Correspondence: Ling Chen
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11
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Sensory characteristics and chronic facial pain conditions: Cross-sectional study. Arch Oral Biol 2022; 135:105361. [PMID: 35121263 DOI: 10.1016/j.archoralbio.2022.105361] [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: 07/16/2021] [Revised: 01/01/2022] [Accepted: 01/26/2022] [Indexed: 11/21/2022]
Abstract
OBJECTIVES This study investigated patients with neuropathic, myofascial and other orofacial pain conditions according to the differences and similarities of the sensory profile, and the association between sensory findings and neuropathic or non-neuropathic conditions. DESIGN 132 healthy controls were compared with 174 orofacial pain patients that were classified into three groups (neuropathic, masticatory myofascial and other orofacial pain condition) and evaluated with a systematized protocol of sensory testing. Data were analyzed with chi-quare and Bonferroni correction (categorical data), Student´s t test, oneway ANOVA, Tukey (quantitative features), Pearson´s coefficient for correlations and logistic regression. RESULTS Cold, olfactory and superficial pain thresholds were higher in the group of neuropathic facial pain compared with the other groups, and the highest vibratory thresholds were observed in the group of other orofacial pain conditions. Deep pain thresholds were statistically lower in the group with masticatory myofascial pain. CONCLUSIONS Positive sensory findings (eg. hyperalgesia) were more common in the group of patients with masticatory myofascial pain, supporting inflammatory systemic mechanisms, and negative sensory findings not restricted to the trigeminal nerve (eg. hypoesthesia, hyposmia) were more frequent in patients with neuropathic conditions. Non-classical neuropathic orofacial pains also showed sensory impairment from pain chronification and from the overlap with functional disorders.
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12
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LeDonne MJ, Ahmed SA, Keeney SM, Nadworny H. Trigeminal Neuralgia As the Principal Manifestation of Anaplasmosis: A Case Report. Cureus 2022; 14:e21668. [PMID: 35237471 PMCID: PMC8882039 DOI: 10.7759/cureus.21668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2022] [Indexed: 11/29/2022] Open
Abstract
Unlike the tick-borne diseases ehrlichiosis and Lyme disease, human granulocytic anaplasmosis is rarely associated with neurological complications. In this case report, we present a patient who developed a severe, lancinating headache shortly after known tick exposure. A tick-borne PCR panel was positive for Anaplasmosis phagocytophilum and neurology evaluation yielded a concomitant diagnosis of new-onset trigeminal neuralgia. Our case explores the relationship between anaplasmosis infection and trigeminal neuralgia.
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13
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Spirin NN, Kiselev DV, Karpova MS. [Neuropathic pain syndromes in patients with multiple sclerosis]. Zh Nevrol Psikhiatr Im S S Korsakova 2021; 121:22-30. [PMID: 34387442 DOI: 10.17116/jnevro202112107222] [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: 01/16/2023]
Abstract
Among the numerous pain syndromes (PS) of various localizations and types, observed in patients with multiple sclerosis (MS), the greatest attention of researchers is attracted by neuropathic PS. Neuropathic PS are often present already in the early stage of MS, significantly reduce the quality of life, hinder the social adaptation of patients, poorly respond to therapy. Central neuropathic PS, which pathogenesis is closely related with plaques in the central nervous system, are most common in patients with MS. Diagnostics of neuropathic PS in MS is based mainly on typical clinical symptoms; MRI and neurophysiological methods data are of secondary importance. This review focuses on modern concepts of three main neuropathic PS in MS: ongoing extremity pain, trigeminal neuralgia and Lhermitte's sign. Clinical symptoms of neuropathic PS, current ideas about their pathogenetic mechanisms, MRI and neurophysiological techniques data and the existing approaches to conservative therapy and surgical treatment based on randomized trials data are presented.
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Affiliation(s)
- N N Spirin
- Yaroslavl State Medical University, Yaroslavl, Russia
| | - D V Kiselev
- Yaroslavl State Medical University, Yaroslavl, Russia
| | - M S Karpova
- Yaroslavl State Medical University, Yaroslavl, Russia
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14
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Jain A, Muneer MS, Okromelidze L, McGeary R, Valluri SK, Bhatt AA, Gupta V, Grewal SS, Cheshire WP, Middlebrooks EH, Sandhu SJS. Absence of Meckel Cave: A Rare Cause of Trigeminal Neuralgia. AJNR Am J Neuroradiol 2021; 42:1610-1614. [PMID: 34244131 DOI: 10.3174/ajnr.a7205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/20/2021] [Indexed: 11/07/2022]
Abstract
Trigeminal neuralgia is a debilitating condition with numerous etiologies. In this retrospective case series, we report a cohort of patients with a rarely described entity, absence of Meckel cave, and propose this as a rare cause of trigeminal neuralgia. A search of the electronic medical record was performed between 2000 and 2020 to identify MR imaging reports with terms including "Meckel's cave" and "hypoplasia," "atresia," "collapse," or "asymmetry." Images were reviewed by 2 blinded, board-certified neuroradiologists. Seven cases of the absence of Meckel cave were identified. Seven patients (100%) had ipsilateral trigeminal neuralgia and ipsilateral trigeminal nerve atrophy, suggesting an association between absence of Meckel cave and trigeminal neuralgia. Absence of Meckel cave is a rare entity of unknown etiology, with few existing reports that suggest the possibility of an association with trigeminal neuralgia. Its recognition may have important implications in patient management. Future studies and longitudinal data are needed to assess treatment outcomes and added risks from surgical intervention in these patients.
