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Yamada T, Tanaka E, Kishitani T, Kojima Y, Nakashima D, Kitaoji T, Teramukai S, Nagakane Y. Effects of preceding antiplatelet agents on severity of ischemic stroke in patients with a history of stroke. J Neurol Sci 2024; 456:122857. [PMID: 38154249 DOI: 10.1016/j.jns.2023.122857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 12/30/2023]
Abstract
INTRODUCTION Antiplatelet agents are effective for secondary prevention of ischemic stroke and can reduce the severity of first-ever ischemic stroke. However, it is uncertain if prophylactic antiplatelet therapy reduces the severity of recurrent ischemic stroke. The aim of this study was to determine the effect of preceding antiplatelet treatment on the severity of thrombotic stroke (TS) in patients with a prior history of stroke. METHODS From a prospective hospital registry of 1338 consecutive patients with acute ischemic stroke, we identified patients with a prior history of stroke who were admitted for cardioembolic stroke (CE); TS including large-artery atherosclerosis, small vessel occlusion, and branch atheromatous disease; or other cause or cryptogenic stroke (OCS). Cases in each subtype were categorized based on preceding medication: antiplatelet agents (AP) and none (N). Severity of stroke (National Institutes of Health Stroke Scale: NIHSS) on admission was compared between AP and N cases. RESULTS The total cohort of 252 patients included 83 with CE, 102 with TS, and 67 with OCS. After excluding those with prior anticoagulants, the median NIHSS on admission was lower in AP cases than in N cases (3 vs. 5, p = 0.002). In multivariate analysis, preceding AP treatment was independently associated with minor stroke (NIHSS ≤4) on admission in CE group (OR 8.48, 95% CI 1.71-62.9, p = 0.008) and TS group (OR 4.24, 95% CI 1.44-13.4, p = 0.009). CONCLUSION Preceding antiplatelet treatment in patients with a prior history of stroke may reduce the severity of subsequent thrombotic and cardiogenic stroke.
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Affiliation(s)
- Takehiro Yamada
- Department of Neurology, Kyoto Second Red Cross Hospital, 355-5 Haruobi-cho, Kamigyo-ku, Kyoto 602-8026, Japan.
| | - Eijirou Tanaka
- Department of Neurology, Kyoto Second Red Cross Hospital, 355-5 Haruobi-cho, Kamigyo-ku, Kyoto 602-8026, Japan
| | - Toru Kishitani
- Department of Neurology, Kyoto Second Red Cross Hospital, 355-5 Haruobi-cho, Kamigyo-ku, Kyoto 602-8026, Japan
| | - Yuta Kojima
- Department of Neurology, Kyoto Second Red Cross Hospital, 355-5 Haruobi-cho, Kamigyo-ku, Kyoto 602-8026, Japan
| | - Daisuke Nakashima
- Department of Neurology, Kyoto Second Red Cross Hospital, 355-5 Haruobi-cho, Kamigyo-ku, Kyoto 602-8026, Japan
| | - Takamasa Kitaoji
- Department of Neurology, Kyoto Second Red Cross Hospital, 355-5 Haruobi-cho, Kamigyo-ku, Kyoto 602-8026, Japan
| | - Satoshi Teramukai
- Department of Biostatistics, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan
| | - Yoshinari Nagakane
- Department of Neurology, Kyoto Second Red Cross Hospital, 355-5 Haruobi-cho, Kamigyo-ku, Kyoto 602-8026, Japan
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Hamanaka M, Tanaka E, Yamada T, Kishitani T, Fujinami J, Nagakane Y. Long-term effectiveness of anticoagulants in oldest-old stroke survivors with atrial fibrillation. J Clin Neurosci 2022; 102:21-25. [DOI: 10.1016/j.jocn.2022.05.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/23/2022] [Accepted: 05/31/2022] [Indexed: 11/16/2022]
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Tanaka E, Nagakane Y, Yamada T, Kishitani T. Early recurrence in patients with symptomatic, non-cardioembolic, internal carotid artery occlusion. J Stroke Cerebrovasc Dis 2022; 31:106571. [PMID: 35732086 DOI: 10.1016/j.jstrokecerebrovasdis.2022.106571] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 03/28/2022] [Accepted: 05/15/2022] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION There are limited data on the clinical course of patients with non-cardioembolic, mostly atherosclerotic, internal carotid artery occlusion (ICAO). The purpose of this study was to elucidate the frequency and underlying pathogenesis of early recurrent ischemic stroke in symptomatic non-cardioembolic ICAO. MATERIALS AND METHODS Consecutive patients with symptomatic non-cardioembolic ICAO were retrospectively reviewed. Those who had a tandem occlusion of the proximal middle cerebral artery (MCA) or underwent endovascular thrombectomy were excluded. Early recurrent stroke was defined as deterioration of the NIHSS score by ≥1 point with new lesions on magnetic resonance (MR) diffusion-weighted imaging (DWI) in the ipsilateral territory of the ICAO within 30 days of the index stroke onset. Patients were classified into