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1.
Clin Neurol Neurosurg ; 242: 108341, 2024 May 16.
Artículo en Inglés | MEDLINE | ID: mdl-38772280

RESUMEN

In the last decade there is an increasing frequency of sudden generic switches of antiseizure medications (ASMs) due to delivery problems. We here explored the patient's views toward generic substitution of ASMs and their experiences with delivery problems and switches of the manufacturer. A questionnaire already used in 2011 was updateded and published on the website of a patient's organisation from March 2022 until November 2022. 54.4 % of the responders reported delivery problems. Delivery problems were reported from Germany by a higher number of responders than from Switzerland. To 83.7 % of the responders the delivery problems were communicated by the pharmacists. In 41.9 % of these the delivery problems were coped by generic substitution. In 33 % of the latter breakthrough seizures occurred. 26 % of the respondents with experience of a change of the manufacturer not due to a delivery problem reported breakthrough seizures after being substituted. The majority of patients denied having been well informed about the possible consequences of a switch of the manufacturer. A thorough counselling on the low risks caused by change of the manufacturer and the need for good adherence to further reduce the risks should be part of the general information about their treatment with ASMs for people with epilepsy.

3.
Ultrasound Int Open ; 10: a22439625, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38463153

RESUMEN

Purpose To provide an overview on education, training, practice requirements, and fields of application of neurosonology in Europe and beyond. Materials and Methods National representatives and experts in neurosonology were surveyed regarding neurosonology requirements and practice in their countries. Descriptive statistics were used to report the data. Results Between February 1 and March 31, 2023, 42/46 (91.3%) national representatives responded to our questionnaire and the completion rate was 100%. Most countries (71.4%) offer a neurosonology training program during neurology residency, but it is part of the undergraduate medical program only in 30.9%. National certification is available in 47.6% of the countries surveyed and most countries (76.2%) require certification to practice. In 50% of the countries, candidates are assessed by a board examination, while in 26.2% they just need to document their practice. There is no formal accreditation of neurosonology centers in 78.6% of the countries surveyed. Only a few require certified personnel and appropriate equipment. Adequate teaching and research activities are only rarely necessary elements for laboratory accreditation. Conclusion Our results indicate that there is a substantial need for transnational harmonization of neurosonological standards to guarantee uniformity and quality of performance. This survey will also provide guidance to promote an international accrediting council and create a quality-controlled laboratory network for implementing neurosonology in clinical trials.

4.
JAMA Neurol ; 2024 Feb 26.
Artículo en Inglés | MEDLINE | ID: mdl-38407889

RESUMEN

Importance: According to the current American Heart Association/American Stroke Association guidelines, decompressive surgery is indicated in patients with cerebellar infarcts that demonstrate severe cerebellar swelling. However, there is no universal definition of swelling and/or infarct volume(s) available to support a decision for surgery. Objective: To evaluate functional outcomes in surgically compared with conservatively managed patients with cerebellar infarcts. Design, Setting, and Participants: In this retrospective multicenter cohort study, patients with cerebellar infarcts treated at 5 tertiary referral hospitals or stroke centers within Germany between 2008 and 2021 were included. Data were analyzed from November 2020 to November 2023. Exposures: Surgical treatment (ie, posterior fossa decompression plus standard of care) vs conservative management (ie, medical standard of care). Main Outcomes and Measures: The primary outcome examined was functional status evaluated by the modified Rankin Scale (mRS) at discharge and 1-year follow-up. Secondary outcomes included the predicted probabilities for favorable outcome (mRS score of 0 to 3) stratified by infarct volumes or Glasgow Coma Scale score at admission and treatment modality. Analyses included propensity score matching, with adjustments for age, sex, Glasgow Coma Scale score at admission, brainstem involvement, and infarct volume. Results: Of 531 included patients with cerebellar infarcts, 301 (57%) were male, and the mean (SD) age was 68 (14.4) years. After propensity score matching, a total of 71 patients received surgical treatment and 71 patients conservative treatment. There was no significant difference in favorable outcomes (ie, mRS score of 0 to 3) at discharge for those treated surgically vs conservatively (47 [66%] vs 45 [65%]; odds ratio, 1.1; 95% CI, 0.5-2.2; P > .99) or at follow-up (35 [73%] vs 33 [61%]; odds ratio, 1.8; 95% CI, 0.7-4.2; P > .99). In patients with cerebellar infarct volumes of 35 mL or greater, surgical treatment was associated with a significant improvement in favorable outcomes at 1-year follow-up (38 [61%] vs 3 [25%]; odds ratio, 4.8; 95% CI, 1.2-19.3; P = .03), while conservative treatment was associated with favorable outcomes at 1-year follow-up in patients with infarct volumes of less than 25 mL (2 [34%] vs 218 [74%]; odds ratio, 0.2; 95% CI, 0-1.0; P = .047). Conclusions and Relevance: Overall, surgery was not associated with improved outcomes compared with conservative management in patients with cerebellar infarcts. However, when stratifying based on infarct volume, surgical treatment appeared to be beneficial in patients with larger infarct volumes, while conservative management appeared favorable in patients with smaller infarct volumes.

