• Int. J. Pediatr. Otorhinolaryngol. · Sep 2008

    Randomized Controlled Trial Comparative Study

    Multiparametric comparison of cold knife tonsillectomy, radiofrequency excision and thermal welding tonsillectomy in children.

    • T Chimona, E Proimos, C Mamoulakis, M Tzanakakis, C E Skoulakis, and C E Papadakis.
    • ENT Department, Chania General Hospital, Crete, Greece. chimonath@yahoo.gr
    • Int. J. Pediatr. Otorhinolaryngol. 2008 Sep 1; 72 (9): 1431-6.

    ObjectiveThis is a prospective study evaluating certain intraoperative and postoperative parameters, comparing the relatively new technique of thermal welding tonsillectomy with cold knife tonsillectomy, and radiofrequency excision in pediatric population.MethodsNinety children aged from 5 through 13 years were enrolled a randomized prospective trial comparing cold knife tonsillectomy, radiofrequency excision, and thermal welding tonsillectomy. Indications included recurrent acute tonsillitis and/or obstructive sleep apnea syndrome. All techniques were compared by means of length of surgery time, blood loss, postoperative bleeding and postoperative pain.ResultsSixty-eight patients underwent tonsillectomy for obstructive sleep apnea, whereas 22 children underwent tonsillectomy due to recurrent acute tonsillitis. Median values of all variables tested, length of surgery time, blood loss, postoperative bleeding and postoperative pain, were found to differ significantly among the three surgical techniques (P<0.001). Particularly, a statistically significant higher median duration (P<0.001) and intraoperative blood loss (P<0.001), as well as, a statistically significant lower median pain score in each day tested (P<0.001) of the cold knife group, compared to each one of the other two groups, were found. Tissue welding and radiofrequency groups did not differ significantly in any aspect tested.ConclusionsBoth thermal welding and radiofrequency excision techniques have shown comparable results regarding intraoperative blood loss, postoperative hemorrhage, and pain. Compared with cold knife tonsillectomy, welding and radiofrequency excision techniques were associated with less intraoperative blood loss and duration, though cold knife tonsillectomy seems to prevail over the two techniques in terms of the postoperative pain.

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