two groups on carotid ultrasonography: cervical occlusion and intracranial occlusion. The presumed pathogenesis of recurrent stroke was categorized as embolic or hemodynamic according to the topographical features of subsequent lesions on DWI. RESULTS Of 36 consecutive medically treated patients with symptomatic non-cardioembolic ICAO without tandem MCA occlusion, 23 patients had cervical occlusion, and 13 had intracranial occlusion. Early recurrent stroke occurred in 16 patients (44.4%), which happened much more with intracranial occlusion than with cervical occlusion (69.2% vs 30.4%, p<0.02). Focusing on the presumed pathogenesis, hemodynamic was more common than embolic (68.8% vs 31.2%), especially with intracranial occlusion (77.8%). CONCLUSIONS Early recurrent stroke occurs at a high frequency in symptomatic non-cardioembolic ICAO, and intracranial occlusion may be a risk factor for early recurrent stroke. The pathogenesis of recurrence is more often hemodynamic than embolic.
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Affiliation(s)
- Eijirou Tanaka
- Department of Neurology, Kyoto Second Red Cross Hospital, Kyoto, Japan.
| | | | - Takehiro Yamada
- Department of Neurology, Kyoto Second Red Cross Hospital, Kyoto, Japan
| | - Toru Kishitani
- Department of Neurology, Kyoto Second Red Cross Hospital, Kyoto, Japan
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Kitazaki Y, Ikawa M, Kishitani T, Kamisawa T, Nakane S, Nakamoto Y, Hamano T. Progressive Encephalomyelitis with Rigidity and Myoclonus (PERM)-like Symptoms Associated with Anti-ganglionic Acetylcholine Receptor Antibodies. Intern Med 2021; 60:2307-2313. [PMID: 33583893 PMCID: PMC8355408 DOI: 10.2169/internalmedicine.6419-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
This report describes a 59-year-old woman who presented with progressive encephalomyelitis with rigidity and myoclonus (PERM)-like symptoms and severe dysautonomia, including orthostatic hypotension, sinus bradycardia, dysuria, and prolonged constipation. Her neurological symptoms improved after immunotherapy, but the dysautonomia persisted. Anti-ganglionic acetylcholine receptor (gAChR) α3 subunit antibodies, which are frequently identified in patients with autoimmune autonomic ganglionopathy, were detected in the pre-treatment serum. The central distribution of the nicotinic acetylcholine receptors, a target of anti-gAChR antibodies, and immunotherapeutic efficacy observed in this case indicate that anti-gAChR α3 subunit antibodies are associated with the PERM-like features accompanied by autonomic manifestations.
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Affiliation(s)
- Yuki Kitazaki
- Department of Neurology, Fukui-ken Saiseikai Hospital, Japan
- Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Japan
| | - Masamichi Ikawa
- Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Japan
- Department of Advanced Medicine for Community Healthcare, Faculty of Medical Sciences, University of Fukui, Japan
| | - Toru Kishitani
- Department of Neurology, Fukui-ken Saiseikai Hospital, Japan
- Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Japan
| | - Tomoko Kamisawa
- Department of Neurology, Fukui-ken Saiseikai Hospital, Japan
- Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Japan
| | - Shunya Nakane
- Department of Neurology, Graduate School of Medical Sciences, Kumamoto University, Japan
| | - Yasunari Nakamoto
- Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Japan
| | - Tadanori Hamano
- Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Japan
- Department of Aging and Dementia, Faculty of Medical Sciences, University of Fukui, Japan
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Kitazaki Y, Ikawa M, Yamaguchi T, Enomoto S, Kishitani T, Shirafuji N, Hayashi K, Yamamura O, Nakamoto Y, Hamano T. Autoimmune Encephalitis Associated with Anti-gamma-aminobutyric Acid B Receptor Antibodies Mimicking Syncope. Intern Med 2020; 59:843-847. [PMID: 31813910 PMCID: PMC7118379 DOI: 10.2169/internalmedicine.3652-19] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Autoimmune encephalitis associated with autoantibodies to the gamma-aminobutyric acid B receptor (GABABR-AE) typically involves limbic symptoms with limbic abnormalities visible in brain magnetic resonance imaging (MRI). We herein report a case of a 48-year-old man with GABABR-AE whose initial presentation was limited to syncope without limbic symptoms or MRI abnormalities. Interestingly, serial MRI also revealed no abnormalities even after the appearance of limbic symptoms. Our findings suggest that GABABR-AE can initially mimic common syncope and that MRI findings may remain normal throughout the clinical course. Even if patients have normal MRI findings, GABABR-AE should be considered if limbic symptoms worsen.
