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1.
Neuroepidemiology ; 58(4): 276-283, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38417410

RESUMEN

INTRODUCTION: The epidemiology of encephalitis varies by region and time. Available Finnish data are outdated and there are no data from eastern parts of the country nor concerning the occurrence of autoimmune encephalitides. MATERIALS AND METHODS: Patients with encephalitis were identified from mandatory administrative registries in North Karelia Central Hospital. The diagnoses were verified and data extracted by reviewing the patient records. Study period was 2010-2021. Only patients >16 years of age were included. RESULTS: Fifty-one patients with a clinical encephalitis were identified (55% men) with a median age of 65 years (interquartile range 45, 73; total age range 16-88 years) indicating a crude incidence of 3.1/100,000 person-years for the entire study period. A specific aetiology could be identified in 31 cases (61%) with tick-borne encephalitis (TBE) being the most common one (20% of all 51 cases), followed by herpes simplex virus type 1 (HSV-1, 16%) and varicella zoster virus (VZV, 14%). Autoimmune aetiology was confirmed in 10%. TBE was most often found in the youngest age group (16-52 years of age) and the herpes viruses in the oldest group (71 years or older). A specific cause was most often identified in the oldest patients (78%). TBE patients were younger than patients with VZV (p = 0.0009) or HSV-1 (p = 0.0057), but there was no difference when they were compared to patients with autoimmune (p = 0.27) or unknown (p = 0.074) aetiology. At presentation, there were differences in the occurrence of some clinical signs and symptoms between aetiologies but nothing specific. Eight patients (16%) were immunosuppressed. Inpatient seizures occurred in 10 patients (20%). In these cases, the aetiology was HSV-1 in 50% and TBE or VZV in none. A full recovery was observed in 51% of all patients while 3 patients (6%) had died of the encephalitis while in hospital or shortly after discharge. CONCLUSIONS: Adult-onset encephalitis was more common and the patients older in easternmost Finland than previously reported in other parts of the country. TBE, HSV-1, and VZV are the most commonly identified specific aetiologies whereas a fifth of the cases are probably caused by autoimmunity. Prognosis depended on aetiology but was very good in the majority of cases.


Asunto(s)
Encefalitis Transmitida por Garrapatas , Humanos , Persona de Mediana Edad , Finlandia/epidemiología , Adulto , Masculino , Anciano , Femenino , Adolescente , Anciano de 80 o más Años , Adulto Joven , Encefalitis Transmitida por Garrapatas/epidemiología , Encefalitis/epidemiología , Incidencia , Sistema de Registros , Edad de Inicio , Herpesvirus Humano 1/aislamiento & purificación
2.
Neuroepidemiology ; 57(4): 238-245, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37399804

RESUMEN

INTRODUCTION: The incidence of amyotrophic lateral sclerosis (ALS) worldwide is approximately 1-2.6/1,000,000 and prevalence is 5-6/100,000. ALS has been suggested to be relatively common in Finland, but epidemiological information on the subject is scarce and outdated. MATERIAL AND METHODS: Patients with ALS diagnostic codes were identified from mandatory administrative registries in the provinces of Southwestern Finland (population circa 430,000) and North Karelia (population circa 170,000), together comprising 11.7% of the total population of Finland. The diagnoses were verified, and data were extracted by reviewing the patient records. Incidence period was 2010-2018, and the prevalence date was December 31, 2018. Age-standardization was performed using the European Standard Population 2013 (ESP2013). RESULTS: Overall crude incidence of ALS was 4.2/100,000 person-years in Southwestern Finland (ESP2013: 4.0/100,000) and 5.6/100,000 person-years in North Karelia (ESP2013: 4.8/100,000), while crude prevalences were 11.9/100,000 (ESP2013: 10.5/100,000) and 10.9/100,000 (ESP2013: 9.3/100,000), respectively. Mean age at diagnosis was 65.5-71.6 years in women (higher in Southwestern Finland compared to North Karelia, p = 0.003) and 64.7-67.3 years in men (no difference between provinces, p = 0.39). The diagnosis had been made in 50% before the age of 70 years in Southwestern Finland and before the age of 65 years in 51% in North Karelia. Genetic testing had been conducted in 28% of all patients with the most common findings being SOD1 and C9orf72. After the diagnosis, mean survival was 2.0-2.7 and median survival 1.3-1.4 years. Onset phenotype (p < 0.001), age at diagnosis (p < 0.001), and genotype (p = 0.001) predicted survival. Riluzole had been used by 25% of patients and tracheostomy and invasive ventilation (TIV) had been performed in <1%. CONCLUSIONS: Both incidence and prevalence of ALS in Finland are among the highest in the world but with some notable differences between the eastern and southwestern parts of the country. Low median life expectancy may be related to the advanced age of patients and the high prevalence of C9orf72 repeat expansion in Finland as well infrequent use of TIV and riluzole.


