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Lung India Official publication of Indian Chest Society  
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Year : 1996  |  Volume : 14  |  Issue : 4  |  Page : 165-168

The Influence Of Pulsed Magnetic Field On Pulmonary Function Tests : A Preliminary Report

Correspondence Address:
H. D Singh

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Source of Support: None, Conflict of Interest: None

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Forced Vital Capacity (FVC), Forced Expiratory Volume in one second (FEV1) and Peak Expiratory Flow Rates (PEF) were measured in 16 men and 19 women before and after exposure to Pulsed Magnetic Field (PMF) for 30 to 45 days for the treatments of chronic arthritis and spondylosis. Pulsed Magnetic Field are oscillating magnetic fields which are generated by circulating controlled time-varying electric current through coils. The percentage difference between the pre and post therapy vaules were in excess of 10% in seven men and seven women for FVC and FEV1 and in 12 men and 12 women for PEF. The mean FVC (2.40 ± 0.14 i vs 2.62 ± 0.14 i, P<.01), FEV1 (2.0 ± 0.18 i vs 2.19 ± 0.17 i P<0.01) and PEF (353.0 ± 33.0 ¶ min vs 429.0 ± 31.3 i /min, P<0.001) in men: and the mean FVC (2.05 ± 0.13 i vs 2.19 ± 0.13 i, P<0.001), FEV1 (1.7 ± 0.1 i vs 1.81 ± 0.1 i P<0.01) and PEF (241.0 ± 19.3 ¶ min vs 274.0 ± 21.6 ¶ min, P<0.001) in women increased significantly after exposure to PMF. This preliminary study may suggest that PMF has a beneficial effect in a substantial number of subjects, probably due to increase in respiratory muscle strength.

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