Should peri-gastrectomy gastric acidity be our focus among gastric cancer patients?

Table 4 Gastrointestinal juice contents pre- and 6 mo post-gastrectomy in the 3 groups

Gastric juice content	Way of gastrectomy	Pre-gastrectomy	Six months post-gastrectomy
Potassium ion (mmol/L)	TG	11.77 ± 4.41	16.54 ± 11.80
	DG	14.18 ± 5.70	12.65 ± 5.90
	PG	16.80 ± 7.17	16.80 ± 6.55
Sodium ion (mmol/L)	TG	56.16 ± 34.09	111.68 ± 36.06
	DG	78.68 ± 21.71	104.10 ± 23.27
	PG	54.32 ± 25.44	89.06 ± 27.44
Bicarbonate ion (mmol/L)	TG	1.05 ± 0.52	4.36 ± 2.51
	DG	1.19 ± 0.47	3.28 ± 2.09
	PG	1.19 ± 0.58	3.58 ± 2.25
Urea nitrogen (mmol/L)	TG	3.63 ± 0.83	10.60 ± 6.00
	DG	4.80 ± 1.58	9.74 ± 4.83
	PG	4.42 ± 1.80	7.17 ± 4.39
Direct bilirubin (μmol/L)	TG	0.17 ± 0.16	0.87 ± 1.40
	DG	0.14 ± 0.17	2.20 ± 1.92
	PG	0.16 ± 0.21	1.39 ± 1.43
Indirect bilirubin (μmol/L)	TG	0.49 ± 0.55	13.61 ± 12.74
	DG	0.64 ± 0.65	17.85 ± 11.91
	PG	0.61 ± 0.65	23.41 ± 17.56
Total bile acid (μmol/L)	TG	1.98 ± 1.32	187.13 ± 199.14
	DG	3.00 ± 1.08	212.94 ± 103.39
	PG	2.73 ± 1.00	232.21 ± 126.40

TG: Total gastrectomy; DG: Distal gastrectomy; PG: Proximal gastrectomy.