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JOURNAL ARTICLE
REVIEW
Variations in the origin of the right gastric artery: a systematic review and meta-analysis.
Surgical and Radiologic Anatomy : SRA 2023 April 7
PURPOSE: The right gastric artery (RGA) supplies the lesser curvature of the stomach. The prevalence of variations in RGA origins can be of interests to students, surgeons, and radiologists who wish to increase their understanding of this vessel. The aim of this study was to perform a systematic review and meta-analysis on the origin of the RGA.
METHODS: The PRISMA 2020 checklist was followed. Electronic databases, currently registered studies, conference proceedings and the reference lists of included studies were searched. There were no constraints based on language or publication status. Database search, data extraction and risk of bias assessment were performed independently by two authors. A random-effects meta-analysis of the prevalence of different RGA origins was conducted.
RESULTS: A total of 9084 records were screened in the initial search. Fifteen studies were included, assessing 1971 right gastric arteries. The RGA arose most frequently from the Proper Hepatic Artery (PHA), with a pooled prevalence of 53.6% (95% CI 44.5-60.8%), followed by the Left Hepatic Artery (LHA) with a pooled prevalence of 25.9% (95% CI 18.6-32.8%), and the Gastroduodenal Artery (GDA) with a pooled prevalence of 8.89% (95% CI 4.62-13.9%). Less common origins were the Common Hepatic Artery (CHA) (6.86%, 95% CI 3.15-11.5%), the Right Hepatic Artery (RHA) (3.43%, 95% CI 0.93-7.04%), and Middle Hepatic Artery (MHA) (1.31%, 95% CI 0-3.44%).
CONCLUSIONS: This meta-analysis provides an accurate estimate of the prevalence of different RGA origins. Anatomical knowledge combined with pre-operative planning and imaging can prevent iatrogenic injury during surgery.
METHODS: The PRISMA 2020 checklist was followed. Electronic databases, currently registered studies, conference proceedings and the reference lists of included studies were searched. There were no constraints based on language or publication status. Database search, data extraction and risk of bias assessment were performed independently by two authors. A random-effects meta-analysis of the prevalence of different RGA origins was conducted.
RESULTS: A total of 9084 records were screened in the initial search. Fifteen studies were included, assessing 1971 right gastric arteries. The RGA arose most frequently from the Proper Hepatic Artery (PHA), with a pooled prevalence of 53.6% (95% CI 44.5-60.8%), followed by the Left Hepatic Artery (LHA) with a pooled prevalence of 25.9% (95% CI 18.6-32.8%), and the Gastroduodenal Artery (GDA) with a pooled prevalence of 8.89% (95% CI 4.62-13.9%). Less common origins were the Common Hepatic Artery (CHA) (6.86%, 95% CI 3.15-11.5%), the Right Hepatic Artery (RHA) (3.43%, 95% CI 0.93-7.04%), and Middle Hepatic Artery (MHA) (1.31%, 95% CI 0-3.44%).
CONCLUSIONS: This meta-analysis provides an accurate estimate of the prevalence of different RGA origins. Anatomical knowledge combined with pre-operative planning and imaging can prevent iatrogenic injury during surgery.
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