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Affiliation(s)
- A Jain
- From the Departments of Radiology (A.J., M.S.M., L.O., R.M., S.K.V., A.A.B., V.G., E.H.M., S.J.S.S.)
| | - M S Muneer
- From the Departments of Radiology (A.J., M.S.M., L.O., R.M., S.K.V., A.A.B., V.G., E.H.M., S.J.S.S.)
| | - L Okromelidze
- From the Departments of Radiology (A.J., M.S.M., L.O., R.M., S.K.V., A.A.B., V.G., E.H.M., S.J.S.S.)
| | - R McGeary
- From the Departments of Radiology (A.J., M.S.M., L.O., R.M., S.K.V., A.A.B., V.G., E.H.M., S.J.S.S.)
| | - S K Valluri
- From the Departments of Radiology (A.J., M.S.M., L.O., R.M., S.K.V., A.A.B., V.G., E.H.M., S.J.S.S.)
| | - A A Bhatt
- From the Departments of Radiology (A.J., M.S.M., L.O., R.M., S.K.V., A.A.B., V.G., E.H.M., S.J.S.S.)
| | - V Gupta
- From the Departments of Radiology (A.J., M.S.M., L.O., R.M., S.K.V., A.A.B., V.G., E.H.M., S.J.S.S.)
| | | | - W P Cheshire
- Neurology (W.P.C.), Mayo Clinic, Jacksonville, Florida
| | - E H Middlebrooks
- From the Departments of Radiology (A.J., M.S.M., L.O., R.M., S.K.V., A.A.B., V.G., E.H.M., S.J.S.S.) .,Neurosurgery (S.S.G., E.H.M.)
| | - S J S Sandhu
- From the Departments of Radiology (A.J., M.S.M., L.O., R.M., S.K.V., A.A.B., V.G., E.H.M., S.J.S.S.)
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Venda Nova C, Zakrzewska JM, R Baker S, Ni Riordain R. Patient reported outcome measures in trigeminal neuralgia - A systematic review of psychometric performance. Eur J Pain 2021; 25:1449-1461. [PMID: 33934425 DOI: 10.1002/ejp.1779] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 04/07/2021] [Accepted: 04/08/2021] [Indexed: 11/11/2022]
Abstract
BACKGROUND Trigeminal neuralgia (TN) is a rare condition for which there are multiple treatment options available. To date, there has been difficulty in comparing the outcomes of treatment due to the variety of patient-reported outcome measures (PROMs) and their inadequate psychometric testing. The aim of this review was to assess the psychometric properties of PROMs used to date in TN and make recommendations for their use in future studies. METHODS Five electronic databases (MEDLINE, EMBASE, CINAHL Plus, PsycINFO, Health and Psychosocial Instruments) were searched for studies assessing the development of PROMs or their psychometric properties in TN studies. The records obtained were assessed independently by two reviewers for their methodological quality, following guidance from the Consensus-based Standards for the selection of Health Measurement Instruments (COSMIN). RESULTS Six studies were identified and information on five PROMs (Brief Pain Inventory Facial (BPI-F), Visual Analogue Scale (VAS), Barrow Neurology Institute Pain Scale (BNI-PS), Penn Facial Pain Scale-Revised (Penn-FPS-R) and Trigeminal Neuralgia Quality of Life Score) were retrieved. The Penn-FPS-R demonstrated moderate quality evidence for sufficient content validity. The BPI-F showed moderate evidence for sufficient internal consistency and structural validity but low evidence for inconsistent content validity. The Trigeminal Neuralgia Quality of Life score showed very low-quality evidence for insufficient content validity, structure validity and responsiveness. No evidence was found on the assessment of any psychometric properties of the VAS and BNI-PS in TN. CONCLUSION There is limited evidence of the psychometric performance of patient-reported outcomes for TN and recommendations for their inclusion in future studies cannot be made. The validation of PROMs in TN studies should be a priority in this field of research. SIGNIFICANCE This review highlights the knowledge gap in the field of psychometrics of patient reported outcomes measures in the field of TN. Given the unavailability of an objective outcome measure for pain or health related quality of life, psychometrically sound PROMs are essential for assessing medical and surgical treatment outcomes in TN.
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Affiliation(s)
| | | | - Sarah R Baker
- School of Clinical Dentistry, Sheffield University, Sheffield, UK
| | - Richeal Ni Riordain
- Eastman Dental Institute, University College London, London, UK.,Cork University Dental School and Hospital, Cork, Ireland
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Keric N, Kalasauskas D, Kreth SL, Glaser MB, Krenzlin H, Kantelhardt SR, Ringel F. An age-dependent outcome analysis of microvascular decompression and percutaneous thermocoagulation in trigeminal neuralgia. BMC Neurol 2021; 21:182. [PMID: 33926408 PMCID: PMC8082966 DOI: 10.1186/s12883-021-02197-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 04/12/2021] [Indexed: 11/30/2022] Open
Abstract
Background Trigeminal neuralgia (TN) is a severe pain condition and the most common facial neuralgia. While microvascular decompression (MVD) presents an excellent treatment in neurovascular compression cases, percutaneous thermocoagulation (PT) of the ganglion Gasseri is an alternative option. This study aimed to evaluate post-operative complication rate and outcome of both treatment strategies related to the patient’s age. Methods The medical records of all patients with the diagnosis of trigeminal neuralgia undergoing an MVD or PT of the ganglion Gasseri (between January 2007 and September 2017) were reviewed to determine the efficacy and the complication rate of both methods in regard to the patient’s age. Results Seventy-nine patients underwent MVD surgery and 39 a PT. The mean age of patients in the MVD group was 61 years and 73 years in the PT group. There were 59 (50%) female patients. Nerve-vessel conflict could be identified in 78 (98.7%) MVD and 17 (43.6%) PT patients on preoperative MRI. Charlson comorbidity index was significantly higher in PT group (2.4 (1.8) versus 3.8 (1.8) p < 0.001). The Barrow pain score (BPS) at the last follow-up demonstrated higher scores after PT (p = 0.007). The complication rate was markedly higher in PT group, mostly due to the facial hypesthesia (84.6% versus 27.8%; p < 0.001). Mean symptom-free survival was significantly shorter in the PT group (9 vs. 26 months, p < 0.001). It remained statistically significant when stratified into age groups: (65 years and older: 9 vs. 18 months, p = 0.001). Duration of symptoms (OR 1.005, 95% CI 1.000–1.010), primary procedure (OR 6.198, 95% CI 2.650–14.496), patient age (OR 1.033, 95% CI 1.002–1.066), and postoperative complication rate (OR 2.777, 95% CI 1.309–5.890) were associated with treatment failure. Conclusion In this patient series, the MVD is confirmed to be an excellent treatment option independent of patient’s age. However, while PT is an effective procedure, time to pain recurrence is shorter, and the favorable outcome (BPS 1 and 2) rate is lower compared to MVD. Hence MVD should be the preferred treatment and PT should remain an alternative in very selected cases when latter is not possible but not in the elderly patient per se.
