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Sökning: L773:0028 3878 OR L773:1526 632X > Tidskriftsartikel

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1.
  • Longinetti, Elisa, et al. (författare)
  • Neurodegenerative and psychiatric diseases among families with amyotrophic lateral sclerosis
  • 2017
  • Ingår i: Neurology. - Stockholm : Karolinska Institutet, Dept of Medical Epidemiology and Biostatistics. - 0028-3878 .- 1526-632X. ; 89:6, s. 578-585
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Objective: To estimate risks of neurodegenerative and psychiatric diseases among patients with amyotrophic lateral sclerosis (ALS) and their families. Methods: We conducted a register-based nested case-control study during 1990-2013 in Sweden to assess whether ALS patients had higher risks of other neurodegenerative and psychiatric diseases before diagnosis. We included 3,648 ALS patients and 36,480 age-, sex-, and county-of-birth matched population controls. We further conducted a follow-up study of the cases and controls to assess the risks of other neurodegenerative and psychiatric diseases after ALS diagnosis. To assess the potential contribution of familial factors, we conducted similar studies for the relatives of ALS patients and their controls. Results: Individuals with previous neurodegenerative or psychiatric diseases had a 49% increased risk of ALS (odds ratio=1.49, 95% confidence interval=1.35-1.66), compared to individuals without these diseases. After diagnosis, ALS patients had increased risks of other neurodegenerative or psychiatric diseases (hazard ratio=2.90, 95% confidence interval=2.46-3.43), compared to individuals without ALS. The strongest associations were noted for frontotemporal dementia, Parkinson’s disease, other dementia, Alzheimer’s disease, neurotic disorders, depression, stress-related disorders, and drug abuse/dependence. First-degree relatives of ALS patients had higher risk of neurodegenerative diseases, whereas only children of ALS patients had higher risk of psychiatric disorders, compared to relatives of the controls. Conclusions: Familial aggregation of ALS and other neurodegenerative diseases implies a shared etiopathogenesis among all neurodegenerative diseases. The increased risk of psychiatric disorders among ALS patients and their children might be attributable to non-motor symptoms of ALS and severe stress response toward the diagnosis.
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2.
  • Aarnio, K., et al. (författare)
  • Cardiovascular events after ischemic stroke in young adults: A prospective follow-up study
  • 2016
  • Ingår i: Neurology. - : Ovid Technologies (Wolters Kluwer Health). - 0028-3878 .- 1526-632X. ; 86:20, s. 1872-1879
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives:To study the long-term risk of recurrent cardiac, arterial, and venous events in young stroke patients, and whether these risks differed between etiologic subgroups.Methods:The study population comprised 970 patients aged 15-49 years from the Helsinki Young Stroke Registry (HYSR) who had an ischemic stroke in 1994-2007. We obtained follow-up data until 2012 from the Finnish Care Register and Statistics Finland. Cumulative 15-year risks were analyzed with life tables, whereas relative risks and corresponding confidence intervals (CI) were based on hazard ratios (HR) from Cox regression analyses.Results:There were 283 (29.2%) patients with a cardiovascular event during the median follow-up of 10.1 years (range 0.1-18.0). Cumulative 15-year risk for venous events was 3.9%. Cumulative 15-year incidence rate for composite vascular events was 34.0 (95% CI 30.1-38.2) per 1,000 person-years. When adjusted for age and sex, patients with an index stroke caused by high-risk sources of cardioembolism had the highest HR for any subsequent cardiovascular events (3.7; 95% CI 2.6-5.4), whereas the large-artery atherosclerosis group had the highest HR (2.7; 95% CI 1.6-4.6) for recurrent stroke compared with patients with stroke of undetermined etiology.Conclusions:The risk for future cardiovascular events after ischemic stroke in young adults remains high for years after the index stroke, in particular when the index stroke is caused by high-risk sources of cardioembolism or large-artery atherosclerosis.
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3.
  • af Edholm, Karolina, et al. (författare)
  • Clinical Reasoning : Leg weakness and stiffness at the emergency room
  • 2019
  • Ingår i: Neurology. - : Lippincott Williams & Wilkins. - 0028-3878 .- 1526-632X. ; 92:6, s. E622-E625
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • A 48-year-old woman from the Maghreb came to the emergency department with insidious gait difficulties, urgency, and constipation starting 6 months prior to the visit. The patient's complaints consisted of weakness, stiffness, and pain in her legs. Her medical history consisted of Hashimoto thyroiditis and breast cancer, with the latter having motivated surgery 4 months prior to admission. Histopathologic examination had demonstrated ductal cancer sensitive to estrogen and mapping with sentinel node biopsy ruled out metastasis. For that reason, the patient was treated with local radiation given weekly over 1 month and treatment with tamoxifen was started. Physical examination upon admission demonstrated weakness and spasticity in both legs. Reflexes were brisk; bilateral nonsustained foot clonus and Babinski sign were also present. Bilateral dorsal flexion was reduced, but vibration and sensation to touch and pinprick were normal. Sphincter tonus was reduced; systemic manifestations such as myalgias, fever, skin rashes, uveitis, sicca, and arthritic joints were absent.
