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Biomedical subjects

H Hirose

Publications and source records attributed to H Hirose.

At least 541 records · Page 30Linked to original sources
PubMed1978

Clinical observations on 600 cases of recurrent laryngeal nerve paralysis.

A statistical review was made on 600 cases of recurrent laryngeal nerve paralysis who visited the author's clinic during the last 16 years. The yearly incidence, the age and sex distributions and the classifications of the causes of paralysis were presented and discussed. A special attention was given to the topics of associated laryngeal paralysis, bilateral recurrent laryngeal nerve paralysis and the so-called epidemic paralysis. A brief comment was also made on diagnosis and treatment of recurrent laryngeal nerve paralysis in general.

Adolescent↗
PubMed1978

Analysis of abnormal articulatory dynamics in two dysarthric patients.

By means of pellet tracking techniques using an X-ray microbeam system, observations of the articulatory movements of various types of dysarthric subjects were conducted. In selected cases, electromyography (EMG) was also performed. The data were specifically examined for range, velocity, and consistency (reproducibility) of the movements of the articulators, as well as the pattern of coordination of the different articulators involved. It was found in the case of ataxic dysarthria of cerebellar origin, for example, that the dynamic patterns were best represented as a difficulty in the initiation of purposeful movements and an inconsistency of articulatory movements, particularly in the repetitive production of a monosyllable. On EMG, breakdown of the rhythmical patterns in the articulatory muscles was quite obvious in the repetition of a monosyllable. In the case of amyotrophic lateral sclerosis (ALS), decrease in the range and velocity of movements was noted. This resulted from reduced neuromuscular units (NMU) activities manifested in clinical EMG. Analysis of the dynamic aspects of the dysarthrias is a promising approach for elucidating the nature of central problems of speech production and for a differential diagnosis of various types of dysarthrias.

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