[Contribution of functional respiratory exploration to the etiological study of spontaneous pneumothorax (author's transl)]. 1979

P Pasquis, and P Denis, and M F Hellot, and G Nouvet, and R Lefrançois

In order to specify the etiology of primary spontaneous pneumothorax, lung function studies were performed on 14 patients after one pneumothorax without any set. All the patients showed at least one disturbance. 4 patients revealed a decrease of maximal expiratory flow, a decrease of lung recoil, a hyperinflation and a reduction of lung transfer factor. In 6 other patients decrease of elasticity, hyperinflation and decrease of transfer factor were observed, but maximal expiratory flow was normal. One patient showed an obstructive syndrome. It is difficult indeed to connect physiological findings and anatomy, but these disturbances are often observed in lung dystrophy. Perhaps, these disturbances are in connexion with the proximity of accident; so, a long term study is required in order to know the etiopathogeny of this disease.

UI MeSH Term Description Entries
D008170 Lung Compliance The capability of the LUNGS to distend under pressure as measured by pulmonary volume change per unit pressure change. While not a complete description of the pressure-volume properties of the lung, it is nevertheless useful in practice as a measure of the comparative stiffness of the lung. (From Best & Taylor's Physiological Basis of Medical Practice, 12th ed, p562) Compliance, Lung,Compliances, Lung,Lung Compliances
D008448 Maximal Expiratory Flow Rate The airflow rate measured during the first liter expired after the first 200 ml have been exhausted during a FORCED VITAL CAPACITY determination. Common abbreviations are MEFR, FEF 200-1200, and FEF 0.2-1.2. Forced Expiratory Flow 0.2-1.2,Forced Expiratory Flow 200-1200,Flow Rate, Maximal Expiratory,MEFR,Forced Expiratory Flow 0.2 1.2,Forced Expiratory Flow 200 1200
D010100 Oxygen An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. Dioxygen,Oxygen-16,Oxygen 16
D011030 Pneumothorax An accumulation of air or gas in the PLEURAL CAVITY, which may occur spontaneously or as a result of trauma or a pathological process. The gas may also be introduced deliberately during PNEUMOTHORAX, ARTIFICIAL. Pneumothorax, Primary Spontaneous,Pressure Pneumothorax,Primary Spontaneous Pneumothorax,Spontaneous Pneumothorax,Tension Pneumothorax,Pneumothorax, Pressure,Pneumothorax, Spontaneous,Pneumothorax, Tension,Spontaneous Pneumothorax, Primary
D012120 Respiration Disorders Diseases of the respiratory system in general or unspecified or for a specific respiratory disease not available. Disorder, Respiration,Disorders, Respiration,Respiration Disorder
D012129 Respiratory Function Tests Measurement of the various processes involved in the act of respiration: inspiration, expiration, oxygen and carbon dioxide exchange, lung volume and compliance, etc. Lung Function Tests,Pulmonary Function Tests,Function Test, Pulmonary,Function Tests, Pulmonary,Pulmonary Function Test,Test, Pulmonary Function,Tests, Pulmonary Function,Function Test, Lung,Function Test, Respiratory,Function Tests, Lung,Function Tests, Respiratory,Lung Function Test,Respiratory Function Test,Test, Lung Function,Test, Respiratory Function,Tests, Lung Function,Tests, Respiratory Function
D002245 Carbon Dioxide A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals. Carbonic Anhydride,Anhydride, Carbonic,Dioxide, Carbon
D005652 Functional Residual Capacity The volume of air remaining in the LUNGS at the end of a normal, quiet expiration. It is the sum of the RESIDUAL VOLUME and the EXPIRATORY RESERVE VOLUME. Common abbreviation is FRC. Capacities, Functional Residual,Capacity, Functional Residual,Functional Residual Capacities,Residual Capacities, Functional,Residual Capacity, Functional
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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