Small bowel capsule endoscopy in patients with cardiac pacemakers and implantable cardioverter defibrillators: Outcome analysis using telemetry review

Table 1 Pacemakers and implantable cardioverter defibrillators studied

Patient	Manufacturer	Device	Model	Implanted	Mode	Polarity
No. 1	Medtronic	ICD	Virtuoso DR	Oct. 2006	AAI↔DDD	Bipolar
No. 2	St Jude	CP	Integrity AF pacesetter	Aug. 2001	DDDR	Bipolar
No. 3	Medtronic	ICD	Concerto DWK	Apr. 2007	DDD→VOO	Bipolar
No. 4	Medtronic	CP	Enrhythm DR	Feb. 2006	AAI↔DDD →VOO	Bipolar
No. 5	St Jude	CP	Integrity DR	Aug. 2003	DDDR	Bipolar
No. 6	Medtronic	ICD	Concerto DWK	Oct. 2007	DDD→VOO	Bipolar
No. 7	Medtronic	CP	Kappa KDR901	Oct. 2004	DDDR	Bipolar
No. 8	St Jude	CP	Affinity SR pacesetter	Sept.2000	VVIR	Unipolar
No. 9	St Jude	CP	Integrity DR	Mar. 2003	DDDR	Bipolar
No. 10	Medtronic	ICD	Virtuoso VR	Jun. 2007	VVIR→ OO	Bipolar
No. 11	Medtronic	CP	Sigma SSR		VVIR→ OO	Bipolar
No. 12	St Jude	ICD	Atlas HF	Feb. 2004	DDDR→ OO	Bipolar
No. 13	Medtronic	CP	Enrhythm DR	Aug. 1997	DDDR	Bipolar
No. 14	Medtronic	CP	EnpulseE2DR01	Oct. 2004	DDD→ OO	Bipolar
No. 15		CP
No. 16		CP
No. 17
No. 18
No. 19	ELA	CP	Brio	Sept. 2003	DDD	Bipolar
No. 20	Medtronic	CP	Enrhythm DR	Aug. 2006	DDDR↔AAIR→ DOO	Bipolar

Blank spaces represent information that was unavailable. PPM: Permanent pacemaker; ICD: Implantable cardioverter defibrillator; CP: Permanent pacemaker.

Table 2 Summary of important events observed on telemetry monitoring

Patient	Device	Mode	Polarity	Induction of asynchronous mode	Undersensing	Oversensing	Threshold change	Symtoms	Holter findings
No. 1	ICD	AAI↔DDD	Bipolar	No, occassional v-pacing on demand	No	No	No	No	PVC2
No. 2	CP	DDDR	Bipolar	No, occasional a-pacing and v-pacing on demand	Yes1	No	No	No	A fib1, PVC1, Nonsustained VT1
No. 3	ICD	VOO	Bipolar	NA	NA	NA	No	No	Nonsustained VT1, PVC1,
No. 4	CP	VOO	Bipolar	NA	NA	NA	No	No	A fib1, PVC
No. 5	CP	DDDR	Bipolar	No, a-pacing and v-pacing on demand	Yes1	No	No	No	A fib1, PVC1,
No. 6	ICD	VOO	Bipolar	NA	NA	NA	No	No	PVC1
No. 7	CP	DDDR	Bipolar	No. Intrinsic rhythm without paced beats	No	No	No	No	No events
No. 8	CP	VVIR	Unipolar	No, 100% v-paced on demand1	No	No	No	No	No events
No. 9	CP	DDDR	Bipolar	No, 100% a-paced on demand1	No	No	No	No	No events
No. 10	ICD	VOO	Bipolar	NA	NA	NA	No	No	No events
No. 11	CP	VOO	Bipolar	NA	NA	NA	No	No	A fib1
No. 12	ICD	DOO	Bipolar	NA	NA	NA	No	No	No events
No. 13	CP	DDDR	Bipolar	No, occasional v-pacing on demand	No	No	No	No	No events
No. 14	CP	DOO	Bipolar	NA	NA	NA	No	No	No events
No. 15	CP			100% v-pacing				No	No events
No. 16	CP			100% v-pacing				No	No events
No. 17	ICD			On demand pacing				No	Sinus brady1
No. 18	CP			On demand pacing				No	A flutter1, nonsustained VT1
No. 19	CP	DDD	Bipolar				No	No
No. 20	CP	DOO	Bipolar				No	No

Blank spaces represent information that was unavailable.

¹Findings that were observed either before or after, or before and after the capsule study.

²Findings that may have occurred before or early into the capsule study. NA: not applicable; CP: Permanent pacemaker; ICD: Implantable cardioverter defibrillator; a-pacing: Atrial pacing; v-pacing: ventricular pacing; A fib: Atrial fibrillation; Sinus brady: sinus bradycardia; VT: Nonsustained ventricular tachycardia; PVC: Premature ventricular contraction.

Table 3 Data from capsule study

	n	Minimum	Maximum	Mean	SD
Duration of Holter monitoring	20	05:54.4	08:30.0	07:48.0	01:48.0
Time to pass pylorus	20	00:03.1	02:38.6	00:41.1	00:45.0
Time to pass cecum	17	01:25.6	End of recording