The assessment of mucociliary clearance using monodisperse 99mTc-tagged red blood cells. 1991

U M Botha, and W J Strydom, and H D Brandt
Department of Medical Physics, Medical University of South Africa.

To assess mucociliary clearance rates of the lungs using a monodisperse particle of constant volume, we investigated the possibility of using a patient's own red blood cells. The cells are tagged with 99mTechnetium. The procedure was performed on two groups of volunteers. The test was found to be very reliable (98%). A second group was studied with the administration of a placebo or 400 mg Aminophylline during the acquisition of the data. The expected response could be seen in 81% of the cases studied.

UI MeSH Term Description Entries
D008168 Lung Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood. Lungs
D008297 Male Males
D009079 Mucociliary Clearance A non-specific host defense mechanism that removes MUCUS and other material from the LUNGS by ciliary and secretory activity of the tracheobronchial submucosal glands. It is measured in vivo as mucus transfer, ciliary beat frequency, and clearance of radioactive tracers. Mucociliary Transport,Clearance, Mucociliary,Clearances, Mucociliary,Mucociliary Clearances,Mucociliary Transports,Transport, Mucociliary,Transports, Mucociliary
D010316 Particle Size Relating to the size of solids. Particle Sizes,Size, Particle,Sizes, Particle
D011877 Radionuclide Imaging The production of an image obtained by cameras that detect the radioactive emissions of an injected radionuclide as it has distributed differentially throughout tissues in the body. The image obtained from a moving detector is called a scan, while the image obtained from a stationary camera device is called a scintiphotograph. Gamma Camera Imaging,Radioisotope Scanning,Scanning, Radioisotope,Scintigraphy,Scintiphotography,Imaging, Gamma Camera,Imaging, Radionuclide
D004912 Erythrocytes Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN. Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000336 Aerosols Colloids with a gaseous dispersing phase and either liquid (fog) or solid (smoke) dispersed phase; used in fumigation or in inhalation therapy; may contain propellant agents. Aerosol

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