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Mansueto G, Lanza G, Falleti J, Orabona P, Alaouieh D, Hong E, Girolami S, Montella M, Fisicaro F, Galdieri A, Singh P, Di Napoli M. Central and Peripheral Nervous System Complications of Vasculitis Syndromes from Pathology to Bedside: Part 2-Peripheral Nervous System. Curr Neurol Neurosci Rep 2023; 23:83-107. [PMID: 36820992 PMCID: PMC9947450 DOI: 10.1007/s11910-023-01249-3] [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: 01/18/2023] [Indexed: 02/24/2023]
Abstract
PURPOSE OF REVIEW Peripheral nervous system vasculitides (PNSV) are a heterogeneous group of disorders with a clinical subset that may differ in prognosis and therapy. We provide a comprehensive update on the clinical assessment, diagnosis, complications, treatment, and follow-up of PNSV. RECENT FINDINGS Progress in neuroimaging, molecular testing, and peripheral nerve biopsy has improved clinical assessment and decision-making of PNSV, also providing novel insights on how to prevent misdiagnosis and increase diagnostic certainty. Advances in imaging techniques, allowing to clearly display the vessel walls, have also enhanced the possibility to differentiate inflammatory from non-inflammatory vascular lesions, while recent histopathology data have identified the main morphological criteria for more accurate diagnosis and differential diagnoses. Overall, the identification of peculiar morphological findings tends to improve diagnostic accuracy by defining a clearer boundary between systemic and non-systemic neuropathies. Therefore, the definition of epineurium vessel wall damage, type of vascular lesion, characterization of lymphocyte populations, antibodies, and inflammatory factors, as well as the identification of direct nerve damage or degeneration, are the common goals for pathologists and clinicians, who will both benefit for data integration and findings translation. Nevertheless, to date, treatment is still largely empiric and, in some cases, unsatisfactory, thus often precluding precise prognostic prediction. In this context, new diagnostic techniques and multidisciplinary management will be essential in the proper diagnosis and prompt management of PNSV, as highlighted in the present review. Thirty to fifty percent of all patients with vasculitis have signs of polyneuropathy. Neuropathies associated with systemic vasculitis are best managed according to the guidelines of the underlying disease because appropriate workup and initiation of treatment can reduce morbidity. Steroids, or in severe or progressive cases, cyclophosphamide pulse therapy is the standard therapy in non-systemic vasculitic neuropathies. Some patients need long-term immunosuppression. The use of novel technologies for high-throughput genotyping will permit to determine the genetic influence of related phenotypes in patients with PNSV.
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Affiliation(s)
- Gelsomina Mansueto
- Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania "Luigi Vanvitelli", Piazza L. Miraglia 2, 80138, Naples, Italy.,Clinical Department of Laboratory Services and Public Health-Legal Medicine Unit, University of Campania "Luigi Vanvitelli", Via Luciano Armanni 5, 80138, Naples, Italy.,Pathology-Unit of Federico II University, Via S. Pansini 3, 80131, Naples, Italy
| | - Giuseppe Lanza
- Department of Surgery and Medical-Surgical Specialties, University of Catania, Via Santa Sofia 78, 95123, Catania, Italy.,Clinical Neurophysiology Research Unit, Oasi Research Institute-IRCCS, Via Conte Ruggero 73, 94018, Troina, Italy
| | - Jessica Falleti
- Pathology Unit, Sant'Anna E San Sebastiano Hospital, 81100, Caserta, Italy
| | - Pasquale Orabona
- Pathology Unit, Sant'Anna E San Sebastiano Hospital, 81100, Caserta, Italy
| | | | - Emily Hong
- School of Medicine, University of New Mexico, Albuquerque, NM, USA
| | - Sara Girolami
- Neurological Service, SS Annunziata Hospital, Viale Mazzini 100, 67039, Sulmona, L'Aquila, Italy
| | - Marco Montella
- Mental and Physical Health and Preventive Medicine Department, University of Campania "Luigi Vanvitelli", Via Luciano Armanni 5, 80138, Naples, Italy
| | - Francesco Fisicaro
- Department of Biomedical and Biotechnological Sciences, University of Catania, Via Santa Sofia 97, 95123, Catania, Italy
| | - Anna Galdieri
- AOU "Luigi Vanvitelli", Via Santa Maria Di Costantinopoli 104, 80138, Naples, Italy
| | - Puneetpal Singh
- Department of Human Genetics, Punjabi University, Patiala, 147002, Punjab, India
| | - Mario Di Napoli
- Neurological Service, SS Annunziata Hospital, Viale Mazzini 100, 67039, Sulmona, L'Aquila, Italy.
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Abstract
PURPOSE OF REVIEW This article describes the neurologic sequelae of various nutritional micronutrient deficiencies, celiac disease, inflammatory bowel disease, and liver disease. Where relevant, appropriate treatments for these conditions are also discussed. The developing field of the microbiome and nervous system interaction is also outlined. RECENT FINDINGS Pathology in the gastrointestinal system can affect the nervous system when it causes micronutrient deficiency, when immune responses created by the gastrointestinal system affect the nervous system, when toxins caused by gastrointestinal organ failure harm the nervous system, and when treatments aimed at a gastrointestinal medical condition cause damage to the nervous system as a side effect. SUMMARY This article addresses familiar concepts and new developments in the treatment and understanding of diseases that affect the gut and nervous system simultaneously.
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