Document Detail

The effect of early division of the chorda tympani on gustatory function.
MedLine Citation:
PMID:  22109919     Owner:  NLM     Status:  In-Data-Review    
This study was undertaken to assess dysgeusia in patients who have undergone middle ear surgery for chronic suppurative otitis media (CSOM) when the surgeon's practice was to cleanly divide the chorda tympani without prior manipulation, if it in any way hindered operative access or the aims of surgery. We wanted to determine whether lower rates of taste disturbance might be obtained by early, clean division of the nerve. We followed 110 patients prospectively and asked them to complete a postoperative dysgeusia questionnaire 1 year after surgery. The "cut nerve" group included 81 patients, and the "uncut nerve" group included 29 patients. In the uncut group, the nerve was untouched or underwent minimal handling. In the cut nerve group, 68% of patients had no taste disturbance after surgery; 4% of patients in this group had ongoing symptoms at 1 year postoperatively. In the uncut nerve group, 67% were asymptomatic, while 11% had ongoing taste disturbance at 1 year. Statistical analysis of symptoms beyond 1 year showed a mean difference of 7%, but this is not statistically significant (p = 0.38). These results suggest that early division of the chorda tympani without prior manipulation in patients with chronic suppurative otitis media does not result in higher rates of taste disturbance than in patients with uncut nerves. Indeed rates of taste disturbance in our cut group were lower than in the uncut group, and lower than or comparable to those seen in other studies.
Bruno Kenway; Anand Kasbekar; Neil Donnelly; Patrick Axon
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Ear, nose, & throat journal     Volume:  90     ISSN:  1942-7522     ISO Abbreviation:  Ear Nose Throat J     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7701817     Medline TA:  Ear Nose Throat J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  520-5     Citation Subset:  IM    
ENT Department, Addenbrooke's Hospital, Hills Rd., Cambridge CB2 0QQ UK.
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