Erratum to: The clinical and genetic characteristics in children with mitochondrial disease in China

Fang, Fang; Liu, Zhimei; Fang, Hezhi; Wu, Jing; Shen, Danmin; Sun, Suzhen; Ding, Changhong; Tong, Haizhou; Wu, Yun; Lv, Jialin; Yang, Lei; Li, Shufang; Lv, Jianxin; Shen, Ying

doi:10.1007/s11427-017-9130-4

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“…The level of mitochondrial mutations in muscle tissue cells can reflect cochlear mitochondrial function [ 38 , 39 ]. The diversity of clinical phenotypes and degrees is associated with mtDNA heterozygosity, and further study of the hearing loss characteristics of MEM would be of value for early detection and monitoring of the disease [ 40 ].…”

Section: Discussionmentioning

confidence: 99%

ENT characteristics and therapeutic results in multisystemic disorders of mitochondrial encephalomyopathy

et al. 2022

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Here we report the evaluation of the frequency of subjective and objective otolaryngologic findings and therapeutic results in 32 patients with mitochondrial encephalomyopathy (MEM) from September 2001 to June 2021. Our analysis included studying the patients’ family histories, the clinical manifestations of MEM, and the therapeutic effects of treatments. The patients’ ages ranged from 2 to 77 years, with a median age of 12.3 years. We found that MEM ENT symptoms were characterized by hearing loss, dysphagia, and facial weakness. Most cases of sensorineural hearing loss were bilateral symmetrical progressive or sudden deafness since adolescence, which were often underestimated. Associated neuromuscular symptoms required mtDNA testing. Dysphagia and facial weakness occurred preferentially in middle-aged patients, and muscle biopsies were advised. Distortion product otoacoustic emissions and auditory brainstem responsetesting were more sensitive and reliable than pure tone averages for objective monitoring of pathogenesis. Administration of the mitochondrial synthase complex benefited patients with acute episodes. If patients did not fully recover and exhibitedresidual language deficits, hearing aids or cochlear implants were recommended. Counsel was given regarding synthetical treatments for facial weakness, endoscopic circopharyngealmyotomy for dysphagia, and surgical correction of ptosis. This study demonstrates that increased awareness of these symptoms is important to address appropriate interventions and avoid complications such as ablepsia, aphasia, social isolation, malnutrition, aspiration pneumonia, and heart failure in the setting of MEM.

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Section: Discussionmentioning

confidence: 99%