5.
Neurosurgery ; 94(3): 559-566, 2024 Mar 01.
Artículo en Inglés | MEDLINE | ID: mdl-37800900

RESUMEN

BACKGROUND AND OBJECTIVES: Space-occupying cerebellar stroke (SOCS) when coupled with neurological deterioration represents a neurosurgical emergency. Although current evidence supports surgical intervention in such patients with SOCS and rapid neurological deterioration, the optimal surgical methods/techniques to be applied remain a matter of debate. METHODS: We conducted a retrospective, multicenter study of patients undergoing surgery for SOCS. Patients were stratified according to the type of surgery as (1) suboccipital decompressive craniectomy (SDC) or (2) suboccipital craniotomy with concurrent necrosectomy. The primary end point examined was functional outcome using the modified Rankin Scale (mRS) at discharge and at 3 months (mRS 0-3 defined as favorable and mRS 4-6 as unfavorable outcome). Secondary end points included the analysis of in-house postoperative complications, mortality, and length of hospitalization. RESULTS: Ninety-two patients were included in the final analysis: 49 underwent necrosectomy and 43 underwent SDC. Those with necrosectomy displayed significantly higher rate of favorable outcome at discharge as compared with those who underwent SDC alone: 65.3% vs 27.9%, respectively ( P < .001, odds ratios 4.9, 95% CI 2.0-11.8). This difference was also observed at 3 months: 65.3% vs 41.7% ( P = .030, odds ratios 2.7, 95% CI 1.1-6.7). No significant differences were observed in mortality and/or postoperative complications, such as hemorrhagic transformation, infection, and/or the development of cerebrospinal fluid leaks/fistulas. CONCLUSION: In the setting of SOCS, patients treated with necrosectomy displayed better functional outcomes than those patients who underwent SDC alone. Ultimately, prospective, randomized studies will be needed to confirm this finding.


Asunto(s)
Isquemia Encefálica , Enfermedades Cerebelosas , Craniectomía Descompresiva , Humanos , Estudios Retrospectivos , Craniectomía Descompresiva/métodos , Estudios Prospectivos , Isquemia Encefálica/cirugía , Enfermedades Cerebelosas/cirugía , Complicaciones Posoperatorias/cirugía , Infarto/cirugía , Resultado del Tratamiento
6.
Eur J Neurol ; 31(2): e16127, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-37933884

