Assessment of multi-modality evaluations of obscure gastrointestinal bleeding

doi:10.3748/wjg.v23.i4.614

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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

Retrospective Cohort Study

World J Gastroenterol. Jan 28, 2017; 23(4): 614-621
Published online Jan 28, 2017. doi: 10.3748/wjg.v23.i4.614

Table 1 Patient characteristics n (%)

	DBE negative	DBE positive	Total	P value
	(n = 164)	(n = 331)	(n = 495)	P value
Age at DBE, median (range)	65.0 (18.1-95.4)	69.5 (18.3-91.8)	68.2 (18.1-95.4)	0.005¹
Gender				0.104²
Male	71 (43.3)	169 (51.1)	240 (48.5)
Female	93 (56.7)	162 (48.9)	255 (51.5)
Altered anatomy				0.736²
None	125 (76.2)	249 (75.2)	374 (75.6)
Roux-en-Y	13 (7.9)	21 (6.3)	34 (6.9)
Billroth/Ileo-colonic/IPAA	7 (4.3)	21 (6.3)	28 (5.7)
Other	19 (11.6)	40 (12.1)	59 (11.9)
On warfarin	19 (11.6)	36 (10.9)	55 (11.1)	0.813²
On clopidogrel	7 (4.3)	20 (6.0)	27 (5.5)	0.413²
On ASA 325	49 (29.9)	118 (35.6)	167 (33.7)	0.201²
VCE performed within 1 yr prior to DBE	47 (29.4)	130 (40.9)	177 (36.9)
MPCTE performed within 1 yr prior to DBE	31 (19.4)	53 (16.7)	84 (17.5)
VCE and MPCTE performed within 1 yr prior to DBE	67 (41.9)	113 (35.5)	180 (37.8)
DBE performed without VCE and MPCTE done	15 (9.4)	22 (6.9)	37 (7.7)
Type of OGIB				0.728²
Overt	82 (50.0)	171 (51.7)	253 (51.1)
Occult	82 (50.0)	160 (48.3)	242 (48.9)
Type of approach of DBE				< 0.001²
Anterograde	103 (62.8)	268 (81.0)	371 (74.9)
Retrograde	61 (37.2)	63 (19.0)	124 (25.1)
Total enteroscopy done	9 (5.5)	15 (4.5)	24 (4.8)	0.641²
Procedure location				0.393²
Inpatient	34 (20.7)	80 (24.2)	114 (23.0)
Outpatient	130 (79.3)	251 (75.8)	381 (77.0)

¹Kruskal Wallis;

²χ². VCE: Video capsule endoscopy; MPCTE: Multiphase computed tomography enterography; DBE: Double balloon enteroscopy; IPAA: Ileal pouch-anal anastomosis; OGIB: Obscure gastrointestinal bleeding.

Citation: Law R, Varayil JE, WongKeeSong LM, Fidler J, Fletcher JG, Barlow J, Alexander J, Rajan E, Hansel S, Becker B, Larson JJ, Enders FT, Bruining DH, Coelho-Prabhu N. Assessment of multi-modality evaluations of obscure gastrointestinal bleeding. World J Gastroenterol 2017; 23(4): 614-621
URL: https://www.wjgnet.com/1007-9327/full/v23/i4/614.htm
DOI: https://dx.doi.org/10.3748/wjg.v23.i4.614