Optimal Bowel Preparation for Video Capsule Endoscopy

Table 4

Studies comparing SBVQ, DY, and CR between simethicone versus clear liquid or fasting of small bowel VCE.

Author; (year, area)	Design	Number	Simethicone versus clear liquid diet or fasting
			SBVQ	DY	CR
Albert et al. [22]; (2004, Germany)	Prospective RCT	36	72% versus 22%	N/A	N/A
Ge et al. [23]; (2006, China)	Prospective RCT	56	57% versus 25%	N/A	64.3% versus 75%
Author; (year, area)	Design	No.	PEG + simethicone versus clear liquid diet or fasting
			SBVQ	DY	CR
Fang et al. [25]; (2009, China)	Prospective RCT	64	98% versus 68%	N/A	N/A
Spada et al. [26]; (2010, Italy)	Prospective RCT	58	42% versus 43%	62% versus 72.4%	66.6% versus 70%
Rosa et al. [13]; (2013, Portugal)	Prospective RCT	60	68.4% versus 65%	57.8% versus 44.4%	89.5% versus 88.9%

PEG: polyethylene glycol, VCE: video capsule endoscopy, RCT: randomized-controlled trial, SBVQ: small bowel visualization quality, DY: diagnostic yield, CR: completion rate, N/A: not applicable, and NS: no significant.