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5.
  • Akinci, M., et al. (författare)
  • Prepandemic Alzheimer Disease Biomarkers and Anxious-Depressive Symptoms During the COVID-19 Confinement in Cognitively Unimpaired Adults
  • 2022
  • Ingår i: NEUROLOGY. - : Ovid Technologies (Wolters Kluwer Health). - 0028-3878 .- 1526-632X. ; 99:14, s. E1486-E1498
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Objectives Increased anxious-depressive symptomatology is observed in the preclinical stage of Alzheimer disease (AD), which may accelerate disease progression. We investigated whether beta-amyloid, cortical thickness in medial temporal lobe structures, neuroinflammation, and sociodemographic factors were associated with greater anxious-depressive symptoms during the COVID-19 confinement. Methods This retrospective observational study included cognitively unimpaired older adults from the Alzheimer's and Families cohort, the majority with a family history of sporadic AD. Participants performed the Hospital Anxiety and Depression Scale (HADS) during the COVID-19 confinement. A subset had available retrospective (on average: 2.4 years before) HADS assessment, amyloid [F-18] flutemetamol PET and structural MRI scans, and CSF markers of neuroinflammation (interleukin-6 [IL-6], triggering receptor expressed on myeloid cells 2, and glial fibrillary acidic protein levels). We performed multivariable linear regression models to investigate the associations of prepandemic AD-related biomarkers and sociodemographic factors with HADS scores during the confinement. We further performed an analysis of covariance to adjust by participants' prepandemic anxiety-depression levels. Finally, we explored the role of stress and lifestyle changes (sleep patterns, eating, drinking, smoking habits, and medication use) on the tested associations and performed sex-stratified analyses. Results We included 921 (254 with AD biomarkers) participants. beta-amyloid positivity (B = 3.73; 95% CI = 1.1 to 6.36; p = 0.006), caregiving (B = 1.37; 95% CI 0.24-2.5; p = 0.018), sex (women: B = 1.95; 95% CI 1.1-2.79; p < 0.001), younger age (B = -0.12; 95% CI -0.18 to -0.052; p < 0.001), and lower education (B = -0.16; 95% CI -0.28 to -0.042; p = 0.008) were associated with greater anxious-depressive symptoms during the confinement. Considering prepandemic anxiety-depression levels, we further observed an association between lower levels of CSF IL-6 (B = -5.11; 95% CI -10.1 to -0.13; p = 0.044) and greater HADS scores. The results were independent of stress-related variables and lifestyle changes. Stratified analysis revealed that the associations were mainly driven by women. Discussion Our results link AD-related pathophysiology and neuroinflammation with greater anxious-depressive symptomatology during the COVID-19-related confinement, notably in women. AD pathophysiology may increase neuropsychiatric symptomatology in response to stressors. This association may imply a worse clinical prognosis in people at risk for AD after the pandemic and thus deserves to be considered by clinicians.
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6.
  • Akram, Harith, et al. (författare)
  • Optimal deep brain stimulation site and target connectivity for chronic cluster headache
  • 2017
  • Ingår i: Neurology. - : LIPPINCOTT WILLIAMS & WILKINS. - 0028-3878 .- 1526-632X. ; 89:20, s. 2083-2091
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To investigate the mechanism of action of deep brain stimulation for refractory chronic cluster headache and the optimal target within the ventral tegmental area. Methods: Seven patients with refractory chronic cluster headache underwent high spatial and angular resolution diffusion MRI preoperatively. MRI-guided and MRI-verified electrode implantation was performed unilaterally in 5 patients and bilaterally in 2. Volumes of tissue activation were generated around active lead contacts with a finite-element model. Twelve months after surgery, voxel-based morphometry was used to identify voxels associated with higher reduction in headache load. Probabilistic tractography was used to identify the brain connectivity of the activation volumes in responders, defined as patients with a reduction of >= 30% in headache load. Results: There was no surgical morbidity. Average follow-up was 34 +/- 14 months. Patients showed reductions of 76 +/- 33% in headache load, 46 +/- 41% in attack severity, 58 +/- 41% in headache frequency, and 51 +/- 46% in attack duration at the last follow-up. Six patients responded to treatment. Greatest reduction in headache load was associated with activation in an area cantered at 6 mm lateral, 2 mm posterior, and 1 mm inferior to the midcommissural point of the third ventricle. Average responders' activation volume lay on the trigeminohypothalamic tract, connecting the trigeminal system and other brainstem nuclei associated with nociception and pain modulation with the hypothalamus, and the prefrontal and mesial temporal areas. Conclusions: We identify the optimal stimulation site and structural connectivity of the deep brain stimulation target for cluster headache, explicating possible mechanisms of action and disease pathophysiology.
