Small-bowel capsule endoscopy: A ten-point contemporary review

Table 5 Studies looking at the identification rate of the ampulla in capsule endoscopy

Ref.	CE	Type of CE model; Company	AoV seen, n (%)	Reviewers	Reviewing speed (fps)	Frames AoV visible2	Comments
Wijeratne et al[53]1	138	NS	9 (6.0)	1	NS	NS	4 FAP patients (AoV not seen)
Kong et al[54]	110	M2A®; Given®Imaging Ltd.	48 (43.6)	2	15	3.5 ± 2.5
Clarke et al[55]	125	M2A®; Given®Imaging Ltd.	13 (10.4)	2	5	NS
Iaquinto et al[56]	23	PillCam®SB; Given®Imaging Ltd.	0 (0.0)	2	NS	N/A	FAP patients (11/23 had duodenal polyps)
Metzger et al[57]	20	PillCam®SB1; Given®Imaging Ltd.	1 (5.0)	NS	NS	NS	Repeat examinations
		PillCam®SB2; Given®Imaging Ltd.	5 (25.0)	NS	NS	NS
Katsinelos et al[58]	14	NS	0 (0.0)	1	NS	N/A	FAP patients
Nakamura et al[59]	96	PillCam®SB1; Given®Imaging Ltd.	18 (18.0)	2	10	NS
Karagiannis et al[60]	10	PillCam®Colon; Given®Imaging Ltd.	6 (60.0)	NS	NS	NS	Two-headed PillCam®
Lee et al[61]1	30	PillCam®SB; Given®Imaging Ltd.	13 (43.3)	NS	NS	NS
	30	PillCam®SB2; Given®Imaging Ltd.	15 (50.0)	NS	NS	NS
	50	PillCam®SB1; Given®Imaging Ltd.	0 (0.0)	2	NS	N/A
Selby et al[62]	50	PillCam®SB2; Given®Imaging Ltd.	9 (18.0)	2	NS	NS
	8	PillCam®ESO1; Given®Imaging Ltd.	0 (0.0)	2	NS	N/A	Two-headed PillCam®
	12	PillCam®ESO2; Given®Imaging Ltd.	1 (8.0)	2	NS	NS	Two-headed PillCam®
Koulaouzidis et al[63]	11	PillCam®ESO1; Given®Imaging Ltd.	4 (36.4)	1	7	NS	Two-headed PillCam®
	7	PillCam®ESO2; Given®Imaging Ltd.	1 (14.3)	1	9	NS	Two-headed PillCam®
Park et al[64]	30	PillCam®SB; Given®Imaging Ltd.	13 (43.3)	6	7	3.1 ± 1.1
	30	PillCam®SB2; Given®Imaging Ltd.	15 (50.0)	6	9	3.1 ± 1.5
	262	PillCam®SB1; Given®Imaging Ltd.	28 (10.7)	1	6	36.35 ± 73.24
Koulaouzidis et al[65]	148	PillCam®SB2; Given®Imaging Ltd.	13 (8.8)	1	6	42.46 ± 69.3
	209	MiroCam®; IntroMedic Ltd.	18 (8.6)	1	6	87.20 ± 248.4
Friedrich et al[66]	25	CapsoCam®SV1; Capsovision Ltd.	22 (71)	3	NS	3.1 ± 1.8

¹Published only as abstracts;

²mean ± SD. CE: Capsule endoscopy; NS: Not stated; N/A: Not available or not applicable; AoV: Ampulla of Vater; fps: Frames per second; FAP: Familial adenomatous polyposis syndrome.