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 1 Baseline characteristics of patients with colonic diverticular bleeding, n (%)

Variable	All cases (n = 845)	SRH detected (n = 286)	SRH not detected (n = 559)
Age, mean ± SD (years)	77 ± 11	77 ± 11	77 ± 11
Male	545 (64.5)	182 (63.6)	363 (64.9)
BMI, mean ± SD (kg/m²)	22.9 ± 3.8	22.8 ± 3.8	22.9 ± 3.8
Antiplatelet agent use	287 (34.0)	99 (34.6)	188 (33.6)
Anticoagulant agent use	138 (16.3)	47 (16.4)	91 (16.3)
Shock index ≥ 1 on admission	68 (8.0)	25 (8.7)	44 (7.9)
Syncope episode	59 (7.0)	19 (6.6)	40 (7.2)
Colonoscopy within 12 hours	225 (26.6)	94 (32.9)	131 (23.4)
Colonoscopy within 24 hours	520 (61.5)	198 (69.2)	322 (57.6)
History of colectomy	50 (5.9)	12 (4.2)	38 (6.8)
Enema preparation	78 (9.2)	34 (11.9)	44 (7.9)
Laboratory data
White blood cell count, mean ± SD (10⁹/L)	7.5 ± 2.6	7.5 ± 2.6	7.5 ± 2.6
Hemoglobin, mean ± SD (g/dL)	11.2 ± 2.4	11.3 ± 2.5	11.2 ± 2.4
Hematocrit, mean ± SD (%)	34 ± 7.0	34 ± 7.0	34 ± 7.0
CE-CT findings
No extravasation/no CT performed	616 (72.9)	172 (60.1)	444 (79.4)
Right-sided extravasation	129 (15.3)	64 (22.4)	65 (11.6)
Left-sided extravasation	100 (11.8)	50 (17.5)	50 (8.9)
Observation time (minutes), median (IQR)	28 (18-44)	19 (12-28)	33 (22-48)
Successful endoscopic hemostasis	272 (32.0)	272 (95.1)	-

SRH: Stigmata of recent hemorrhage; 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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