Maximal respiratory pressures: normal values and relationship to age and sex.
Leo F. Black,Robert E. Hyatt +1 more
2K
TL;DR: The normal range of values for the maximal inspiratory and expiratory pressures in males and females from 20 to 74 years of age was determined and there was no significant regression of Pi max or Pe max with age in subjects younger than 55 years.
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Abstract: A method for determining maximal respiratory pressures is described. The test was easy to perform; reproducible results were obtained, and no complications were encountered in the 120 subjects studied. The normal range of values for the maximal inspiratory (Pi max) and expiratory (Pe max) pressures in males and females from 20 to 74 years of age was determined. There was no significant regression of Pi max or Pe max with age in subjects younger than 55 years. In subjects older than 55, Pe max in males and females and Pi max in females decreased with age. The application of the method is illustrated by the results obtained in 2 patients with neuromuscular disease.
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Citations
Respiratory muscle strength: Effects on functional capacity, quality of life and fatigue in women with multiple sclerosis -
Ayla Balkan,Yeliz Salci +1 more
TL;DR: There were significant correlations between MIP and functional capacity, change in health, social function, sexual function and satisfaction sub-parameters of MSQoL-54 and no relation was found between respiratory muscle strength and fatigue.
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•Journal Article
Respiratory muscle strength explained by age and weight in female and male.
TL;DR: MIP decreased at ages beyond 60 years but age had no effect on MEP in both sexes, and MIP was correlated with age, weight and height in males, and with age and weight only in females; whereas, MEP was not correlated withAge, height and weight in either sex.
5
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Priscila Antonichelli de Held,Wagner de Mello,Tatiane Lopes,Patrocínio da Silva,Karina Rabelo da Silva,Valéria Amorim +5 more
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TL;DR: In this article, the authors evaluated if a program based on VMT and NBT makes it possible an improvement in the ventilatory muscle strength and in the nasal inspiratory flow of children with oral breathing syndrome.
Myasthenia Gravis: The Patient Evaluation
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TL;DR: The differences between the three classification systems for myasthenia gravis are significant, and the clinician must be alert to which system is being used when ascertaining the clinical status of patients reported in the literature.
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Control of Breathing in Duchenne's Muscular Dystrophy
M. D Luc,Bernard I. Emieux +1 more
- 01 Jan 1990
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References
Exertional dyspnea: a primary complaint in unusual cases of progressive muscular atrophy and amyotrophic lateral sclerosis.
TL;DR: Dyspnea is a symptom usually referable to disorders of the heart or lungs, but abnormalities of other systems may lead to respirato...
42
Static volume-pressure characteristics of the respiratory system during maximal efforts.
TL;DR: Maximal expiratory and inspiratory static airway pressures at different lung volumes were measured in 56 normal subjects of both sexes ranging in age from 6 to 64 years.
The pressure-volume diagram of the thorax and lung
TL;DR: In this paper data are presented concerning the positive and negative pressures which can be produced by voluntary effort, and a diagram is presented which gives a comprehensive picture of all these mechanical factors.
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