In order to gain a better understanding of maximal oxygen uptake in patients with chronic airflow obstruction, we compared the results of three different cyclo-ergospirometric protocols: progressive (30 W/3 min), constant and trapezoidal (10 min of 40 W + 30 W/3 min), in 26 male chronic bronchitis from 30 to 65 years of age.
Eleven normal subjects of similar ages served as a control …
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Oxygen uptake at maximal exercises in chronic airflow obstruction.
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Tissue respiration in chronic bronchitis.
Altogether 445 patients with chronic bronchitis were under observation.
Changes in tissue respiration were monitored by shifts in the concentration of pyruvic and lactic acids, LDH and cytochrome c oxidase activity and changes in the concentration of indices of the thiol spectrum. The results obtained showed that chronic bronchitis during exacerbation was characterized … |
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