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OBJECTIVE: This study investigated whether there is an association between semiology of status epilepticus (SE) and response to treatment and outcome. METHOD: Two hundred ninety-eight consecutive adult patients (160 females, 138 males) with SE at the University of Munich Hospital were prospectively enrolled. Mean age was 63.2±17.5 (18-97) years. Patient demographics, SE semiology and electroencephalography (EEG) findings, etiology, duration of SE, treatment, and outcome measures were investigated. Status epilepticus semiology was classified according to a semiological status classification. Patient's short-term outcome was determined by Glasgow Outcome Scale (GOS). RESULTS: The most frequent SE type was nonconvulsive SE (NCSE) (39.2%), mostly associated with cerebrovascular etiology (46.6%). A potentially fatal etiology was found in 34.8% of the patients. More than half (60.7%) of the patients had poor short-term outcome (GOS≤3) with an overall mortality of 12.4%. SE was refractory to treatment in 21.5% of the patients. Older age, potentially fatal etiology, systemic infections, NCSE in coma, refractory SE, treatment with anesthetics, long SE duration (>24h), low Glasgow Coma Scale (GCS) (≤8) at onset, and high Status Epilepticus Severity Score (STESS-3) (≥3) were associated with poor short-term outcome and death (p<0.05). Potentially fatal etiology and low GCS were the strongest predictors of poor outcome (Exp [b]: 4.74 and 4.10 respectively, p<0.05). CONCLUSION: Status epilepticus semiology has no independent association with outcome, but potentially fatal etiology and low GCS were strong predictive factors for poor short-term outcome of SE.
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Anticonvulsivantes/uso terapéutico , Estado Epiléptico/epidemiología , Estado Epiléptico/terapia , Adolescente , Adulto , Factores de Edad , Anciano , Anciano de 80 o más Años , Trastornos Cerebrovasculares/epidemiología , Trastornos Cerebrovasculares/fisiopatología , Trastornos Cerebrovasculares/terapia , Coma/epidemiología , Coma/fisiopatología , Coma/terapia , Electroencefalografía/tendencias , Femenino , Escala de Consecuencias de Glasgow/tendencias , Humanos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Estado Epiléptico/fisiopatología , Factores de Tiempo , Resultado del Tratamiento , Adulto JovenRESUMEN
BACKGROUND: Due to increasing life expectancy, more and more older people are suffering from dementia and comorbidities. To date, little information is available on place of death for dementia patients in Germany. In addition, the association of place of death and comorbidities is unknown. METHODS: A population-based cross-sectional survey was conducted in Westphalia-Lippe (Germany), based on the analysis of death certificates from 2011. Individuals with dementia ≥ 65 years were identified using the documented cause of death. In this context, all mentioned causes of death were included. In addition, ten selected comorbidities were also analyzed. The results were presented descriptively. Using multivariate logistic regression, place of death was analyzed for any association with comorbidities. RESULTS: A total of 10,364 death certificates were analyzed. Dementia was recorded in 1646 cases (15.9%; mean age 86.3 ± 6.9 years; 67.3% women). On average, 1.5 ± 1.0 selected comorbidities were present. Places of death were distributed as follows: home (19.9%), hospital (28.7%), palliative care unit (0.4%), nursing home (49.5%), hospice (0.9%), no details (0.7%). The death certificates documented cardiac failure in 43.6% of cases, pneumonia in 25.2%, and malignant tumour in 13.4%. An increased likelihood of dying in hospital compared to home or nursing home, respectively, was found for the following comorbidities (OR [95%-CI]): pneumonia (2.96 [2.01-4.35], p = 0.001); (2.38 [1.75-3.25], p = 0.001); renal failure (1.93 [1.26-2.97], p = 0.003); (1.65 [1.18-2.32], p = 0.003); and sepsis (13.73 [4.88-38.63], p = 0.001); (7.34 [4.21-12.78], p = 0.001). CONCLUSION: The most common place of death in patients with dementia is the retirement or nursing home, followed by hospital and home. Specific comorbidities, such as pneumonia or sepsis, correlated with an increased probability of dying in hospital.