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Affiliation(s)
- Naureen Keric
- Department of Neurosurgery, University Medical Center, Johannes Gutenberg University of Mainz, Langenbeckstr. 1, 55131, Mainz, Germany.
| | - Darius Kalasauskas
- Department of Neurosurgery, University Medical Center, Johannes Gutenberg University of Mainz, Langenbeckstr. 1, 55131, Mainz, Germany
| | - Sophia L Kreth
- Department of Neurosurgery, University Medical Center, Johannes Gutenberg University of Mainz, Langenbeckstr. 1, 55131, Mainz, Germany
| | - Martin B Glaser
- Department of Neurosurgery, University Medical Center, Johannes Gutenberg University of Mainz, Langenbeckstr. 1, 55131, Mainz, Germany
| | - Harald Krenzlin
- Department of Neurosurgery, University Medical Center, Johannes Gutenberg University of Mainz, Langenbeckstr. 1, 55131, Mainz, Germany
| | - Sven R Kantelhardt
- Department of Neurosurgery, University Medical Center, Johannes Gutenberg University of Mainz, Langenbeckstr. 1, 55131, Mainz, Germany
| | - Florian Ringel
- Department of Neurosurgery, University Medical Center, Johannes Gutenberg University of Mainz, Langenbeckstr. 1, 55131, Mainz, Germany
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Molina-Gil J, González-Fernández L, García-Cabo C. Trigeminal neuralgia as the sole neurological manifestation of COVID-19: A case report. Headache 2021; 61:560-562. [PMID: 33749854 PMCID: PMC8251254 DOI: 10.1111/head.14075] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 12/20/2020] [Accepted: 01/05/2021] [Indexed: 12/19/2022]
Abstract
Objective To describe a case report of trigeminal neuralgia (TN) due to coronavirus disease‐2019 (COVID‐19). Background In March 2020, the World Health Organization declared COVID‐19 as a pandemic. Respiratory system manifestations are dominant in this new disease. However, numerous case series and reviews have been published on the neurological manifestations, highlighting the potential neurotropism of the new coronavirus. Methods We describe a clinical case of TN during COVID‐19 and we discuss the differential diagnosis and the potential pathogenic mechanism according to the literature. Results A 65‐year‐old man with general malaise and typical respiratory symptoms of COVID‐19, who presented with paroxysmal lancinating pain in the right V1 trigeminal territory without other neurological symptoms. General blood test and neuroimaging study were normal. A rapid test showed positive IgG and IgM serologies for severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2). The patient was diagnosed with TN secondary to a viral infection by SARS‐CoV‐2. Facial pain resolved with the improvement of COVID‐19. Conclusions The new coronavirus SARS‐CoV‐2 is a possible etiology of secondary TN. Nevertheless, more studies are needed to elucidate the neuropathology of this viral infection.
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Affiliation(s)
- Javier Molina-Gil
- Department of Neurology, Hospital Universitario Central de Asturias, Oviedo, Spain
| | | | - Carmen García-Cabo
- Department of Neurology, Hospital Universitario Central de Asturias, Oviedo, Spain
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18
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Gambeta E, Chichorro JG, Zamponi GW. Trigeminal neuralgia: An overview from pathophysiology to pharmacological treatments. Mol Pain 2021; 16:1744806920901890. [PMID: 31908187 PMCID: PMC6985973 DOI: 10.1177/1744806920901890] [Citation(s) in RCA: 129] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The trigeminal nerve (V) is the fifth and largest of all cranial nerves, and it is responsible for detecting sensory stimuli that arise from the craniofacial area. The nerve is divided into three branches: ophthalmic (V1), maxillary (V2), and mandibular (V3); their cell bodies are located in the trigeminal ganglia and they make connections with second-order neurons in the trigeminal brainstem sensory nuclear complex. Ascending projections via the trigeminothalamic tract transmit information to the thalamus and other brain regions responsible for interpreting sensory information. One of the most common forms of craniofacial pain is trigeminal neuralgia. Trigeminal neuralgia is characterized by sudden, brief, and excruciating facial pain attacks in one or more of the V branches, leading to a severe reduction in the quality of life of affected patients. Trigeminal neuralgia etiology can be classified into idiopathic, classic, and secondary. Classic trigeminal neuralgia is associated with neurovascular compression in the trigeminal root entry zone, which can lead to demyelination and a dysregulation of voltage-gated sodium channel expression in the membrane. These alterations may be responsible for pain attacks in trigeminal neuralgia patients. The antiepileptic drugs carbamazepine and oxcarbazepine are the first-line pharmacological treatment for trigeminal neuralgia. Their mechanism of action is a modulation of voltage-gated sodium channels, leading to a decrease in neuronal activity. Although carbamazepine and oxcarbazepine are the first-line treatment, other drugs may be useful for pain control in trigeminal neuralgia. Among them, the anticonvulsants gabapentin, pregabalin, lamotrigine and phenytoin, baclofen, and botulinum toxin type A can be coadministered with carbamazepine or oxcarbazepine for a synergistic approach. New pharmacological alternatives are being explored such as the active metabolite of oxcarbazepine, eslicarbazepine, and the new Nav1.7 blocker vixotrigine. The pharmacological profiles of these drugs are addressed in this review.
