Journal
DIABETOLOGY & METABOLIC SYNDROME
Volume 13, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s13098-021-00627-6
Keywords
Metabolic syndrome; Esophageal cancer; Meta-analysis
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This meta-analysis indicates a relationship between metabolic syndrome and esophageal adenocarcinoma (EAC), with hyperglycemia, hypertension, and obesity potentially playing key roles among the individual components of metabolic syndrome.
Objective Many clinical studies evaluating the relationship between metabolic syndrome and esophageal cancer yielded uncertain results. The purpose of this study is to systematically assess the relationship between metabolic syndrome and esophageal cancer. Methods We searched clinical studies on metabolic syndrome and esophageal cancer risk in PubMed, Embase, and the Cochrane Library. Meta-analysis was conducted by RevMan 5.3 softwares. Results A total of four cohort studies and two case-control studies met eligibility criteria and were included in the meta-analysis. Meta-analysis using a fixed-effect model indicated that MetS was related with a higher risk of EC (OR: 1.16, 95% CI 1.08-1.25). Subgroup analyses grouped by pathological types showed that MetS was related with a higher risk of EAC (OR: 1.19, 95% CI 1.10-1.28). Subgroup analyses grouped by metabolic conditions showed hyperglycemia (OR: 1.12, 95% CI 1.03-1.21),hypertension (OR: 1.23, 95% CI 1.04-1.46), obesity (OR: 1.40, 95% CI 1.22-1.60, P < 0.05) were related with a higher risk of EAC. Conclusions Overall, our meta-analysis provides high quality evidence that metabolic syndrome was related with a higher risk of EAC. Among the individual components of the metabolic syndrome, hyperglycemia, hypertension and obesity may be the key factors.
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