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Comorbilidad/tendencias , Demencia/mortalidad , Mapeo Geográfico , Anciano , Anciano de 80 o más Años , Causas de Muerte/tendencias , Estudios Transversales , Certificado de Defunción , Demencia/epidemiología , Femenino , Alemania/epidemiología , Humanos , Modelos Logísticos , Masculino , Estudios Retrospectivos , Cuidado Terminal/estadística & datos numéricosRESUMEN
BACKGROUND: Palliative medicine is an essential component of the health care system. Basic palliative care should be provided by primary care services (family physician and home nursing) with palliative-medical basic qualification. Often it is very difficult to identify patients that would profit from a specialized palliative care team. For the evaluation of the case complexity of a palliative patient, we present a Spanish diagnostic tool IDC-Pal, which tries to specify when, why and where a palliative patient should be referred. The aims of this study were the translation and cultural adaptation of the diagnostic tool for complexity in palliative care IDC-Pal to the German language, and the measurement of its feasibility and face validity. METHODS: During the first phase, a forward-backward translation with linguistic and cultural adaptation of the tool IDC-Pal as well as the validation of its content by a review committee was performed. During the second phase, the preliminary version of the tool was tested by 38 family physicians that were asked for a qualitative assessment using a 10-points Likert scale (1 = "strongly disagree" and 10 = "totally agree"). Finally, a definitive version was developed. RESULTS: The translation and adaptation were achieved without major problems. Both feasibility and apparent validity of the tool IDC-Pal were rated as high. The mean response in the Likert scale was 7.79, with a SD of 0.36. Participants strongly agreed on the apparent validity of the tool with a mean of 7.82 and a SD of 0.26 and on its feasibility with a mean of 7.79, and a SD of 0.39. CONCLUSIONS: A conceptually, culturally and linguistically equivalent version of the original instrument IDC-Pal was obtained. German family physicians agreed on the usability of IDC-Pal as a tool for rating the case complexity of palliative patients. These results indicate that physicians in Bavaria and eventually in Germany could benefit of the full validation of IDC-Pal.
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Evaluación de Necesidades , Cuidados Paliativos , Médicos de Familia , Alemania , Humanos , Proyectos Piloto , Reproducibilidad de los Resultados , Encuestas y CuestionariosRESUMEN
BACKGROUND: Deep brain stimulation (DBS) of the globus pallidus internus is an effective treatment for cervical dystonia (CD). Interestingly, the onset of initial DBS effects is significantly prolonged compared with that in other diseases, such as Parkinson's disease. The return of symptoms after cessation of DBS could be delayed as well, but this has not been studied systematically. METHODS: In patients who were treated for CD using DBS and had a good treatment effect, we compared interruption of DBS with sham-OFF in a randomized, double-blind crossover trial. RESULTS: We observed that dystonic features appeared within a few minutes at almost full intensity in all patients after the cessation of DBS. CONCLUSIONS: The almost immediate onset of dystonic features in our sample seems to exclude mechanisms with long time constants from the pathophysiology of dystonia. Thus, it is likely that, in these patients, an aberrant pattern of neural activity representing an inappropriate set point value for the position of the head is responsible for dystonia.
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Estimulación Encefálica Profunda , Distonía/etiología , Globo Pálido/fisiología , Estudios Cruzados , Estimulación Encefálica Profunda/efectos adversos , Método Doble Ciego , Distonía/fisiopatología , Electrodos Implantados , Humanos , Resultado del TratamientoRESUMEN
Advance Care Planning (ACP) defined as a comprehensive concept requiring a cultural change following implementation at the individual, institutional and regional level in order to achieve care consistency with care preferences when individuals are incapable of participating in critical decisions was first implemented in two regional projects (LIMITS and beizeiten begleiten, North Rhine Westphalia) in Germany in the 2000s. Based on the positive evaluation of beizeiten begleiten, legislation of 2015 (§ 132g, Social Code Book V) allows nursing homes and care homes for persons with disabilities to offer qualified ACP facilitation covered by the statutory health insurance. However, trainers for ACP facilitators need no specific qualification, and the training program for ACP facilitators is only broadly defined, which resulted in great heterogeneity of ACP facilitator qualifications. Furthermore, neither the institutional nor the regional implementation are sufficiently considered in this legislation, i.e. essential components of a successful implementation of ACP are missing. Nevertheless, a growing number of initiatives, research projects and a professional national society for ACP, engage in approaches to advance institutional and regional implementation, and to offer ACP to other target groups beyond the legal framework.
