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We investigated the symptoms, course and prognosis of neuralgic amyotrophy (NA) in a large group of patients with idiopathic neuralgic amyotrophy (INA, n = 199) and hereditary neuralgic amyotrophy (HNA, n = 47) to gain more insight into the broad clinical spectrum of the disorder. Several findings from earlier smaller-scale studies were tested, and for the(More)
OBJECTIVE To develop recommendations regarding outcome measures and topics to be addressed in rehabilitation for persons with neuralgic amyotrophy (NA), this study explored which functions and activities are related to persisting pain in NA and which questionnaires best capture these factors. DESIGN A questionnaire-based survey from 2 cross-sectional(More)
In this review we provide a current overview of the clinical features, pathophysiology, epidemiology, and diagnostic and therapeutic strategies in neuralgic amyotrophy (NA). The disorder has several phenotypic variations, with a classic form in 70% of the patients. It is not rare, with an incidence of 1 per 1,000 individuals, but it is still often missed.(More)
Muscle ultrasound is a convenient technique to visualize normal and pathological muscle tissue as it is non-invasive and real-time. Neuromuscular disorders give rise to structural muscle changes that can be visualized with ultrasound: atrophy can be objectified by measuring muscle thickness, while infiltration of fat and fibrous tissue increases muscle echo(More)
BACKGROUND In autosomal dominant cerebellar ataxias (ADCAs), it is unclear whether the associated peripheral nerve involvement is always a typical length-dependent axonopathy rather than primary neuronopathy due to neuronal degeneration in the spinal anterior horns and/or dorsal root ganglia. OBJECTIVE To study the nature and extent of peripheral nerve(More)
OBJECTIVE Muscle ultrasound is capable of visualizing muscle movements. Recent improvements in ultrasound technology have raised the question whether it is also possible to detect small-scale spontaneous muscle activity such as denervation. In this study we investigated the ability of dynamic muscle ultrasound to detect fibrillations. METHODS Eight(More)
BACKGROUND Physical training might delay the functional deterioration caused by disuse in boys with Duchenne muscular dystrophy (DMD). The "No Use Is Disuse" study is the first explorative, randomized controlled trial in boys with DMD to examine whether assisted bicycle training is feasible, safe, and beneficial. METHODS Ambulatory and recently(More)
OBJECTIVE To determine whether there is an association between an acute preceding hepatitis E virus (HEV) infection and neuralgic amyotrophy (NA), and if so, whether patients with HEV-related NA differ from patients without an associated HEV infection. METHODS HEV testing was conducted in a retrospective cohort of 28 Cornish patients with NA (2011-2013)(More)
OBJECTIVE Neuralgic amyotrophy is considered a rare peripheral nervous system disorder but in practice seems grossly under recognized, which negatively affects care for these patients. In this study we prospectively counted the one-year incidence rate of classic neuralgic amyotrophy in a primary care setting. METHODS In a prospective cohort study during(More)
Responsive outcome measures are needed to follow the disease status of Duchenne muscular dystrophy (DMD) patients, as new therapeutic approaches become available for affected boys. Quantitative muscle ultrasound (QMUS) is potentially an attractive follow up tool for DMD because it reflects the severity of the dystrophic process without the need for invasive(More)