RESUMEN

BACKGROUND AND PURPOSE: In amyotrophic lateral sclerosis (ALS), phrenic nerve (PN) atrophy has been found, whereas there is controversy regarding vagus nerve (VN) atrophy. Here, we aimed to find out whether PN atrophy is related to respiratory function and 12-month survival. Moreover, we investigated the relevance of VN and spinal accessory nerve (AN) atrophy in ALS. METHODS: This prospective observational monocentric study included 80 adult participants (40 ALS patients, 40 age- and sex-matched controls). The cross-sectional area (CSA) of bilateral cervical VN, AN, and PN was measured on high-resolution ultrasonography. Clinical assessments included the Amyotrophic Lateral Sclerosis Functional Rating Scale-Revised (ALSFRS-R), the Non-Motor Symptoms Questionnaire, and handheld spirometry of forced vital capacity (FVC). One-year survival was documented. RESULTS: The CSA of each nerve, VN, AN, and PN, was smaller in ALS patients compared to controls. VN atrophy was unrelated to nonmotor symptom scores. PN CSA correlated with the respiratory subscore of the ALSFRS-R (Spearman test, r = 0.59, p < 0.001), the supine FVC (r = 0.71, p < 0.001), and the relative change of sitting-supine FVC (r = -0.64, p = 0.001). Respiratory impairment was predicted by bilateral mean PN CSA (p = 0.046, optimum cutoff value of ≤0.37 mm2 , sensitivity = 92%, specificity = 56%) and by the sum of PN and AN CSA (p = 0.036). The combination of ALSFRS-R score with PN and AN CSA measures predicted 1-year survival with similar accuracy as the combination of ALSFRS-R score and FVC. CONCLUSIONS: Ultrasonography detects degeneration of cranial nerve motor fibers. PN and AN calibers are tightly related to respiratory function and 1-year survival in ALS.


Asunto(s)
Esclerosis Amiotrófica Lateral , Adulto , Humanos , Esclerosis Amiotrófica Lateral/complicaciones , Esclerosis Amiotrófica Lateral/diagnóstico por imagen , Atrofia , Nervio Frénico/diagnóstico por imagen , Ultrasonido , Nervio Vago , Masculino , Femenino
7.
Clin Neurophysiol ; 156: 196-206, 2023 12.
Artículo en Inglés | MEDLINE | ID: mdl-37972531

RESUMEN

OBJECTIVE: To assess transcranial sonography (TCS) as stand-alone tool and in combination with microelectrode recordings (MER) as a method for the postoperative localization of deep brain stimulation (DBS) electrodes in the subthalamic nucleus (STN). METHODS: Individual dorsal and ventral boundaries of STN (n = 12) were determined on intraoperative MER. Postoperatively, a standardized TCS protocol was applied to measure medio-lateral, anterior-posterior and rostro-caudal electrode position using visualized reference structures (midline, substantia nigra). TCS and combined TCS-MER data were validated using fusion-imaging and clinical outcome data. RESULTS: Test-retest reliability of standard TCS measures of electrode position was excellent. Computed tomography and TCS measures of distance between distal electrode contact and midline agreed well (Pearson correlation; r = 0.86; p < 0.001). Comparing our "gold standard" of rostro-caudal electrode localization relative to STN boundaries, i.e. combining MRI-based stereotaxy and MER data, with the combination of TCS and MER data, the measures differed by 0.32 ± 0.87 (range, -1.35 to 1.25) mm. Combined TCS-MER data identified the clinically preferred electrode contacts for STN-DBS with high accuracy (Cohens kappa, 0.86). CONCLUSIONS: Combined TCS-MER data allow for exact localization of STN-DBS electrodes. SIGNIFICANCE: Our method provides a new option for monitoring of STN-DBS electrode location and guidance of DBS programming in Parkinson's disease.


Asunto(s)
Estimulación Encefálica Profunda , Enfermedad de Parkinson , Núcleo Subtalámico , Humanos , Enfermedad de Parkinson/terapia , Enfermedad de Parkinson/cirugía , Microelectrodos , Reproducibilidad de los Resultados , Estimulación Encefálica Profunda/métodos , Núcleo Subtalámico/diagnóstico por imagen , Núcleo Subtalámico/cirugía , Núcleo Subtalámico/fisiología , Imagen por Resonancia Magnética/métodos , Electrodos Implantados
9.
Stroke ; 54(10): 2569-2575, 2023 10.
Artículo en Inglés | MEDLINE | ID: mdl-37551591

