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Taste function evaluation after tonsillectomy: a prospective study of 60 patients

  • Laryngology
  • Published:
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Abstract

Tonsillectomy is regarded as a safe procedure, with post-operative taste disturbances rarely reported. The aim of this study was to access taste function after tonsillectomy in a series of 60 patients. Sixty patients (age range 14–40 years; mean 24.4 years; median 21 years; STD 7.7 years), 24 males and 36 females, underwent bilateral tonsillectomy at the University Hospital of Patras, Greece. All patients were diagnosed with recurrent tonsillitis and randomly assigned to two groups. The first group consisted of 27 patients, who underwent tonsillectomy using scissors and raspatory with electrocautery for coagulation. The remaining 33 patients underwent tonsillectomy using pressure-assisted tissue-welding technology. Chemogustometry was used to evaluate the patients’ taste function on the first postoperative day and succeedingly, 15 days and 1 month postoperatively. Three different quantities of tastant were used in each test. Taste recognition in posterior tongue regions proved to be more affected compared with anterior tongue regions in the first postoperative day. Bitter and sour tastes were more affected than those of sweet and salty. Succeeding tests yielded near normal results for all patients except two, with one patient achieving normal taste function 1 month postoperatively and the other still facing taste disorders 1 month after tonsillectomy. The results indicate that Tonsillectomy entails a temporary reduction in taste function. This finding should be attributed to direct or indirect intraoperative damage of the glossopharyngeal nerve or unintentional extension of the lingual nerve by application of the tongue retractor. No significant difference was noted between the two operative techniques evaluated in our study. In most cases taste function returns to preoperative levels within 2 weeks postoperatively. Post-tonsillectomy taste disturbances are uncommon, and patients should be informed of this possibility.

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Authors and Affiliations

  1. ENT Department, University Hospital of Patras, Patras, Greece

    Theodoros Stathas, Antonios Mallis, Stephanos Naxakis, Nicholas S. Mastronikolis, Georgios Gkiogkis, Dimitrios Xenoudakis, Nikolaos S. Armenakis & Panos D. Goumas

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  1. Theodoros Stathas
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  2. Antonios Mallis
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  3. Stephanos Naxakis
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  4. Nicholas S. Mastronikolis
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  5. Georgios Gkiogkis
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  6. Dimitrios Xenoudakis
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  7. Nikolaos S. Armenakis
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  8. Panos D. Goumas
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Correspondence to Theodoros Stathas.

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Stathas, T., Mallis, A., Naxakis, S. et al. Taste function evaluation after tonsillectomy: a prospective study of 60 patients. Eur Arch Otorhinolaryngol 267, 1403–1407 (2010). https://doi.org/10.1007/s00405-010-1224-0

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  • DOI: https://doi.org/10.1007/s00405-010-1224-0

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