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1.
Rev Med Suisse ; 17(751): 1624-1626, 2021 Sep 22.
Artículo en Francés | MEDLINE | ID: mdl-34550657

RESUMEN

We prospectively followed a cohort of 26 subjects for an average period of 41 months who benefited from occipital nerve stimulation (ONS) in the context of chronic refractory headaches. In 17 patients treated, the frequency of headache decreased, and quality of life scores improved significantly. Among these patients, the "very good" response rate was 34 %. In this cohort, treatment-related adverse events are relatively common (42 %) but not severe. While it is difficult to anticipate the risk factors for non-response to treatment, we estimate that the risk of failure may not be related to the duration of the disease, but rather to the number of different preventives attempted prior to ONS.


Nous avons suivi prospectivement durant une période d'en moyenne 41 mois une cohorte de 26 patients romands qui ont bénéficié d'une stimulation du nerf occipital (ONS) dans le cadre de céphalées chroniques réfractaires. Chez 17 patients non explantés, la fréquence des céphalées a diminué et les scores de qualité de vie se sont améliorés de façon significative. Parmi ces patients, le taux de « très bonne ¼ réponse est de 34 %. On constate dans cette cohorte que les effets indésirables liés au traitement sont relativement courants (42 %) mais non sévères. Même s'il est difficile d'anticiper les facteurs de risque de non-réponse au traitement, nous estimons que la probabilité d'échec ne serait pas corrélée à la durée de la maladie mais plutôt au nombre de traitements préventifs tentés avant l'ONS.


Asunto(s)
Terapia por Estimulación Eléctrica , Trastornos de Cefalalgia , Cefalea/terapia , Trastornos de Cefalalgia/terapia , Humanos , Calidad de Vida , Resultado del Tratamiento
2.
J Stroke Cerebrovasc Dis ; 28(3): 710-718, 2019 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-30501979

RESUMEN

BACKGROUND: There are limited data comparing posterior (PC) and anterior (AC) circulation acute ischemic strokes (AIS). We aimed to identify specific features of PC and AC strokes regarding clinical, etiological, radiological, and outcome factors. METHODS: Patients from the Acute STroke Registry and Analysis of Lausanne, a prospective cohort of consecutive AIS, from years 2003 to 2008 were included. The stroke territory was determined by a combination of neuroimaging and clinical symptoms. Patients with uncertain localization or with simultaneous AC and PC strokes were excluded. Multivariate associations between territory and multiple variables were investigated. RESULTS: A total of 1449 patients were included, 466 (32.2%) had a PC territory stroke and 983 (67.8%) an AC. On multivariate analysis, those with PC AIS had lower National Institutes of Health Stroke Scale at admission, more often showed decreased consciousness, visual field defects, and vestibulo-cerebellar signs, but less hemisyndromes, dysarthria, and cognitive symptoms compared to AC AIS patients. Male sex, arterial dissection, lacunar mechanisms, and endovascular recanalization were more frequent in PC strokes, whereas cardioembolic strokes and IV-thrombolysis rates were lower. Less early ischemic signs on admission CT, overall arterial pathology, and 24-hour recanalization were present in PC strokes but intracranial arterial pathology was more prevalent than in AC. The adjusted clinical outcome at 3 months was similar in both groups. CONCLUSIONS: In this large retrospective consecutive AIS series, there were specific differences in clinical presentation, etiology, and arterial pathology between PC and AC strokes which did not influence clinical outcome. These findings could lead to a tailored diagnostic work-up, acute treatment strategies, and secondary prevention.


Asunto(s)
Infarto de la Arteria Cerebral Anterior/diagnóstico por imagen , Infarto de la Arteria Cerebral Posterior/diagnóstico por imagen , Neuroimagen/métodos , Anciano , Anciano de 80 o más Años , Evaluación de la Discapacidad , Femenino , Humanos , Infarto de la Arteria Cerebral Anterior/tratamiento farmacológico , Infarto de la Arteria Cerebral Anterior/fisiopatología , Infarto de la Arteria Cerebral Anterior/psicología , Infarto de la Arteria Cerebral Posterior/tratamiento farmacológico , Infarto de la Arteria Cerebral Posterior/fisiopatología , Infarto de la Arteria Cerebral Posterior/psicología , Masculino , Persona de Mediana Edad , Valor Predictivo de las Pruebas , Recuperación de la Función , Sistema de Registros , Estudios Retrospectivos , Factores de Riesgo , Suiza , Terapia Trombolítica , Factores de Tiempo , Resultado del Tratamiento
3.
Neurology ; 85(6): 505-11, 2015 Aug 11.
Artículo en Inglés | MEDLINE | ID: mdl-26180146

RESUMEN

OBJECTIVE: To identify risk factors, circumstances, and outcomes for individuals with acute ischemic stroke (AIS) chameleons (AIS-C) arriving in the emergency department of a university hospital. METHODS: We retrospectively reviewed all patients with AIS from the prospectively constructed Acute Stroke Registry and Analysis of Lausanne during 8.25 years. AIS-C were defined as a failure to suspect stroke or as incorrect exclusion of stroke diagnosis. They were compared with patients diagnosed correctly at the time of admission. RESULTS: Forty-seven of 2,200 AIS were missed (2.1%). These AIS-C were either very mild or very severe strokes. Multivariate analysis showed a younger age in patients with AIS-C (odds ratio [OR] per year 0.98, p < 0.01), less prestroke statin treatment (OR 0.29, p = 0.04), and lower diastolic admission blood pressure (OR 0.98 p = 0.04). They showed less eye deviation (OR 0.21, p = 0.04) and more cerebellar strokes (OR 3.78, p < 0.01). AIS-C were misdiagnosed as other neurologic (42.6% of cases) or nonneurologic (17.0%) disease, as unexplained decreased level of consciousness (21.3%), and as concomitantly present disease (19.1%). At 12 months, patients with AIS-C had less favorable outcomes (adjusted OR 0.21, p < 0.01) and higher mortality (adjusted OR 4.37, p < 0.01). CONCLUSIONS: AIS are missed in patients with younger age with a lower cerebrovascular risk profile and may be masked by other acute conditions. Patients with chameleons present more often with milder strokes or coma, fewer focal signs and cerebellar strokes, and have higher disability and mortality rates at 12 months. These findings may be used to raise awareness in emergency departments to recognize and treat such patients appropriately.


Asunto(s)
Hospitales Universitarios/estadística & datos numéricos , Accidente Cerebrovascular/diagnóstico , Accidente Cerebrovascular/terapia , Resultado del Tratamiento , Adulto , Factores de Edad , Anciano , Anciano de 80 o más Años , Análisis de Varianza , Evaluación de la Discapacidad , Servicio de Urgencia en Hospital , Femenino , Humanos , Modelos Logísticos , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Sistema de Registros , Estudios Retrospectivos , Factores de Riesgo , Accidente Cerebrovascular/epidemiología , Accidente Cerebrovascular/fisiopatología
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