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Affiliation(s)
- Eder Gambeta
- Department of Physiology and Pharmacology, Alberta Children's Hospital Research Institute and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Juliana G Chichorro
- Department of Pharmacology, Biological Sciences Sector, Federal University of Parana, Curitiba, Brazil
| | - Gerald W. Zamponi
- Department of Physiology and Pharmacology, Alberta Children's Hospital Research Institute and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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Zawy Alsofy S, Welzel Saravia H, Nakamura M, Ewelt C, Lewitz M, Sakellaropoulou I, Sarkis HM, Fortmann T, Schipmann S, Suero Molina E, Santacroce A, Salma A, Stroop R. Virtual reality-based evaluation of neurovascular conflict for the surgical planning of microvascular decompression in trigeminal neuralgia patients. Neurosurg Rev 2021; 44:3309-3321. [PMID: 33586035 DOI: 10.1007/s10143-021-01500-w] [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: 10/27/2020] [Revised: 12/13/2020] [Accepted: 02/08/2021] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Trigeminal neuralgia (TN) is a lightning bolt of violent, electrifying, and stinging pain, often secondary to the neurovascular conflict (NVC). The vessels involved in NVC are mostly arteries and rarely veins. Evaluation of NVC in the deep infratentorial region is inseparably connected with cranial imaging. We retrospectively analyzed the potential influence of three-dimensional (3D) virtual reality (VR) reconstructions compared to conventional magnetic resonance imaging (MRI) scans on the evaluation of NVC for the surgical planning of microvascular decompression in patients with TN. METHODS Medical files were retrospectively analyzed regarding patient- and disease-related data. Preoperative MRI scans were retrospectively visualized via VR software to detect the characteristics of NVC. A questionnaire of experienced neurosurgeons evaluated the influence of VR visualization technique on identification of anatomical structures involved in NVC and on surgical strategy. RESULTS Twenty-four patients were included and 480 answer sheets were evaluated. Compared to conventional MRI, image presentation using 3D-VR modality significantly influenced the identification of the affected trigeminal nerve (p = 0.004), the vascular structure involved in the NVC (p = 0.0002), and the affected side of the trigeminal nerve (p = 0.005). CONCLUSIONS In patients with TN caused by NVC, the reconstruction of conventional preoperative MRI scans and the spatial and anatomical presentation in 3D-VR models offers the possibility of increased understanding of the anatomy and even more the underlying pathology, and thus influences operation planning and strategy.
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Affiliation(s)
- Samer Zawy Alsofy
- Department of Medicine, Faculty of Health, Witten/Herdecke University, Witten, Germany. .,Department of Neurosurgery, St. Barbara-Hospital, Academic Hospital of Westfälische Wilhelms-University Münster, Hamm, Germany.
| | - Heinz Welzel Saravia
- Department of Neurosurgery, St. Barbara-Hospital, Academic Hospital of Westfälische Wilhelms-University Münster, Hamm, Germany
| | - Makoto Nakamura
- Department of Neurosurgery, Academic Hospital Köln-Merheim, Witten/Herdecke University, Köln, Germany
| | - Christian Ewelt
- Department of Neurosurgery, St. Barbara-Hospital, Academic Hospital of Westfälische Wilhelms-University Münster, Hamm, Germany
| | - Marc Lewitz
- Department of Neurosurgery, St. Barbara-Hospital, Academic Hospital of Westfälische Wilhelms-University Münster, Hamm, Germany
| | - Ioanna Sakellaropoulou
- Department of Neurosurgery, St. Barbara-Hospital, Academic Hospital of Westfälische Wilhelms-University Münster, Hamm, Germany
| | - Hraq Mourad Sarkis
- Department of Neurosurgery, St. Barbara-Hospital, Academic Hospital of Westfälische Wilhelms-University Münster, Hamm, Germany
| | - Thomas Fortmann
- Department of Neurosurgery, St. Barbara-Hospital, Academic Hospital of Westfälische Wilhelms-University Münster, Hamm, Germany
| | | | - Eric Suero Molina
- Department of Neurosurgery, University Hospital Münster, Münster, Germany
| | - Antonio Santacroce
- Department of Neurosurgery, St. Barbara-Hospital, Academic Hospital of Westfälische Wilhelms-University Münster, Hamm, Germany.,Department of Neurosurgery, Eberhard-Karls-University, Tübingen, Germany
| | - Asem Salma
- Department of Neurosurgery, St. Rita's Neuroscience Institute, Lima, Ohio, USA
| | - Ralf Stroop
- Department of Medicine, Faculty of Health, Witten/Herdecke University, Witten, Germany
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Van Deun L, de Witte M, Goessens T, Halewyck S, Ketelaer MC, Matic M, Moens M, Vaes P, Van Lint M, Versijpt J. Facial Pain: A Comprehensive Review and Proposal for a Pragmatic Diagnostic Approach. Eur Neurol 2020; 83:5-16. [PMID: 32222701 DOI: 10.1159/000505727] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Accepted: 01/01/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND Facial pain, alone or combined with other symptoms, is a frequent complaint. Moreover, it is a symptom situated at, more than any other pain condition, a crosspoint where several disciplines meet, for example, dentists; manual therapists; ophthalmologists; psychologists; and ear-nose-throat, pain, and internal medicine physicians besides neurologists and neurosurgeons. Recently, a new version of the most widely used classification system among neurologists for headache and facial pain, the International Classification of Headache Disorders, has been published. OBJECTIVE The aims of this study were to provide an overview of the most prevalent etiologies of facial pain and to provide a generic framework for the neurologist on how to manage patients presenting with facial pain. METHODS An overview of the different etiologies of facial pain is provided from the viewpoint of the respective clinical specialties that are confronted with facial pain. Key message: Caregivers should "think outside their own box" and refer to other disciplines when indicated. If not, a correct diagnosis can be delayed and unnecessary treatments might be given. The presented framework is aimed at excluding life- or organ-threatening diseases, providing several clinical clues and indications for technical investigations, and ultimately leading to the correct diagnosis and/or referral to other disciplines.
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Affiliation(s)
- Laura Van Deun
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium.,Department of Neurology, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Muriel de Witte
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium.,Department of Clinical Psychology, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Thaïs Goessens
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium.,Department of Clinical Psychology, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Stijn Halewyck
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium.,Department of Otorhinolaryngology, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Marie-Christine Ketelaer
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium
| | - Milica Matic
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium.,Department of Anesthesiology, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Maarten Moens
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium.,Department of Neurosurgery, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Peter Vaes
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium.,Department of Manual Therapy, Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Michel Van Lint
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium.,Department of Ophthalmology, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium
| | - Jan Versijpt
- Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Headache and Facial Pain Clinic, Brussels, Belgium, .,Department of Neurology, Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium,
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21
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Song HG, Nahm FS. Oxcarbazepine for trigeminal neuralgia may induce lower extremity weakness: A case report. World J Clin Cases 2020; 8:922-927. [PMID: 32190628 PMCID: PMC7062623 DOI: 10.12998/wjcc.v8.i5.922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/22/2020] [Accepted: 02/11/2020] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Although few studies have reported hyponatremia due to carbamazepine or oxcarbazepine in patients with epilepsy, no study has investigated cases of carbamazepine- or oxcarbazepine-induced hyponatremia or unsteady gait in patients with neuropathic pain. Herein, we report a case of oxcarbazepine-induced lower leg weakness in a patient with trigeminal neuralgia and summarize the diagnosis, treatment, and changes of clinical symptoms.
