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Article Dans Une Revue Neuropsychiatric Disease and Treatment Année : 2017

Mitochondrial multiorgan disorder syndrome score generated from definite mitochondrial disorders

Résumé

Objectives: Mitochondrial disorders (MIDs) frequently present as mitochondrial multiorgan disorder syndrome (MIMODS) at onset or evolve into MIMODS during the course. This study aimed to find which organs and/or tissues are most frequently affected by MIMODS, which are the most frequent abnormalities within an affected organ, whether there are typical MIMODS patterns, and to generate an MIMODS score to assess the diagnostic probability for an MID. Methods: This is a retrospective evaluation of clinical, biochemical, and genetic investigations of adult patients with definite MIDs. A total of 36 definite MID patients, 19 men and 17 women, aged 29-82 years were included in this study. The diagnosis was based on genetic testing (n=21), on biochemical investigations (n=17), or on both (n=2). Results: The number of organs most frequently affected was 4 ranging from 1 to 9. MIMODS was diagnosed in 97% of patients. The organs most frequently affected were the muscle (97%), central nervous system (CNS; 72%), endocrine glands (69%), heart (58%), intestines (55%), and peripheral nerves (50%). The most frequent CNS abnormalities were leukoencephalopathy, prolonged visually evoked potentials, and atrophy. The most frequent endocrine abnormalities included thyroid dysfunction, short stature, and diabetes. The most frequent cardiac abnormalities included arrhythmias, systolic dysfunction, and hypertrophic cardiomyopathy. The most frequent MIMODS patterns were encephalomyopathy, encephalo-myo-endocrinopathy, and encepalo-myo-endocrino-cardiopathy. The mean ± 2SD MIMODS score was 35.97±27.6 (range =11-71). An MIMODS score .10 was regarded as indicative of an MID. Conclusion: Adult MIDs manifest as MIMODS in the vast majority of the cases. The organs most frequently affected in MIMODS are muscles, CNS, endocrine glands, and heart. An MIMODS score .10 suggests an MID.
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pasteur-02056219 , version 1 (04-03-2019)

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Paternité - Pas d'utilisation commerciale

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Josef Finsterer, Sinda Zarrouk-Mahjoub. Mitochondrial multiorgan disorder syndrome score generated from definite mitochondrial disorders. Neuropsychiatric Disease and Treatment, 2017, Volume 13, pp.2569-2579. ⟨10.2147/NDT.S149067⟩. ⟨pasteur-02056219⟩

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