Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power

ISSN:
1432-1254
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geography
Physics
Notes:
Abstract Metabolic, body temperature, and cardiorespiratory responses of 16 healthy middle-aged (40–57 years) men, 9 nonsmokers and 7 smokers, were obtained during tests of maximal aerobic power at ambient environmental temperatures of 25 ± 0.5 and 35 ± 0.5°C and 20% relative humidity under four conditions: (a) filtered air, FA; (b) 50 ppm carbon monoxide in filtered air, CO; (c) 0.27 ppm peroxyacetylnitrate in filtered air, PAN; and (d) a combination of all three mixtures, PANCO. There was no significant change in maximum aerobic power $$\left( {\dot VO2max} \right)$$ related to the presence of air pollutants, although total working time was lowered in the 25°C environment while breathing CO. Older nonsmokers did have a decrement in $$\left( {\dot VO2max} \right)$$ while breathing 50 ppm CO, while older smokers failed to show any change. This difference was related to the initial COHb levels of the smokers, who, when breathing this level of ambient CO, had only a 14% increase in COHb over their initial levels in contrast to the 200% increase in the nonsmokers. Smoking habits were the most influential factor affecting the cardiorespiratory responses of these older men to maximal exercise. Regardless of ambient conditions, smokers had a significantly lower (27%) aerobic power than nonsmokers, were breathing closer to their maximal breathing capacities throughout the walk, and had a higher respiratory exchange ratio. While the $$\left( {\dot VO2max} \right)$$ of nonsmokers was only 6% less than that of younger nonsmoking males ( $$\bar x$$ age = 25 years) working under similar conditions, the aerobic power of the older smokers was 26% lower than that of young smokers ( $$\bar x$$ age = 24 years).
Type of Medium:
Electronic Resource
URL:
_version_ 1798295644196044803
autor Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
autorsonst Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
book_url http://dx.doi.org/10.1007/BF01453936
datenlieferant nat_lic_papers
hauptsatz hsatz_simple
identnr NLM205985610
issn 1432-1254
journal_name International journal of biometeorology
materialart 1
notes Abstract Metabolic, body temperature, and cardiorespiratory responses of 16 healthy middle-aged (40–57 years) men, 9 nonsmokers and 7 smokers, were obtained during tests of maximal aerobic power at ambient environmental temperatures of 25 ± 0.5 and 35 ± 0.5°C and 20% relative humidity under four conditions: (a) filtered air, FA; (b) 50 ppm carbon monoxide in filtered air, CO; (c) 0.27 ppm peroxyacetylnitrate in filtered air, PAN; and (d) a combination of all three mixtures, PANCO. There was no significant change in maximum aerobic power $$\left( {\dot VO2max} \right)$$ related to the presence of air pollutants, although total working time was lowered in the 25°C environment while breathing CO. Older nonsmokers did have a decrement in $$\left( {\dot VO2max} \right)$$ while breathing 50 ppm CO, while older smokers failed to show any change. This difference was related to the initial COHb levels of the smokers, who, when breathing this level of ambient CO, had only a 14% increase in COHb over their initial levels in contrast to the 200% increase in the nonsmokers. Smoking habits were the most influential factor affecting the cardiorespiratory responses of these older men to maximal exercise. Regardless of ambient conditions, smokers had a significantly lower (27%) aerobic power than nonsmokers, were breathing closer to their maximal breathing capacities throughout the walk, and had a higher respiratory exchange ratio. While the $$\left( {\dot VO2max} \right)$$ of nonsmokers was only 6% less than that of younger nonsmoking males ( $$\bar x$$ age = 25 years) working under similar conditions, the aerobic power of the older smokers was 26% lower than that of young smokers ( $$\bar x$$ age = 24 years).
package_name Springer
publikationsjahr_anzeige 1974
publikationsjahr_facette 1974
publikationsjahr_intervall 8029:1970-1974
publikationsjahr_sort 1974
publisher Springer
reference 18 (1974), S. 222-232
search_space articles
shingle_author_1 Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
shingle_author_2 Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
shingle_author_3 Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
shingle_author_4 Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
shingle_catch_all_1 Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
Abstract Metabolic, body temperature, and cardiorespiratory responses of 16 healthy middle-aged (40–57 years) men, 9 nonsmokers and 7 smokers, were obtained during tests of maximal aerobic power at ambient environmental temperatures of 25 ± 0.5 and 35 ± 0.5°C and 20% relative humidity under four conditions: (a) filtered air, FA; (b) 50 ppm carbon monoxide in filtered air, CO; (c) 0.27 ppm peroxyacetylnitrate in filtered air, PAN; and (d) a combination of all three mixtures, PANCO. There was no significant change in maximum aerobic power $$\left( {\dot VO2max} \right)$$ related to the presence of air pollutants, although total working time was lowered in the 25°C environment while breathing CO. Older nonsmokers did have a decrement in $$\left( {\dot VO2max} \right)$$ while breathing 50 ppm CO, while older smokers failed to show any change. This difference was related to the initial COHb levels of the smokers, who, when breathing this level of ambient CO, had only a 14% increase in COHb over their initial levels in contrast to the 200% increase in the nonsmokers. Smoking habits were the most influential factor affecting the cardiorespiratory responses of these older men to maximal exercise. Regardless of ambient conditions, smokers had a significantly lower (27%) aerobic power than nonsmokers, were breathing closer to their maximal breathing capacities throughout the walk, and had a higher respiratory exchange ratio. While the $$\left( {\dot VO2max} \right)$$ of nonsmokers was only 6% less than that of younger nonsmoking males ( $$\bar x$$ age = 25 years) working under similar conditions, the aerobic power of the older smokers was 26% lower than that of young smokers ( $$\bar x$$ age = 24 years).
