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Postoperative de novo epilepsy after craniotomy: a nationwide register-based cohort study
BACKGROUND AND OBJECTIVES: The risks of postoperative risk of epilepsy after a craniotomy is widely believed to be raised. A study is warranted to quantify the risks for any neurosurgical indication. In this unselected register-based nationwide cohort study with virtually complete follow-up, the sho...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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BMJ Publishing Group
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8921591/ https://www.ncbi.nlm.nih.gov/pubmed/34845003 http://dx.doi.org/10.1136/jnnp-2021-326968 |
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author | Giraldi, Laura Vinsløv Hansen, Jørgen Wohlfahrt, Jan Fugleholm, Kåre Melbye, Mads Munch, Tina Nørgaard |
author_facet | Giraldi, Laura Vinsløv Hansen, Jørgen Wohlfahrt, Jan Fugleholm, Kåre Melbye, Mads Munch, Tina Nørgaard |
author_sort | Giraldi, Laura |
collection | PubMed |
description | BACKGROUND AND OBJECTIVES: The risks of postoperative risk of epilepsy after a craniotomy is widely believed to be raised. A study is warranted to quantify the risks for any neurosurgical indication. In this unselected register-based nationwide cohort study with virtually complete follow-up, the short-term and long-term cumulative risks of postoperative de novo epilepsy for all major neurosurgical indications were estimated. METHODS: The study was based on 8948 first-time craniotomy patients in Denmark 1 January 2005 to 31 December 2015 with follow-up until 31 December 2016. The patients were classified according to their underlying neurosurgical pathology. Patients with preoperative epilepsy were excluded. The postcraniotomy risks of de novo epilepsy were estimated using the Aalen-Johansen estimator in a multistate model. RESULTS: The overall cumulative 1-year risk of postcraniotomy de novo epilepsy was 13.9% (95% CI 13.2 to 14.6). For patients with intracranial tumour the cumulative 1-year risk was 15.4% (95% CI 14.4 to 16.5), for spontaneous intracranial haemorrhage 11.3% (95% CI 10.1 to 12.6), for traumatic intracranial haemorrhage 11.1% (95% CI 9.6 to 12.9), for cerebral abscess 27.6% (95% CI 22.8 to 33.5) and for congenital malformations 3.8% (95% CI 1.3 to 11.7). The 6-month, 1-year and 5-year risks for all major indications by specific subtypes are provided. CONCLUSIONS: The cumulative risk of de novo epilepsy following craniotomy is high for patients with any indication for craniotomy, as compared with the background population. The results provide comprehensive data to support future recommendations regarding prophylactic antiepileptic treatment and driving restrictions. |
format | Online Article Text |
id | pubmed-8921591 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | BMJ Publishing Group |
record_format | MEDLINE/PubMed |
spelling | pubmed-89215912022-03-25 Postoperative de novo epilepsy after craniotomy: a nationwide register-based cohort study Giraldi, Laura Vinsløv Hansen, Jørgen Wohlfahrt, Jan Fugleholm, Kåre Melbye, Mads Munch, Tina Nørgaard J Neurol Neurosurg Psychiatry Neurosurgery BACKGROUND AND OBJECTIVES: The risks of postoperative risk of epilepsy after a craniotomy is widely believed to be raised. A study is warranted to quantify the risks for any neurosurgical indication. In this unselected register-based nationwide cohort study with virtually complete follow-up, the short-term and long-term cumulative risks of postoperative de novo epilepsy for all major neurosurgical indications were estimated. METHODS: The study was based on 8948 first-time craniotomy patients in Denmark 1 January 2005 to 31 December 2015 with follow-up until 31 December 2016. The patients were classified according to their underlying neurosurgical pathology. Patients with preoperative epilepsy were excluded. The postcraniotomy risks of de novo epilepsy were estimated using the Aalen-Johansen estimator in a multistate model. RESULTS: The overall cumulative 1-year risk of postcraniotomy de novo epilepsy was 13.9% (95% CI 13.2 to 14.6). For patients with intracranial tumour the cumulative 1-year risk was 15.4% (95% CI 14.4 to 16.5), for spontaneous intracranial haemorrhage 11.3% (95% CI 10.1 to 12.6), for traumatic intracranial haemorrhage 11.1% (95% CI 9.6 to 12.9), for cerebral abscess 27.6% (95% CI 22.8 to 33.5) and for congenital malformations 3.8% (95% CI 1.3 to 11.7). The 6-month, 1-year and 5-year risks for all major indications by specific subtypes are provided. CONCLUSIONS: The cumulative risk of de novo epilepsy following craniotomy is high for patients with any indication for craniotomy, as compared with the background population. The results provide comprehensive data to support future recommendations regarding prophylactic antiepileptic treatment and driving restrictions. BMJ Publishing Group 2022-04 2021-11-29 /pmc/articles/PMC8921591/ /pubmed/34845003 http://dx.doi.org/10.1136/jnnp-2021-326968 Text en © Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. https://creativecommons.org/licenses/by-nc/4.0/This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ (https://creativecommons.org/licenses/by-nc/4.0/) . |
spellingShingle | Neurosurgery Giraldi, Laura Vinsløv Hansen, Jørgen Wohlfahrt, Jan Fugleholm, Kåre Melbye, Mads Munch, Tina Nørgaard Postoperative de novo epilepsy after craniotomy: a nationwide register-based cohort study |
title | Postoperative de novo epilepsy after craniotomy: a nationwide register-based cohort study |
title_full | Postoperative de novo epilepsy after craniotomy: a nationwide register-based cohort study |
title_fullStr | Postoperative de novo epilepsy after craniotomy: a nationwide register-based cohort study |
title_full_unstemmed | Postoperative de novo epilepsy after craniotomy: a nationwide register-based cohort study |
title_short | Postoperative de novo epilepsy after craniotomy: a nationwide register-based cohort study |
title_sort | postoperative de novo epilepsy after craniotomy: a nationwide register-based cohort study |
topic | Neurosurgery |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8921591/ https://www.ncbi.nlm.nih.gov/pubmed/34845003 http://dx.doi.org/10.1136/jnnp-2021-326968 |
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