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1 results

  • Intraductal pressure during sialendoscopy

  • J C Luers, M Ortmann, D Beutner, K B Hüttenbrink
  • Journal:
    The Journal of Laryngology & Otology / Volume 128 / Issue 10 / October 2014
    Published online by Cambridge University Press:
    10 September 2014, pp. 897-901
    Print publication:
    October 2014
  • 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.