Asunto(s)
Esclerosis Amiotrófica Lateral , Masculino , Humanos , Femenino , Anciano , Esclerosis Amiotrófica Lateral/diagnóstico , Esclerosis Amiotrófica Lateral/epidemiología , Esclerosis Amiotrófica Lateral/genética , Riluzol , Finlandia/epidemiología , Proteína C9orf72/genética , Fenotipo
3.
Eur J Neurol ; 29(2): 605-608, 2022 02.
Artículo en Inglés | MEDLINE | ID: mdl-34644445

RESUMEN

BACKGROUND AND PURPOSE: The incidence of epilepsy is decreasing among the working-aged in high-income countries, but previous studies have reported conflicting results in Finland. METHODS: A nationwide population-based cross-sectional analysis was made of annual epilepsy drug reimbursement rights frequency data from the Social Insurance Institution of Finland, the national authority, between 1986 and 2019. All persons at least 20 years of age living in Finland during the study period were included. RESULTS: Based on the analysis of 77,939 new reimbursement rights, crude incidence was 57.4/100,000 (95% confidence interval [CI] = 57.0-57.8) person-years, and age-standardized (to the European Standard Population 2013) incidence was 51.6/100,000 person-years. Both crude (r = 0.62, p = 0.00009) and standardized (r = 0.65, p = 0.00003) incidence increased over time. Incidence increased in both men (from 66.4 to 71.6/100,000, r = 0.51, p = 0.002) and women (from 51.5 to 55.3/100,000, r = 0.68, p < 0.00001). The mean male to female incidence rate ratio was 1.28 (95% CI = 1.26-1.30, range = 1.15-1.41), but decreased during the study period (r = -0.47, p = 0.006). Incidence decreased in those 20-59 years old but increased in all older age groups. This development was similar between sexes. CONCLUSIONS: The incidence of adult onset epilepsy in Finland increased in people older than 60 years and decreased in the 20-59-year age group during the study period. These trends were similar between sexes. Therefore, etiological epilepsy trends in the elderly need to be studied further to plan public health measures to prevent epilepsy in this age group.


Asunto(s)
Epilepsia , Adulto , Anciano , Estudios Transversales , Epilepsia/epidemiología , Femenino , Finlandia/epidemiología , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Sistema de Registros , Adulto Joven
4.
Acta Neurol Scand ; 146(5): 690-693, 2022 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-36097839

RESUMEN

BACKGROUND: Unverricht-Lundborg disease (EPM1) typically leads to accumulating disability. Disability may also be caused by comorbidities but there are no data available on these. AIMS OF THE STUDY: To investigate the frequency of comorbidities in EPM1. METHODS: Comorbidity data of a previously described cohort of 135 Finnish patients with EPM1 were retrieved from neurological, surgical (including subspecialities), internal medicine (including subspecialities) and intensive care patient charts of the treating hospitals. RESULTS: Mean follow-up time was 31.4 years (SD 12.4 years, range 6.8-57.8 years), during which at least one comorbidity was observed in 107 patients (79%) and three or more in 53 (39%). The most common diagnostic categories were external injuries, mental and behavioural disorders and endocrine, nutritional and metabolic diseases. The most common single comorbid diagnosis was a fracture of the ankle (in 19% of all patients). The second most common single comorbid diagnosis in the cohort was diabetes (in 13% of all patients), and the third was depression, recorded for 13% of the cohort. Malignancies and cardiovascular end-organ damage were rare, whereas phimosis/paraphimosis appeared more common than in general population. CONCLUSIONS: Patients with EPM1 often have comorbidities. Trauma and mental health risks should be especially followed and acted upon. Further studies are needed to more accurately comorbidity risks, characteristics and patient needs.


Asunto(s)
Síndrome de Unverricht-Lundborg , Estudios de Cohortes , Comorbilidad , Finlandia/epidemiología , Humanos , Masculino , Síndrome de Unverricht-Lundborg/patología
5.
Acta Neurol Scand ; 146(1): 34-41, 2022 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-35257358

