Effect of a disposable endoscope precleaning kit in the cleaning procedure of gastrointestinal endoscope: A multi-center observational study

doi:10.4253/wjge.v15.i12.705

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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

Observational Study

World J Gastrointest Endosc. Dec 16, 2023; 15(12): 705-714
Published online Dec 16, 2023. doi: 10.4253/wjge.v15.i12.705

Table 1 The test results at all stages for all endoscopes (mean ± SD)

Test method	Endoscopes	Postuse	Postprecleaning	Postmanual cleaning
ATP test (RLU)	Gastroscopes (n = 60)	5313645 ± 3919731	120035 ± 214287^a	1567 ± 1152^b
ATP test (RLU)	Colonoscopes (n = 48)	1235303 ± 1182027	31293 ± 78392^a	1450 ± 1945^c
Residual protein test (μg)	Gastroscopes (n = 88)	102.39 ± 58.09	39.08 ± 19.60^a	32.04 ± 15.63^c
Residual protein test (μg)	Colonoscopes (n = 32)	121.87 ± 68.66	42.80 ± 18.53^a	30.34 ± 10.42^c

^aP < 0.0001 postuse vs postprecleaning.

^bP < 0.0001 postprecleaning vs postmanual cleaning.

^cP < 0.01 postprecleaning vs postmanual cleaning.

ATP: Adenosine triphosphate; RLU: Relative light unit.

Table 2 Comparison of the postuse and postprecleaning adenosine triphosphate and residual protein results (mean ± SD)

Test method	Postuse		Postprecleaning
Test method	Group T (n = 60)¹	Group D (n = 54)²	Group T (n = 60)¹	Group D (n = 54)²
ATP test (RLU)	3536861 ± 3665062	3465218 ± 3643658	116120 ± 236664	45068 ± 44132^a
Residual protein test (μg)	109.01 ± 60.30	106.16 ± 62.95	39.36 ± 17.70	40.78 ± 20.93

^aP < 0.05 group T vs D.

¹Of 30 samples for the adenosine triphosphate test and 30 samples for the residual protein test.

²Of 24 samples for the adenosine triphosphate test and 30 samples for the residual protein test.

ATP: Adenosine triphosphate; RLU: Relative light unit.

Table 3 The adenosine triphosphate and residual protein results after manual cleaning in the different groups (mean ± SD)

Groups		Samples	ATP test (RLU)	Samples	Residual protein test (μg)
T1		24	2141 ± 1913	30	31.27 ± 12.81
Ts	T2	10	2362 ± 1981	10	31.44 ± 14.19
	T3	10	2340 ± 2017	10	29.28 ± 8.46
	T4	10	1795 ± 1406	10	33.67 ± 19.75
	Total	30	2166 ± 1779	30	31.46 ± 14.46
D1		24	756 ± 834	30	30.51 ± 17.95
Ds	D2	10	1083 ± 854	10	28.80 ± 10.64
	D3	10	913 ± 730	10	34.33 ± 12.96
	D4	10	918 ± 956	10	36.18 ± 13.28
	Total	30	971 ± 826	30	34.66 ± 15.50

ATP: Adenosine triphosphate; RLU: Relative light unit.

Citation: Wang YF, Wu Y, Liu XW, Li JG, Zhan YQ, Liu B, Fan WL, Peng ZH, Xiao JT, Li BB, He J, Yi J, Lu ZX. Effect of a disposable endoscope precleaning kit in the cleaning procedure of gastrointestinal endoscope: A multi-center observational study. World J Gastrointest Endosc 2023; 15(12): 705-714
URL: https://www.wjgnet.com/1948-5190/full/v15/i12/705.htm
DOI: https://dx.doi.org/10.4253/wjge.v15.i12.705