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Single-center long-term results of vagus nerve stimulation for epilepsy: A 10-17 year follow-up study
J. Chrastina, Z. Novák, T. Zeman, J. Kočvarová, M. Pail, I. Doležalová, J. Jarkovský, M. Brázdil,
Jazyk angličtina Země Anglie, Velká Británie
Typ dokumentu časopisecké články
NLK
Free Medical Journals
od 1995 do Před 1 rokem
Elsevier Open Access Journals
od 1995-03-01 do 2023-05-31
Elsevier Open Archive Journals
od 1995-03-01 do Před 1 rokem
- MeSH
- antikonvulziva terapeutické užití MeSH
- časové faktory MeSH
- dospělí MeSH
- epilepsie terapie MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- následné studie MeSH
- paliativní péče MeSH
- prospektivní studie MeSH
- reoperace MeSH
- retrospektivní studie MeSH
- vagová stimulace * přístrojové vybavení MeSH
- výsledek terapie MeSH
- zdroje elektrické energie MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
PURPOSE: The paper presents a long-term follow-up study of VNS patients, analyzing seizure outcome, medication changes, and surgical problems. METHOD: 74 adults with VNS for 10 to 17 years were evaluated yearly as: non-responder - NR (seizure frequency reduction <50%), responder - R (reduction ≥ 50% and <90%), and 90% responder - 90R (reduction ≥ 90%). Delayed R or 90R (≥ 4 years after surgery), patients with antiepileptic medication changes and battery or complete system replacement were identified. Statistical analysis of potential outcome predictors (age, seizure duration, MRI, seizure type) was performed. RESULTS: The rates of R and 90R related to the patients with outcome data available for the study years 1, 2, 10, and 17 were for R 38.4%, 51.4%, 63.6%, and 77.8%, and for 90R 1.4%, 5.6%, 15.1%, and 11.1%. The absolute numbers of R and 90R increased until years 2 and 6. Antiepileptic therapy was changed in 62 patients (87.9%). There were 11 delayed R and four delayed 90R, with medication changes in the majority. At least one battery replacement was performed in 51 patients (68.9%), 49 of whom R or 90R. VNS system was completely replaced in 7 patients (9.5%) and explanted in 7 NR (9.5%). No significant predictor of VNS outcome was found. CONCLUSIONS: After an initial increase, the rate of R and 90R remains stable in long-term follow-up. The changes of antiepileptic treatment in most patients potentially influence the outcome. Battery replacements or malfunctioning system exchange reflect the patient's satisfaction and correlate with good outcomes.
Citace poskytuje Crossref.org
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- $a Chrastina, Jan $u Department of Neurosurgery, St. Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic. Electronic address: jan.chrastina@fnusa.cz.
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- $a Single-center long-term results of vagus nerve stimulation for epilepsy: A 10-17 year follow-up study / $c J. Chrastina, Z. Novák, T. Zeman, J. Kočvarová, M. Pail, I. Doležalová, J. Jarkovský, M. Brázdil,
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- $a PURPOSE: The paper presents a long-term follow-up study of VNS patients, analyzing seizure outcome, medication changes, and surgical problems. METHOD: 74 adults with VNS for 10 to 17 years were evaluated yearly as: non-responder - NR (seizure frequency reduction <50%), responder - R (reduction ≥ 50% and <90%), and 90% responder - 90R (reduction ≥ 90%). Delayed R or 90R (≥ 4 years after surgery), patients with antiepileptic medication changes and battery or complete system replacement were identified. Statistical analysis of potential outcome predictors (age, seizure duration, MRI, seizure type) was performed. RESULTS: The rates of R and 90R related to the patients with outcome data available for the study years 1, 2, 10, and 17 were for R 38.4%, 51.4%, 63.6%, and 77.8%, and for 90R 1.4%, 5.6%, 15.1%, and 11.1%. The absolute numbers of R and 90R increased until years 2 and 6. Antiepileptic therapy was changed in 62 patients (87.9%). There were 11 delayed R and four delayed 90R, with medication changes in the majority. At least one battery replacement was performed in 51 patients (68.9%), 49 of whom R or 90R. VNS system was completely replaced in 7 patients (9.5%) and explanted in 7 NR (9.5%). No significant predictor of VNS outcome was found. CONCLUSIONS: After an initial increase, the rate of R and 90R remains stable in long-term follow-up. The changes of antiepileptic treatment in most patients potentially influence the outcome. Battery replacements or malfunctioning system exchange reflect the patient's satisfaction and correlate with good outcomes.
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- $a Novák, Zdeněk $u Department of Neurosurgery, St. Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic. Electronic address: zdenek.novak@fnusa.cz.
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- $a Kočvarová, Jitka $u Brno Epilepsy Center, Departments of Neurology and Neurosurgery, St. Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic. Electronic address: jitka.krizova@fnusa.cz.
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- $a Doležalová, Irena $u Brno Epilepsy Center, Departments of Neurology and Neurosurgery, St. Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic. Electronic address: irena.dolezalova@fnusa.cz.
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- $a Jarkovský, Jiří, $d 1976- $7 stk2008461294 $u Institute of Biostatistics and Analyses, Masaryk University Medical Faculty, Brno, Czech Republic. Electronic address: jarkovsky@iba.muni.cz.
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- $a Brázdil, Milan $u Brno Epilepsy Center, Departments of Neurology and Neurosurgery, St. Anne's University Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic; Behavioral and Social Neuroscience Research Group, CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic. Electronic address: milan.brazdil@fnusa.cz.
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