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7.
  • Almqvist, Elisabeth W., 1958- (författare)
  • A randomized, placebo-controlled trial of coenzyme Q10 and remacemide in Huntington's disease
  • 2001
  • Ingår i: Neurology. - : Ovid Technologies (Wolters Kluwer Health). - 0028-3878 .- 1526-632X. ; 57:3, s. 397-404
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: To determine whether chronic treatment with coenzyme Q10 or remacemide hydrochloride slows the functional decline of early Huntington's disease (HD).METHODS: The authors conducted a multicenter, parallel group, double-blind, 2 x 2 factorial, randomized clinical trial. Research participants with early HD (n = 347) were randomized to receive coenzyme Q10 300 mg twice daily, remacemide hydrochloride 200 mg three times daily, both, or neither treatment, and were evaluated every 4 to 5 months for a total of 30 months on assigned treatment. The prespecified primary measure of efficacy was the change in total functional capacity (TFC) between baseline and 30 months. Safety measures included the frequency of clinical adverse events.RESULTS: Neither intervention significantly altered the decline in TFC. Patients treated with coenzyme Q10 showed a trend toward slowing in TFC decline (13%) over 30 months (2.40- versus 2.74-point decline, p = 0.15), as well as beneficial trends in some secondary measures. There was increased frequency of nausea, vomiting, and dizziness with remacemide and increased frequency of stomach upset with coenzyme Q10.CONCLUSIONS: Neither remacemide nor coenzyme Q10, at the dosages studied, produced significant slowing in functional decline in early HD.
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8.
  • Almqvist, Elisabeth W., 1958- (författare)
  • Dosage effects of riluzole in Huntington's disease : a multicenter placebo-controlled study.
  • 2003
  • Ingår i: Neurology. - : Ovid Technologies (Wolters Kluwer Health). - 0028-3878 .- 1526-632X. ; 61:11, s. 1551-6
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Riluzole retards striatal glutamate release and pathologic consequences in neurotoxic animal models of Huntington's disease (HD).OBJECTIVE: To determine the dosage-related impact of riluzole on chorea in HD.METHODS: An 8-week double-blind dose-ranging multicenter study of riluzole was conducted in 63 subjects (32 women, 31 men) with HD who were randomized to receive placebo, riluzole 100 mg/day, or riluzole 200 mg/day. The prespecified outcome measure was change in the total maximal chorea score of the Unified Huntington's Disease Rating Scale (UHDRS).RESULTS: Fifty-six (89%) subjects completed the study. A reduction (p < 0.01) in chorea at 8 weeks was found using a linear trend test with dose. Comparing the groups individually, the reduction in chorea for the riluzole 200-mg/day group (-2.2 +/- 3.3) was different (p = 0.01) from placebo (+0.7 +/- 3.4), but the riluzole 100-mg/day group (-0.2 +/- 2.9) was not. Riluzole did not improve other motor, cognitive, behavioral, or functional components of the UHDRS. Alanine aminotransferase was elevated in a dosage-dependent fashion (p = 0.01).CONCLUSIONS: Over 8 weeks of treatment, riluzole 200 mg/day ameliorated chorea intensity in HD without improving functional capacity or other clinical features of illness. Riluzole 200 mg/day was attended by reversible liver transaminase abnormalities that would require monitoring in long-term studies.
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9.