RESUMEN

BACKGROUND: Recent studies from Finland have highlighted an increase in the incidence of traumatic brain injuries (TBI) in older age groups and high overall mortality. We performed a comprehensive study on the changing epidemiology of TBI focusing on the acute events in the Finnish working-age population. METHODS: Nationwide databases were searched for all emergency ward admissions with a TBI diagnosis for persons of 16-69 years of age during 2004-2018. RESULTS: In the Finnish working-age population, there were 52,487,099 person-years, 38,810 TBI-related hospital admissions, 4664 acute neurosurgical operations (ANO), and 2247 cases of in-hospital mortality (IHM). The TBI-related hospital admission incidence was 94/100,000 person-years in men, 44/100,000 in women, and 69/100,000 overall. The incidence rate of admissions increased in women, while in men and overall, the rate decreased. The incidence rate increased in the group of 60-69 years in both genders. Lowest incidence rates were observed in the age group of 30-39 years. Occurrence risk for TBI admission was higher in men in all age groups. Trends of ANOs decreased overall, while decompressive craniectomy was the only operation type in which a rise in incidence was found. Evacuation of acute subdural hematoma was the most common ANO. Mean length of stay and IHM rate halved during the study years. CONCLUSIONS: In Finland, the epidemiology of acute working-aged TBI has significantly changed. The rates of admission incidences, ANOs, and IHM nowadays represent the lower end of the range of these acute events reported in the western world.


Asunto(s)
Lesiones Traumáticas del Encéfalo , Lesiones Encefálicas , Adulto , Anciano , Lesiones Traumáticas del Encéfalo/epidemiología , Lesiones Traumáticas del Encéfalo/cirugía , Femenino , Finlandia/epidemiología , Hospitalización , Humanos , Incidencia , Masculino
6.
Stroke ; 52(1): 335-338, 2021 01.
Artículo en Inglés | MEDLINE | ID: mdl-33272123

RESUMEN

BACKGROUND AND PURPOSE: Epidemiology of cerebral venous thrombosis (CVT) has been reported to be changing. Because long-term nationwide data are needed to confirm this, we studied CVT occurrence between 2005 and 2014 in Finland. METHODS: All acute CVT admissions were retrieved from a mandatory registry covering mainland Finland. Patients aged ≥18 years were included. One admission per patient was allowed. RESULTS: We identified 563 patients with CVT (56.5% women). Overall incidence was 1.32/100 000 (95% CI, 1.21-1.43) per year with a 5.0% annual increase. In people <55 years of age, incidence was 0.92/100 000 (0.76-1.10) for men and 1.65/100 000 (1.43-1.89) for women, whereas for those 55 years or older incidence was 1.61 (1.34-1.91) for men and 1.17 (0.96-1.41) for women. In-hospital mortality was 2.1% with no sex difference. One-year mortality was 7.9%. Long-term mortality was higher in men (adjusted hazard ratio, 1.61 [1.09-2.38]) and in older patients (1.95 [1.69-2.24]; per 10-year increment). CONCLUSIONS: Overall incidence of CVT in Finland was similar to that reported in the Netherlands and in Australia. There was a 5.0% yearly increase in the rate of admissions while in-hospital mortality was low. Sex-specific incidence rates differed markedly between younger and older people. Long-term mortality increased with age and was higher in men.


Asunto(s)
Trombosis Intracraneal/epidemiología , Trombosis de la Vena/epidemiología , Factores de Edad , Anciano , Anciano de 80 o más Años , Femenino , Finlandia/epidemiología , Estudios de Seguimiento , Mortalidad Hospitalaria , Humanos , Incidencia , Trombosis Intracraneal/mortalidad , Estimación de Kaplan-Meier , Tiempo de Internación , Masculino , Persona de Mediana Edad , Sistema de Registros , Factores Sexuales , Trombosis de la Vena/mortalidad
7.
Eur J Clin Invest ; 51(6): e13476, 2021 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-33326602

RESUMEN

BACKGROUND: We wanted to investigate the influence of native-valve infective endocarditis (IE) on long-term outcomes of surgical aortic valve replacement (SAVR). METHODS: Native-valve patients with IE (n = 191) were compared to propensity score-matched patients without IE (n = 191), all treated with SAVR, in a multicentre, population-based cohort register study in Finland. The median follow-up was 6.2 years. RESULTS: Infective endocarditis as the indication for SAVR was associated with an increased hazard of 10-year mortality (37.1% vs 24.2%; HR 1.83; CI 1.03-3.26; P = .039). Ischaemic stroke was also more frequent in IE patients during 10-year follow-up (15.8% vs 7.5%; HR 3.80; CI 1.42-10.18; P = .008). Major bleeding within first year after SAVR was more frequent in patients with IE (7.0% vs 2.9%; P = .038). Ten-year major bleeding rate was 32.4% in IE vs 24.5% in non-IE groups (P = .174). Aortic valve re-operation rate was 4.3% in IE vs 8.4% in non-IE groups (P = .975). Admission duration after SAVR was longer in IE (median 29 vs 9 days; P < .0001). There was no difference in 30-day mortality after SAVR. CONCLUSIONS: Patients with native-valve IE have a higher risk of death, ischaemic stroke, and early major bleeding after SAVR than matched patients without IE. Results confirm the high risk for complications of IE patients after SAVR and highlight the importance of vigorous prevention of both stroke and bleeding after SAVR in these patients.


