Abstract
Objective: This study aimed to compare the efficacy of diode laser and coblation tonsillectomy in paediatric patients in relation to operative time, amount of blood loss, post operative pain, healing of tonsillar fossa and returns to normal diet.
 Methods: A total of 200 patients ,100 for coblaton and 100 for diode laser, aged 3-12 years with recurrent tonsillitis with or without snoring and sleep apnoea were recruited. Participants were prospectively randomised to diode laser and coblation tonsillectomy. Operative time and blood loss were recorded. Pain was recorded by VAS or assessed by using analgesic.
 Results: The operative time were recorded 07-15 minutes,mean 10 minutes in coblation group and 12-20 minutes ,mean 14 minutes in laser group., Blood loss was recorded 0-15 ml mean 8 ml in coblation group and 10-25 ml mean 13.5 ml in diode laser group . However, at post-operative day seven, the diode laser tonsillectomy group had significantly higher pain scores compared with coblationtonsillectomy groups.Coblation group started normal soft diet on day 5 whereas diode laser started on day 8
 Conclusion: Coblation tonsillectomy is associated with less operative time and blood loss, early returns to normal diet and less pain score in comparison to Diode laser tonsillectomy
 Bangladesh J Otorhinolaryngol; October 2017; 23(2): 140-145
Highlights
Tonsillectomy is one of the most common surgical procedure performed world wide by the ENT Surgeons.[1]
The presence of cool irrigating isotonic saline helps to limit the amount of heat delivered to the surrounding structures.[8,14,15]. This is a prospective randomized study to compare the result of coblation assisted tonsillectomy with diode laser tonsillectomy with regards to the operative time, intraoperative blood loss, degree of post operative pain, healing of tonsillar fossa, day of return to normal diet and any post operative complications
The tonsillectomy performed by Coblation using Coblator II and in the other group the tonsillectomy performed by Diode laser.The patients were randomized to either the coblation or Diode laser group of equal number
Summary
Tonsillectomy is one of the most common surgical procedure performed world wide by the ENT Surgeons.[1]. The surgical technique of coblation tonsillectomy is based on dissection of tonsil in the relatively bloodless tonsillar muscular plane, using an Arthrocare Evac XP plasma wand.[8] The operating principle of coblation is similar to bipolar diathermy or electrosurgery. In both methods, an alternative current passing between the active electrodes at the tip of the device produces destruction of the target tissue adjacent to the electrodes. The presence of cool irrigating isotonic saline helps to limit the amount of heat delivered to the surrounding structures.[8,14,15]
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