Oral purgative and simethicone before small bowel capsule endoscopy

Table 1 Patients’ characteristics and indications for small bowel capsule endoscopy (%)

	Group AOvernight fast(n = 20)	Group BPEG(n = 18)	Group CPEG + simethicone(n = 19)	P value
Age (yr)	51.8 ± 21.6	50.4 ± 17.5	58.4 ± 18.8	0.437
Sex N female (%)	11 (55)	11 (61.1)	9 (47.4)	0.702
Indication				0.403
Occult OGIB	9	7	6
Overt OGIB	5	0	5
Suspected CD	3	6	3
CD	3	2	3
Chronic diarrhea	0	1	1
Suspected SB neoplasia	0	2	1

PEG: Polyethylene glycol; OGIB: Obscure gastrointestinal bleeding; CD: Crohn’s Disease; SB: Small bowel.

Table 2 Transit times, quality of image and relevant endoscopic findings (%)

	Group A overnight fast(n = 20)	Group B PEG (n = 18)	Group C PEG + simethicone(n = 19)	P value
GET (min)	27.8 ± 27.4	27.2 ± 35.2	40.7 ± 32.1	0.381
SBTT (min)	256.4 ± 91	256.1 ± 110	258.1 ± 113	0.998
ICV passing	20 (100)	16 (88.9)	17 (89.5)	0.312
Poor cleansing (< 50% )	7 (35)	3 (16.7)	6 (31.6)	0.417
Fair cleansing (50%-75%)	8 (40)	10 (55.6)	9 (47.4)	0.751
Good cleansing (> 75% although suboptimal)	3 (15)	2 (11.1)	0	0.522
Excellent cleansing	2 (10)	3 (16.7)	4 (21.1)	0.634
“Acceptable” cleansing (includes fair, good or excellent)	13 (65)	15 (83.3)	13 (68.4)	0.417
“Adequate” cleansing (includes good or excellent)	5 (25)	5 (27.8)	4 (21.1)	0.892
Bubbles	10 (50)	5 (27.8)	3 (15.8)	0.065 (A vs C), P = 0.026

PEG: Polyethylene glycol; GET: Gastric emptying time; SBTT: Small bowel transit time; ICV: Ileocecal valve.