caa a22 4500 388083921 CHVBK 20180307125225.0 cr unu---uuuuu 161130e199906 xx s 000 0 eng 10.1017/S0022215100144366 doi S0022215100144366 pii (NATIONALLICENCE)cambridge-10.1017/S0022215100144366 Evaluation of Eustachian tube function with ventilation scintigraphy by using 133Xe gas [Elektronische Daten] The aim of this study was to evaluate Eustachian tube function by ventilation scintigraphy. In 13 patients with normal tube function and 16 with one-sided tube dysfunction, 50 MBq 133Xe was applied into the nasopharyngeal space through a tube inserted into the nasal cavity. Immediately after the insufflation, the patients were asked to perform three Valsalva manoeuvres. The visualization of the middle ear was possible in 10 of the 13 patients (77 per cent) with normal tube function. Decreased uptake of the middle-ear region in the side of dysfunction was demonstrated in 11 of the 16 patients (68.7 per cent) with one-sided tube dysfunction. Quantitative evaluation by region of interest technique revealed that by using percentage retention of activity and uptake rates, there were significant differences between the sides of dysfunction and sides of normal tube function (p<0.05) and also between sides of dysfunction and both sides of controls (p<0.05). There was no significant differences between normal sides of patients and both sides of controls (p>0.05). As a conclusion, this method is non-invasive, easy-to perform and has a low radiation burden in the evaluation of Eustachian tube function. Although the number of patients is limited, the test seems to be applicable with a success rate of about 74 per cent. Copyright © JLO (1984) Limited 1999 Eustachian tube nationallicence Scintigraphy nationallicence Xenon radioisotopes nationallicence Karaşen R. Murat Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey. Varoǧlu Erhan Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey. Yildirim Mustafa Department of Otorhinolaryngology, The School of Medicine, Atatürk University, Erzurum-Turkey. Eryilmaz Kerim Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey. Sütbeyaz Yavuz Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey. Şirin Süleyman Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey. The Journal of Laryngology & Otology Cambridge University Press 113/6(1999-06), 509-511 0022-2151 113:6<509 1999 113 JLO https://doi.org/10.1017/S0022215100144366 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1017/S0022215100144366 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Karaşen R. Murat Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey NATIONALLICENCE 700 1- Varoǧlu Erhan Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey NATIONALLICENCE 700 1- Yildirim Mustafa Department of Otorhinolaryngology, The School of Medicine, Atatürk University, Erzurum-Turkey NATIONALLICENCE 700 1- Eryilmaz Kerim Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey NATIONALLICENCE 700 1- Sütbeyaz Yavuz Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey NATIONALLICENCE 700 1- Şirin Süleyman Department of Nuclear Medicine, The School of Medicine, Atatürk University, Erzurum-Turkey NATIONALLICENCE 773 0- The Journal of Laryngology & Otology Cambridge University Press 113/6(1999-06), 509-511 0022-2151 113:6<509 1999 113 JLO CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge