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Occurrence of Dumping Syndrome After Esophageal Cancer Surgery: Systematic Review and Meta-analysis
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Occurrence of Dumping Syndrome After Esophageal Cancer Surgery: Systematic Review and Meta-analysis
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Journal Article
Occurrence of Dumping Syndrome After Esophageal Cancer Surgery: Systematic Review and Meta-analysis
2025
Overview
Background
Dumping syndrome occurs frequently after esophageal cancer surgery, but the reported prevalence varied across previous studies. This systematic review and meta-analysis aimed to clarify the prevalence of dumping syndrome after esophageal cancer surgery, particularly exploring the sources of heterogeneity in previous studies.
Methods
A comprehensive literature search was conducted in PubMed, MEDLINE, Web of Science, Embase, and the Cochrane Library databases, supplemented by hand-search of reference lists, through March 2023. Random-effects meta-analysis estimated the average prevalence of dumping syndrome after esophageal cancer surgery. Heterogeneity across studies was examined by the
I
2
statistic and Cochran’s
Q
test.
Results
Among the 2949 articles retrieved from the databases, 16 articles (15 cohort studies and 1 randomized controlled trial) met the inclusion criteria. The prevalence of dumping syndrome ranged 0–74% in these studies, showing high heterogeneity (
I
2
= 99%,
P
< 0.01), with the pooled prevalence of 27% (95% confidence interval [CI] 14–39%). The pooled prevalence in the three studies using specialized questionnaires was 67% (95% CI 60–73%), with reduced heterogeneity (
I
2
= 43%,
P
= 0.17). The prevalence also varied by year of publication, study population, and length and completeness of follow-up.
Conclusions
Our findings revealed that dumping syndrome is common after esophageal cancer surgery. The varying prevalence across previous studies was probably owing to differences in measurement of dumping syndrome. Using specific patient reported outcome questionnaires is recommended for future investigations on dumping syndrome after esophageal cancer surgery.
Publisher
Springer International Publishing,Springer Nature B.V
