Clinical Experience with the PillCam Patency Capsule prior to Video Capsule Endoscopy: A Real-World Experience
Table 2
PC and VCE findings: transit time of the PC shown by observed natural excretion, negative RFID-scan, or projection of the PC to the colon via radiological examination. Furthermore the findings of the VCE are shown. No complications appeared during the VCE.
Totally performed PC
38
Natural excretion
No observed excretion
22 (58%)
Observed excretion
16 (42%)
PC with transit time <30 hours
8
Mean time to observed excretion
34 hours
RFID-scan
Total
22
Not possible (ICD, pacemaker)
2
Negative
6 (27%)
Positive
16 (73%)
Mean time performed after
33 hours
Abdominal X-ray examinations
Total
17
Negative
13 (76%)
Uncertain, so a CT was performed afterwards
1 (6%)
Positive
3 (18%)
Mean time performed after
45 hours
Transit time of the 38 performed PCs
PC with transit time <30 hours
8 (21%)
PC with transit time >30 hours and <72 hours
28 (74%)
PC with transit time >72 hours or retention
2 (5%)
VCE
No VCE after PC
6 (16%)
VCE after PC
32 (84%)
VCE findings
No pathologic finding
10 (31%)
Angiodysplasia
8 (25%)
Active bleeding
2 (6%)
Crohn’s disease typical findings
7 (22%)
NSAID enteropathy typical findings
2 (6%)
Unspecific inflammation/ulcers
2 (6%)
Malignoma of the duodenum
1 (3%)
Complications
0 (0%)
Mean small bowel passage time
4.4 hours
PC: patency capsule, RFID: radiofrequency identification, VCE: video capsule endoscopy, CR: capsule retention, and NSAID: nonsteroidal anti-inflammatory drug.