Prognostic significance of splenectomy during completion total gastrectomy in patients with remnant gastric cancer: propensity score matching analysis
	    		
		   		
		   			
		   		
	    	
    	- Author:
	        		
		        		
		        		
			        		Seung Hyun BACK
			        		
			        		
			        		
			        			1
			        			
			        		
			        		
			        		
			        		
			        		;
		        		
		        		
		        		
			        		Sung Eun OH
			        		
			        		;
		        		
		        		
		        		
			        		Ji Yeong AN
			        		
			        		;
		        		
		        		
		        		
			        		Min-Gew CHOI
			        		
			        		;
		        		
		        		
		        		
			        		Tae Sung SOHN
			        		
			        		;
		        		
		        		
		        		
			        		Jae Moon BAE
			        		
			        		;
		        		
		        		
		        		
			        		Jun Ho LEE
			        		
			        		
		        		
		        		
		        		
			        		
			        		Author Information
			        		
 - Publication Type:1
 - From: Korean Journal of Clinical Oncology 2021;17(2):96-103
 - CountryRepublic of Korea
 - Language:English
 - 
		        	Abstract:
			       	
			       		
				        
				        	 Purpose:Splenectomy for patients with remnant gastric cancer has been controversial. The purpose of this study is to identify the impact of splenectomy in the treatment of remnant gastric cancer. 
				        	
Methods:We retrospectively analyzed 285 patients with remnant gastric cancer who underwent completion total gastrectomy with or without splenectomy in Samsung Medical Center, between September 1996 and December 2017. We used a 1:1 propensity score matching method for the analysis. The matching factors were age, sex, and pathologic stage. After the matching process, we compared the 5-year overall survival (OS) and the disease-free survival (DFS) between patients with and without splenectomy during completion total gastrectomy.
Results:The median duration of follow-up was 58.0 months (range, 0–132 months). After propensity score matching, there were no statistically significant differences between the splenectomy group (n = 77) and no splenectomy group (n = 77) in terms of clinicopathological features. The 5-year OS rate between the no splenectomy and splenectomy group were not significantly different. There was no significant difference between 5-year DFS of the matched groups. Multivariate analysis revealed that splenectomy is not a significant prognostic factor in terms of 5-year OS (no splenectomy vs. splenectomy; 61.5% vs. 60.2%, P = 0.884) or DFS (74.9% vs. 69.8%, P = 0.880).
Conclusion:Splenectomy has no impact on the OS and DFS in patients with remnant gastric cancer. Splenectomy during completion total gastrectomy may not be necessary. 
            