Asunto(s)
Enfermedad de la Válvula Aórtica/cirugía , Endocarditis/cirugía , Implantación de Prótesis de Válvulas Cardíacas , Accidente Cerebrovascular Isquémico/epidemiología , Mortalidad , Hemorragia Posoperatoria/epidemiología , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Finlandia , Estudios de Seguimiento , Prótesis Valvulares Cardíacas , Hemorragia/epidemiología , Humanos , Masculino , Persona de Mediana Edad , Complicaciones Posoperatorias/epidemiología , Puntaje de Propensión , Modelos de Riesgos Proporcionales , Sistema de Registros , Reoperación
8.
Neuroepidemiology ; 55(3): 216-223, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33853074

RESUMEN

INTRODUCTION: There is minimal existing available information on nationwide seasonal peaks in traumatic brain injuries (TBIs). This lack of information is an impediment to the effective development of prevention programs, societal policies, and hinders the resourcing of medical emergency services. Our current aim is to study nationwide population-based high-risk periods TBI over a 15-year study period in Finland. METHODS: Nationwide databases were searched for all admissions with a TBI diagnosis and later for deaths of persons ≥16 years of age during 2004-2018. The search included all hospitals that provide acute TBI care in Finland. RESULTS: The study period included 69,231 TBI-related hospital admissions (men = 62%). We found that for men, the highest rate of TBIs occurred on Saturdays, whereas women experience the highest rate of TBIs on Mondays. The highest rate of TBIs in men occurred in July, while women experienced the highest rate of TBIs in January. TBI-related hospital admissions (incidence risk ratio [IRR] 1.090, 95% CI 1.07-1.11, p < 0.0001) and mortality within 30 days after TBI (hazard ratio [HR] 1.057, 95% CI 1.001-1.116, p = 0.0455) were more common on public holidays and weekends than on weekdays. There was an increasing trend in the proportion of TBI-related hospital admissions occurring on public holidays and weekends from 2004 (31.5%) to 2018 (33.4%) (p = 0.0007). In summer months, TBI-related hospital admissions (IRR 1.10, 95% CI 1.08-1.12, p < 0.0001) and 30-day mortality (HR 1.069, 95% CI 1.010-1.131, p = 0.0211) were more common than in other months. TBIs occurred more often in younger and healthier individuals on these index days and times. In terms of specific public holidays, the TBI risk was overall higher on New Year's Eves and Days (IRR 1.40, 95% CI 1.25-1.58, p < 0.0001) and Midsummer's Eves and Days (IRR 1.36, 95% CI 1.20-1.54, p < 0.0001), compared to nonworking days. This finding was significant in both genders. CONCLUSIONS: TBI-related hospital admissions and mortality were more common on public holidays, weekends, and in summer months in Finland. People who sustained TBIs on these days were on average younger and healthier. The occurrence of TBIs on public holidays and weekends is increasing at an alarming rate.


Asunto(s)
Lesiones Traumáticas del Encéfalo , Adulto , Lesiones Traumáticas del Encéfalo/epidemiología , Bases de Datos Factuales , Femenino , Hospitalización , Humanos , Incidencia , Masculino , Factores de Riesgo
9.
Eur Neurol ; 84(6): 444-449, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34261060

RESUMEN

INTRODUCTION: The Unified Dyskinesia Rating Scale (UDysRS) was developed to provide a comprehensive rating tool of dyskinesia in Parkinson's disease (PD). Because dyskinesia therapy trials involve multicenter studies, having a scale that is validated in multiple non-English languages is pivotal to international efforts to treat dyskinesia. The aim of the present study was to organize and perform an independent validation of the UDysRS Finnish version. METHODS: The UDysRS was translated into Finnish and then back-translated into English using 2 independent teams. Cognitive pretesting was conducted on the Finnish version and required modifications to the structure or wording of the translation. The final Finnish version was administered to 250 PD patients whose native language is Finnish. The data were analyzed to assess the confirmatory factor structure to the Spanish UDysRS (the reference standard). Secondary analyses included an exploratory factor analysis (EFA), independent of the reference standard. RESULTS: The comparative fit index (CFI), in comparison with the reference standard factor structure, was 0.963 for Finnish. In the EFA, where variability from sample to sample is expected, isolated item differences of factor structure were found between the Finnish and Reference Standard versions of the UDysRS. These subtle differences may relate to differences in sample composition or variations in disease status. CONCLUSION: The overall factor structure of the Finnish version was consistent with that of the reference standard, and it can be designated as the official version of the UDysRS for Finnish speaking populations.


