PT  - JOURNAL ARTICLE
AU  - Christie, Jane H.
AU  - Robinson, Ralph G.
AU  - Kirchner, Fernando R.
AU  - Wegst, Audrey V.
AU  - Herrin, William F.
AU  - Preston, David F.
TI  - Ventilation and Clearance of the Sinuses and Middle Ears Using Xenon-133
DP  - 1980 Mar 01
TA  - Journal of Nuclear Medicine Technology
PG  - 23--27
VI  - 8
IP  - 1
4099  - http://tech.snmjournals.org/content/8/1/23.short
4100  - http://tech.snmjournals.org/content/8/1/23.full
SO  - J. Nucl. Med. Technol.1980 Mar 01; 8
AB  - Ventilation and clearance of xenon-133 from the pneumatic spaces of the sinuses and middle ears offers the clinician a non-invasive method for direct assessment of regional ventilatory function of sinus and middle ear cavities. Five mCi of Xe-133 are insufflated using a bilateral negative-positive displacement technique. The subsequent disappearance rate of Xe-133 is measured using a scintillation camera interfaced to a computer. Reliability has been demonstrated by repeated measurements in 40 subjects and normal half-time clearances have been established.