CASE SUMMARY A 78-year-old male with a history of lumbar spinal stenosis was admitted to the hospital after he experienced lancinating pain around his right cheek, eyes, and lip, and was diagnosed with trigeminal neuralgia at the right maxillary and mandibular branch. He was prescribed oxcarbazepine (600 mg/d), milnacipran (25 mg/d), and oxycodone/naloxone (20 mg/10 mg/d) for four years. Four years later, the patient experienced symptoms associated with spinal stenosis, including pain in the lower extremities and unsteady gait. His serum sodium level was 127 mmol/L. Assuming oxcarbazepine to be the cause of the hyponatremia, oxcarbazepine administration was put on hold and the patient was switched to topiramate. At subsequent visit, the patient’s serum sodium level had normalized to 143 mmol/L and his unsteady gait had improved.
CONCLUSION Oxcarbazepine-induced hyponatremia may cause lower extremity weakness and unsteady gait, which should be differentiated from those caused by spinal stenosis.
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Affiliation(s)
- Hyun-Gul Song
- Department of Anesthesiology and Pain Medicine, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul 07061, South Korea
| | - Francis Sahngun Nahm
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam 13620, South Korea
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22
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Di Stefano G, Yuan JH, Cruccu G, Waxman SG, Dib-Hajj SD, Truini A. Familial trigeminal neuralgia - a systematic clinical study with a genomic screen of the neuronal electrogenisome. Cephalalgia 2020; 40:767-777. [PMID: 31928344 PMCID: PMC7366428 DOI: 10.1177/0333102419897623] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Objective This cross-sectional study examined, for the first time, a large cohort of patients with trigeminal neuralgia, to ascertain the occurrence of familial cases, providing a systematic description of clinical features of familial disease. Since there is evidence linking hyperexcitability of trigeminal ganglion neurons to trigeminal neuralgia, we also carried out an exploratory genetic analysis of the neuronal electrogenisome in these patients. Methods We recorded familial occurrence by systematically interviewing all patients with a definite diagnosis of classical or idiopathic trigeminal neuralgia. We found 12 occurrences of trigeminal neuralgia with positive family history out of 88 enrolled patients. Whole-exome sequencing was carried out in 11 patients. We concentrated on the genetic variants within a 173-gene panel, comprising channel genes encoding sodium, potassium, calcium, chloride, transient receptor potential channels, and gap junction channels. Gene expression profiles were based on published RNA sequencing datasets of rodent/human trigeminal ganglia tissues, with a focus on genes related to neuronal excitability. Results In patients with familial trigeminal neuralgia, pain was more often located in the right, second division. All patients reported triggers. Four patients experienced concomitant continuous pain. Whole-exome sequencing analysis within the trigeminal ganglion electrogenisome identified 41 rare variants in ion channels, consisting of variants in sodium channels (6), potassium channels (10), chloride channels (5), calcium channels (7), transient receptor potential channels (12), and gap junction channels (1). In one patient, a previously profiled gain-of-function mutation in SCN10A (Nav1.8 p.Ala1304Thr), previously reported in painful neuropathy, was found; this variant was not present in unaffected siblings. Conclusions Our results suggest that familial occurrence of trigeminal neuralgia is more common than previously considered. Although our results demonstrate variants in genes encoding voltage-gated ion channels and transient receptor potential channels within these patients, further study will be needed to determine their roles in the pathogenesis of trigeminal neuralgia.
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Affiliation(s)
| | - Jun-Hui Yuan
- Department of Neurology, Yale University School of Medicine, New Haven, CT, USA.,Center for Neuroscience & Regeneration Research, Yale University School of Medicine, New Haven, CT, USA.,Rehabilitation Research Center, VA Connecticut Healthcare System, West Haven, CT, USA
| | - Giorgio Cruccu
- Department of Human Neuroscience, Sapienza University, Rome, Italy
| | - Stephen G Waxman
- Department of Neurology, Yale University School of Medicine, New Haven, CT, USA.,Center for Neuroscience & Regeneration Research, Yale University School of Medicine, New Haven, CT, USA.,Rehabilitation Research Center, VA Connecticut Healthcare System, West Haven, CT, USA
| | - Sulayman D Dib-Hajj
- Department of Neurology, Yale University School of Medicine, New Haven, CT, USA.,Center for Neuroscience & Regeneration Research, Yale University School of Medicine, New Haven, CT, USA.,Rehabilitation Research Center, VA Connecticut Healthcare System, West Haven, CT, USA
| | - Andrea Truini
- Department of Human Neuroscience, Sapienza University, Rome, Italy
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23
