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Related Experiment Video

Updated: Apr 6, 2026

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Thyroidectomy: Natural drainage or negative drainage? Experience with randomized single-center study.

Salvatore Lo Bianco, Dario Cavallaro, Valeriya Okatyeva

    Annali Italiani Di Chirurgia
    |August 1, 2015
    PubMed
    Summary

    Natural drainage is superior to negative drainage after thyroidectomy, significantly reducing blood loss. This study suggests natural drainage is the preferred method for thyroidectomy patients, challenging older practices.

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    Area of Science:

    • Endocrinology
    • Surgical Oncology
    • Surgical Innovation

    Background:

    • Thyroidectomy is a common surgical procedure for multinodular thyroid disease.
    • Postoperative drainage management is crucial for patient recovery and complication prevention.
    • Current practices often involve negative drainage, but its superiority is debated.

    Purpose of the Study:

    • To compare the efficacy of natural drainage versus negative drainage after total thyroidectomy.
    • To evaluate the volume of blood drained in relation to the type of drainage used.
    • To determine the optimal drainage method for thyroidectomy patients.

    Main Methods:

    • A randomized controlled trial involving 141 patients undergoing total thyroidectomy.
    • Patients were assigned to either closed circuit natural drainage (59) or negative drainage (82).

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  • Blood drainage volume was assessed at 24, 48, and 72 hours post-surgery.

    • Main Results:

    • Natural drainage resulted in significantly lower blood loss compared to negative drainage at all measured time points (24, 48, and 72 hours).
    • Average blood loss at 24 hours: 54.24 ml (natural) vs. 78.59 ml (negative).
    • Average blood loss at 72 hours: 117.5 ml (natural) vs. 217 ml (negative) in observed cases.

    Conclusions:

    • Natural drainage is a more effective method for managing blood loss after thyroidectomy.
    • The findings challenge the traditional use of negative drainage in superficial surgical cavities.
    • Natural drainage should be considered the preferred method following thyroidectomy.