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Tonsillectomy technique as a risk factor for postoperative haemorrhage.

D Lowe, J van der Meulen,

    Lancet (London, England)
    |August 25, 2004
    PubMed
    Summary

    Hot" tonsillectomy techniques like diathermy and coblation significantly increase postoperative hemorrhage risk compared to cold steel dissection. Surgeons should use these methods cautiously and with proper training to minimize complications.

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    Area of Science:

    • Otolaryngology
    • Surgical Oncology
    • Patient Safety

    Background:

    • Tonsillectomy is a common surgical procedure.
    • "Hot" techniques (diathermy, coblation) are widely used but lack evidence of superiority over traditional "cold steel" dissection.
    • Limited data exists comparing complication rates between different tonsillectomy methods.

    Purpose of the Study:

    • To compare the incidence of postoperative hemorrhage after tonsillectomy using different surgical techniques.
    • To evaluate the safety and efficacy of "hot" versus "cold steel" tonsillectomy methods.
    • To identify risk factors associated with postoperative bleeding after tonsillectomy.

    Main Methods:

    • A retrospective audit of tonsillectomy data from England and Northern Ireland (July 2003 - February 2004).

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  • Inclusion of 13,554 patients, with 11,796 consenting to electronic data submission from 252 hospitals.
  • Recording of postoperative hemorrhages and complications within 28 days, leading to delayed discharge, return to theatre, or re-admission.

    • Main Results:

    • An overall hemorrhage rate of 3.3% (389 patients) was observed.
    • Secondary hemorrhage (after discharge) was more common (2.9%) than primary hemorrhage (0.5%).
    • Bipolar diathermy and coblation tonsillectomy showed significantly higher hemorrhage rates (3.1x and 3.4x, respectively) compared to cold steel dissection.

    Conclusions:

    • The use of diathermy and coblation techniques for tonsillectomy is associated with an increased risk of postoperative hemorrhage.
    • These "hot" techniques should be employed with caution and require adequate surgeon training.
    • Cold steel dissection, potentially with diathermy for hemostasis, may offer a safer alternative regarding bleeding complications.