Laparoscopy-assisted total gastrectomy with trans-orally inserted anvil (OrVilTM): A single institution experience

Table 1 Characteristics of patients

Case	Gender	Age (yr)	NRS score	BMI	Previous abdominal operation	Comorbidity
1	Female	46	5	27.2	No	Urinary lithiasis
2	Male	77	7	24.1	No	No
3	Male	65	8	21.4	Appendectomy	No
4	Male	61	4	26.4	No	No
5	Male	62	5	22.1	Cholecystotomy	No
6	Female	71	8	20.9	No	Gout; high blood pressure
7	Male	48	5	24.4	No	No
9	Male	62	5	23.7	Cesarean section	Hepatic cyst; high blood pressure; cholecystolithiasis
10	Male	60	2	23.8	No	No
11	Female	55	2	23.2	No	No
12	Female	52	8	17.4	Cesarean section	No
13	Male	70	2	21.5	No	No
14	Male	54	3	20.5	No	Urinary lithiasis; urinary infection
15	Male	42	7	18.8	Gastrectomy
16	Male	72	3	24.8	No
17	Male	61	6	22.1	No	High blood pressure
18	Female	63	2	20.8	Appendectomy
19	Male	66	5	19.2	No
mean	NA				NA	NA

BMI: Body mass index; NRS: Nutritional risk screening (2002); NA: Not available.

Table 2 Comparisons of characteristics between trans-orally inserted anvil group and mini-laparotomy group

	OrVilTM group (n = 21)	Mini-laparotomy group (n = 6)	P value
Total operation time (min)	198 (180-320)	240 (230-290)	0.018
Total blood loss (mL)	130 (100-400)	140 (100-300)	0.211
Abdominal incision (cm)	4.3 (4-6)	6.4 (5.5-7.0)	0.022
Complications of anastomosis	2	0	1.000
Stenosis	1	0	1.000
Leakage	1	0	1.000

In square brackets: Range. OrVil^TM: Trans-orally inserted anvil.