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Routine drainage after thyroid surgery--a meta-analysis.

Alvaro Sanabria1, André L Carvalho, Carl E Silver

  • 1Department of Surgery, Universidad de La Sabana, Bogotá, Colombia.

Journal of Surgical Oncology
|May 1, 2007
PubMed
Summary
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Routine drainage after thyroidectomy offers no significant benefit for preventing neck hematoma or seroma. However, using drains in thyroid surgery was associated with a longer hospital stay for patients.

Area of Science:

  • Surgical Oncology
  • General Surgery
  • Evidence-Based Medicine

Background:

  • Thyroidectomy is a frequently performed surgical procedure.
  • The necessity of routine surgical drainage following thyroidectomy remains debated.
  • Existing clinical trial evidence is inconclusive regarding the benefits of routine drainage.

Purpose of the Study:

  • To evaluate the efficacy of routine surgical drainage versus no drainage in patients undergoing thyroidectomy.
  • To compare the incidence of postoperative neck hematoma or seroma between drainage and no-drainage groups.
  • To assess the impact of routine drainage on the length of hospital stay post-thyroidectomy.

Main Methods:

  • A meta-analysis was conducted, synthesizing data from relevant randomized clinical trials.

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  • An extensive literature review identified suitable clinical trials for inclusion.
  • Outcome measures focused on the comparative incidence of neck hematoma/seroma and hospital stay duration.

    • Main Results:

    • Eleven randomized clinical trials were included in the meta-analysis.
    • No statistically significant difference was observed in the incidence of neck hematoma or seroma (OR 1.03, 95% CI 0.59-1.81) between routine drainage and no-drainage groups.
    • The mean hospital stay was significantly longer by 1.53 days in the routine drainage group (95% CI 1.39-1.68).

    Conclusions:

    • Routine surgical drainage does not reduce the frequency of postoperative hematoma or seroma after thyroidectomy.
    • Employing routine drainage in thyroidectomy procedures is associated with an increased length of hospital stay.
    • Current evidence suggests that routine drainage may not be beneficial for patients undergoing thyroidectomy.