Harmonic Scalpel is more Secure than Conventional Methods in Total Thyroidectomy: A Randomized Clinical Trial

AUTHORS

Ahmadreza Soroush 1 , Elham Pourbakhtyaran 1 , Somayyeh Allame 1 , Mohammad Mahdi Zamani 2 , Mehrnoosh Etemadi 3 , Shirzad Nasiri 1 , *

1 Department of Surgery, Shariati Hospital, Tehran University of Medical Sciences, Tehran, IR Iran

2 Department of Anesthesiology, Firoozgar Hospital, Tehran University of Medical Sciences, Tehran, IR Iran

3 Students Scientific Research Center, Tehran University of Medical Sciences, Tehran, IR Iran

How to Cite: Soroush A, Pourbakhtyaran E, Allame S, Mahdi Zamani M, Etemadi M, et al. Harmonic Scalpel is more Secure than Conventional Methods in Total Thyroidectomy: A Randomized Clinical Trial, J Minim Invasive Surg Sci. Online ahead of Print ; 2(3):23-7.

ARTICLE INFORMATION

Journal of Minimally Invasive Surgical Sciences: 2 (3); 23-7
Published Online: August 29, 2013
Article Type: Research Article
Received: November 25, 2012
Accepted: March 7, 2013
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Abstract

Background: Traditional haemostatic techniques in total thyroidectomy may cause some damages to surrounding tissues. It is believed that these damages can be reduced using ultrasonic dissector devices like Harmonic Scalpel (HS).

Objective: In this study, we investigated the efficacy of ultrasonic dissectors (HS) versus conventional techniques (Clamp and Tie).

Patients and Methods: A single blinded randomized clinical trial was performed at a referral educational center. Sixty eight eligible participants were enrolled and assigned to conventional group (operated with Clamp and Tie technique) and HS group (operated with Harmonic Scalpel). The following items were recorded in both groups: haemostatic technique, operative blood loss, duration of surgery, length of hospital stay, pathology, thyroid weight, postoperative recurrent laryngeal nerve injury, change in calcemia, pain, drainage volume and hematoma formation.

Results: The results demonstrated that application of HS in thyroidectomy significantly reduces operating time (P < 0.0001) and Intra operative bleeding (P < 0.0001). Postoperative drainage (P < 0.0001), pain (P < 0.0001), hypocalcemia (P < 0.0001), and length of hospitalization (P < 0.0001) were significantly lower in HS group. Voice score was significantly lower in HS group (P < 0.0001).

Conclusions: HS in total thyroidectomy, reduces operating time, blood loss, postoperative pain, drainage volume, voice changes, and postoperative hypocalcemia, compared to conventional techniques.

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© 2013, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
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