Dysphagia in Duchenne muscular dystrophy versus myotonic dystrophy type 1. 2012

George Umemoto, and Hirokazu Furuya, and Akio Kitashima, and Mitsuaki Sakai, and Hajime Arahata, and Toshihiro Kikuta
Department of Oral and Maxillofacial Surgery, Faculty of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan. george@minf.med.fukuoka-u.ac.jp

BACKGROUND In this study we aimed to demonstrate the distinctive features of dysphagia in patients with myotonic dystrophy type 1 (DM1) and Duchenne muscular dystrophy (DMD). METHODS Diet-type score (DTS) and maximum tongue pressure (MTP) were measured in 20 DM1 and 24 DMD patients; all patients were also examined by videofluoroscopy (VF). We used VF to measure the range of hyoid bone excursion (RHBE) during pharyngeal transit time and the area of pharyngeal residue (APR) after the first swallow. RESULTS RHBE and APR values for DM1 patients were significantly greater than those for DMD patients. DTS and MTP did not differ between patients. A significant correlation was observed between DTS, MTP, and RHBE in DMD patients, but not in DM1 patients. CONCLUSIONS Our findings reveal the differences in the distinctive features of dysphagia in DM1 and DMD. Adjustments in the diet of DMD patients in accordance with swallowing ability could be useful.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009223 Myotonic Dystrophy Neuromuscular disorder characterized by PROGRESSIVE MUSCULAR ATROPHY; MYOTONIA, and various multisystem atrophies. Mild INTELLECTUAL DISABILITY may also occur. Abnormal TRINUCLEOTIDE REPEAT EXPANSION in the 3' UNTRANSLATED REGIONS of DMPK PROTEIN gene is associated with Myotonic Dystrophy 1. DNA REPEAT EXPANSION of zinc finger protein-9 gene intron is associated with Myotonic Dystrophy 2. Dystrophia Myotonica,Myotonic Dystrophy, Congenital,Myotonic Myopathy, Proximal,Steinert Disease,Congenital Myotonic Dystrophy,Dystrophia Myotonica 1,Dystrophia Myotonica 2,Myotonia Atrophica,Myotonia Dystrophica,Myotonic Dystrophy 1,Myotonic Dystrophy 2,PROMM (Proximal Myotonic Myopathy),Proximal Myotonic Myopathy,Ricker Syndrome,Steinert Myotonic Dystrophy,Steinert's Disease,Atrophica, Myotonia,Atrophicas, Myotonia,Congenital Myotonic Dystrophies,Disease, Steinert,Disease, Steinert's,Dystrophia Myotonica 2s,Dystrophia Myotonicas,Dystrophica, Myotonia,Dystrophicas, Myotonia,Dystrophies, Congenital Myotonic,Dystrophies, Myotonic,Dystrophy, Congenital Myotonic,Dystrophy, Myotonic,Dystrophy, Steinert Myotonic,Myopathies, Proximal Myotonic,Myopathy, Proximal Myotonic,Myotonia Atrophicas,Myotonia Dystrophicas,Myotonic Dystrophies,Myotonic Dystrophies, Congenital,Myotonic Dystrophy, Steinert,Myotonic Myopathies, Proximal,Myotonica, Dystrophia,Myotonicas, Dystrophia,PROMMs (Proximal Myotonic Myopathy),Proximal Myotonic Myopathies,Steinerts Disease,Syndrome, Ricker
D011859 Radiography Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film). Radiology, Diagnostic X-Ray,Roentgenography,X-Ray, Diagnostic,Diagnostic X-Ray,Diagnostic X-Ray Radiology,X-Ray Radiology, Diagnostic,Diagnostic X Ray,Diagnostic X Ray Radiology,Diagnostic X-Rays,Radiology, Diagnostic X Ray,X Ray Radiology, Diagnostic,X Ray, Diagnostic,X-Rays, Diagnostic
D003680 Deglutition Disorders Difficulty in SWALLOWING which may result from neuromuscular disorder or mechanical obstruction. Dysphagia is classified into two distinct types: oropharyngeal dysphagia due to malfunction of the PHARYNX and UPPER ESOPHAGEAL SPHINCTER; and esophageal dysphagia due to malfunction of the ESOPHAGUS. Dysphagia,Swallowing Disorders,Esophageal Dysphagia,Oropharyngeal Dysphagia,Deglutition Disorder,Disorders, Deglutition,Dysphagia, Esophageal,Dysphagia, Oropharyngeal,Swallowing Disorder
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D055815 Young Adult A person between 19 and 24 years of age. Adult, Young,Adults, Young,Young Adults
D020388 Muscular Dystrophy, Duchenne An X-linked recessive muscle disease caused by an inability to synthesize DYSTROPHIN, which is involved with maintaining the integrity of the sarcolemma. Muscle fibers undergo a process that features degeneration and regeneration. Clinical manifestations include proximal weakness in the first few years of life, pseudohypertrophy, cardiomyopathy (see MYOCARDIAL DISEASES), and an increased incidence of impaired mentation. Becker muscular dystrophy is a closely related condition featuring a later onset of disease (usually adolescence) and a slowly progressive course. (Adams et al., Principles of Neurology, 6th ed, p1415) Becker Muscular Dystrophy,Duchenne Muscular Dystrophy,Muscular Dystrophy, Becker,Muscular Dystrophy, Pseudohypertrophic,Becker's Muscular Dystrophy,Cardiomyopathy, Dilated, 3B,Cardiomyopathy, Dilated, X-Linked,Childhood Muscular Dystrophy, Pseudohypertrophic,Childhood Pseudohypertrophic Muscular Dystrophy,Duchenne and Becker Muscular Dystrophy,Duchenne-Becker Muscular Dystrophy,Duchenne-Type Progressive Muscular Dystrophy,Muscular Dystrophy Pseudohypertrophic Progressive, Becker Type,Muscular Dystrophy, Becker Type,Muscular Dystrophy, Childhood, Pseudohypertrophic,Muscular Dystrophy, Duchenne Type,Muscular Dystrophy, Duchenne and Becker Types,Muscular Dystrophy, Pseudohypertrophic Progressive, Becker Type,Muscular Dystrophy, Pseudohypertrophic Progressive, Duchenne Type,Muscular Dystrophy, Pseudohypertrophic, Childhood,Progressive Muscular Dystrophy, Duchenne Type,Pseudohypertrophic Childhood Muscular Dystrophy,Pseudohypertrophic Muscular Dystrophy, Childhood,Duchenne Becker Muscular Dystrophy,Duchenne Type Progressive Muscular Dystrophy,Muscular Dystrophy, Becker's,Muscular Dystrophy, Duchenne-Becker,Pseudohypertrophic Muscular Dystrophy

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