RESUMEN

BACKGROUND: Several individual predictors for outcomes in patients with cerebellar stroke (CS) have been previously identified. There is, however, no established clinical score for CS. Therefore, the aim of this study was to develop simple and accurate grading scales for patients with CS in an effort to better estimate mortality and outcomes. METHODS: This multicentric retrospective study included 531 patients with ischemic CS presenting to 5 different academic neurosurgical and neurological departments throughout Germany between 2008 and 2021. Logistic regression analysis was performed to determine independent predictors related to 30-day mortality and unfavorable outcome (modified Rankin Scale score of 4-6). By weighing each parameter via calculation of regression coefficients, an ischemic CS-score and CS-grading scale (CS-GS) were developed and internally validated. RESULTS: Independent predictors for 30-day mortality were aged ≥70 years (odds ratio, 5.2), Glasgow Coma Scale score 3 to 4 at admission (odds ratio, 2.6), stroke volume ≥25 cm3 (odds ratio, 2.7), and involvement of the brain stem (odds ratio, 3.9). When integrating each parameter into the CS-score, age≥70 years and brain stem stroke were assigned 2 points, Glasgow Coma Scale score 3 to 4, and stroke volume≥25 cm3 1 point resulting in a score ranging from 0 to 6. CS-score of 0, 1, 2, 3, 4, 5, and 6 points resulted in 30-day mortality of 1%, 6%, 6%, 17%, 21%, 55%, and 67%, respectively. Independent predictors for 30-day unfavorable outcomes consisted of all components of the CS-score with an additional variable focused on comorbidities (CS-GS). Except for Glasgow Coma Scale score 3 to 4 at admission, which was assigned 3 points, all other parameters were assigned 1 point resulting in an overall score ranging from 0 to 7. CS-GS of 0, 1, 2, 3, 4, 5, 6, and 7 points resulted in 30-day unfavorable outcome of 1%, 17%, 33%, 40%, 50%, 80%, 77%, and 100%, respectively. Both 30-day mortality and unfavorable outcomes increased with increasing CS-score and CS-GS (P<0.001). CONCLUSIONS: The CS-score and CS-GS are simple and accurate grading scales for the prediction of 30-day mortality and unfavorable outcome in patients with CS. While the score systems proposed here may not directly impact treatment decisions, it may help discuss mortality and outcome with patients and caregivers.


Asunto(s)
Isquemia Encefálica , Accidente Cerebrovascular Isquémico , Accidente Cerebrovascular , Humanos , Isquemia Encefálica/diagnóstico , Isquemia Encefálica/terapia , Valor Predictivo de las Pruebas , Pronóstico , Estudios Retrospectivos , Accidente Cerebrovascular/diagnóstico , Accidente Cerebrovascular/terapia , Resultado del Tratamiento , Anciano
10.
Anaesthesiologie ; 72(8): 543-554, 2023 08.
Artículo en Alemán | MEDLINE | ID: mdl-37310449

RESUMEN

Intensive care unit-acquired weakness (ICUAW) is one of the most common neuromuscular complications in intensive care medicine. The clinical diagnosis and assessment of the severity using established diagnostic methods (e.g., clinical examination using the Medical Research Council Sum Score or electrophysiological examination) can be difficult or even impossible, especially in sedated, ventilated and delirious patients. Neuromuscular ultrasound (NMUS) has increasingly been investigated in ICUAW as an easy to use noninvasive and mostly patient compliance-independent diagnostic alternative. It has been shown that NMUS appears to be a promising tool to detect ICUAW, to assess the severity of muscular weakness and to monitor the clinical progression. Further studies are needed to standardize the methodology, to evaluate the training effort and to optimize outcome predication. The formulation of an interdisciplinary neurological and anesthesiological training curriculum is warranted to establish NMUS as a complementary diagnostic method of ICUAW in daily clinical practice.