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Planificación Anticipada de Atención , Humanos , Alemania , Casas de SaludRESUMEN
BACKGROUND: According to recent legislation, facilitated advance care planning (ACP) for nursing home (NH) residents is covered by German sickness funds. However, the effects of ACP on patient-relevant outcomes have not been studied in Germany yet. This study investigates whether implementing a complex regional ACP intervention improves care consistency with care preferences in NH residents. METHODS: This is a parallel-group cluster-randomized controlled trial (cRCT) with 48 NHs (≈ 3840 resident beds) between 09/2019 and 02/2023. The intervention group will receive a complex, regional ACP intervention aiming at sustainable systems redesign at all levels (individual, institutional, regional). The intervention comprises comprehensive training of ACP facilitators, implementation of reliable ACP processes, organizational development in the NH and other relevant institutions of the regional healthcare system, and education of health professionals caring for the residents. Control group NHs will deliver care as usual. Primary outcome is the hospitalization rate during the 12-months observation period. Secondary outcomes include the rate of residents whose preferences were known and honored in potentially life-threatening events, hospital days, index treatments like resuscitation and artificial ventilation, advance directives, quality of life, psychological burden on bereaved families, and costs of care. The NHs will provide anonymous, aggregated data of all their residents on the primary outcome and several secondary outcomes (data collection 1). For residents who have given informed consent, we will evaluate care consistency with care preferences and further secondary outcomes, based on chart reviews and short interviews with residents, surrogates, and carers (data collection 2). Process evaluation will aim to explain barriers and facilitators, economic evaluation the cost implications. DISCUSSION: This study has the potential for high-quality evidence on the effects of a complex regional ACP intervention on NH residents, their families and surrogates, NH staff, and health care utilization in Germany. It is the first cRCT investigating a comprehensive regional ACP intervention that aims at improving patient-relevant clinical outcomes, addressing and educating multiple institutions and health care providers, besides qualification of ACP facilitators. Thereby, it can generate evidence on the potential of ACP to effectively promote patient-centered care in the vulnerable population of frail and often chronically ill elderly. TRIAL REGISTRATION: ClinicalTrials.gov ID NCT04333303 . Registered 30 March 2020.
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Planificación Anticipada de Atención , Casas de Salud , Anciano , Alemania , Personal de Salud , Humanos , Estudios Multicéntricos como Asunto , Calidad de Vida , Ensayos Clínicos Controlados Aleatorios como AsuntoRESUMEN
PURPOSE: Studies on seizures only with an alteration of consciousness were limited mainly to generalized epilepsy. This seizure type has been described rarely in focal epilepsy. We aimed to analyze the semiologic features of this seizure type in focal and generalized epilepsies in a blinded design. METHODS: A total of 338 seizure videos in 100 patients were included exclusively by semiologic criteria. Two investigators evaluated the seizure semiology (aura, seizure duration, blinking, mild motor phenomena including automatisms, and so on) from the videos. Primarily the ictal electroencephalography (EEGs) studies and all laboratory findings were evaluated for the localization of the epileptogenic zone and delineating the syndromes, in the second step. KEY FINDINGS: Of the focal epilepsy patients (n = 57), the epileptogenic zone could be localized to the temporal (n = 20), frontal (n = 9), and parietooccipital (n = 3) regions. The most common etiology of the generalized epilepsy patients (n = 43) was presumably genetic (n = 33). The presence of aura (none in generalized epilepsy vs. 35% in focal epilepsy; p = 0.0008), lack of blinking (19.3% in focal vs 65.1% in generalized epilepsy; p = 0.01), and longer seizure duration (generalized 14.3 ± 17.7 s vs focal 54.9 ± 40.1 s; p < 0.0001) are significantly associated with focal epilepsy, whereas high seizure frequency (p = 0.002), family history of epilepsy (p = 0.016), and responsiveness to therapy (p = 0.004) point to generalized epilepsy with logistic regression analysis. SIGNIFICANCE: Seizures consisting mainly of an alteration in consciousness may originate from any brain lobe in focal epilepsies and also occur in generalized epilepsies. Several semiologic and clinical features that help to differentiate between focal and generalized epilepsy should be considered in the syndrome diagnosis.