1432-1254
14321254
Springer
shingle_catch_all_2 Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
Abstract Metabolic, body temperature, and cardiorespiratory responses of 16 healthy middle-aged (40–57 years) men, 9 nonsmokers and 7 smokers, were obtained during tests of maximal aerobic power at ambient environmental temperatures of 25 ± 0.5 and 35 ± 0.5°C and 20% relative humidity under four conditions: (a) filtered air, FA; (b) 50 ppm carbon monoxide in filtered air, CO; (c) 0.27 ppm peroxyacetylnitrate in filtered air, PAN; and (d) a combination of all three mixtures, PANCO. There was no significant change in maximum aerobic power $$\left( {\dot VO2max} \right)$$ related to the presence of air pollutants, although total working time was lowered in the 25°C environment while breathing CO. Older nonsmokers did have a decrement in $$\left( {\dot VO2max} \right)$$ while breathing 50 ppm CO, while older smokers failed to show any change. This difference was related to the initial COHb levels of the smokers, who, when breathing this level of ambient CO, had only a 14% increase in COHb over their initial levels in contrast to the 200% increase in the nonsmokers. Smoking habits were the most influential factor affecting the cardiorespiratory responses of these older men to maximal exercise. Regardless of ambient conditions, smokers had a significantly lower (27%) aerobic power than nonsmokers, were breathing closer to their maximal breathing capacities throughout the walk, and had a higher respiratory exchange ratio. While the $$\left( {\dot VO2max} \right)$$ of nonsmokers was only 6% less than that of younger nonsmoking males ( $$\bar x$$ age = 25 years) working under similar conditions, the aerobic power of the older smokers was 26% lower than that of young smokers ( $$\bar x$$ age = 24 years).
1432-1254
14321254
Springer
shingle_catch_all_3 Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
Abstract Metabolic, body temperature, and cardiorespiratory responses of 16 healthy middle-aged (40–57 years) men, 9 nonsmokers and 7 smokers, were obtained during tests of maximal aerobic power at ambient environmental temperatures of 25 ± 0.5 and 35 ± 0.5°C and 20% relative humidity under four conditions: (a) filtered air, FA; (b) 50 ppm carbon monoxide in filtered air, CO; (c) 0.27 ppm peroxyacetylnitrate in filtered air, PAN; and (d) a combination of all three mixtures, PANCO. There was no significant change in maximum aerobic power $$\left( {\dot VO2max} \right)$$ related to the presence of air pollutants, although total working time was lowered in the 25°C environment while breathing CO. Older nonsmokers did have a decrement in $$\left( {\dot VO2max} \right)$$ while breathing 50 ppm CO, while older smokers failed to show any change. This difference was related to the initial COHb levels of the smokers, who, when breathing this level of ambient CO, had only a 14% increase in COHb over their initial levels in contrast to the 200% increase in the nonsmokers. Smoking habits were the most influential factor affecting the cardiorespiratory responses of these older men to maximal exercise. Regardless of ambient conditions, smokers had a significantly lower (27%) aerobic power than nonsmokers, were breathing closer to their maximal breathing capacities throughout the walk, and had a higher respiratory exchange ratio. While the $$\left( {\dot VO2max} \right)$$ of nonsmokers was only 6% less than that of younger nonsmoking males ( $$\bar x$$ age = 25 years) working under similar conditions, the aerobic power of the older smokers was 26% lower than that of young smokers ( $$\bar x$$ age = 24 years).
1432-1254
14321254
Springer
shingle_catch_all_4 Raven, P. B.
Drinkwater, B. L.
Horvath, S. M.
Ruhling, R. O.
Gliner, J. A.
Sutton, J. C.
Bolduan, N. W.
Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
Abstract Metabolic, body temperature, and cardiorespiratory responses of 16 healthy middle-aged (40–57 years) men, 9 nonsmokers and 7 smokers, were obtained during tests of maximal aerobic power at ambient environmental temperatures of 25 ± 0.5 and 35 ± 0.5°C and 20% relative humidity under four conditions: (a) filtered air, FA; (b) 50 ppm carbon monoxide in filtered air, CO; (c) 0.27 ppm peroxyacetylnitrate in filtered air, PAN; and (d) a combination of all three mixtures, PANCO. There was no significant change in maximum aerobic power $$\left( {\dot VO2max} \right)$$ related to the presence of air pollutants, although total working time was lowered in the 25°C environment while breathing CO. Older nonsmokers did have a decrement in $$\left( {\dot VO2max} \right)$$ while breathing 50 ppm CO, while older smokers failed to show any change. This difference was related to the initial COHb levels of the smokers, who, when breathing this level of ambient CO, had only a 14% increase in COHb over their initial levels in contrast to the 200% increase in the nonsmokers. Smoking habits were the most influential factor affecting the cardiorespiratory responses of these older men to maximal exercise. Regardless of ambient conditions, smokers had a significantly lower (27%) aerobic power than nonsmokers, were breathing closer to their maximal breathing capacities throughout the walk, and had a higher respiratory exchange ratio. While the $$\left( {\dot VO2max} \right)$$ of nonsmokers was only 6% less than that of younger nonsmoking males ( $$\bar x$$ age = 25 years) working under similar conditions, the aerobic power of the older smokers was 26% lower than that of young smokers ( $$\bar x$$ age = 24 years).
1432-1254
14321254
Springer
shingle_title_1 Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
shingle_title_2 Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
shingle_title_3 Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
shingle_title_4 Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
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source_archive Springer Online Journal Archives 1860-2000
timestamp 2024-05-06T09:39:27.223Z
titel Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
titel_suche Age, smoking habits, heat stress, and their interactive effects with carbon monoxide and peroxyacetylnitrate on man's aerobic power
topic R
U
uid nat_lic_papers_NLM205985610