The Incidence of After Cataract Following Three Different Types of Cataract Surgery in Children: A Meta-Analysis

Possible association of Helicobacter pylori infection with laryngeal cancer risk: an evidence-based meta-analysis

BACKGROUND

Infection with Helicobacter pylori (H. pylori) is a major cause of various gastric diseases and has been reported to play a role in the process of tumorigenesis and progression of gastric carcinoma. However, whether H. pylori infection increases susceptibilities to other cancers is not fully understood. Several studies have been devoted to the relationship between H. pylori infection and laryngeal cancer risk and have yielded conflicting results. In this study, we aimed to evaluate the possible association of H. pylori infection with laryngeal cancer risk.

METHODS

The associated literature was acquired through deliberate searching and selected based on the established inclusion criteria for publications. Extracted data were further analyzed by a systematic meta-analysis.

RESULTS

A total of 15 papers were identified. Of these, five case-control studies were selected. Laryngeal cancer risk for H. pylori infection was 2.03-fold (95% CI=1.28-3.23) (Z=3.00, p<0.01) compared with the controls.

CONCLUSIONS

The pooled data suggest infection with H. pylori as a possible risk factor for laryngeal cancer.

Is the Application of Prostaglandin E1 Effective for the Treatment of Sudden Hearing Loss? An Evidence-based Meta-analysis

Microvascular dysfunction in the cochlea has been considered the major cause of sudden hearing loss (SHL). For some time, prostaglandin E1 (PGE1), an effective vasodilator, has been used to treat patients with SHL, however the benefits of this therapy remain unclear. The present study assessed the efficacy of PGE1 on SHL via a quantitative meta-analysis of 13 randomized controlled studies. The pooled odds ratio was 1.95 (95% confidence interval: 1.53, 2.50) and the test for overall effect ( Z-value) was 5.31 ( P < 0.00001), suggesting that PGE1 is an effective and promising strategy for the treatment of SHL.