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Estado de Conciencia , Epilepsias Parciales/etiología , Epilepsia Generalizada/etiología , Adolescente , Adulto , Encéfalo/fisiopatología , Niño , Electroencefalografía , Epilepsias Parciales/fisiopatología , Epilepsia Generalizada/fisiopatología , Femenino , Humanos , Masculino , Convulsiones/fisiopatología , Grabación en Video , Adulto JovenRESUMEN
To avoid chronic distress and increasing social isolation, patients with severe, medication-resistant Gilles de la Tourette syndrome (GTS) require treatment alternatives. Electroconvulsive therapy (ECT) is such an alternative treatment, which, however, is rarely mentioned in the literature: a Pubmed search revealed only 7 reports on GTS and ECT, and there were no long-term data on continuously applied maintenance ECT in GTS. This report is the first to document a 5-year-long, full remission from severe GTS after long-term ECT.
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Terapia Electroconvulsiva , Síndrome de Tourette/terapia , Adulto , Humanos , Masculino , Índice de Severidad de la Enfermedad , Tiempo , Resultado del TratamientoRESUMEN
PURPOSE: To evaluate the clinical utility of epidural and foramen-ovale recordings and associated morbidity in the pre-surgical evaluation of epilepsy. METHODS: We retrospectively analysed 59 epilepsy patients, who underwent recordings with epidural (n = 59) and foramen-ovale electrodes (n = 46) as part of their pre-surgical evaluation between 1990-1999. The epidural and foramen-ovale evaluation was based on the results of the non-invasive EEG-video recordings in patients, in whom non-invasive evaluation failed to localise seizure onset (75%, 44 patients) or where EEG, and imaging studies were discrepant (25%, 15 patients) but allowed a testable hypothesis on the seizure onset zone. RESULTS: Most patients (n = 57) were evaluated between 1990-1994. Only two patients were evaluated later. The results of the epidural (n = 559) and foramen-ovale (n = 83) electrode recordings allowed us to proceed to resective epilepsy surgery in 31% (n = 18) and to exclude further invasive evaluation in 15% (n = 9) of the patients. In 49% (n = 29) of the patients the results guided further invasive recordings using subdural and/or depth electrodes. For only three patients no additional information was gained by the electrode recordings. Temporary morbidity included local infection (epidural; n = 1) and facial pain (foramen ovale; n = 1) but no permanent complication occurred. DISCUSSION: Epidural and foramen-ovale electrodes have almost been abandoned in recent years, most likely because of the improvement of neuroimaging techniques such as MRI, PET and ictal SPECT. However, in selected patients, epidural electrodes and foramen-ovale electrodes are either useful as a measure to avoid invasive evaluation or serve to guide invasive evaluation.
