Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 1995
Effect of inhaled furosemide on lung clearance of technetium-99m-DTPA.
Клиническое исследованиеКонтролируемое клиническое исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Inoue T, Shigeta M, Mochizuki H, Shimizu T, Morikawa A, Suzuki H, Watanabe N, Tateno M, Oriuchi N, Hirano T
Аннотация
UNLABELLED: The diuretic furosemide has been reported to have a protective effect on allergic asthmatic reactions. This study was performed to investigate the effect of aerosolized furosemide on the lung clearance of 99mTc-diethylene triamine pentaacetic acid (99mTc-DTPA).
METHODS: Pulmonary clearance rates of 99mTc-DTPA were measured by a computerized gamma camera with and without the inhalation of aerosol furosemide in 6 nonsmoking normal volunteers (Group 1), 7 smokers without pulmonary disease (Group 2) and 11 patients with asthma (Group 3).
RESULTS: None of the six normal volunteers showed significant effects of inhaled furosemide on the 99mTc-DTPA clearance rates. Three of seven smokers presented an accelerated 99mTc-DTPA clearance by inhaled furosemide and the other four showed no significant change of 99mTc-DTPA clearance by furosemide inhalation. However, in 10 of 11 patients with asthma, there was significant suppression of 99mTc-DTPA clearance by furosemide inhalation.
CONCLUSION: Asthmatics possess a furosemide-sensitive mechanism. Pulmonary aerosol scintigraphy with 99mTc-DTPA will be useful in predicting the effect of inhaled furosemide therapy.
METHODS: Pulmonary clearance rates of 99mTc-DTPA were measured by a computerized gamma camera with and without the inhalation of aerosol furosemide in 6 nonsmoking normal volunteers (Group 1), 7 smokers without pulmonary disease (Group 2) and 11 patients with asthma (Group 3).
RESULTS: None of the six normal volunteers showed significant effects of inhaled furosemide on the 99mTc-DTPA clearance rates. Three of seven smokers presented an accelerated 99mTc-DTPA clearance by inhaled furosemide and the other four showed no significant change of 99mTc-DTPA clearance by furosemide inhalation. However, in 10 of 11 patients with asthma, there was significant suppression of 99mTc-DTPA clearance by furosemide inhalation.
CONCLUSION: Asthmatics possess a furosemide-sensitive mechanism. Pulmonary aerosol scintigraphy with 99mTc-DTPA will be useful in predicting the effect of inhaled furosemide therapy.