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Affiliation(s)
- Yuki Kitazaki
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
| | - Masamichi Ikawa
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
- Department of Advanced Medicine for Community Healthcare, Faculty of Medical Sciences, University of Fukui, Japan
| | - Tomohisa Yamaguchi
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
| | - Soichi Enomoto
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
- Department of Aging and Dementia, Faculty of Medical Sciences, University of Fukui, Japan
| | - Toru Kishitani
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
| | - Norimichi Shirafuji
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
| | - Koji Hayashi
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
| | - Osamu Yamamura
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
| | - Yasunari Nakamoto
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
| | - Tadanori Hamano
- Second Department of Internal Medicine (Neurology), Faculty of Medical Sciences, University of Fukui, Japan
- Department of Aging and Dementia, Faculty of Medical Sciences, University of Fukui, Japan
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Kishitani T, Matsunaga A, Ikawa M, Hayashi K, Yamamura O, Hamano T, Watanabe O, Tanaka K, Nakamoto Y, Yoneda M. Limbic encephalitis associated with anti-NH2-terminal of α-enolase antibodies: A clinical subtype of Hashimoto encephalopathy. Medicine (Baltimore) 2017; 96:e6181. [PMID: 28272206 PMCID: PMC5348154 DOI: 10.1097/md.0000000000006181] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Several types of autoantibodies have been reported in autoimmune limbic encephalitis (LE), such as antibodies against the voltage-gated potassium channel (VGKC) complex including leucine-rich glioma inactivated 1 (LGI1). We recently reported a patient with autoimmune LE and serum anti-NH2-terminal of α-enolase (NAE) antibodies, a specific diagnostic marker for Hashimoto encephalopathy (HE), who was diagnosed with HE based on the presence of antithyroid antibodies and responsiveness to immunotherapy. This case suggests that LE patients with antibodies to both the thyroid and NAE could be diagnosed with HE and respond to immunotherapy. The aim of this study was to clarify the clinicoimmunological features and efficacy of immunotherapy in LE associated with anti-NAE antibodies to determine whether the LE is a clinical subtype of HE.We examined serum anti-NAE antibodies in 78 LE patients with limbic abnormality on magnetic resonance imaging and suspected HE based on positivity for antithyroid antibodies. Nineteen of the 78 patients had anti-NAE antibodies; however, 5 were excluded because they were double positive for antibodies to the VGKC complex including LGI1. No antibodies against the N-methyl-D-aspartate receptor (NMDAR), contactin-associated protein 2 (Caspr2), γ-aminobutyric acid-B receptor (GABABR), or α-amino-3-hydroxy-5-methylisoxazole-4-propionic acid receptor (AMPAR) were detected in the 19 patients. Among the remaining 14 who were positive only for anti-NAE antibodies, the median age was 62.5 (20-83) years, 9 (64%) were women, and 8 (57%) showed acute onset, with less than 2 weeks between onset and admission. Consciousness disturbance (71%) and memory disturbance (64%) were frequently observed, followed by psychiatric symptoms (50%) and seizures (43%). The frequency of these symptoms significantly differed between the acute- and subacute-onset groups. Abnormalities in cerebrospinal fluid and electroencephalogram were commonly observed (92% for both). Tumors were not identified in any cases. All patients responded to immunotherapy or spontaneously remitted, thereby fulfilling the criteria of HE.This study demonstrated that LE associated with anti-NAE antibodies is a nonparaneoplastic LE and various limbic symptoms that depend on the onset type. Favorable therapeutic efficacy suggests that this LE can be considered a clinical subtype of HE and that anti-NAE antibodies may be a promising indicator of the need for immunotherapy.
