Complications in thyroid surgery. Harmonic Scalpel, Harmonic Focus versus Conventional Hemostasis: A meta-analysis

Luca Revelli, Gianfranco Damiani, Caterina Bianca Neve Aurora Bianchi, Serafino Vanella, Walter Ricciardi, Marco Raffaelli, Celestino Pio Lombardi

Risultato della ricerca: Contributo in rivistaArticolo in rivista

23 Citazioni (Scopus)


BACKGROUND: To evaluate the incidence of postoperative complications, hemostatic effects and safety of Total Thyroidectomy (TT) performed using the Harmonic Scalpel (HS), the Harmonic Focus (HF) or Conventional Hemostasis (CH). METHODS: The meta-analysis was performed according to PRISMA guidelines. A literature search was conducted from 2003 to 2014 and stringent criteria were required for inclusion. Thirteen studies concerning an overall population of 1458 compared HS versus CH, whilst 8 studies with 1667 patients compared HF versus CH. RESULTS: There was a significant reduction of operative time (Mean Difference [MD] = -25.49 min.; 95% CI -32.43 to -18.55), intraoperative blood loss (MD = -30.49 mL; 95% CI -53.01 to -7.97), postoperative drainage volume (MD = -12.90 mL; 95% CI -22.83 to -2.98) and postoperative pain (MD = -0.87; 95% CI -1.27 to -0.46) in patients underwent TT with HS. Regarding HF group, a significant reduction of operative time (MD = -25.99 min., 95% CI -34.56 to -17.41), length of hospital stay (MD = -0.57; 95% CI -0.97 to -0.17), transient hypocalcemia (OR = 0.56; 95% CI 0.39 to 0.81) and postoperative pain (MD = -1.33 days; 95% CI -2.49 to -0.17) resulted. CONCLUSIONS: HS TT can be a safe, useful and fast alternative to conventional TT. The newer HF can reduce the rate of hypocalcemia. Future RCTs of larger patient cohorts with more detailed data of postoperative complications, cost-effectiveness and cosmetic results, randomization procedures, intention-to-treat analyses and blinding of outcome assessors are needed to draw more meaningful conclusions.
Lingua originaleEnglish
pagine (da-a)S22-32-S32
RivistaInternational Journal of Surgery
Volume28 Suppl 1
Stato di pubblicazionePubblicato - 2016


  • Complications in thyroidectomy
  • Harmonic Focus
  • Harmonic Scalpel
  • Hemostasis
  • Thyroid
  • Thyroid surgery
  • Ultrasonic dissector
  • Ultrasonic scalpel


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