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Encéfalo/cirugía , Electroencefalografía/métodos , Epilepsias Parciales/diagnóstico , Epilepsias Parciales/cirugía , Foramen Oval , Adolescente , Adulto , Edad de Inicio , Mapeo Encefálico , Niño , Preescolar , Electrodos Implantados , Femenino , Humanos , Masculino , Persona de Mediana Edad , Cuidados Preoperatorios , Estudios RetrospectivosRESUMEN
âINTRODUCTION: Randomised controlled trials (RCTs) have shown a positive effect of early integration of palliative care (EIPC) in various advanced cancer entities regarding patients' quality of life (QoL), survival, mood, caregiver burden and reduction of aggressiveness of treatment near the end of life. However, RCTs investigating the positive effect of EIPC for patients suffering from glioblastoma multiforme (GBM) are lacking. After modelling work identifying the specific needs of GBM patients and their caregivers, the aim of this study is to investigate the impact of EIPC in this particular patient group. âMETHODS AND ANALYSIS: The recruitment period of this multicenter RCT started in May 2019. GBM patients (n=214) and their caregivers will be randomly assigned to either the intervention group (receiving proactive EIPC on a monthly basis) or the control group (receiving treatment according to international standards and additional, regular assessment of QoL ('optimised' standard care)).The primary outcome is QoL assessed by subscales of the Functional Assessment of Cancer Therapy for brain tumour (FACT-Br) from baseline to 6 months of treatment. Secondary outcomes are changes in QoL after 12 (end of intervention), 18 and 24 months (end of follow-up), the full FACT-Br scale, patients' palliative care needs, depression/anxiety, cognitive impairment, caregiver burden, healthcare use, cost-effectiveness and overall survival. âETHICS AND DISSEMINATION: The study will be conducted in accordance with the Declaration of Helsinki and has been approved by the local ethics committees of the University Clinics of Cologne, Aachen, Bonn, Freiburg and Munich (LMU). Results of the trial will be submitted for publication in a peer-reviewed, open access journal and disseminated through presentations at conferences. TRIAL REGISTRATION NUMBER: German Register for Clinical Studies (DRKS) (DRKS00016066); Pre-results.
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Neoplasias Encefálicas/terapia , Glioblastoma/terapia , Cuidados Paliativos , Calidad de Vida , Afecto , Agresión , Ansiedad/prevención & control , Neoplasias Encefálicas/psicología , Carga del Cuidador , Disfunción Cognitiva/terapia , Glioblastoma/psicología , Humanos , Análisis de Supervivencia , Tiempo de TratamientoRESUMEN
Neurostimulation represents an interesting alternative therapy for patients resistant to drug treatment or who cannot benefit from resective surgery. Theoretically, neurostimulation allows the control of seizures to be tailored to the individual patient and specific form of epilepsy. Here, we review both experimental and clinical studies that have reported the possible control of epileptic seizures by means of different approaches using electrical stimulation (vagus nerve stimulation, deep brain stimulation and repetitive transcranial magnetic stimulation). The rationale for targeting specific areas that have thus far been considered (i.e., vagus nerve, cerebellum, anterior or centromedial thalamus, basal ganglia, cortex and temporal lobe) is addressed in the light of experimental data and clinical effectiveness in different models and forms of epilepsy. The type of seizures that can be considered for neurostimulation, as well as the optimal parameters such as stimulation frequency and modes of stimulation (chronic, continuous or adaptative), are discussed to determine the best candidates for such a therapeutic strategy. This review points out the need for improved knowledge of neural circuits that generate seizures and/or allow their propagation, as well as a better understanding of the mechanisms of action of neurostimulation.
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Encéfalo/fisiopatología , Encéfalo/cirugía , Estimulación Encefálica Profunda/métodos , Epilepsia/terapia , Estimulación Magnética Transcraneal/métodos , Estimulación del Nervio Vago/métodos , Animales , Ganglios Basales/fisiopatología , Ganglios Basales/cirugía , Cerebelo/fisiopatología , Cerebelo/cirugía , Epilepsia/fisiopatología , Humanos , Tálamo/fisiopatología , Tálamo/cirugía , Resultado del TratamientoRESUMEN
BACKGROUND: Acute mountain sickness (AMS) affects some new arrivals above an altitude of 2500 m. Hypobaric hypoxia is known to produce diuresis and has natriuretic effects due to the release of natriuretic peptides. We tested the hypothesis that increases in brain natriuretic peptide (BNP) at altitude correlates with increased urination and natriuresis as well as symptomatic AMS. METHODS: Subjects were 14 mountaineers who undertook a Himalayan expedition that began at 100 m and passed through 3440 m en route to a final altitude of 5050 m. We measured the severity of AMS (Lake Louise Score), BNP values, nocturnal urine volume, and urine sodium concentration. RESULTS: Nocturnal urine volume increased from 490 +/- 90 mi at 3440 m to 1100 +/- 104 ml at 5050 m. BNP levels at the higher altitude were 10.6 +/- 4.7 pg x ml(-1) and were correlated with the severity of AMS in all mountaineers (Lake Louise Score 4 +/- 0.5 for AMS subjects). However, AMS severity did not correlate with urine volume or urine sodium concentration. CONCLUSIONS: Our results suggest that BNP secretion is not the cause of high-altitude diuresis. Further studies are needed to evaluate the possible role of BNP in individual responses to high altitude.
