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Ashina S, Robertson CE, Srikiatkhachorn A, Di Stefano G, Donnet A, Hodaie M, Obermann M, Romero-Reyes M, Park YS, Cruccu G, Bendtsen L. Trigeminal neuralgia. Nat Rev Dis Primers 2024; 10:39. [PMID: 38816415 DOI: 10.1038/s41572-024-00523-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/25/2024] [Indexed: 06/01/2024]
Abstract
Trigeminal neuralgia (TN) is a facial pain disorder characterized by intense and paroxysmal pain that profoundly affects quality of life and presents complex challenges in diagnosis and treatment. TN can be categorized as classical, secondary and idiopathic. Epidemiological studies show variable incidence rates and an increased prevalence in women and in the elderly, with familial cases suggesting genetic factors. The pathophysiology of TN is multifactorial and involves genetic predisposition, anatomical changes, and neurophysiological factors, leading to hyperexcitable neuronal states, central sensitization and widespread neural plasticity changes. Neurovascular compression of the trigeminal root, which undergoes major morphological changes, and focal demyelination of primary trigeminal afferents are key aetiological factors in TN. Structural and functional brain imaging studies in patients with TN demonstrated abnormalities in brain regions responsible for pain modulation and emotional processing of pain. Treatment of TN involves a multifaceted approach that considers patient-specific factors, including the type of TN, with initial pharmacotherapy followed by surgical options if necessary. First-line pharmacological treatments include carbamazepine and oxcarbazepine. Surgical interventions, including microvascular decompression and percutaneous neuroablative procedures, can be considered at an early stage if pharmacotherapy is not sufficient for pain control or has intolerable adverse effects or contraindications.
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Affiliation(s)
- Sait Ashina
- BIDMC Comprehensive Headache Center, Department of Neurology, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA.
- BIDMC Comprehensive Headache Center, Department of Anaesthesia, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA.
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | | | - Anan Srikiatkhachorn
- Faculty of Medicine, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand
| | - Giulia Di Stefano
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Anne Donnet
- Department of Evaluation and Treatment of Pain, FHU INOVPAIN, Centre Hospitalier Universitaire de Marseille, Hopital de la Timone, Assistance Publique-Hopitaux de Marseille, Marseille, France
| | - Mojgan Hodaie
- Department of Surgery, Division of Neurosurgery, University of Toronto, Toronto, Ontairo, Canada
| | - Mark Obermann
- Department of Neurology, Hospital Weser-Egge, Hoexter, Germany
- Department of Neurology, University Hospital Essen, Essen, Germany
| | - Marcela Romero-Reyes
- Department of Pain and Neural Sciences, Brotman Facial Pain Clinic, University of Maryland, School of Dentistry, Baltimore, MD, USA
| | - Young Seok Park
- Department of Medical Neuroscience, College of Medicine, Chungbuk National University, Cheongju, Republic of Korea
- Department of Neurosurgery, Gamma Knife Icon Center, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Giorgio Cruccu
- Department of Human Neuroscience, Sapienza University of Rome, Rome, Italy
| | - Lars Bendtsen
- Department of Neurology, Mayo Clinic, Rochester, MN, USA
- Department of Neurology, University of Copenhagen, Danish Headache Center, Copenhagen University Hospital - Rigshospitalet, Glostrup, Copenhagen, Denmark
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Szmyd B, Sołek J, Błaszczyk M, Jankowski J, Liberski PP, Jaskólski DJ, Wysiadecki G, Karuga FF, Gabryelska A, Sochal M, Tubbs RS, Radek M. The Underlying Pathogenesis of Neurovascular Compression Syndromes: A Systematic Review. Front Mol Neurosci 2022; 15:923089. [PMID: 35860499 PMCID: PMC9289473 DOI: 10.3389/fnmol.2022.923089] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 06/09/2022] [Indexed: 11/13/2022] Open
Abstract
Neurovascular compression syndromes (NVC) are challenging disorders resulting from the compression of cranial nerves at the root entry/exit zone. Clinically, we can distinguish the following NVC conditions: trigeminal neuralgia, hemifacial spasm, and glossopharyngeal neuralgia. Also, rare cases of geniculate neuralgia and superior laryngeal neuralgia are reported. Other syndromes, e.g., disabling positional vertigo, arterial hypertension in the course of NVC at the CN IX-X REZ and torticollis, have insufficient clinical evidence for microvascular decompression. The exact pathomechanism leading to characteristic NVC-related symptoms remains unclear. Proposed etiologies have limited explanatory scope. Therefore, we have examined the underlying pathomechanisms stated in the medical literature. To achieve our goal, we systematically reviewed original English language papers available in Pubmed and Web of Science databases before 2 October 2021. We obtained 1694 papers after eliminating duplicates. Only 357 original papers potentially pertaining to the pathogenesis of NVC were enrolled in full-text assessment for eligibility. Of these, 63 were included in the final analysis. The systematic review suggests that the anatomical and/or hemodynamical changes described are insufficient to account for NVC-related symptoms by themselves. They must coexist with additional changes such as factors associated with the affected nerve (e.g., demyelination, REZ modeling, vasculature pathology), nucleus hyperexcitability, white and/or gray matter changes in the brain, or disturbances in ion channels. Moreover, the effects of inflammatory background, altered proteome, and biochemical parameters on symptomatic NVC cannot be ignored. Further studies are needed to gain better insight into NVC pathophysiology.
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Affiliation(s)
- Bartosz Szmyd
- Department of Neurosurgery, Spine and Peripheral Nerve Surgery, Medical University of Lodz, Lodz, Poland
| | - Julia Sołek
- Department of Pathology, Chair of Oncology, Medical University of Lodz, Lodz, Poland
| | - Maciej Błaszczyk
- Department of Neurosurgery, Spine and Peripheral Nerve Surgery, Medical University of Lodz, Lodz, Poland
| | - Jakub Jankowski
- Department of Neurosurgery, Spine and Peripheral Nerve Surgery, Medical University of Lodz, Lodz, Poland
| | - Paweł P. Liberski
- Department of Molecular Pathology and Neuropathology, Medical University of Lodz, Lodz, Poland
| | - Dariusz J. Jaskólski
- Department of Neurosurgery and Neurooncology, Medical University of Lodz, Lodz, Poland
| | - Grzegorz Wysiadecki
- Department of Normal and Clinical Anatomy, Medical University of Lodz, Lodz, Poland
| | - Filip F. Karuga
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, Lodz, Poland
| | - Agata Gabryelska
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, Lodz, Poland
| | - Marcin Sochal
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, Lodz, Poland
| | - R. Shane Tubbs
- Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, United States
- Department of Neurosurgery, Tulane University School of Medicine, New Orleans, LA, United States
- Department of Neurology, Tulane University School of Medicine, New Orleans, LA, United States
- Department of Structural and Cellular Biology, Tulane University School of Medicine, New Orleans, LA, United States
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, United States
- Department of Anatomical Sciences, St. George's University, St. George's, Grenada
- University of Queensland, Brisbane, QLD, Australia
| | - Maciej Radek
- Department of Neurosurgery, Spine and Peripheral Nerve Surgery, Medical University of Lodz, Lodz, Poland
- *Correspondence: Maciej Radek
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