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Lovo EE, Torres B, Campos F, Caceros V, Reyes WA, Barahona KC, Cruz C, Arias J, Alho E, Contreras WO. Stereotactic Gamma Ray Radiosurgery to the Centromedian and Parafascicular Complex of the Thalamus for Trigeminal Neuralgia and Other Complex Pain Syndromes. Cureus 2019; 11:e6421. [PMID: 31886103 PMCID: PMC6925372 DOI: 10.7759/cureus.6421] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Introduction We report our initial series of patients treated with radiosurgery to the Centromedian (CM) and Parafascicular (Pfc) Complex (CM-Pf) of the contralateral thalamus mainly for trigeminal neuralgia that had failed most known forms of conventional treatments. The coordinates were co-registered to a three-dimensional atlas of the thalamus in order to have a better comprehension of isodose curves distribution. Methods A fully automated rotating gamma ray unit was used to deliver a high dose of radiation (140 Gy) using a 4-mm collimator to the CM-Pf of the contralateral thalamus in 14 patients suffering from refractory trigeminal pain and other complex pain syndromes. The best stereotactic coordinates were plotted in a thalamic three-dimensional atlas space along with isodose curves corresponding to 50% of the dose prescription and the dose gradient. Results From November 2016 to July 2019, 14 patients experiencing severe forms of different pain syndromes were treated, and 10 were eligible for follow-up evaluation. Pain deriving from trigeminal neuralgia was present in the majority (80%) of patients and from other complex pain syndromes in the rest (20%). Median follow-up was 384 days (range: 30-994). The Visual Analogue Scale (VAS) score before treatment was 9 (range: 7-10) and standardized to 10. Before treatment, all the patients had a Barrow Neurological Institute Pain Scale (BNI) of 5 (V). The median years suffering from pain was 4.5 years (range: 1-15), the number of procedures including radiosurgery to the trigeminal nerve before thalamotomy was four (range: 1-10). Most patients (90%) reported some form of relief, the average VAS at the time of response was 3.5 (range: 0-9), and the average time to response was 67.3 days (range: 2-210). The neuromodulation effect of radiation was seen in 60% of patients. The average BNI score at response was 2.7 (range: 1-5). The final VAS score at last follow-up was 5.5 (range: 0-10) in six patients. In four patients (40%), the procedure had failed with a final BNI of IV, and V, three patients (30%) had excellent response (BNI of I), and three patients (30%) had worthwhile results with BNI of IIIa and IIIb. The total success rate (BNI of I to IIIb) was 60%, and the number of patients experiencing more than 50% of pain reduction at final follow-up was five (50%). Excluding both patients that were treated for pain outside of trigeminal neuralgia, 75% of the patients responded. The best coordinates on average were X: 5.5 mm from the thalamic border, Y: 3.7 mm anterior to the posterior commissure, and Z: 3.7 mm from the intercomissural line. There were no complications to report. Conclusion Radiosurgery to the CM-Pf of the thalamus was demonstrated to be a safe and relatively effective alternative to treat refractory trigeminal neuralgia. Further studies are needed to optimize target dimensions based on the three-dimensional studies of isodose curves as well as coordinates. Longer follow-up is necessary to evaluate recurrence rates that could not be reached.
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Affiliation(s)
- Eduardo E Lovo
- Radiosurgery, International Cancer Center, Diagnostic Hospital, San Salvador, SLV
| | - Boheris Torres
- Neurosurgery, International Cancer Center, Diagnostic Hospital, San Salvador, SLV
| | - Fidel Campos
- Radiosurgery, International Cancer Center, Diagnostic Hospital, San Salvador, SLV
| | - Victor Caceros
- Radiosurgery, International Cancer Center, Diagnostic Hospital, San Salvador, SLV
| | - William A Reyes
- Radiosurgery, International Cancer Center, Diagnostic Hospital, San Salvador, SLV
| | - Kaory C Barahona
- Radiation Oncology, International Cancer Center, Diagnostic Hospital, San Salvador, SLV
| | - Claudia Cruz
- Anesthesia and Pain Management, Hospital De Diagnóstico, San Salvador, SLV
| | - Juan Arias
- Pain Management, International Cancer Center, San Salvador, SLV
| | - Eduardo Alho
- Functional Neurosurgery, University of Sao Paulo Medical School, Sao Paulo, BRA
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24
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Di Stefano G, Maarbjerg S, Truini A. Trigeminal neuralgia secondary to multiple sclerosis: from the clinical picture to the treatment options. J Headache Pain 2019; 20:20. [PMID: 30782116 PMCID: PMC6734488 DOI: 10.1186/s10194-019-0969-0] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 02/06/2019] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Trigeminal neuralgia is one of the most characteristic and difficult to treat neuropathic pain conditions in patients with multiple sclerosis. The present narrative review addresses the current evidence on diagnostic tests and treatment of trigeminal neuralgia secondary to multiple sclerosis. METHODS We searched for relevant papers within PubMed, EMBASE and the Cochrane Database of Systematic Reviews, taking into account publications up to December 2018. RESULTS Trigeminal neuralgia secondary to multiple sclerosis manifests with facial paroxysmal pain triggered by typical manoeuvres; neurophysiological investigations and MRI support the diagnosis, providing the definite evidence of trigeminal pathway damage. A dedicated MRI is required to identify pontine demyelinating plaques. In many patients with multiple sclerosis, neuroimaging and surgical evidence suggests that neurovascular compression might act in concert with the pontine plaque through a double-crush mechanism. Although no placebo-controlled trials have been conducted in these patients, according to expert opinion the first-line therapy for trigeminal neuralgia secondary to multiple sclerosis relies on sodium-channel blockers, i.e. carbamazepine and oxcarbazepine. The sedative and motor side effects of these drugs frequently warrant an early consideration for neurosurgery. Surgical procedures include Gasserian ganglion percutaneous techniques, gamma knife radiosurgery and microvascular decompression in the posterior fossa. CONCLUSIONS The relatively poor tolerability of the centrally-acting drugs carbamazepine and oxcarbazepine highlights the need to develop new selective and better-tolerated sodium-channel blockers. Prospective studies based on more advanced neuroimaging techniques should focus on how trigeminal anatomical abnormalities may be able to predict the efficacy of microvascular decompression.