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Mal de Altura/sangre , Altitud , Diuresis/fisiología , Natriuresis/fisiología , Péptido Natriurético Encefálico/sangre , Adulto , Anciano , Mal de Altura/fisiopatología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Orina , Adulto JovenRESUMEN
PURPOSE: To evaluate the clinical significance of interictal regional polyspikes in focal epilepsies secondary to cortical dysplasia. METHODS: We performed a data search for the term "regional polyspikes" in the database of our epilepsy-monitoring unit. Patients with generalized epilepsies including Lennox-Gastaut syndrome were excluded. Regional interictal epileptiform discharges were recorded in 513 patients with noninvasive EEG. RESULTS: We identified 29 patients with interictal regional polyspikes and focal epilepsies. Another 484 patients showed regional epileptiform discharges other than polyspikes. The etiology of the epilepsy was significantly more frequently cortical dysplasia in the group of patients with regional polyspikes (35%, 10 of 29 patients) than in the patients with other regional epileptiform discharges (5%, 24 of 484 patients) (p < 0.01). The polyspikes were significantly more frequently localized to the extratemporal (72%; n = 21) than temporal (28%; n = 8) regions (p < 0.01). In contrast, regional epileptiform discharges other than polyspikes were significantly more frequently localized to the temporal lobe (75%; n = 362) than extratemporal regions (25%; n = 122) (p < 0.01). Eight of the 10 patients with focal cortical dysplasia had extratemporal polyspikes. DISCUSSION: Noninvasively recorded regional polyspikes suggest cortical dysplasias as etiology of predominantly extratemporal epilepsies.
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Electroencefalografía , Epilepsias Parciales/fisiopatología , Potenciales Evocados/fisiología , Malformaciones del Desarrollo Cortical/fisiopatología , Adolescente , Adulto , Corteza Cerebral/patología , Corteza Cerebral/fisiopatología , Epilepsias Parciales/complicaciones , Epilepsias Parciales/diagnóstico , Femenino , Humanos , Imagen por Resonancia Magnética , Masculino , Malformaciones del Desarrollo Cortical/diagnóstico , Persona de Mediana Edad , Tomografía de Emisión de Positrones , Lóbulo Temporal/patología , Lóbulo Temporal/fisiopatología , Tomografía Computarizada de Emisión de Fotón ÚnicoRESUMEN
OBJECTIVE: Acute mountain sickness (AMS) is caused by a low partial pressure of oxygen and may occur above 2500m. The aim of this research was to evaluate olfactory and gustatory abilities of healthy subjects during baseline conditions and after seven hours of normobaric hypoxia. METHODS: Sixteen healthy subjects were assessed using the Sniffin' Sticks, as well as intensity and pleasantness ratings. Gustatory function was evaluated utilizing the Taste Strips. Experiments were carried out under baseline conditions (518m altitude) followed by a second testing session after seven hours of normobaric hypoxia exposure (comparable to 4000m altitude). RESULTS: During normobaric hypoxia olfactory sensitivity and intensity estimates were significantly reduced. CONCLUSIONS: We conclude that normobaric hypoxia leads to a significant decrease of olfactory sensitivity and intensity ratings.