Asunto(s)
Discinesias , Lenguaje , Finlandia , Humanos , Índice de Severidad de la Enfermedad , Traducciones
10.
Int J Neurosci ; 131(7): 696-700, 2021 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-32242447

RESUMEN

PURPOSE OF THE STUDY: The hyperacute care of ischemic stroke has evolved markedly. It is unclear to which level stroke centre patients should primarily be taken so information of intravenous thrombolysis (IVT) outcomes in smaller centres are needed. METHODS: All IVT episodes in North Karelia Central hospital in 2016-2017 were analysed retrospectively using hospital registries and individual medical records. RESULTS: IVT had been given to 75 patients (47% women) whose median age was 74 years [IQR 64, 81; no gender difference (p = 0.70)]. Median NIHSS on admission was 6 (IQR 4, 10) and onset-to-treatment time (OTT) 125 min (95% CI 112-138 min). Two intracranial bleeding complications were observed. Clinical status improved following IVT and 53.4% were independent at six months (85% were independent before the stroke). In a multivariate analysis the NIHSS score was the only predictor (B = 0.12, R2=0.34, p = 0.0001) of modified Rankin Scale (mRS). Large-vessel occlusion (LVO) was identified in 27% (35% women). Their median mRS was 2.0 (25% had died). Endovascular thrombectomy had followed IVT in 30% of the LVO-patients. CONCLUSIONS: IVT results were generally in this peripheral PSC-level hospital without advanced imaging capabilities, but LVO outcomes need improvement. A mothership strategy should be evaluated.


Asunto(s)
Fibrinolíticos/administración & dosificación , Hospitales Especializados/estadística & datos numéricos , Evaluación de Procesos y Resultados en Atención de Salud/estadística & datos numéricos , Sistema de Registros/estadística & datos numéricos , Terapia Trombolítica/estadística & datos numéricos , Anciano , Anciano de 80 o más Años , Vías Clínicas/estadística & datos numéricos , Femenino , Finlandia , Humanos , Accidente Cerebrovascular Isquémico , Masculino , Persona de Mediana Edad , Estudios Retrospectivos
11.
BMC Cancer ; 20(1): 710, 2020 Jul 29.
Artículo en Inglés | MEDLINE | ID: mdl-32727404

RESUMEN

BACKGROUND: The prognosis of glioblastoma remains poor, related to its diffuse spread within the brain. There is an ongoing search for molecular regulators of this particularly invasive behavior. One approach is to look for actin regulating proteins that might be targeted by future anti-cancer therapy. The formin family of proteins orchestrates rearrangement of the actin cytoskeleton in multiple cellular processes. Recently, the formin proteins mDia1 and mDia2 were shown to be expressed in glioblastoma in vitro, and their function could be modified by small molecule agonists. This finding implies that the formins could be future therapeutic targets in glioblastoma. METHODS: In cell studies, we investigated the changes in expression of the 15 human formins in primary glioblastoma cells and commercially available glioblastoma cell lines during differentiation from spheroids to migrating cells using transcriptomic analysis and qRT-PCR. siRNA mediated knockdown of selected formins was performed to investigate whether their expression affects glioblastoma migration. Using immunohistochemistry, we studied the expression of two formins, FHOD1 and INF2, in tissue samples from 93 IDH-wildtype glioblastomas. Associated clinicopathological parameters and follow-up data were utilized to test whether formin expression correlates with survival or has prognostic value. RESULTS: We found that multiple formins were upregulated during migration. Knockdown of individual formins mDia1, mDia2, FHOD1 and INF2 significantly reduced migration in most studied cell lines. Among the studied formins, knockdown of INF2 generated the greatest reduction in motility in vitro. Using immunohistochemistry, we demonstrated expression of formin proteins FHOD1 and INF2 in glioblastoma tissues. Importantly, we found that moderate/high expression of INF2 was associated with significantly impaired prognosis. CONCLUSIONS: Formins FHOD1 and INF2 participate in glioblastoma cell migration. Moderate/high expression of INF2 in glioblastoma tissue is associated with worse outcome. Taken together, our in vitro and tissue studies suggest a pivotal role for INF2 in glioblastoma. When specific inhibiting compounds become available, INF2 could be a target in the search for novel glioblastoma therapies.


