Minimum colonoscopy observation time for colonic diverticular bleeding: A new benchmark based on the 5% plateau time

doi:10.3748/wjg.v31.i40.112033

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World Journal of Gastroenterology

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1007-9327

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

Observational Study

World J Gastroenterol. Oct 28, 2025; 31(40): 112033
Published online Oct 28, 2025. doi: 10.3748/wjg.v31.i40.112033

Table 3 Comparison of patient characteristics and outcomes across endoscopists performing ≥ 10% of procedures, n (%)

Endoscopists	A (n = 113)	B (n = 141)	C (n = 88)	D (n = 161)	P value
SRH detected	49 (43.4)	73 (51.8)	23 (26.1)	37 (23.0)	< 0.001^a
Observation time (minutes), median (IQR)	20 (14-33)	27 (18-45)	39 (24-51)	23 (16-36)	< 0.001^b
5% plateau time (minutes)	40	40	45	35	-
Age, mean ± SD (years)	79 ± 10	77 ± 11	78 ± 10	76 ± 13	0.42
Male	73 (64.6)	89 (63.1)	45 (51.1)	107 (66.5)	0.10
BMI, mean ± SD (kg/m²)	22.2 ± 3.5	22.7 ± 3.5	23.1 ± 4.2	22.7 ± 3.6	0.28
Antiplatelet agent use	42 (37.2)	53 (37.6)	20 (22.7)	38 (23.6)	0.01^c
Anticoagulant agent use	22 (19.5)	17 (12.1)	17 (19.3)	30 (18.6)	0.31
Shock index ≥ 1 on admission	11 (9.7)	7 (5.0)	6 (6.8)	17 (10.6)	0.29
Colonoscopy within 12 hours	33 (29.2)	31 (22.0)	16 (18.2)	41 (25.5)	0.28
History of colectomy	6 (5.3)	6 (4.3)	5 (5.7)	9 (5.6)	0.95
Enema preparation	14 (12.4)	11 (7.8)	5 (5.7)	14 (8.7)	0.38
CE-CT findings					0.04^d
No extravasation/no CT performed	76 (67.3)	100 (70.9)	68 (76.1)	123 (76.4)
Right-sided extravasation	26 (23.0)	17 (12.1)	9 (10.2)	25 (15.5)
Left-sided extravasation	11 (9.7)	24 (17.0)	11 (12.5)	13 (8.1)

^aP < 0.001 for comparison of stigmata of recent hemorrhage detection rate among endoscopists.

^bP < 0.001 for comparison of observation time among endoscopists.

^cP < 0.05 for comparison of antiplatelet agent use among endoscopists.

^dP < 0.05 for comparison of contrast-enhanced computed tomography findings among endoscopists.

IQR: Interquartile range; BMI: Body mass index; SRH: Stigmata of recent hemorrhage; CE-CT: Contrast enhanced computed tomography; CT: Computed tomography.

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Citation: Ichita C, Goto T, Nishino T, Nakaya S, Shimizu S. Minimum colonoscopy observation time for colonic diverticular bleeding: A new benchmark based on the 5% plateau time. World J Gastroenterol 2025; 31(40): 112033
URL: https://www.wjgnet.com/1007-9327/full/v31/i40/112033.htm
DOI: https://dx.doi.org/10.3748/wjg.v31.i40.112033

Ichita C, Goto T, Nishino T, Nakaya S, Shimizu S. Minimum colonoscopy observation time for colonic diverticular bleeding: A new benchmark based on the 5% plateau time. World J Gastroenterol 2025; 31(40): 112033 [PMID: 41180987 DOI: 10.3748/wjg.v31.i40.112033]

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