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Hipoxia/fisiopatología , Percepción Olfatoria/fisiología , Umbral Gustativo/fisiología , Altitud , Mal de Altura/fisiopatología , Voluntarios Sanos , Humanos , Masculino , Umbral Sensorial , Olfato/fisiología , Adulto JovenRESUMEN
Background: The neuropathology of patients with frontotemporal dementia (FTD) or amyotrophic lateral sclerosis (ALS) due to a C9orf72 mutation is characterized by two distinct types of characteristic protein depositions containing either TDP-43 or so-called dipeptide repeat proteins that extend beyond frontal and temporal regions. Thalamus and cerebellum seem to be preferentially affected by the dipeptide repeat pathology unique to C9orf72 mutation carriers. Objective: This study aimed to determine if mutation carriers showed an enhanced degree of thalamic and cerebellar atrophy compared to sporadic patients or healthy controls. Methods: Atlas-based volumetry was performed in 13 affected C9orf72 FTD, ALS and FTD/ALS patients, 45 sporadic FTD and FTD/ALS patients and 19 healthy controls. Volumes and laterality indices showing significant differences between mutation carriers and sporadic patients were subjected to binary logistic regression to determine the best predictor of mutation carrier status. Results: Compared to sporadic patients, mutation carriers showed a significant volume reduction of the thalamus, which was most striking in the occipital, temporal and prefrontal subregion of the thalamus. Disease severity measured by mini mental status examination (MMSE) and FTD modified Clinical Dementia Rating Scale Sum of Boxes (FTD-CDR-SOB) significantly correlated with volume reduction in the aforementioned thalamic subregions. No significant atrophy of cerebellar regions could be detected. A logistic regression model using the volume of the prefrontal and the laterality index of the occipital subregion of the thalamus as predictor variables resulted in an area under the curve (AUC) of 0.88 while a model using overall thalamic volume still resulted in an AUC of 0.82. Conclusion: Our data show that thalamic atrophy in C9orf72 mutation carriers goes beyond the expected atrophy in the prefrontal and temporal subregion and is in good agreement with the cortical atrophy pattern described in C9orf72 mutation carriers, indicating a retrograde degeneration of functionally connected regions. Clinical relevance of the detected thalamic atrophy is illustrated by a correlation with disease severity. Furthermore, the findings suggest MRI volumetry of the thalamus to be of high predictive value in differentiating C9orf72 mutation carriers from patients with sporadic FTD.
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Acute mountain sickness (AMS) can occur during climbs to high altitudes and may seriously disturb the behavioral and intellectual capacities of susceptible subjects. During a Himalayan expedition 32 mountaineers were examined with electroencephalography (EEG) and transcranial doppler sonography (TCD) to assess relative changes of middle cerebral artery velocity in relation to end-expiratory CO2 (EtCO2), peripheral saturation (SaO2), and symptoms of AMS. We tested the hypothesis that O2 desaturation and EtCO2 changes precede the development of AMS and result in brain dysfunction and compensatory mechanisms which can be measured by EEG and TCD, respectively. Contrary to our hypothesis, we found that subjects who later developed symptoms of AMS between 3,440 m and 5,050 m altitude exhibited an increase of slow cerebral activity in the right temporal region already at 3,440 m. Cerebral blood flow increased in these mountaineers in the right middle cerebral artery at 5,050 m. These findings indicate that regional brain dysfunction, which can be documented by EEG, heralds the appearance of clinical symptoms of AMS.
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Mal de Altura/complicaciones , Mal de Altura/patología , Circulación Cerebrovascular/fisiología , Lateralidad Funcional/fisiología , Lóbulo Temporal/fisiopatología , Aclimatación , Enfermedad Aguda , Adulto , Anciano , Altitud , Mal de Altura/sangre , Mal de Altura/diagnóstico por imagen , Mapeo Encefálico , Dióxido de Carbono/sangre , Electroencefalografía/métodos , Femenino , Humanos , Masculino , Persona de Mediana Edad , Montañismo , Oxígeno/sangre , Pruebas de Función Respiratoria , Estadísticas no Paramétricas , Lóbulo Temporal/diagnóstico por imagen , Ultrasonografía Doppler Transcraneal/métodosRESUMEN
Severe cerebral venous thrombosis (CVT) is a rare cerebrovascular condition which in the more severe cases warrants intensive care treatment. While the outcome in the majority of uncomplicated CVT cases is good, it may be fatal in more affected patients. We provide long-term functional and quality of life (QOL) outcome data in the form of a retrospective analysis of 10 patients admitted to a neurological ICU with severe CVT. Outcome measures used were the modified Rankin Scale, the 36-item Short Form Health Survey, and the Psychological General Well-Being index. The mortality rate was 50% but 4 out 5 survivors had a good functional outcome with normal QOL despite a very severe clinical course. This finding justifies extensive life-sustaining therapy as the prognosis even of severe cases may be good if the acute phase is survived.
