Flexible endoscopic treatment for Zenker's diverticulum: A systematic review and meta-analysis

Ishaq, S. and Hassan, C. and Antonello, A. and Tanner, K. and Bellisario, C. and Battaglia, G. and Anderloni, A. and Correale, L. and Sharma, P. and Baron, T.H. and Repici, A. (2016) Flexible endoscopic treatment for Zenker's diverticulum: A systematic review and meta-analysis. Gastrointestinal Endoscopy, 83 (6). pp. 1076-1089. ISSN 00165107 (ISSN)

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Abstract

Background and Aims: Flexible endoscopic septum division (FESD) is a rapidly evolving technique for the treatment of Zenker's diverticulum (ZD). The aim was to perform a systematic review and meta-analysis of the literature focusing on FESD for ZD, including an in-depth evaluation of its efficacy, safety, and limitations. Methods: A comprehensive literature search was completed to identify papers that examined the efficacy and safety of FESD for ZD. Demographic, clinical, and technical information was retrieved. Main outcomes were extracted, pooled, and analyzed. Heterogeneity among studies was assessed using the I2 statistic. A random effect model was used as the pooling method in cases of high heterogeneity; otherwise the fixed effect model was applied. Meta-regression was also performed. Main outcomes such as rates of success, adverse events, and recurrences were evaluated. Results: Twenty studies with a total of 813 patients were selected. The pooled success, adverse events, and recurrence rates were 91% (95% confidence interval [CI], 86%-95%; I2 = 69.5%), 11.3% (95% CI, 8%-16%; I2 = 64%), and 11% (95% CI, 8%-15%; I2 = 38.4%), respectively. Substantial heterogeneity across studies was found. However, for success rates, excluding 3 studies reduced heterogeneity to non-significant rates [I2 = 25.6%; P = .154]. Adverse event rates decreased with larger samples (coefficient, -0.0123; 95% CI, -0.03 to -0.003; P = .017), whereas recurrence rates increased (coefficient, 0.006; 95% CI, -0.0010 to 0.0125; P = .093). Year of publication was negatively associated with success rate, whereas the opposite pattern was found for recurrence rates. Conclusions: FESD is a feasible, safe, and effective treatment for symptomatic ZD, with low adverse event and recurrence rates. © 2016 American Society for Gastrointestinal Endoscopy.

Item Type:	Article
Identification Number:	10.1016/j.gie.2016.01.039
Dates:	Date Event 13 January 2016 Accepted 21 January 2016 Published Online 1 June 2016 Published
Subjects:	CAH01 - medicine and dentistry > CAH01-01 - medicine and dentistry > CAH01-01-01 - medical sciences (non-specific)
Divisions:	Faculty of Health, Education and Life Sciences > College of Nursing and Midwifery
Depositing User:	Users 18 not found.
Date Deposited:	08 Nov 2016 12:20
Last Modified:	03 Mar 2022 15:37
URI:	https://www.open-access.bcu.ac.uk/id/eprint/602

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