Evidence to suggest adoption of water exchange deserves broader consideration: Its pain alleviating impact occurs in 90% of investigators

doi:10.4253/wjge.v8.i2.113

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World Journal of Gastrointestinal Endoscopy

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1948-5190

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastrointest Endosc. Jan 25, 2016; 8(2): 113-121
Published online Jan 25, 2016. doi: 10.4253/wjge.v8.i2.113

Table 5 Pain during insertion, patients’ tolerance and sedation, n (%)

	WE (n = 371)	WI (n = 338)	AICD (n = 382)	P value
Painless unsedated colonoscopy²	50 (13.5)	26 (7.7)	23 (6.0)	WE vs WI 0.013¹
				WE vs AICD < 0.0005¹
				WI vs AICD 0.374¹
Unsedated, completed with only discomfort²	134 (36.1)	106 (31.4)	87 (22.8)	WE vs WI 0.180¹
				WE vs AICD < 0.0005¹
				WI vs AICD 0.009¹
Completed without sedation	321 (86.5)	287 (84.9)	292 (76.4)	WE vs WI 0.537¹
				WE vs AICD < 0.0005¹
				WI vs AICD 0.004¹
On-demand sedation	50 (13.5)	51 (15.1)	90 (23.6)	WE vs WI 0.537¹
				WE vs AICD < 0.0005¹
				WI vs AICD 0.004¹

¹χ²;

²Pain score based on numeric rating scale (NRS): 0 = absence of pain, 1-2 = discomfort, 10 = maximum pain. n: Number of patients; WE: Water exchange for insertion, insufflation with air or CO₂ for withdrawal; WI: Water immersion for insertion, insufflation with air or CO₂ for withdrawal; AICD: Insufflation with air or CO₂ for insertion and withdrawal; SD: Standard deviation.

Citation: Cadoni S, Liggi M, Falt P, Sanna S, Argiolas M, Fanari V, Gallittu P, Mura D, Porcedda ML, Smajstrla V, Erriu M, Leung FW. Evidence to suggest adoption of water exchange deserves broader consideration: Its pain alleviating impact occurs in 90% of investigators. World J Gastrointest Endosc 2016; 8(2): 113-121
URL: https://www.wjgnet.com/1948-5190/full/v8/i2/113.htm
DOI: https://dx.doi.org/10.4253/wjge.v8.i2.113