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Trombosis Intracraneal/fisiopatología , Evaluación de Resultado en la Atención de Salud , Recuperación de la Función/fisiología , Trombosis de la Vena/fisiopatología , Adulto , Diagnóstico por Imagen , Femenino , Humanos , Trombosis Intracraneal/patología , Trombosis Intracraneal/psicología , Trombosis Intracraneal/terapia , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Calidad de Vida , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Análisis de Supervivencia , Trombosis de la Vena/patología , Trombosis de la Vena/psicología , Trombosis de la Vena/terapiaRESUMEN
OBJECTIVE: Caloric stimulation leads to a reduction of the cerebral blood flow in the visual cortex. This reduction has been attributed to the suppression of visual input caused by nystagmus induced by caloric stimulation. We investigated the influence of caloric stimulation on transient flash and steady-state flash visual evoked potentials. METHODS: Visual evoked potentials to 1 and 10 Hz flash stimulation were recorded in 12 normal subjects at baseline, during nystagmus induced by caloric stimulation with cold water, and after the cessation of nystagmus. RESULTS: Neither the amplitude of the transient flash visual evoked potentials (1 Hz stimulation) nor the amplitude of the steady-state flash visual evoked potentials (10 Hz stimulation) was influenced by caloric stimulation compared to baseline. CONCLUSIONS: The deactivation of the visual cortex by caloric stimulation does not seem to affect transient flash or steady-state flash visual evoked potentials. Reduction of cerebral blood flow in the visual cortex does not affect the processing of visual qualities (e.g., luminance and pattern). SIGNIFICANCE: Caloric stimulation does not reduce the amplitudes of transient flash or steady-state flash visual evoked potentials.
Asunto(s)
Potenciales Evocados Visuales/fisiología , Nistagmo Fisiológico/fisiología , Adulto , Circulación Cerebrovascular/fisiología , Electroencefalografía , Femenino , Calor , Humanos , Masculino , Corteza Visual/fisiologíaRESUMEN
BACKGROUND: Cancer care including aggressive treatment procedures during the last phase of life in patients with incurable cancer has increasingly come under scrutiny, while integrating specialist palliative care at an early stage is regarded as indication for high quality end-of-life patient care. AIM: To describe the demographic and clinical characteristics and the medical care provided at the end of life of cancer patients who died in a German university hospital. METHODS: Retrospective cross-sectional study on the basis of anonymized hospital data for cancer patients who died in the Munich University Hospital in 2014. Descriptive analysis and multivariate logistic regression analyses for factors influencing the administration of aggressive treatment procedures at the end of life. RESULTS: Overall, 532 cancer patients died. Mean age was 66.8 years, 58.5% were men. 110/532 (20.7%) decedents had hematologic malignancies and 422/532 (79.3%) a solid tumor. Patients underwent the following medical interventions in the last 7/30 days: chemotherapy (7.7%/38.3%), radiotherapy (2.6%/6.4%), resuscitation (8.5%/10.5%), surgery (15.2%/31.0%), renal replacement therapy (12.0%/16.9%), blood transfusions (21.2%/39.5%), CT scan (33.8%/60.9%). In comparison to patients with solid tumors, patients with hematologic malignancies were more likely to die in intensive care (25.4% vs. 49.1%; p = 0.001), and were also more likely to receive blood transfusions (OR 2.21; 95% CI, 1.36 to 3.58; p = 0.001) and renal replacement therapy (OR 2.65; 95% CI, 1.49 to 4.70; p = 0.001) in the last 7 days of life. Contact with the hospital palliative care team had been initiated in 161/532 patients (30.3%). In 87/161 cases (54.0%), the contact was initiated within the last week of the patient's life. CONCLUSIONS: Overambitious treatments are still reality at the end of life in cancer patients in hospital but patients with solid tumors and hematologic malignancies have to be differentiated. More efforts are necessary for the timely inclusion of specialist palliative care.