Abstract

Haemostasis during any surgical procedure is fundamental for attaining a positive patient outcome. Safe thyroid surgery requires meticulous attention for careful control of bleeding and safe guarding important structures like recurrent laryngeal nerve. Many methods such as ligation and suturing, electro ligation sealing, coagulation, and ultrasonic coagulation have been put to use for achieving haemostasis. The objective of this systemic review was to compare and review the surgical outcomes between harmonic (ultrasonic) scalpel and conventional ligature techniques in performing thyroid surgery. The systematic review was performed in accordance with PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement and checklist with a total of 11 studies selected for qualitative analysis. The statistical software Review Manager 5.4.1 provided by the Cochrane Collaboration was used for performing the analysis on the two groups. It was concluded that the use of harmonic scalpel for thyroid surgery is useful for reducing operative time, postoperative pain, drainage volume and transient hypocalcemia, hence can be a reliable and a safe tool compared to conventional techniques often used for surgery.

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