Colonoscopic polypectomy in anticoagulated patients

Table 1 Patient characteristics

Patient characteristics	Number or percentage
Number of patients	123
Average age (range)	68.4 ± 9 (49-90) yr
Male, female	122, 1
Indication for procedure	Screening (48%)
	History of polyps (24%)
	Iron def anemia (9%)
	Hematochezia (7%)
	Occult-blood positive stool (7%)
	Other (5%)
Indication for warfarin	Atrial fibrillation (65%)
	Thromboembolism (16%)
	Mechanical valve (9%)
	Other indications (13%)

Table 2 Polypectomy characteristics

Polyp characteristics	Number or percentage
Number of polyps	225
Polyps per patient	1.8
Average polyp size (mm)	5.1 ± 2.2
Range of polyp size (mm)	2-15
Polypectomy method	Cold snare (48%)
	Snare/cautery after saline injection (30%)
	Snare/cautery, no saline injection (16%)
	Cold biopsy (4%)
	Cold snare after saline injection (1%)
Polyp histology	Neoplastic (70%)
	Non-neoplastic (20%)
	Lost specimen (10%)