Browse Items (99 total)

We reviewed 10 patients (5 males, 5 females) with mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes. The age of symptom onset ranged from 3 months to 12 years. All had lactic acidosis, multiple stroke-like events with…

MELAS (mitochondrial encephalopathy with lactic acidosis and stroke-like episodes) is a maternally inherited disorder characterized by recurrent cerebral infarctions that do not conform to discreet vascular territories. Here we report on a patient…

OBJECTIVE: Juvenile GM2 gangliosidosis is a group of inherited neurodegenerative diseases caused by deficiency of lysosomal beta-hexosaminidase resulting in GM2 ganglioside accumulation in brain. The purpose of this study was to delineate the natural…

A 15-month-old female child presented with sudden onset cough and hyperventilation along with evidence of metabolic acidosis. She had past history of recurrent vomiting, episodes of abnormal posturing, difficulty in deglutition and regression of…

OBJECTIVE: A high prevalence of sleep disorders is reported in patients affected by Mucopolysaccharidosis III (Sanfilippo syndrome). These disorders have never been investigated by prolonged, objective, and instrumental evaluations. The present work…

OBJECTIVE: To describe the disease course and natural history of Type A Niemann-Pick disease (NPD). METHODS: Ten patients with NPD-A (six male, four female; age range at entry: 3 to 6 months) were serially evaluated including clinical neurologic,…

BACKGROUND: Sleep-disordered breathing (SDB) and respiratory failure (RF) are complications of acid maltase deficiency (AMD), a rare hereditary myopathy. OBJECTIVE: To define the relationship between lung and respiratory muscle function, to establish…

OBJECTIVE: Mucopolysaccharidosis types IIIA through IIID (Sanfilippo syndrome) are caused by deficiencies of enzymes involved in the degradation of heparan sulfate. The onset and severity of the disease are highly variable. The purpose of this study…

OBJECTIVE: Congenital disorders of glycosylation (CDG), formerly called carbohydrate-deficient glycoprotein syndromes, constitute a newly identified group of multisystem disorders characterized by defective glycosylation of N-glycosylated proteins.…

OBJECTIVE: To obtain feedback from families of children receiving palliative and supportive care about their care needs in hospital and in community settings. DESIGN: A two-phase combined quantitative and qualitative study. SETTING: Western…

To describe the clinical and neurophysiological spectrum and prognosis in a large cohort of biochemically and genetically proven late onset Pompe patients. Thirty-eight diagnosed with late onset Pompe disease at our neuromuscular department during…

Alpers disease consists of diffuse cerebral degeneration manifested as developmental delay, seizures, vomiting, and progressive neuromuscular deterioration, with liver disease and death. We report the clinical course of the liver disease, histologic…

Mucolipidosis IV is a lysosomal storage disease characterized by prominent involvement of the corneal epithelium. A 5-year-old boy with mucolipidosis IV experienced recurrent episodes of severe ocular pain, tearing, and ipsilateral facial flushing.…

We documented seizures in 33 of 68 (48.5%) children with congenital hydrocephalus not associated with myelomeningocele. Mental retardation (MR) and CNS malformations correlated with seizure occurrence; age at shunt insertion and number of shunt…

The aim of this study was to investigate how parents cope with and care for a child with Dravet syndrome, a severe myoclonic epilepsy with three distinct stages. Twenty-four parents of children with Dravet syndrome participated in a semi-structured…

OBJECTIVES: To document the clinical and neurodevelopmental profiles of a cohort of patients with neonatal-onset propionic acidemia and to determine the efficacy of current therapy with respect to outcome. METHOD: The clinical, neurologic, and…

OBJECTIVE: To investigate cardiac function in patients with mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) and clarify the clinical features of cardiomyopathy in MELAS. PATIENTS: 11 consecutive patients with MELAS…

We describe a male infant of Austrian ancestry, the main clinical features including attacks of dyspnea due to laryngomalacia, severe mental and motor retardation, pronounced splenohepatomegaly and vacuolisation of peripheral lymphocytes. The…

A 14-year-old girl with the mitochondrial neurogastrointestinal encephalopathy syndrome had an 8-year history of intestinal pseudoobstruction with abdominal pain, persistent vomiting, gastric and duodenal dilatation, and duodenal diverticulosis. The…

Mitochondrial diseases affect all age groups, but those with childhood onset often seem to experience the greatest burden of disability. In some paediatric patients this can be explained by a cumulative disability acquired over many years. In others,…

BACKGROUND: Despite advances in neuroimaging and molecular genetics of holoprosencephaly (HPE), the clinical spectrum of HPE has remained inadequately described. OBJECTIVE: To better characterize the clinical features of HPE and identify specific…

BACKGROUND: Fabry disease is a rare X-linked disorder caused by deficient activity of the enzyme alpha-galactosidase A. This produces progressive lysosomal accumulation of globotriaosylceramide throughout the body, leading to organ failure and…

PURPOSE: To describe the outcome of ophthalmologic examination of 10 Norwegian children with ataxia-telangiectasia (AT) followed through 5 years. METHODS: Ten Norwegian patients with AT aged 2-22 years (three females, seven males) were examined. The…

We report two siblings with a mitochondrial respiratory chain defect who presented with progressive bulbar paralysis of childhood (Fazio-Londe disease). Mitochondrial respiratory chain defects should be considered in differential diagnosis of this…

The study aim was to quantify melatonin-associated improvement in sleep by means of a parent-completed sleep diary during routine outpatient activity. An investigation into sleep disturbance was made at neurology outpatient appointments. Those…

Mucopolysaccharidosis IIIC (MPS IIIC, Sanfilippo C syndrome) is a lysosomal storage disorder caused by deficiency of the lysosomal enzyme acetyl-CoA:alpha-glucosaminide N-acetyltransferase (HGSNAT). We performed a clinical study on 29 Dutch MPS IIIC…

A 7 1/2-yr-old girl suffered, since early infancy, severe recurrent myalgia during periodic attacks of fever, vomiting and pharyngitis. Neither myoglobinuria nor exercise-induced muscle pain was present. She was found to have carnitine…
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