Asunto(s)
Neoplasias Encefálicas/metabolismo , Movimiento Celular , Proteínas Fetales/metabolismo , Forminas/metabolismo , Glioblastoma/metabolismo , Actinas/metabolismo , Neoplasias Encefálicas/patología , Línea Celular Tumoral , Proteínas Fetales/genética , Forminas/genética , Técnicas de Silenciamiento del Gen , Glioblastoma/patología , Humanos , Proteínas de Neoplasias/genética , Proteínas de Neoplasias/metabolismo , Regulación hacia Arriba
12.
Mov Disord ; 35(12): 2323-2327, 2020 12.
Artículo en Inglés | MEDLINE | ID: mdl-32618023

RESUMEN

BACKGROUND: Data on the epidemiology and prognosis of Wilson's disease are scarce, and no clinical data are available from Finland. METHODS: All persons diagnosed and treated for Wilson's disease in Finnish hospitals in 1998 to 2017 were identified. Data were collected from national registries and patient charts. RESULTS: The point prevalence was 0.45/100,000 (95% confidence interval, 0.29-0.67) on December 31, 2017, but no more than 0.35/100,000 (95% confidence interval, 0.21-0.55) among native Finns. Annual incidence was 0.016/100,000 (95% confidence interval, 0.0093-0.026). Median age at diagnosis was 15.8 years (interquartile range, 8.3-32.2; range, 3.8-48.1 years). Upon presentation, liver damage was observed in 58%, neurological signs and symptoms (most often tremor and dysarthria) in 40%, and 32% of patients were asymptomatic. Patients had poorer long-term survival (hazard ratio, 2.92 for death; P = 0.005) compared with matched controls. CONCLUSIONS: Wilson's disease is very rare in Finland. Patients have an increased risk of death indicating an unmet treatment need. © 2020 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.


Asunto(s)
Degeneración Hepatolenticular , Trastornos del Movimiento , Finlandia/epidemiología , Degeneración Hepatolenticular/epidemiología , Humanos , Incidencia , Temblor
13.
Acta Neurol Scand ; 142(3): 200-209, 2020 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-32500607

RESUMEN

Finland is a high-risk region for multiple sclerosis (MS) with several epidemiological studies on the subject published since 1964, but these have not been comprehensively scrutinized. The objective of this study was to review previous studies of Finnish MS epidemiology, introduce new data on MS prevalence in western parts of Finland and do further analyses on data from previous studies. We performed a systematic search on articles regarding MS epidemiology in Finland in PubMed database, and all relevant articles were included in this review. MS prevalences in the western hospital districts of Vaasa, South Ostrobothnia and Pirkanmaa were calculated in 1980-2007 by using previously unpublished data obtained from a retrospective search from hospital administrative registries. To enhance comparability of the epidemiological figures, we calculated age-standardized prevalence of MS from the new data from western hospital districts and previous data from North Ostrobothnia, Southwest Finland and North Karelia. Marked regional differences in MS epidemiology were confirmed with concentration of the disease in the western and south-western parts of the country. The highest regional age-standardized MS prevalence of 288/100 000 was reported in South Ostrobothnia in 2007. A clear and stable increase in MS prevalence was observed through the decades, but the only marked increase in incidence happened in 1990s. Methodological differences hampered direct comparisons of different studies, highlighting the importance of common principles of reporting and standardizing the epidemiological figures. More comprehensive studies on MS epidemiology are still warranted to yield important information concerning the aetiology of the disease.


Asunto(s)
Esclerosis Múltiple/epidemiología , Finlandia/epidemiología , Humanos , Incidencia , Prevalencia , Sistema de Registros
14.
Age Ageing ; 49(5): 779-785, 2020 08 24.
Artículo en Inglés | MEDLINE | ID: mdl-32134443

RESUMEN

BACKGROUND: we investigated trends of traumatic brain injury (TBI)-related hospitalisations, deaths, acute neurosurgical operations (ANO), and lengths of hospital stay (LOS) in patients aged ≥70 years in Finland using a population-based cohort. METHODS: nationwide databases were searched for all admissions with a TBI diagnosis as well as later deaths for persons ≥70 years of age during 2004-2014. RESULTS: the study period included 20,259 TBI-related hospitalisations (mean age = 80.7 years, men = 48.9%). The incidence of TBI-related hospitalisations was 283/100,000 person-years with an estimated overall annual increase of 2.9% (95% CI: 0.4-5.9%). There was an annual decrease of 2.2% in in-hospital mortality (IHM) in men (95% CI: 0.1-4.3%), with no change in women or overall. There was an annual decrease of 1.1% in odds for ANOs among hospitalised overall (95% CI: 0.1-2.1%) and of 1.4% in men (95% CI: 0.0-2.7%), while no change was observed in women. LOS decreased annually by 2.5% (95% CI: 2.1-2.9%). The incidence of TBI-related deaths was 70/100,000 person-years with an estimated annual increase of 1.6% in women (95% CI: 0.2-2.9%), but no change in men or overall. Mean ages of TBI-related admissions and deaths increased (P < 0.001). INTERPRETATION: the incidence rate of geriatric TBI-related hospitalisations increased, especially in women, but LOS and the rate of ANOs among hospitalised decreased. The overall TBI-related mortality remained stable, and IHM decreased in men, while in women, the overall mortality increased and IHM remained stable. However, the overall incidence rates of TBI-related hospitalisations and deaths and the number of cases of IHM were still higher in men.


