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Updated: Nov 11, 2025

CO2-Lasertonsillotomy Under Local Anesthesia in Adults
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Postoperative bleeding after tonsil surgery.

Sverre Morten Zahl

    Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
    |March 23, 2021
    PubMed
    Summary

    Postoperative bleeding after tonsil surgery is uncommon, with a low prevalence of 2.2% for primary and 1.4% for secondary bleeding. Older patients and those with initial bleeding face increased risks.

    Area of Science:

    • Otorhinolaryngology
    • Surgical Complications
    • Pediatric Surgery

    Background:

    • Tonsillectomy and tonsillotomy are frequent procedures in children and adolescents.
    • Postoperative bleeding is a significant, albeit rare, complication.
    • Understanding local prevalence and risk factors is crucial for patient safety.

    Purpose of the Study:

    • To determine the incidence of postoperative bleeding following tonsil surgery.
    • To identify risk factors associated with postoperative bleeding.
    • To evaluate bleeding rates at Ålesund hospital.

    Main Methods:

    • Retrospective review of patient records.
    • Analysis of data from 1394 patients undergoing tonsil surgery (tonsillectomy or tonsillotomy).

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  • Data collected over a five-year period (2015-2019).

    • Main Results:

    • Overall postoperative bleeding rate was low.
    • Primary hemorrhage (<24 hours) occurred in 2.2% of patients.
    • Secondary hemorrhage (>24 hours) requiring hospitalization occurred in 1.4%, with reoperation in 0.4%.
    • No bleeding was noted after tonsillotomy.
    • Increased risk for late bleeding in patients aged 16+ and those with primary hemorrhage.

    Conclusions:

    • Postoperative bleeding rates in this study are comparable to international data.
    • Findings suggest a low risk for tonsil surgery in this Norwegian setting.
    • Results can inform clinicians and patients about potential risks.