Asunto(s)
Unidades de Cuidados Intensivos , Debilidad Muscular , Polineuropatías , Cuidados Críticos , Enfermedad Crítica , Debilidad Muscular/diagnóstico por imagen , Enfermedades Musculares , Humanos
11.
Parkinsonism Relat Disord ; 112: 105451, 2023 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-37236044

RESUMEN

BACKGROUND: Parkinson's disease (PD) is a major cause of disability. We aimed to assess the benefit of ultrasonography of the vagus nerve (VN) to compare between PD and healthy controls as well as to deliver reference values of nerve cross sectional area (CSA). MATERIALS AND METHODS: We performed a systematic search on Medline (PubMed), Scopus, Embase, and Web of Science, up till July 25, 2022. After article selection and screening, we performed a quality assessment using the Newcastle-Ottawa Scale. Furthermore, a statistical analysis and subgroup analysis was performed. RESULTS: Eleven studies were included with a total of 809 participants (409 PD patients and 400 controls). A statistically significant difference in the CSA of the right and left VN between PD patients and healthy controls was observed, indicating the atrophy of VN in PD patients (p < 0.00001). The subgroup meta-analysis for average measurements of VN CSA showed insignificant heterogeneity for age (I2 = 48.67%, p = 0.058), level of measurements (I2 = 57.91%, p = 0.05), and disease duration (I2 = 27.1%, p = 0.241). CONCLUSION: Our meta-analysis showed a sonographically detectable degree of neuronal damage in PD, which correlates with VN atrophy with high confidence. Therefore, we believe this is a potential marker for vagus neuronal lesions. Future studies are required to assess the potential clinical correlation.


Asunto(s)
Enfermedad de Parkinson , Humanos , Enfermedad de Parkinson/complicaciones , Enfermedad de Parkinson/diagnóstico por imagen , Enfermedad de Parkinson/patología , Nervio Vago/diagnóstico por imagen , Ultrasonografía , Valores de Referencia
12.
Medicina (Kaunas) ; 59(5)2023 Apr 27.
Artículo en Inglés | MEDLINE | ID: mdl-37241077

RESUMEN

Intensive care unit-acquired weakness (ICUAW) is one of the most common causes of muscle atrophy and functional disability in critically ill intensive care patients. Clinical examination, manual muscle strength testing and monitoring are frequently hampered by sedation, delirium and cognitive impairment. Many different attempts have been made to evaluate alternative compliance-independent methods, such as muscle biopsies, nerve conduction studies, electromyography and serum biomarkers. However, they are invasive, time-consuming and often require special expertise to perform, making them vastly impractical for daily intensive care medicine. Ultrasound is a broadly accepted, non-invasive, bedside-accessible diagnostic tool and well established in various clinical applications. Hereby, neuromuscular ultrasound (NMUS), in particular, has been proven to be of significant diagnostic value in many different neuromuscular diseases. In ICUAW, NMUS has been shown to detect and monitor alterations of muscles and nerves, and might help to predict patient outcome. This narrative review is focused on the recent scientific literature investigating NMUS in ICUAW and highlights the current state and future opportunities of this promising diagnostic tool.


Asunto(s)
Fragilidad , Enfermedades Neuromusculares , Humanos , Debilidad Muscular/diagnóstico por imagen , Debilidad Muscular/etiología , Unidades de Cuidados Intensivos , Cuidados Críticos , Enfermedades Neuromusculares/diagnóstico por imagen , Enfermedades Neuromusculares/complicaciones , Electromiografía
13.
Hepatobiliary Pancreat Dis Int ; 22(2): 190-199, 2023 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-36549966

RESUMEN

BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) is a disease of the elderly mostly because its development from preneoplastic lesions depends on the accumulation of gene mutations and epigenetic alterations over time. How aging of non-cancerous tissues of the host affects tumor progression, however, remains largely unknown. METHODS: We took advantage of a model of accelerated aging, uncoupling protein 2-deficient (Ucp2 knockout, Ucp2 KO) mice, to investigate the growth of orthotopically transplanted Ucp2 wild-type (WT) PDAC cells (cell lines Panc02 and 6606PDA) in vivo and to study strain-dependent differences of the PDAC microenvironment. RESULTS: Measurements of tumor weights and quantification of proliferating cells indicated a significant growth advantage of Panc02 and 6606PDA cells in WT mice compared to Ucp2 KO mice. In tumors in the knockout strain, higher levels of interferon-γ mRNA despite similar numbers of tumor-infiltrating T cells were observed. 6606PDA cells triggered a stronger stromal reaction in Ucp2 KO mice than in WT animals. Accordingly, pancreatic stellate cells from Ucp2 KO mice proliferated at a higher rate than cells of the WT strain when they were incubated with conditioned media from PDAC cells. CONCLUSIONS: Ucp2 modulates PDAC microenvironment in a way that favors tumor progression and implicates an altered stromal response as one of the underlying mechanisms.


