Saudi Journal of Gastroenterology
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SYSTEMATIC REVIEW/META ANALYSIS
Year : 2016  |  Volume : 22  |  Issue : 6  |  Page : 399-406

Partial splenic embolization has beneficial effects for the management of gastroesophageal variceal hemorrhage


1 The Hepatosplenic Surgery Center, The First Affiliated Hospital of Harbin Medical University; Department of Interventional Radiology, The Third Affiliated Hospital of Harbin Medical University, Harbin, China
2 Department of Interventional Radiology, The Third Affiliated Hospital of Harbin Medical University, Harbin, China
3 Department of General Surgery, The Fifth Affiliated Hospital of Harbin Medical University, Daqing, China
4 The Hepatosplenic Surgery Center, The First Affiliated Hospital of Harbin Medical University, Harbin, China

Correspondence Address:
Xueying Sun
The Hepatosplenic Surgery Center, The First Affiliated Hospital of Harbin Medical University, Harbin - 150001
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1319-3767.195553

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Background/Aims: Partial splenic embolization (PSE) is used in the management of gastroesophageal variceal hemorrhage (GEVH). However, it is uncertain whether it has beneficial effects for GEVH patients in preventing variceal recurrence and variceal hemorrhage, as well as promoting overall survival (OS), when it is combined with conventional therapies. Materials and Methods: The databases including PubMed, EMBASE, Web of Science, Google scholar, and Cochrane Central Register of Controlled Trials were searched up to 11th of November, 2015. Meta-analyses were performed by using Review Manager 5.3 software for analyzing the risk of bias, Newcastle-Ottawa Scale for assessing the bias of cohort studies, and GRADEprofiler software for assessing outcomes obtained from the meta-analyses. Results: A total of 1505 articles were reviewed, and 1 randomized controlled trial and 5 cohort studies with 244 participants were eligible for inclusion. The pooled hazard ratio (HR) of variceal recurrence is 0.50 (95% confidence interval (CI) 0.37, 0.68; P< 0.00001; I2 = 0%). The pooled HR of variceal hemorrhage is 0.24 (95% CI 0.15, 0.39; P< 0.00001; I2 = 0%). The pooled HR of OS is 0.50 (95% CI 0.33, 0.67; P< 0.00001; I2 = 0%). Meta-analyses demonstrated statistically significant superiority of combinational therapies over conventional therapies in preventing variceal recurrence and variceal hemorrhage and prolonging OS. The complications related to PSE were mild or moderate and nonfatal. Conclusions: The results indicate that PSE has beneficial effects for GEVH patients, however, future investigation with a larger number of subjects in clinical trials is warranted.


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