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Systematic review with meta-analysis: ultra-thin gastroscopy compared to conventional gastroscopy for the diagnosis of oesophageal varices in people with cirrhosis.

Abstract：

BACKGROUND:Haemorrhage from ruptured oesophageal varices is a common cause of death in people with cirrhosis. Guidelines recommend screening for varices at time of cirrhosis diagnosis and throughout the course of the disease. Conventional gastroscopy is the criterion standard for variceal screening; however, is invasive, costly, and carries risks related to use of sedation. Ultra-thin gastroscopy (using endoscopes with a shaft diameter ≤6 mm) has been proposed as an alternative method of variceal screening that mitigates these risks. AIM:To determine the diagnostic accuracy of ultra-thin gastroscopy compared to conventional gastroscopy for the diagnosis of varices in people with cirrhosis. METHODS:MEDLINE, EMBASE and Cochrane library databases were searched for studies that evaluated the accuracy of ultra-thin gastroscopy compared to conventional gastroscopy in the diagnosis of oesophageal varices. RESULTS:Ten studies, 7 in known cirrhosis, with 752 participants were included in this systematic review. The overall prevalence of oesophageal varices was 42%. On bivariate modelling, pooled estimates of sensitivity and specificity were 98% (95% CI 93%-99%) and 96% (95% CI 91%-99%) respectively. The positive and negative likelihood ratios were 28 (95% CI 10.7-73.2) and 0.02 (95% CI 0.01-0.72) respectively. Kappa coefficient for inter-observer agreement for any varices ranged from 0.45 to 0.90. No serious adverse events related to ultra-thin gastroscopy were reported. CONCLUSIONS:Ultra-thin gastroscopy is accurate in the diagnosis of oesophageal varices, safe and well tolerated. It is a valid alternative to conventional gastroscopy for the screening and surveillance of varices in people with cirrhosis.

journal_name

Aliment Pharmacol Ther

journal_title

Alimentary pharmacology & therapeutics

authors

Wickremeratne T,Turner S,O'Beirne J

doi

10.1111/apt.15282

subject

Has Abstract

pub_date

2019-06-01 00:00:00

pages

1464-1473

issue

eissn

0269-2813

issn

1365-2036

journal_volume

pub_type

杂志文章,meta分析

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Systematic review with meta-analysis: ultra-thin gastroscopy compared to conventional gastroscopy for the diagnosis of oesophageal varices in people with cirrhosis.