Asunto(s)
Carcinoma Ductal Pancreático , Neoplasias Pancreáticas , Ratones , Animales , Proteína Desacopladora 2/genética , Proteína Desacopladora 2/metabolismo , Ratones Endogámicos C57BL , Neoplasias Pancreáticas/patología , Carcinoma Ductal Pancreático/genética , Carcinoma Ductal Pancreático/patología , Ratones Noqueados , Microambiente Tumoral , Neoplasias Pancreáticas
14.
Cell Mol Neurobiol ; 43(4): 1413-1424, 2023 May.
Artículo en Inglés | MEDLINE | ID: mdl-35953740

RESUMEN

The most important predictors for outcomes after ischemic stroke, that is, for health deterioration and death, are chronological age and stroke severity; gender, genetics and lifestyle/environmental factors also play a role. Of all these, only the latter can be influenced after the event. Recurrent stroke may be prevented by antiaggregant/anticoagulant therapy, angioplasty of high-grade stenoses, and treatment of cardiovascular risk factors. Blood cell composition and protein biomarkers such as C-reactive protein or interleukins in serum are frequently considered as biomarkers of outcome. Here we aim to provide an up-to-date protein biomarker signature that allows a maximum of mechanistic understanding, to predict health deterioration following stroke. We thus surveyed protein biomarkers that were reported to be predictive for outcome after ischemic stroke, specifically considering biomarkers that predict long-term outcome (≥ 3 months) and that are measured over the first days following the event. We classified the protein biomarkers as immune­inflammatory, coagulation-related, and adhesion-related biomarkers. Some of these biomarkers are closely related to cellular senescence and, in particular, to the inflammatory processes that can be triggered by senescent cells. Moreover, the processes that underlie inflammation, hypercoagulation and cellular senescence connect stroke to cancer, and biomarkers of cancer-associated thromboembolism, as well as of sarcopenia, overlap strongly with the biomarkers discussed here. Finally, we demonstrate that most of the outcome-predicting protein biomarkers form a close-meshed functional interaction network, suggesting that the outcome after stroke is partially determined by an interplay of molecular processes relating to inflammation, coagulation, cell adhesion and cellular senescence.


Asunto(s)
Isquemia Encefálica , Accidente Cerebrovascular Isquémico , Neoplasias , Accidente Cerebrovascular , Humanos , Inflamación , Biomarcadores/metabolismo
15.
N Engl J Med ; 387(22): 2045-2055, 2022 12 01.
Artículo en Inglés | MEDLINE | ID: mdl-36449420

