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Intraductal pressure during sialendoscopy

Published online by Cambridge University Press:  10 September 2014

J C Luers ,
M Ortmann ,
D Beutner  and
K B Hüttenbrink
J C Luers*
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, University of Cologne, Germany
M Ortmann
Affiliation:
Institute of Pathology, University of Cologne, Germany
D Beutner
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, University of Cologne, Germany
K B Hüttenbrink
Affiliation:
Department of Otorhinolaryngology, Head and Neck Surgery, University of Cologne, Germany
*
Address for correspondence: Dr Jan Christoffer Luers, Department of Otorhinolaryngology, Head and Neck Surgery, University of Cologne, Kerpener Strasse 62, 50924 Cologne, Germany Fax: +49-221-478-4793 E-mail: jan-christoffer.lueers@uk-koeln.de
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Abstract

Background:

Sialendoscopy can be followed by swelling and infection of the salivary gland. A possible pathomechanism is damage of the deeper salivary duct system by intraductal pressure generated by the irrigation fluid.

Method:

After measuring the physiological intraductal pressures which arise during sialendoscopy, these pressures were simulated in freshly excised salivary glands and the tissue was analysed histologically.

Results:

Normal intraductal filling pressure during sialendoscopy is 100–250 daPa, and pressure peaks can be up to 2000 daPa during flushing. A filling pressure of more than 400 daPa results in dilatation of the salivary ducts and acinar area. No direct damage to any duct structures could be observed histologically.

Conclusion:

Irrigation fluid should be administered intermittently rather than continuously during sialendoscopy. The intraductal filling pressure should not exceed 400 daPa to minimise the trauma to the salivary duct system and reduce the risk of developing oedema and inflammation.

Keywords

EndoscopySalivary GlandsSalivary DuctsSialadenitisAcinar cells
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 128 , Issue 10 , October 2014 , pp. 897 - 901
Copyright
Copyright © JLO (1984) Limited 2014 

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