Asunto(s)
Lesiones Traumáticas del Encéfalo , Anciano , Lesiones Traumáticas del Encéfalo/diagnóstico , Lesiones Traumáticas del Encéfalo/epidemiología , Lesiones Traumáticas del Encéfalo/terapia , Femenino , Finlandia/epidemiología , Hospitalización , Humanos , Incidencia , Tiempo de Internación , Masculino
15.
Acta Neurol Scand ; 139(4): 353-359, 2019 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-30480315

RESUMEN

OBJECTIVES: Studies on the east-west gradient of multiple sclerosis (MS) are scarce. In Finland, epidemiological differences have been only partially elucidated, but the MS risk is high, and it has been claimed that the occurrence follows a longitudinal gradient. In this register-based study, we updated the MS epidemiology in southwest Finland (SwF) and compared it to the easternmost hospital district, North Karelia (NK), for which no previous data exist. MATERIALS AND METHODS: Patients with ICD-10 code G35 were identified from hospital district administrative data. Patient records were reviewed to include only cases with a definitive diagnosis. Incidence period covered 5 years (2012-2016), and the prevalence date was December 31, 2016. Results were standardized using the direct method. RESULTS: A total of 1184 persons had MS in SwF and 253 persons in NK at the end of 2016. The prevalence was 280/100 000 (95% CI 264-296) in SwF and 168/100 000 (95% CI 148-190) in NK (age-standardized for the European standard population 2013). During the incidence period, 211 new MS diagnoses were made in SwF and 49 in NK. The annual age-standardized (ESP 2013) incidence was 12.1/100 000 person-years (95% CI 10.5-13.8) in SwF and 8.6/100 000 person-years (95% CI 6.4-11.2) in NK in the age-group 10-69 years. CONCLUSIONS: There are regional differences in MS epidemiology in Finland, possibly related to demographic, social, and genetic circumstances, but the retrospective nature and limited sample size of this study might introduce some uncertainty to the calculations. SwF is a region with a globally very high risk for MS.


Asunto(s)
Esclerosis Múltiple/epidemiología , Adolescente , Adulto , Distribución por Edad , Anciano , Niño , Femenino , Finlandia/epidemiología , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Prevalencia , Estudios Retrospectivos , Distribución por Sexo , Adulto Joven
17.
J Peripher Nerv Syst ; 22(4): 440-445, 2017 12.
Artículo en Inglés | MEDLINE | ID: mdl-29095548

RESUMEN

At total mean incidence of 0.84-1.1/100,000 the occurrence of Guillain-Barré syndrome (GBS) is reported to be low in Finland compared to other Caucasian populations. However, a recent study from Southwestern Finland reported an incidence of 1.82/100,000 which is comparable to other Caucasian populations. We analyzed discharge data covering the years 2004 through 2014 on all neurological admissions in all Finnish university and central hospitals with a primary diagnosis of GBS. A total of 989 admissions due to GBS (917 individuals) were identified. The standardized (European population) annual incidence rate was 1.70/100,000 person-years (95% confidence interval 1.60-1.81). GBS incidence had an increasing trend with age. The likelihood of GBS was higher among girls and adolescent women than boys and men of same age (male:female incidence rate ratio [IRR] 0.56), while in the older age groups (>19 years) the occurrence of GBS was higher among males than females (male:female IRR 1.59). The incidence of GBS remained stable during the study period. There was no seasonal variation in GBS admission frequencies (p = 0.28). No significant effect of the 2009-2010 H1N1 influenza or vaccination against it for GBS occurrence was observed. We suggest that GBS is as common, and has similar age-distribution in Finland as in other European countries. Sex-associated susceptibility for GBS appears to be different in children-adolescents and adults.


Asunto(s)
Síndrome de Guillain-Barré/epidemiología , Población Blanca/estadística & datos numéricos , Adolescente , Adulto , Factores de Edad , Anciano , Anciano de 80 o más Años , Niño , Preescolar , Finlandia/epidemiología , Humanos , Incidencia , Lactante , Persona de Mediana Edad , Factores Sexuales , Adulto Joven
18.
Int J Neurosci ; 127(4): 344-349, 2017 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26971365

RESUMEN

PURPOSE: Guillain-Barré syndrome (GBS) varies in severity and outcome. Hyponatremia predicts poor outcome but previous studies have used divergent methodology and (pseudo)hyponatremia caused by intravenous immunoglobulin administration may confound analysis. We studied if the plasma sodium level at admission was associated with GBS outcome. METHODS: All 69 patients at least 16 years of age treated for GBS in Turku University Hospital in 2004-2013 were included in the study. Clinical information was obtained from patient charts. RESULTS: Women had lower sodium levels at admission (138; IQR 135, 140) compared to men (140; IQR 138, 142; p = 0.0116) but no association of sodium levels with demographics, pre-hospital variables or basic GBS characteristics was found. Multivariate analyses showed lower admission sodium levels to be associated with worse functional status at one year from disease onset (OR 1.37; 95% CI 1.07-1.76; p = 0.0136) and probability of being discharged to another care facility from the hospital (OR 1.31; 95% CI 1.05-1.64; p = 0.0180) but not associated with need of intensive care unit care (p = 0.09) or mechanical ventilation (p = 0.45), length of hospital stay (p =0.48) or functional status at six months (p = 0.07). CONCLUSIONS: Low plasma sodium level at admission is associated with a more severe disease course and a worse outcome in GBS independently of previously identified prognostic factors. Hyponatremia does not, however, appear to be caused by disease-specific factors.


Asunto(s)
Síndrome de Guillain-Barré/sangre , Síndrome de Guillain-Barré/diagnóstico , Sodio/sangre , Adolescente , Adulto , Anticuerpos/sangre , Femenino , Gangliósidos/inmunología , Síndrome de Guillain-Barré/complicaciones , Humanos , Hiponatremia/etiología , Masculino , Pronóstico , Factores Sexuales , Estadísticas no Paramétricas , Adulto Joven
19.
BMC Neurol ; 16: 24, 2016 Feb 10.
Artículo en Inglés | MEDLINE | ID: mdl-26860086

RESUMEN

BACKGROUND: Seizures are common in juvenile Huntington's disease (HD), but considered to be rare in adult-onset HD. We studied the occurrence of epilepsy and seizures in a nationwide cohort of Finnish patients with adult-onset HD. METHODS: Patients with HD and their diagnoses of epilepsy or seizures were identified by a search into a nationwide registry. Cases were verified in a subsequent review of patient charts. RESULTS: Three out of 114 HD patients alive on prevalence date had been diagnosed with epilepsy giving a prevalence of 2.6% (95% CI, 0.6-7.5). In addition, one patient with a single unprovoked seizure, one patient with a medication-induced seizure and two patients with transient nonspecific attacks were identified. Epilepsy was not associated with clinical severity of HD and seizures were controlled with antiepileptic medications (AEDs). Generalized tonic-clonic seizures (GTCs) were the most common seizure type. CONCLUSIONS: Prevalence of epilepsy is similar in patients with adult-onset HD compared to general population. Seizures are easily controlled with AEDs.


Asunto(s)
Anticonvulsivantes/uso terapéutico , Epilepsia/epidemiología , Enfermedad de Huntington/epidemiología , Adulto , Anciano , Anciano de 80 o más Años , Epilepsia/tratamiento farmacológico , Femenino , Humanos , Masculino , Persona de Mediana Edad , Sistema de Registros , Convulsiones/tratamiento farmacológico , Convulsiones/epidemiología , Adulto Joven
20.
Acta Neurochir (Wien) ; 158(8): 1487-90, 2016 08.
Artículo en Inglés | MEDLINE | ID: mdl-27272892

RESUMEN

BACKGROUND: Many features of Huntington's disease (HD) make these patients susceptible to subdural hematomas (SDH), but there are no previous reports on the epidemiology of SDH in this population. We investigated the incidence and risk factors of chronic SDH. METHODS: A national cohort of 192 Finnish patients with HD was investigated. Information was gathered from medical records and administrative registries. RESULTS: The incidence rate of SDH was 68.3/100,000 person-years among the 192 patients. Seven patients were identified with a chronic SDH at or after the diagnosis of HD. Their age was 58.5 ± 15.0 years (mean ± SD) at the time of diagnosis of HD and 60.9 ± 14.1 years at the time of diagnosis of SDH. The incidence rate of chronic SDH after the diagnosis of HD was 4.7/1000 person-years and by 8.3 years of follow-up the cumulative risk was 5.4 %. Review of the patient charts revealed only a few of the common risk factors for chronic SDH, but the rate of reoperations was high. CONCLUSIONS: The incidence of chronic SDH was higher in patients with HD than that in the general population. Incidence of chronic SDH began to increase at the time of expected motor onset of HD. Common risk factors of SDH were scarce aside from fall-related head injuries.


Asunto(s)
Hematoma Subdural Crónico/epidemiología , Enfermedad de Huntington/complicaciones , Anciano , Anciano de 80 o más Años , Femenino , Finlandia , Hematoma Subdural Crónico/etiología , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Factores de Riesgo
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