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Read, Jennifer L.; Whittaker, Roger G.; Miller, Nick; Clark, Sue; Taylor, Robert; McFarland, Robert; Turnbull, Douglass – International Journal of Language & Communication Disorders, 2012
Background: Mutations of mitochondrial DNA (mtDNA) cause a broad spectrum of clinical phenotypes. Anecdotal evidence suggests that voice and swallow problems are a common feature of these diseases. Aims: To characterize accurately the prevalence and severity of voice and swallow problems in a large cohort of patients with mitochondrial disease.…
Descriptors: Diseases, Incidence, Severity (of Disability), Voice Disorders
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Verity, Christopher M.; Winstone, Anne Marie; Stellitano, Lesley; Krishnakumar, Deepa; Will, Robert; McFarland, Robert – Developmental Medicine & Child Neurology, 2010
Aim: Our aim was to study the clinical presentation, mode of diagnosis, and epidemiology of mitochondrial disorders in children from the UK who have progressive intellectual and neurological deterioration (PIND). Method: Since April 1997, we have identified patients aged 16 years or younger with suspected PIND through the monthly notification card…
Descriptors: Seizures, Child Health, Epidemiology, Patients