Preoperative esophagogastroduodenoscopy in patients without reflux symptoms undergoing laparoscopic sleeve gastrectomy: utility or futility?

Figures & data

Table 1 Preoperative variables and patient characteristics

Preoperative Variables and Patient Characteristics	Group A N1 (% from Group A)	Group B N2 (% from Group B)	p-value
Sex^a			NS
Males	25 (22.5)	20 (18.5)
Females	86 (77.5)	88 (81.5)
Age (Mean ± S.E)^b	36.21±1.1	36.08±1.0	NS
BMI (Mean ± S.E)^b	43.16±0.75	43.02±0.63	NS
EGD findings with the resultant biopsy
Normal EGD with no biopsy	86 (77.5)	n/a	-
Suspicious areas with biopsy result in active gastritis	21 (18.9)	n/a	-
Suspicious areas with normal biopsy	3 (2.7)	n/a	-
Reflux esophagitis proved by biopsy	1 (0.9)	n/a	-

Notes: Group A: with EGD, group B: without EGD; N1=111; N2=108. Statistical tests: ^aChi-square test; ^bIndependent-samples t-test.

Abbreviations: n, number; P, probability; NS, not significant; BMI, Body Mass Index; EGD, Esophagogastroduodenoscopy; S.E, standard error.

Table 2 Postoperative variables related to LSG with versus without EGD

Postoperative Variables	Group A N1 (% from Group A)	Group B N2 (% from Group B)	p-value
Complication^a			NS
Bleeding	2 (1.8)	1 (0.9)
Leak	0 (0)	1 (0.9)
Gastric histopathology results^b
Normal	39 (35.1)	54 (50.0)	NS
Active gastritis	15 (13.5)	32 (29.6)	<0.01
Chronic gastritis	56 (50.5)	22 (20.4)	<0.01
Intestinal metaplasia	1 (0.9)	0 (0.0)	NS
Length of hospitalization (d) (mean ± S.E)^c	3.01±0.6	3.14±0.8	NS
Symptomatic GERD at 1-year^a	13 (11.7)	10 (9.3)	NS

Notes: Group A: with EGD, group B: without EGD. N1=111; N2=108 Statistical tests: ^achi-square test; ^bchi-square test with post-hoc residual analysis; ^cindependent-samples t test.

Abbreviations: N, number; d, days; P, probability; NS, not significant; S.E, standard error.

Data availability

The datasets generated and analyzed during the current study are available from the corresponding author.