RESUMEN

BACKGROUND: Iron content is increased in the substantia nigra of persons with Parkinson's disease and may contribute to the pathophysiology of the disorder. Early research suggests that the iron chelator deferiprone can reduce nigrostriatal iron content in persons with Parkinson's disease, but its effects on disease progression are unclear. METHODS: We conducted a multicenter, phase 2, randomized, double-blind trial involving participants with newly diagnosed Parkinson's disease who had never received levodopa. Participants were assigned (in a 1:1 ratio) to receive oral deferiprone at a dose of 15 mg per kilogram of body weight twice daily or matched placebo for 36 weeks. Dopaminergic therapy was withheld unless deemed necessary for symptom control. The primary outcome was the change in the total score on the Movement Disorder Society-sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS; range, 0 to 260, with higher scores indicating more severe impairment) at 36 weeks. Secondary and exploratory clinical outcomes at up to 40 weeks included measures of motor and nonmotor disability. Brain iron content measured with the use of magnetic resonance imaging was also an exploratory outcome. RESULTS: A total of 372 participants were enrolled; 186 were assigned to receive deferiprone and 186 to receive placebo. Progression of symptoms led to the initiation of dopaminergic therapy in 22.0% of the participants in the deferiprone group and 2.7% of those in the placebo group. The mean MDS-UPDRS total score at baseline was 34.3 in the deferiprone group and 33.2 in the placebo group and increased (worsened) by 15.6 points and 6.3 points, respectively (difference, 9.3 points; 95% confidence interval, 6.3 to 12.2; P<0.001). Nigrostriatal iron content decreased more in the deferiprone group than in the placebo group. The main serious adverse events with deferiprone were agranulocytosis in 2 participants and neutropenia in 3 participants. CONCLUSIONS: In participants with early Parkinson's disease who had never received levodopa and in whom treatment with dopaminergic medications was not planned, deferiprone was associated with worse scores in measures of parkinsonism than those with placebo over a period of 36 weeks. (Funded by the European Union Horizon 2020 program; FAIRPARK-II ClinicalTrials.gov number, NCT02655315.).


Asunto(s)
Antiparkinsonianos , Deferiprona , Quelantes del Hierro , Hierro , Enfermedad de Parkinson , Sustancia Negra , Humanos , Deferiprona/administración & dosificación , Deferiprona/efectos adversos , Deferiprona/farmacología , Deferiprona/uso terapéutico , Hierro/análisis , Hierro/metabolismo , Levodopa/uso terapéutico , Neutropenia/inducido químicamente , Enfermedad de Parkinson/tratamiento farmacológico , Enfermedad de Parkinson/metabolismo , Enfermedad de Parkinson/fisiopatología , Quelantes del Hierro/administración & dosificación , Quelantes del Hierro/efectos adversos , Quelantes del Hierro/farmacología , Quelantes del Hierro/uso terapéutico , Sustancia Negra/química , Sustancia Negra/diagnóstico por imagen , Sustancia Negra/efectos de los fármacos , Sustancia Negra/metabolismo , Progresión de la Enfermedad , Método Doble Ciego , Administración Oral , Encéfalo/diagnóstico por imagen , Química Encefálica , Dopaminérgicos/administración & dosificación , Dopaminérgicos/efectos adversos , Dopaminérgicos/farmacología , Dopaminérgicos/uso terapéutico , Antiparkinsonianos/administración & dosificación , Antiparkinsonianos/efectos adversos , Antiparkinsonianos/farmacología , Antiparkinsonianos/uso terapéutico
16.
PLoS One ; 17(11): e0277316, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-36395116

RESUMEN

OBJECTIVES: The pathogenesis of fibromyalgia syndrome (FMS) is unclear. Transcranial ultrasonography revealed anechoic alteration of midbrain raphe in depression and anxiety disorders, suggesting affection of the central serotonergic system. Here, we assessed midbrain raphe echogenicity in FMS. METHODS: Sixty-six patients underwent transcranial sonography, of whom 53 were patients with FMS (27 women, 26 men), 13 patients with major depression and physical pain (all women), and 14 healthy controls (11 women, 3 men). Raphe echogenicity was graded visually as normal or hypoechogenic, and quantified by digitized image analysis, each by investigators blinded to the clinical diagnosis. RESULTS: Quantitative midbrain raphe echogenicity was lower in patients with FMS compared to healthy controls (p<0.05), but not different from that of patients with depression and accompanying physical pain. Pain and FMS symptom burden did not correlate with midbrain raphe echogenicity as well as the presence and severity of depressive symptoms. CONCLUSION: We found reduced echogenicity of the midbrain raphe area in patients with FMS and in patients with depression and physical pain, independent of the presence or severity of pain, FMS, and depressive symptoms. Further exploration of this sonographic finding is necessary before this objective technique may enter diagnostic algorithms in FMS and depression.


