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CompletedNCT07457619Updated Mar 9, 2026

Coblation Tonsillectomy Versus Cold Dissection Tonsillectomy

An interventional study of coblation tonsillectomy and cold dissection tonsillectomy in Tonsillitis, sponsored by Shahida Islam Medical Complex. Completed at 1 site in Pakistan. Open to participants aged 20 Years to 60 Years. Per ClinicalTrials.gov, last updated 2026-03-09.

Sponsored by Shahida Islam Medical Complex · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
60
Allocation
Randomized
Ages
20 Years to 60 Years
Sex
All
01

Study summary

The surgical removal of the tonsils is known as a tonsillectomy. Even though tonsillectomy rates have decreased recently, it is still one of the most common surgical operations carried out globally.1 In 30 BC, Celsus was the first to describe tonsil removal. Since then, a variety of surgical techniques and better tools have been developed for this aim.2 Postoperative discomfort and hemorrhage are the two main postoperative consequences following tonsillectomy. The guillotine procedure, cold dissection, electrocautery, harmonic scalpel, coblation, and laser surgery are among the many tonsillectomy techniques used in the literature.3 Regarding the various surgical procedures, the most crucial factors in determining which approach is optimal for this treatment are increasing intra-operative efficiency and lowering post-operative morbidity. Pain and bleeding are two of the main postoperative problems that result from cold steel dissection tonsillectomy, which leaves the incision accessible for secondary intention healing.4,5 It is evident from literature review that hemorrhage is one of the major complication of tonsillectomy resulting in increased rate of morbidity and increase hospital stay. In 2001, coblation tonsillectomy was first offered as a safer and more efficient tonsil removal technique. By creating a plasma field at the probe's surface, this method ablates tissue at comparatively low temperatures (between 40 and 70 °C). Unlike diathermic coagulation, which produces temperatures beyond 500 °C, this plasma field, which is composed of highly ionized particles, analyzes and breaks down the molecular connections of confined tissue, greatly decreasing heat dissipation to neighboring tissues. In order to achieve hemostasis, the radiofrequency generator can also be utilized for coagulation.6,7 Given the advantages of a shorter operating time and less intraoperative hemorrhage, several institutions in our nation have already made the use of the more recent technique of coblation the normal practice. Since there isn't much information on the application of coblation in tonsillectomy procedures, The investigator chosen to compare the results of coblation and cold dissection tonsillectomy in the local community. In addition to being a valuable addition to the body of existing literature, this study will also offer local facts. Additionally, clinicians can receive empirical support for improved tonsillectomy technique to lower morbidity.

Read the detailed description

Study design: Randomized Controlled Trial Setting: Department of Otorhinolaryngology, Sheikh Zayed Hospital, Lahore. Sample size With a 95% confidence level, 80% study power, and a mean pain score of 1.84 ± 0.85 for the cold dissection group and 1.24 ± 0.77 for the coblation group, the sample size of 60 cases-30 in each group-is determined.8 Sampling Technique Non-probability, consecutive sampling.

DATA COLLECTION PROCEDURE:

A total of 60 patients admitted to the otorhinolaryngology department of Sheikh Zayed Hospital in Lahore will be chosen following approval by the CPSP and the institutional ethical review committee. Every patient will be asked for their informed permission. All demographic data, including age, gender, and length of illness, will then be recorded. Every chosen case will be given the opportunity to select a slip from the total number of mixed-up slips (half-slips will include the letter "A," and other half-slips will contain the letter "B"), and they will be assigned to the appropriate group. Patients in group A will have their tonsils removed by coblation, and those in group B will have their tonsils removed by cold dissection. With the help of the researcher, a single surgical team will do every procedure. Using curved Metzenbaum scissors to penetrate the peritonsillar area, blunt dissection to remove the tonsil from superior to inferior, and a wire snare to separate the inferior pole, a cold dissection tonsillectomy will be carried out. At a setting of 35, a bipolar cautery will be used to achieve hemostasis. Using subcapsular dissection along the tonsillar pillar mucosa, the EVAC70 T\&A (ArthroCare ENT, Sunnyvale, CA) hand piece will execute the coblation-assisted tonsillectomy while preserving muscle. Hemostasis will be achieved on the coagulate 3 setting, and dissection will be performed on the coagulate 7 setting. All patients will receive the same anesthesia and recovery room procedures. As stated in the operational definition, postoperative pain score, primary, reactionary and secondary hemorrhage will be recorded. Pre-designed Performa will be used to gather the data (Annexure I).

DATA ANALYSIS:

SPSS version 25.0 will be used to enter and evaluate the data. The data's normality will be examined using the Shapiro-Wilk test. For age, duration of illness and postoperative pain score, the mean and SD or median (IQR) will be displayed. For gender, place of residence (rural vs. urban), primary, reactionary and secondary hemorrhage, frequency and percentage will be displayed. The independent "t" test will be used to compare the postoperative pain in both groups and chi square test for primary, reactionary and secondary hemorrhage; a p-value of less than 0.05 will be considered significant. Age, gender, length of illness, and residence (rural vs. urban) will all be stratified. The independent 't' test will be used after stratification, and a p-value of less than 0.05 will be regarded as significant.

02

Conditions studied

  • Tonsillitis

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Keywords

  • tonsillectomy
  • coblation
  • cold dissection
03

Who can participate

Ages eligible
20 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • All patients with chronic tonsillitis (as per-operational definition) of duration >3 months

Exclusion criteria

Exclusion Criteria:

  • History of peritonsillar abscess.
  • Patients with known bleeding disorder (INR >1.5).
  • Patients with tonsillar malignancy
04

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
60 participants (actual)

Study arms

  • Experimental
    coblation tonsillectomy

    Procedure: coblation tonsillectomy

  • Active comparator
    cold dissection tonsillectomy

    Procedure: cold dissection tonsillectomy

Interventions

  • Procedurecoblation tonsillectomy

    Using subcapsular dissection along the tonsillar pillar mucosa, the EVAC70 T\&A (ArthroCare ENT, Sunnyvale, CA) hand piece will execute the coblation-assisted tonsillectomy while preserving muscle. Hemostasis will be achieved on the coagulate 3 setting, and dissection will be performed on the coagulate 7 setting.

  • Procedurecold dissection tonsillectomy

    Using curved Metzenbaum scissors to penetrate the peritonsillar area, blunt dissection to remove the tonsil from superior to inferior, and a wire snare to separate the inferior pole, a cold dissection tonsillectomy will be carried out. At a setting of 35, a bipolar cautery will be used to achieve hemostasis

05

What researchers measure

Primary outcomes

  1. Rate of Secondary infection

    presence of purulent discharge (thick and milky discharge from a wound) and resulting in opening of the skin wound

    Time frame: 2 weeks

  2. Incidence of post-operative pain

    measured using a visual analoque scale 7 days after the procedure, with 0 representing no pain and 10 representing the severe pain

    Time frame: one week

06

Study locations

1 site
  • Shaikh Zayed Hospital, Lahore
    Bahawalpur, Pakistan
07

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

08

Registry details

Key details

Study ID
NCT07457619
Lead sponsor
Shahida Islam Medical Complex
Responsible party
Dr Mudassar Saeed Pansota (Clinical professor, Shahida Islam Medical Complex) — Principal investigator
First posted
Mar 9, 2026
Start date
Nov 20, 2025
Primary completion
Feb 19, 2026
Completion
Feb 19, 2026
Last update
Mar 9, 2026

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
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