Disease impact in chronic progressive external ophthalmoplegia: more than meets the eye
SourceNeuromuscular Disorders, 21, 4, (2011), pp. 272-278
Article / Letter to editor
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SubjectDCN 2: Functional Neurogenomics; DCN 2: Functional Neurogenomics NCEBP 10: Human Movement & Fatigue; NCEBP 8: Psychological determinants of chronic illness; NCEBP 8: Psychological determinants of chronic illness
We determined the extent of disease impact in 28 patients with genetically confirmed chronic progressive external ophthalmoplegia (CPEO) and compared the outcomes to those of matched myotonic dystrophy type I patients. CPEO patients reported a high frequency of severe fatigue (67.9%), pain (96.2%), depression (32.1%) and dependency in daily life (46.4%). The frequency and extent of depression were significantly higher than in DM1 patients (32.1% vs. 7.1%, p=0.040; mean Beck's depression inventory for primary care score 3.8+/-3.5 vs. 1.3+/-1.4, p=0.001), as were fatigue severity, pain intensity and extent of functional impairments. CPEO patients with polymerase gamma-1 mutations reported more functional impairments than those with mitochondrial DNA mutations. Disease impact was however not influenced by most clinical features. The present results help physicians to identify and to treat the factors that influence quality of life in CPEO patients and to provide symptomatic treatment where needed.
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