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Systematic review and meta-analysis of T1 glottic cancer outcomes comparing CO2 transoral laser microsurgery and radiotherapy.

Abstract：

BACKGROUND:The objective of this study is to compare the oncologic outcomes of CO2 transoral laser microsurgery (TLM) and radiotherapy (RT) for treatment of T1 glottic carcinoma. METHODS:A literature search was conducted in the following databases: Medline/PubMed, Web of Science, EMBASE, and the Cochrane Library. Search results were screened, and publications comparing oncologic outcomes of T1N0M0 glottic carcinoma treated with TLM or RT were included. Data was extracted independently by two authors, and publication quality was graded according to the Oxford Centre for Evidence-based Medicine. Meta-analysis was performed for overall survival, disease specific survival, laryngeal preservation, and local control. RESULTS:Sixteen studies were included in the meta-analysis, the majority being retrospective cohort studies with two prospective cohort studies. Included studies were rated as either Level II or III evidence. Meta-analysis favoured treatment with TLM for T1 glottic carcinoma patients for the following outcomes: overall survival (odds ratio [OR], 1.52; 95% confidence interval [CI], 1.07-2.14; P = 0.02), disease specific survival (OR, 2.70; CI, 1.32-5.54; P = 0.007), and laryngeal preservation (OR, 6.31; CI, 3.77-10.56; P < 0.00001). There was no difference in local control between TLM and RT in T1 glottic cancer (OR, 1.19; CI, 0.79-1.81; P = 0.40). DISCUSSION:Our study provides a current and thorough comparison of TLM and RT outcomes in T1 glottic carcinoma. Limitations of our study include lack of randomized control trials, and non-randomized allocation of patients to treatment groups. Our meta-analysis suggests that TLM is the superior modality in terms of overall survival, disease specific survival, and laryngeal preservation. Future prospective randomized controlled studies are required for confirming these findings and developing appropriate clinical practice guidelines. LEVEL OF EVIDENCE:2A; as per the Centre of Evidence Based Medicine.

journal_name

J Otolaryngol Head Neck Surg

journal_title

Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale

authors

Vaculik MF,MacKay CA,Taylor SM,Trites JRB,Hart RD,Rigby MH

doi

10.1186/s40463-019-0367-2

subject

Has Abstract

pub_date

2019-09-03 00:00:00

pages

issue

eissn

1916-0208

issn

1916-0216

pii

10.1186/s40463-019-0367-2

journal_volume

pub_type

杂志文章,meta分析

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Systematic review and meta-analysis of T1 glottic cancer outcomes comparing CO2 transoral laser microsurgery and radiotherapy.