Can Ionisers in Bedrooms Help Asthmatics?
The purpose of this double-blind, randomised, placebo-controlled cross-over study was to evaluate whether corona ionisers placed in bedrooms could improve nocturnal asthma and other symptoms in asthmatics which might be related to the indoor climate. Active or inactive (placebo) ionisers were placed...
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| Veröffentlicht in: | Indoor + built environment 1997-03, Vol.6 (3), p.174-178 |
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| container_title | Indoor + built environment |
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| creator | Johnsen, C.R. Mosbech, H. Heinig, J.H. |
| description | The purpose of this double-blind, randomised, placebo-controlled cross-over
study was to evaluate whether corona ionisers placed in bedrooms could
improve nocturnal asthma and other symptoms in asthmatics which might be
related to the indoor climate. Active or inactive (placebo) ionisers were placed
in the bedrooms of 15 patients for two subsequent 4-week periods. The
patients recorded daily/nightly symptoms, medication and peak expiratory
flow. A histamine challenge was performed initially and after each period to
measure the effect on hyperresponsiveness. Statistical analysis showed no significant
differences between active and placebo periods with regard to lung
function, medication, nocturnal asthma or other symptoms supposed to be
related to indoor climate. |
| doi_str_mv | 10.1159/000463326 |
| format | Article |
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study was to evaluate whether corona ionisers placed in bedrooms could
improve nocturnal asthma and other symptoms in asthmatics which might be
related to the indoor climate. Active or inactive (placebo) ionisers were placed
in the bedrooms of 15 patients for two subsequent 4-week periods. The
patients recorded daily/nightly symptoms, medication and peak expiratory
flow. A histamine challenge was performed initially and after each period to
measure the effect on hyperresponsiveness. Statistical analysis showed no significant
differences between active and placebo periods with regard to lung
function, medication, nocturnal asthma or other symptoms supposed to be
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improve nocturnal asthma and other symptoms in asthmatics which might be
related to the indoor climate. Active or inactive (placebo) ionisers were placed
in the bedrooms of 15 patients for two subsequent 4-week periods. The
patients recorded daily/nightly symptoms, medication and peak expiratory
flow. A histamine challenge was performed initially and after each period to
measure the effect on hyperresponsiveness. Statistical analysis showed no significant
differences between active and placebo periods with regard to lung
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study was to evaluate whether corona ionisers placed in bedrooms could
improve nocturnal asthma and other symptoms in asthmatics which might be
related to the indoor climate. Active or inactive (placebo) ionisers were placed
in the bedrooms of 15 patients for two subsequent 4-week periods. The
patients recorded daily/nightly symptoms, medication and peak expiratory
flow. A histamine challenge was performed initially and after each period to
measure the effect on hyperresponsiveness. Statistical analysis showed no significant
differences between active and placebo periods with regard to lung
function, medication, nocturnal asthma or other symptoms supposed to be
related to indoor climate.</abstract><cop>Basel, Switzerland</cop><doi>10.1159/000463326</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1420-326X |
| ispartof | Indoor + built environment, 1997-03, Vol.6 (3), p.174-178 |
| issn | 1420-326X 1423-0070 |
| language | eng |
| recordid | cdi_karger_primary_463326 |
| source | SAGE Complete |
| subjects | Original Paper |
| title | Can Ionisers in Bedrooms Help Asthmatics? |
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