  • Alping, Peter, et al. (författare)
  • Safety of Alemtuzumab and Autologous Hematopoietic Stem Cell Transplantation Compared to Noninduction Therapies for Multiple Sclerosis
  • 2021
  • Ingår i: Neurology. - : Wolters Kluwer. - 0028-3878 .- 1526-632X. ; 96:11, s. E1574-E1584
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective To assess safety outcomes for the induction therapies alemtuzumab and autologous hematopoietic stem cell transplantation (AHSCT) compared to noninduction disease-modifying therapies.Methods We performed a population-based cohort study linking the Swedish Multiple Sclerosis Register to national health care registers. Alemtuzumab, AHSCT, and a matched reference group of noninduction therapies (natalizumab, dimethyl fumarate, rituximab, fingolimod) were included if started between 2008 and 2017. Main outcomes were death, thyroid disease, nonthyroid autoimmune disease, and infection.Results We identified 132 alemtuzumab-treated and 139 AHSCT-treated (68% high-dose cyclo-phosphamide and anti-thymocyte globulin [ATG], 32% BCNU, etoposide, cytosine-arabinoside, and melphalan/ATG) patients, together with 2,486 matched patients treated with noninduction therapies. Four patients in the alemtuzumab group died (incidence rate [IR] per 1,000 person-years 8.6, 95% confidence interval [CI] 2.3-22.0) compared to 1 patient in the AHSCT group (IR 1.7, 95% CI 0.0-9.6), and the mortality rate in the reference group was 0.7 (95% CI 0.3-1.3). Thyroid disease was most frequent in the alemtuzumab group (IR 109, 95% CI 75-154) but also occurred more often for AHSCT (IR 34, 95% CI 18-56) compared to the reference (IR 5.3 95% CI 3.9-7.1). The incidence of nonthyroid autoimmune disease was similar in all groups. IR for infection diagnosed >= 6 months from therapy initiation was 53 (95% CI 30-87) for alemtuzumab, 108 (95% CI 75-150) for AHSCT, and 51 (95% CI 46-57) for the reference.Conclusion We confirmed a high incidence of thyroid disease in alemtuzumab- and, to a smaller extent, AHSCT-treated patients and found a higher incidence of infection for AHSCT compared to both alemtuzumab and noninduction therapies. The incidence of nonthyroid autoimmune disease was low for both therapies.Classification of evidence This study provides Class III evidence of an increased risk of thyroid disease with alemtuzumab and an increased risk of infection with AHSCT treatment.
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10.
  • Alping, Peter, et al. (författare)
  • Safety of Alemtuzumab and Autologous Hematopoietic Stem Cell Transplantation Compared to Noninduction Therapies for Multiple Sclerosis
  • 2021
  • Ingår i: Neurology. - : Ovid Technologies (Wolters Kluwer Health). - 0028-3878 .- 1526-632X. ; 96:11, s. E1574-E1584
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective To assess safety outcomes for the induction therapies alemtuzumab and autologous hematopoietic stem cell transplantation (AHSCT) compared to noninduction disease-modifying therapies. Methods We performed a population-based cohort study linking the Swedish Multiple Sclerosis Register to national health care registers. Alemtuzumab, AHSCT, and a matched reference group of noninduction therapies (natalizumab, dimethyl fumarate, rituximab, fingolimod) were included if started between 2008 and 2017. Main outcomes were death, thyroid disease, nonthyroid autoimmune disease, and infection. Results We identified 132 alemtuzumab-treated and 139 AHSCT-treated (68% high-dose cyclo-phosphamide and anti-thymocyte globulin [ATG], 32% BCNU, etoposide, cytosine-arabinoside, and melphalan/ATG) patients, together with 2,486 matched patients treated with noninduction therapies. Four patients in the alemtuzumab group died (incidence rate [IR] per 1,000 person-years 8.6, 95% confidence interval [CI] 2.3-22.0) compared to 1 patient in the AHSCT group (IR 1.7, 95% CI 0.0-9.6), and the mortality rate in the reference group was 0.7 (95% CI 0.3-1.3). Thyroid disease was most frequent in the alemtuzumab group (IR 109, 95% CI 75-154) but also occurred more often for AHSCT (IR 34, 95% CI 18-56) compared to the reference (IR 5.3 95% CI 3.9-7.1). The incidence of nonthyroid autoimmune disease was similar in all groups. IR for infection diagnosed >= 6 months from therapy initiation was 53 (95% CI 30-87) for alemtuzumab, 108 (95% CI 75-150) for AHSCT, and 51 (95% CI 46-57) for the reference. Conclusion We confirmed a high incidence of thyroid disease in alemtuzumab- and, to a smaller extent, AHSCT-treated patients and found a higher incidence of infection for AHSCT compared to both alemtuzumab and noninduction therapies. The incidence of nonthyroid autoimmune disease was low for both therapies. Classification of evidence This study provides Class III evidence of an increased risk of thyroid disease with alemtuzumab and an increased risk of infection with AHSCT treatment.
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