Impact of surgery in patients with multiple sclerosis: a nationwide cohort study

BackgroundSurgery is a common exposure. Multiple sclerosis (MS) is a chronic neuroinflammatory demyelinating disease of the central nervous system and a systemic inflammatory activation caused by surgery may result in exacerbation of the disease. It is unknown how surgical procedures affect morbidit...

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Main Authors: Emma Larsson, Ellen Iacobaeus, Erik von Oelreich, Jesper Eriksson, Jessica Kåhlin
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-06-01
Series:Frontiers in Neurology
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Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2025.1573349/full
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author Emma Larsson
Emma Larsson
Ellen Iacobaeus
Ellen Iacobaeus
Erik von Oelreich
Erik von Oelreich
Jesper Eriksson
Jesper Eriksson
Jessica Kåhlin
Jessica Kåhlin
author_facet Emma Larsson
Emma Larsson
Ellen Iacobaeus
Ellen Iacobaeus
Erik von Oelreich
Erik von Oelreich
Jesper Eriksson
Jesper Eriksson
Jessica Kåhlin
Jessica Kåhlin
author_sort Emma Larsson
collection DOAJ
description BackgroundSurgery is a common exposure. Multiple sclerosis (MS) is a chronic neuroinflammatory demyelinating disease of the central nervous system and a systemic inflammatory activation caused by surgery may result in exacerbation of the disease. It is unknown how surgical procedures affect morbidity and mortality rates in MS.ObjectivesThis study aimed to investigate morbidity associated with surgical interventions in MS patients by assessing disease burden before and after surgery. Non-MS patients were used as controls, allowing for comparisons of disease burden and mortality between the two groups.MethodsThe cohort study analyzed data from the Swedish Perioperative Register, including 3,022 MS patients among over 1.5 million surgeries performed between January 2019 and March 2023. Disease burden was measured as the number of pre-specified ICD-codes before and after surgery.ResultsWe demonstrated that MS patients exhibited a higher mean number of diagnoses before and after surgery compared to controls. Specifically, the number of diagnoses peaked in the first month post-surgery but returned to baseline within three to 4 months. Notably, there were no significant differences in 30-day or 365-day mortality rates between MS and non-MS patients, highlighting the relative safety of surgical interventions for persons with MS.ConclusionThe findings suggest that surgery is generally safe for patients with MS, indicating that MS should not preclude necessary surgical interventions. Nevertheless, tailored preoperative assessments and postoperative care strategies are essential to address the unique health challenges encountered by MS patients, ensuring optimal surgical outcomes and monitoring for potential complications.
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spelling doaj-art-01183b00d80148edbeaba5bd6acd4edd2025-06-26T04:10:27ZengFrontiers Media S.A.Frontiers in Neurology1664-22952025-06-011610.3389/fneur.2025.15733491573349Impact of surgery in patients with multiple sclerosis: a nationwide cohort studyEmma Larsson0Emma Larsson1Ellen Iacobaeus2Ellen Iacobaeus3Erik von Oelreich4Erik von Oelreich5Jesper Eriksson6Jesper Eriksson7Jessica Kåhlin8Jessica Kåhlin9Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, SwedenDepartment of Perioperative Medicine and Intensive Care, Karolinska University Hospital Solna, Stockholm, SwedenDepartment of Clinical Neuroscience, Karolinska Institutet, Stockholm, SwedenDepartment of Neurology, Karolinska University Hospital, Stockholm, SwedenDepartment of Physiology and Pharmacology, Karolinska Institutet, Stockholm, SwedenDepartment of Perioperative Medicine and Intensive Care, Karolinska University Hospital Solna, Stockholm, SwedenDepartment of Physiology and Pharmacology, Karolinska Institutet, Stockholm, SwedenDepartment of Perioperative Medicine and Intensive Care, Karolinska University Hospital Solna, Stockholm, SwedenDepartment of Physiology and Pharmacology, Karolinska Institutet, Stockholm, SwedenDepartment of Perioperative Medicine and Intensive Care, Karolinska University Hospital Solna, Stockholm, SwedenBackgroundSurgery is a common exposure. Multiple sclerosis (MS) is a chronic neuroinflammatory demyelinating disease of the central nervous system and a systemic inflammatory activation caused by surgery may result in exacerbation of the disease. It is unknown how surgical procedures affect morbidity and mortality rates in MS.ObjectivesThis study aimed to investigate morbidity associated with surgical interventions in MS patients by assessing disease burden before and after surgery. Non-MS patients were used as controls, allowing for comparisons of disease burden and mortality between the two groups.MethodsThe cohort study analyzed data from the Swedish Perioperative Register, including 3,022 MS patients among over 1.5 million surgeries performed between January 2019 and March 2023. Disease burden was measured as the number of pre-specified ICD-codes before and after surgery.ResultsWe demonstrated that MS patients exhibited a higher mean number of diagnoses before and after surgery compared to controls. Specifically, the number of diagnoses peaked in the first month post-surgery but returned to baseline within three to 4 months. Notably, there were no significant differences in 30-day or 365-day mortality rates between MS and non-MS patients, highlighting the relative safety of surgical interventions for persons with MS.ConclusionThe findings suggest that surgery is generally safe for patients with MS, indicating that MS should not preclude necessary surgical interventions. Nevertheless, tailored preoperative assessments and postoperative care strategies are essential to address the unique health challenges encountered by MS patients, ensuring optimal surgical outcomes and monitoring for potential complications.https://www.frontiersin.org/articles/10.3389/fneur.2025.1573349/fullmultiple sclerosissurgeryperioperative carehealth care utilizationpostoperative outcome
spellingShingle Emma Larsson
Emma Larsson
Ellen Iacobaeus
Ellen Iacobaeus
Erik von Oelreich
Erik von Oelreich
Jesper Eriksson
Jesper Eriksson
Jessica Kåhlin
Jessica Kåhlin
Impact of surgery in patients with multiple sclerosis: a nationwide cohort study
Frontiers in Neurology
multiple sclerosis
surgery
perioperative care
health care utilization
postoperative outcome
title Impact of surgery in patients with multiple sclerosis: a nationwide cohort study
title_full Impact of surgery in patients with multiple sclerosis: a nationwide cohort study
title_fullStr Impact of surgery in patients with multiple sclerosis: a nationwide cohort study
title_full_unstemmed Impact of surgery in patients with multiple sclerosis: a nationwide cohort study
title_short Impact of surgery in patients with multiple sclerosis: a nationwide cohort study
title_sort impact of surgery in patients with multiple sclerosis a nationwide cohort study
topic multiple sclerosis
surgery
perioperative care
health care utilization
postoperative outcome
url https://www.frontiersin.org/articles/10.3389/fneur.2025.1573349/full
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