Anti-reflux effects of a novel esophagogastric asymmetric anastomosis technique after laparoscopic proximal gastrectomy

Table 1 Preoperative data and clinical outcome of the patients

Case	Age	Gender	Preoperative BMI	Operation method	Siewert type	Operation time (min)	Anastomosis time (min)	Blood loss (mL)	Final TNM	Final stage1	Discharge (POD)	Operative morbidity	Reflux esophagitis	Postoperative BMI	Symptom of reflux	Postoperative follow-up (mo)
1	68	F	32.4	LPG	II	340	45	200	T2N0M0	IB	12	None	Class LA-B	33.5	+	19
2	57	F	27	LPG	III	360	55	100	T1N0M0	IA	17	None	Class LA-B	23.2	+	18
3	65	M	22.5	LPG	II	315	50	150	T1N0M0	IA	12	None	None	23.7	None	18
4	64	M	22.1	LPG	II	260	40	50	T1N0M0	IA	10	None	None	22.1	None	18
5	67	M	24.6	LPG	II	290	45	50	T1N0M0	IA	11	None	None	24.9	None	12
6	63	M	25.1	LPG	II	270	45	50	T3N1M0	IIB	45	Grade II Anastomotic leakage	None	25.1	None	9
7	77	M	26.1	LPG	II	320	50	100	T3N0M0	IIA	14	None	None	24.4	None	9
8	71	F	21.3	LPG	II	280	45	100	T1N0M0	IA	18	None	None	22.6	None	9
9	66	M	23.5	LPG	I	200	35	100	T1N0M0	IA	15	None	None	23.5	None	7
10	57	F	25.2	LPG	II	350	50	100	T3N0M0	IIA	11	None	None	22.3	None	5
11	57	M	21.5	LPG	II	330	40	50	T2N1M0	IIB	43	Grade II Anastomotic leakage	None	20.3	None	4
12	72	M	24.4	LPG	II	340	45	50	T1N0M0	IA	18	None	None	24.4	None	3
13	78	M	22.9	LPG	II	300	40	50	T1N0M0	IA	24	None	None	22.9	None	2
mean ± SD	66.3 ± 6.993		24.51 ± 2.953			304.2 ± 44.34	45.00 ± 5.401	88.46 ± 46.34			19.23 ± 11.66			24.07 ± 3.121		10.23 ± 6.207

¹Staging was performed according to the 7^th edition of the International Union against Cancer tumor–node–metastasis staging system for gastric cancer.

M: Male; F: Female; LPG: Laparoscopic proximal gastrectomy; TNM: Tumor–node–metastasis; POD: Postoperative day.