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Affiliation(s)
- Toru Kishitani
- The Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui
| | - Akiko Matsunaga
- The Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui
| | - Masamichi Ikawa
- The Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui
| | - Kouji Hayashi
- The Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui
| | - Osamu Yamamura
- The Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui
| | - Tadanori Hamano
- The Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui
| | - Osamu Watanabe
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima
| | - Keiko Tanaka
- Department of Neurology, Kanazawa Medical University, Ishikawa
| | - Yasunari Nakamoto
- The Second Department of Internal Medicine, Faculty of Medical Sciences, University of Fukui, Fukui
| | - Makoto Yoneda
- Faculty of Nursing and Social Welfare Sciences, Fukui Prefectural University, Fukui, Japan
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Muramatsu T, Hayashi H, Kishitani T, Miura T, Arai Y, Kobayashi Y. [A long-term follow up of right ophthalmoplegia and severe right middle cerebral artery stenosis with right herpes zoster ophthalmics: a case report]. Rinsho Shinkeigaku 2015; 55:406-11. [PMID: 26103813 DOI: 10.5692/clinicalneurol.cn-000651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Here we report a case of a 68-year-old man with severe stenosis of the right middle cerebral artery (MCA) following herpes zoster ophthalmicus. He presented with right-sided ptosis and ophthalmoplegia 2 months after herpes zoster ophthalmicus. Cerebrospinal fluid (CSF) analysis revealed monocytosis, increased protein levels, and positivity for herpes zoster virus immunoglobulin M (IgM). Brain magnetic resonance imaging (MRI) revealed a small asymptomatic infarct in the right basal ganglia and severe stenosis of the right MCA (M1 segment). One month later, he presented with muscle weakness of the fingers of the left hand. Repeat CSF analysis revealed similar abnormalities to the previous analysis, and MRI showed a new small infarct in the right-sided motor area corresponding to the left fingers. He was treated with acyclovir (750 mg/day), prednisolone (1 mg/kg/day), and aspirin (100 mg/day). O2-gas positron emission tomography (PET) revealed decreased cerebral blood flow (CBF) after acetazolamide injection and normal cerebral vascular reactivity (CVR). He was on continuous treatment with prednisolone and aspirin for 1 year. The muscle weakness of the fingers of the left hand and right-sided ophthalmoplegia improved, and magnetic resonance angiography revealed considerable decrease in the stenosis of the right middle cerebral artery. CBF before and after acetazolamide injection and CVR on O2-gas PET also normalized. These results suggested that long-term treatment may prevent subsequent infarcts following herpes zoster ophthalmics.
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Affiliation(s)
- Tomoko Muramatsu
- Department of Rehabilitation and Neurology, Fukui General Hospital
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Kishitani T, Matsunaga A, Yoneda M. [The biomarker and treatment in Hashimoto's encephalopahty]. Nihon Rinsho 2013; 71:893-897. [PMID: 23777101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Hashimoto's encephalopathy (HE) is a treatable disease based on autoimmune mechanisms associated with Hashimoto's thyroiditis. We recently discovered the serum autoantibodies (Abs) against the NH2-terminal of alpha-enolase (NAE) as a diagnostic biomarker for HE. The serum anti-NAE Abs are not detected in normal individuals and other disorders such as infections, collagen diseases, multiple sclerosis and other autoimmune conditions. The specificity of the serum anti-NAE Abs is 91% for HE whereas the sensitivity is 50%. In our clinical study of 80 cases of HE with anti-NAE Abs, the acute encephalopathic form was the most common clinical feature, and followed by chronic psychiatric form and progressive ataxia form. The common neuropsychiatric features were consciousness disturbance, psychosis (especially delirium and hallucination), seizures and dementia. Abnormalities on EEG and decreased blood flow on SPECT were common while abnormalities on brain MRI were rare. The early diagnosis and treatment for HE could lead to good recovery from the disease. Taken together, the serum anti-NAE Abs are a useful diagnostic biomarker for HE.
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Ueno A, Hamano T, Tsutsui H, Shirafuji N, Nishino H, Nagata M, Endo Y, Kishitani T, Muramatsu T, Takeda T, Nakachi R, Matsunaga A, Ikawa M, Yamamura O, Yoneda M. P2‐333: Delusions of theft in patients with dementia. Alzheimers Dement 2012. [DOI: 10.1016/j.jalz.2012.05.1042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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