Asunto(s)
Fibromialgia , Núcleos del Rafe Mesencefálico , Masculino , Humanos , Femenino , Fibromialgia/diagnóstico por imagen , Fibromialgia/complicaciones , Núcleos del Rafe , Ultrasonografía , Dolor/diagnóstico por imagen , Dolor/complicaciones
19.
Clin Neurol Neurosurg ; 220: 107333, 2022 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-35816824

RESUMEN

OBJECTIVES: This study aimed to investigate the accuracy of TCS combined with the Sniffin' sticks olfactory test (SST-16) for differentiation between idiopathic PD patients and healthy controls compared to that of 99 mTc-TRODAT-1 SPECT (TRODAT). METHODS: A cross-sectional study included PD patients diagnosed in accordance with United Kingdom PD Society Brain Bank criteria and a control group of age and sex- matched healthy subjects. All patients were examined by a movement disorder specialist and underwent brain SPECT using TRODAT, TCS examination and SST-16 test. Receiver Operating Characteristic (ROC) curves were used to calculate cut-off points for TCS, striatal TRODAT binding potentials and SST-16. The area under the ROC curve determined the diagnostic accuracy of the method. RESULTS: Twenty patients with PD (13 males and 7 females) and nine healthy subjects were included. Median age of PD onset was 56.5 years with median disease duration of 5 years. A larger substantia nigra (SN) echogenic area was observed in the PD group (p = 0.013). SN echogenic area cut-off point of 0.22 cm2 was obtained from a ROC curve for PD diagnosis. Considering this cut-off point, TCS diagnostic accuracy was estimated at 79.2% for PD diagnosis. The cut-off value of 0.90 for striatal TRODAT binding was associated with 99% diagnostic accuracy for the diagnosis of PD. SST-16 values equal or less than 9 points showed an 85.8% diagnostic accuracy for PD diagnosis. Combination of both SST-16 and TCS improved the diagnostic accuracy to 95% for PD diagnosis. CONCLUSION: Combined SST-16 and TCS assessment was indicated as accurate for distinguishing PD patients from healthy controls. The diagnostic accuracy of TCS combined with SST-16 for differentiation between idiopathic PD patients and healthy controls is similar to that of SPECT TRODAT.


Asunto(s)
Enfermedad de Parkinson , Encéfalo/diagnóstico por imagen , Estudios Transversales , Femenino , Humanos , Masculino , Persona de Mediana Edad , Enfermedad de Parkinson/diagnóstico por imagen , Tomografía Computarizada de Emisión de Fotón Único/métodos , Ultrasonografía Doppler Transcraneal/métodos
20.
Diagnostics (Basel) ; 12(6)2022 Jun 02.
Artículo en Inglés | MEDLINE | ID: mdl-35741188

RESUMEN

Qualitative assessment by the Heckmatt scale (HS) and quantitative greyscale analysis of muscle echogenicity were compared for their value in detecting intensive care unit-acquired weakness (ICU-AW). We performed muscle ultrasound (MUS) of eight skeletal muscles on day 3 and day 10 after ICU admission. We calculated the global mean greyscale score (MGS), the global mean z-score (MZS) and the global mean Heckmatt score (MHS). Longitudinal outcome was defined by the modified Rankin scale (mRS) and Barthel index (BI) after 100 days. In total, 652 ultrasound pictures from 38 critically ill patients (18 with and 20 without ICU-AW) and 10 controls were analyzed. Patients with ICU-AW had a higher MHS on day 10 compared to patients without ICU-AW (2.6 (0.4) vs. 2.2 (0.4), p = 0.006). The MHS was superior to ROC analysis (cut-off: 2.2, AUC: 0.79, p = 0.003, sensitivity 86%, specificity 60%) in detecting ICU-AW compared to MGS and MZS on day 10. The MHS correlated with the Medical Research Council sum score (MRC-SS) (r = -0.45, p = 0.004), the mRS (r = 0.45; p = 0.007) and BI (r = -0.38, p = 0.04) on day 100. Qualitative MUS analysis seems superior to quantitative greyscale analysis of muscle echogenicity for the detection of ICU-AW.

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