Kamikawa anastomosis in proximal gastrectomy for gastric cancer: A systematic review and meta-analysis

Table 1 Characteristics of included studies

Ref.	Country	Study period	Design	No. patients	Age1	Sex, M/F	Approach	Reconstruction techniques
Shibasaki et al[26], 2017	Japan	2014-2015	Single-center retrospective study	12	67	9/3	RPG	Kamikawa
Kumamoto et al[27], 2021	Japan	2011-2016	Single-center retrospective study	34	64.3	30/4	OPG	Kamikawa/JI
Wu et al[30], 2024	China	2020-2022	Single-center retrospective study	42	68.3	34/8	LPG	Kamikawa/DTR
Kuroda et al[19], 2016	Japan	2011-2015	Single-center retrospective study	33	73	26/7	LPG	Kamikawa
Nishimura et al[28], 2023	Japan	2011-2018	Single-center retrospective study	43	67	31/4	LPG	Kamikawa/DTR
Saze et al[29], 2021	Japan	2005-2020	Single-center retrospective study	60	70.1	45/15	LPG, RPG	Kamikawa/DTR/JIP
Kuroda et al[18], 2019	Japan	1996-2015	Multi-center retrospective study	546	68.2	407/139	OPG, LPG	Kamikawa
Hosoda et al[23], 2019	Japan	2015-2018	Single-center retrospective study	91	69.5	36/38	LPG	Kamikawa/OrVil
Shoji et al[25], 2019	Japan	2013-2017	Single-center retrospective study	147	67	113/34	LPG	Kamikawa
Wu et al[24], 2024	China	2016-2022	Single-center retrospective study	268	69	186/82	LPG	Kamikawa/LTG-Roux-en-Y
Hayami et al[31], 2017	Japan	2013-2014	Single-center retrospective study	90	72	65/25	LPG	Kamikawa/LTG-Roux-en-Y
Long et al[32], 2022	Japan	2018-2021	Single-center retrospective study	14	54	10/4	LPG	Kamikawa
Yu et al[15], 2022	Korea	2014-2018	Single-center retrospective study	69	63.2	50/19	LPG	Kamikawa/DTR
Kuroda et al[33], 2024	Japan	NA	Multi-center prospective study	39	72.3	28/11	LPG	Kamikawa
Kano et al[39], 2020	Japan	2006-2015	Single-center retrospective study	161	71	110/48	LPG	Kamikawa/LTG-Roux-en-Y
Matsuo et al[34], 2023	Japan	2013-2021	Single-center retrospective study	80	69	63/17	LPG, RPG	Kamikawa
Ri et al[35], 2021	Japan	2013-2017	Single-center retrospective study	158	68	123/35	LPG	Kamikawa
Hu et al[36], 2024	Japan	2009-2023	Single-center retrospective study	313	68	241/72	LPG, RPG	Kamikawa
Tsumura et al[37], 2020	Japan	2011-2014	Single-center retrospective study	36	71.2	27/9	LPG	Kamikawa/LTG-Roux-en-Y
Shibamoto et al[38], 2023	Japan	2017-2021	Single-center retrospective study	55	65.3	35/20	LPG	Kamikawa/LTG-Roux-en-Y

¹Data were show as mean or median.

RPG: Robotic proximal gastrectomy; LPG: Laparoscopic proximal gastrectomy; OPG: Open proximal gastrectomy; JI: Jejunal interposition; DTR: Double tract reconstruction; NA: Not available; JPI: Jejunal pouch interposition; LTG: Laparoscopic total gastrectomy.