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Meta-Analysis
. 2024 Feb;170(2):347-358.
doi: 10.1002/ohn.573. Epub 2023 Nov 8.

Postoperative Outcomes of Intracapsular Tonsillectomy With Coblation: A Systematic Review and Meta-Analysis

Huiying Lin  1 , Behzad Hajarizadeh  2 , Andrew James Wood  1   3 , Kumanan Selvarajah  1   3 , Omid Ahmadi  1   3
Affiliations
Meta-Analysis

Postoperative Outcomes of Intracapsular Tonsillectomy With Coblation: A Systematic Review and Meta-Analysis

Huiying Lin et al. Otolaryngol Head Neck Surg. 2024 Feb.

Abstract

Objective: Following tonsillectomy, postoperative pain and hemorrhage from the tonsillar bed are causes of significant morbidity. Intracapsular tonsillectomy with Coblation is suggested to minimize such morbidity while remaining efficacious in long-term outcomes. This systematic review and meta-analysis assessed short-term morbidity and long-term outcomes from intracapsular tonsillectomy with Coblation, focusing primarily on posttonsillectomy hemorrhage.

Data sources: Medline, Embase, and the Cochrane Library.

Review methods: Guided by PRISMA guidelines, studies on intracapsular tonsillectomy with Coblation published between December 2002 and July 2022 evaluating frequency of posttonsillectomy hemorrhage were screened. Studies without primary data were excluded. Meta-analysis was conducted using the random-effect model. The primary outcome was the proportion of patients who experienced posttonsillectomy hemorrhage. The secondary outcomes were posttonsillectomy pain, the proportion requiring revision tonsillectomy, and severity of sleep-disordered breathing measured by polysomnography outcomes.

Results: From 14 studies there were 9821 patients. The proportion of total posttonsillectomy hemorrhage was 1.0% (95% confidence interval [CI] 0.5%-1.6%, n = 9821). The proportion experiencing primary hemorrhage, secondary hemorrhage, and those requiring further tonsil surgery were 0.1% (95% CI 0.0%-0.1%; study n = 7), 0.8% (95% CI 0.2%-1.4%; study n = 7), and 1.4% (95% CI 0.6%-2.2%; study n = 6), respectively. Mean reduction in apnea-hypopnea index was -16.0 events per hour (95% CI -8.8 to -23.3, study n = 3) and mean increase in oxygen nadir was 5.9% (95% CI 2.6%-9.1%, study n = 3).

Conclusion: Intracapsular tonsillectomy with Coblation has been demonstrated to have a low rate of posttonsillectomy hemorrhage. Data regarding long-term tonsil regrowth and need for reoperation were encouraging of the efficacy of this technique.

Keywords: palatine tonsil; postoperative hemorrhage; postoperative period; tonsillectomy.

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References

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