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Affiliation(s)
- Giulia Di Stefano
- Department of Human Neurosciences, Sapienza University, Viale Università 30, 00185 Rome, Italy
| | - Stine Maarbjerg
- Danish Headache Center, Department of Neurology, Rigshospitalet - Glostrup, University of Copenhagen, Copenhagen, Denmark
| | - Andrea Truini
- Department of Human Neurosciences, Sapienza University, Viale Università 30, 00185 Rome, Italy
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25
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Demartini C, Greco R, Zanaboni AM, Francesconi O, Nativi C, Tassorelli C, Deseure K. Antagonism of Transient Receptor Potential Ankyrin Type-1 Channels as a Potential Target for the Treatment of Trigeminal Neuropathic Pain: Study in an Animal Model. Int J Mol Sci 2018; 19:ijms19113320. [PMID: 30366396 PMCID: PMC6274796 DOI: 10.3390/ijms19113320] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 10/17/2018] [Accepted: 10/23/2018] [Indexed: 12/16/2022] Open
Abstract
Transient receptor potential ankyrin type-1 (TRPA1) channels are known to actively participate in different pain conditions, including trigeminal neuropathic pain, whose clinical treatment is still unsatisfactory. The aim of this study was to evaluate the involvement of TRPA1 channels by means of the antagonist ADM_12 in trigeminal neuropathic pain, in order to identify possible therapeutic targets. A single treatment of ADM_12 in rats 4 weeks after the chronic constriction injury of the infraorbital nerve (IoN-CCI) significantly reduced the mechanical allodynia induced in the IoN-CCI rats. Additionally, ADM_12 was able to abolish the increased levels of TRPA1, calcitonin gene-related peptide (CGRP), substance P (SP), and cytokines gene expression in trigeminal ganglia, cervical spinal cord, and medulla induced in the IoN-CCI rats. By contrast, no significant differences between groups were seen as regards CGRP and SP protein expression in the pars caudalis of the spinal nucleus of the trigeminal nerve. ADM_12 also reduced TRP vanilloid type-1 (TRPV1) gene expression in the same areas after IoN-CCI. Our findings show the involvement of both TRPA1 and TRPV1 channels in trigeminal neuropathic pain, and in particular, in trigeminal mechanical allodynia. Furthermore, they provide grounds for the use of ADM_12 in the treatment of trigeminal neuropathic pain.
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Affiliation(s)
- Chiara Demartini
- Laboratory of Neurophysiology of Integrative Autonomic Systems, Headache Science Center, IRCCS Mondino Foundation, via Mondino 2, 27100 Pavia, Italy.
| | - Rosaria Greco
- Laboratory of Neurophysiology of Integrative Autonomic Systems, Headache Science Center, IRCCS Mondino Foundation, via Mondino 2, 27100 Pavia, Italy.
| | - Anna Maria Zanaboni
- Laboratory of Neurophysiology of Integrative Autonomic Systems, Headache Science Center, IRCCS Mondino Foundation, via Mondino 2, 27100 Pavia, Italy.
- Department of Brain and Behavioral Sciences, University of Pavia, via Bassi 21, 27100 Pavia, Italy.
| | - Oscar Francesconi
- Department of Chemistry 'Ugo Schiff', University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (FI), Italy.
| | - Cristina Nativi
- Department of Chemistry 'Ugo Schiff', University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (FI), Italy.
| | - Cristina Tassorelli
- Laboratory of Neurophysiology of Integrative Autonomic Systems, Headache Science Center, IRCCS Mondino Foundation, via Mondino 2, 27100 Pavia, Italy.
- Department of Brain and Behavioral Sciences, University of Pavia, via Bassi 21, 27100 Pavia, Italy.
| | - Kristof Deseure
- Department of Medicine, Laboratory for Pain Research, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium.
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26
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Di Stefano G, Truini A, Cruccu G. Current and Innovative Pharmacological Options to Treat Typical and Atypical Trigeminal Neuralgia. Drugs 2018; 78:1433-1442. [PMID: 30178160 PMCID: PMC6182468 DOI: 10.1007/s40265-018-0964-9] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Trigeminal neuralgia is a representative neuropathic facial pain condition, characterised by unilateral paroxysmal pain in the distribution territory of one or more divisions of the trigeminal nerve, triggered by innocuous stimuli. A subgroup of patients with trigeminal neuralgia [TN (previously defined as atypical TN)] also suffer from concomitant continuous pain, i.e. a background pain between the paroxysmal attacks. The aim of this review is to provide current, evidence-based, knowledge about the pharmacological treatment of typical and atypical TN, with a specific focus on drugs in development. We searched for relevant papers within PubMed, EMBASE, the Cochrane Database of Systematic Reviews and the Clinical Trials database (ClinicalTrials.gov), taking into account publications up to February 2018. Two authors independently selected studies for inclusions, data extraction, and bias assessment. Carbamazepine and oxcarbazepine are the first-choice drugs for paroxysmal pain. When sodium channel blockers cannot reach full dosage because of side effects, an add-on treatment with lamotrigine or baclofen should be considered. In patients with atypical TN, both gabapentin and antidepressants are expected to be efficacious and should be tried as an add-on to oxcarbazepine or carbamazepine. Although carbamazepine and oxcarbazepine are effective in virtually the totality of patients, they are responsible for side effects causing withdrawal from treatment in an important percentage of cases. A new, better tolerated, Nav1.7 selective state-dependent, sodium channel blocker (vixotrigine) is under development. Future trials testing the effect of combination therapy in patients with TN are needed, especially in patients with concomitant continuous pain and in TN secondary to multiple sclerosis.
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Affiliation(s)
- G Di Stefano
- Department of Human Neuroscience, Sapienza University, viale Università 30, 00185, Rome, Italy
| | - A Truini
- Department of Human Neuroscience, Sapienza University, viale Università 30, 00185, Rome, Italy
| | - G Cruccu
- Department of Human Neuroscience, Sapienza University, viale Università 30, 00185, Rome, Italy.
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Abstract
PURPOSE OF REVIEW Neuralgias are characterized by pain in the distribution of a cranial or cervical nerve. Typically, they are brief, paroxysmal, painful attacks, although continuous neuropathic pain may occur. The most commonly encountered conditions are trigeminal, postherpetic, and occipital neuralgia. Less common neuralgias include glossopharyngeal, superior laryngeal, auriculotemporal, and nervus intermedius neuralgia, among others. The approach to diagnosis and treatment of this group of disorders is reviewed. RECENT FINDINGS Recent guidelines of medication administration, the use of botulinum toxin, and more targeted procedures have improved treatment of neuralgias. Patients who present with neuralgias should have imaging studies to investigate for structural abnormalities unless the etiology is apparent. Management of both common and rare neuralgias can be challenging and is best guided by the most recent available evidence.
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Affiliation(s)
- Danielle Wilhour
- Jefferson Headache Center, Department of Neurology, Thomas Jefferson University Hospital, Philadelphia, PA, USA.
| | - Stephanie J Nahas
- Jefferson Headache Center, Department of Neurology, Thomas Jefferson University Hospital, Philadelphia, PA, USA
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28
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Liu J, Zhu J, Yuan F, Zhang X, Zhang Q. Abnormal brain white matter in patients with right trigeminal neuralgia: a diffusion tensor imaging study. J Headache Pain 2018; 19:46. [PMID: 29931400 PMCID: PMC6013416 DOI: 10.1186/s10194-018-0871-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 06/13/2018] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Idiopathic or classical trigeminal neuralgia (TN) is a chronic painful condition characterized by intermittent pain attacks. Enough evidence demonstrates classical TN is related to neurovascular compression (NVC) at the trigeminal root entry zone (REZ), but white matter change secondary to TN are not totally known. METHODS Visual Analogue Scale (VAS) and diffusion tensor imaging were performed on 29 patients with right TN and 35 healthy individuals. Voxel-wise analyses were performed with TBSS using multiple diffusion metrics, including fractional anisotropy (FA), mean diffusivity (MD), axial diffusivity (AD) and radial diffusivity (RD). Group differences in these parameters were compared between right TN patients and controls using TBSS and correlations between the white matter change and disease duration and VAS in right TN patients were assessed. Multiple comparison correction were applied to test significant correlations. RESULTS The right TN patients showed significantly lower FA and higher RD in most left white matter (P < 0.05, FWE corrected). Moreover, negative correlations were observed between disease duration and the FA values of left corona radiata, genu of corpus callosum, left external capsule and left cerebral peduncle, and between VAS and the FA values of left corona radiata, left external capsule and left cerebral peduncle (P < 0.05). Positive correlations were observed for disease duration and the RD values of left corona radiata, right external capsule, left fornix cerebri and left cerebral peduncle, and for VAS and the RD values of left corona radiata and left external capsule (P < 0.05). However, once Bonferroni corrections were applied, these correlations were not statistically significant. CONCLUSION These findings suggest that TN selectively impairs widespread white matter, especially contralateral hemisphere, which may be the hallmark of disease severity in TN patients.
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Affiliation(s)
- Junpeng Liu
- School of Medical Imaging, Tianjin Medical University, No. 1, Guangdong Road, Hexi District, Tianjin, 300203, China
| | - Jiajia Zhu
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Fei Yuan
- Department of Radiology, Pingjin Hospital, Logistics University of Chinese People's Armed Police Forces, No. 220, Chenglin Road, Hedong District, Tianjin, 300162, China
| | - Xuejun Zhang
- School of Medical Imaging, Tianjin Medical University, No. 1, Guangdong Road, Hexi District, Tianjin, 300203, China.
| | - Quan Zhang
- Department of Radiology, Pingjin Hospital, Logistics University of Chinese People's Armed Police Forces, No. 220, Chenglin Road, Hedong District, Tianjin, 300162, China.
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Abstract
PURPOSE OF REVIEW Opioid use and abuse has led to a worldwide opioid epidemic. And while opioids are clinically useful when appropriately indicated, they are associated with a wide range of dangerous side effects and whether they are effective at treating or eliminating chronic pain is controversial. There has long been a need for the development of nonopioid alternative treatments for patients that live in pain, and until recently, only a few effective treatments were available. Today, there are a wide range of nonopioid treatments available including NSAIDs, acetaminophen, corticosteroids, nerve blocks, SSRIs, neurostimulators, and anticonvulsants. However, these treatments are still not entirely effective at treating pain, which has sparked a new exploration of novel nonopioid pharmacotherapies. RECENT FINDINGS This manuscript will outline the most recent trends in novel nonopioid pharmacotherapy development including tramadol/dexketoprofen, TrkA inhibitors, tapentadol, opioid agonists, Nektar 181, TRV 130, ßarrestin2, bisphosphonates, antibodies, sodium channel blockers, NMDA antagonists, TRP receptors, transdermal vitamin D, AAK1 kinase inhibition, calcitonin gene-related peptide (CGRP), TRPV4 antagonists, cholecystokinin, delta opioid receptor, neurokinin, and gene therapy. The pharmacotherapies discussed in this manuscript outline promising opioid alternatives which can change the future of chronic pain treatment.
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Abstract
Background: Trigeminal neuralgia (TN) is the most common cranial neuralgia in adults, with a slightly higher incidence in women than in men. This chronic pain condition affects the trigeminal nerve, also known as the 5th cranial nerve. It is one of the most deeply distributed nerves in the head. Antiseizure drugs are the main biomedical treatment of TN. However, TN is not the only source of facial pain. Background persistent idiopathic facial pain (PIFP) is also a chronic disorder, recurring daily for more than 2 hours per day over more than 3 months. PIFP occurs in the absence of a neurologic deficit. The underlying pathophysiologies of TN and PIFP are still unknown, and treatment options have not been sufficiently evaluated. Nevertheless, neuropathic mechanisms could be relevant in both TN and PIFP. Cases: A 65-year-old Caucasian female with left facial pain was diagnosed by a neurologist with TN ∼2.5 years prior to seeking acupuncture treatment. A 42-year-old Caucasian female with left and right facial pain was diagnosed by a neurologist with PIFP ∼3 years prior to commencing acupuncture treatment. The cause of facial pain was treated with 60-minute sessions of I Ching Balance Acupuncture (ICBA) twice per week. Prior to each session, the effect of the previous session was recorded carefully in the patients' files. Results: A complete dissipation of pain was achieved after 29 and 60 ICBA sessions in the TN and the PIFP patient, respectively. Conclusions: The present article is the one of the first to demonstrate the efficacy of ICBA treatment for refractory facial pain. As the present article shows, ICBA treatment affects facial pain of different types successfully. However, additional larger-scale studies are necessary to validate the efficacy of ICBA in TN and PIFP treatment.
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Affiliation(s)
- Arkady Kotlyar
- Outpatient Pain Clinic, Kaplan Medical Center, Rehovot, Israel
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31
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Keppel Hesselink JM, Schatman ME. Phenytoin and carbamazepine in trigeminal neuralgia: marketing-based versus evidence-based treatment. J Pain Res 2017; 10:1663-1666. [PMID: 28761370 PMCID: PMC5522676 DOI: 10.2147/jpr.s141896] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
| | - Michael E Schatman
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA, USA
- Boston Pain Care, Waltham, MA, USA
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