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World J Gastroenterol. 2009 Apr 28;15(16):1973-6.

Colonoscopic polypectomy in anticoagulated patients.

Author information

1
Division of Gastroenterology, VA Palo Alto and Stanford University, 3801 Miranda Avenue, Palo Alto, CA 94304, USA. shai_friedland@yahoo.com

Abstract

AIM:

To review our experience performing polypectomy in anticoagulated patients without interruption of anticoagulation.

METHODS:

Retrospective chart review at the Veterans Affairs Palo Alto Health Care System. Two hundred and twenty five polypectomies were performed in 123 patients. Patients followed a standardized protocol that included stopping warfarin for 36 h to avoid supratherapeutic anticoagulation from the bowel preparation. Patients with lesions larger than 1 cm were generally rescheduled for polypectomy off warfarin. Endoscopic clips were routinely applied prophylactically.

RESULTS:

One patient (0.8%, 95% CI: 0.1%-4.5%) developed major post-polypectomy bleeding that required transfusion. Two others (1.6%, 95% CI: 0.5%-5.7%) had self-limited hematochezia at home and did not seek medical attention. The average polyp size was 5.1 +/- 2.2 mm.

CONCLUSION:

Polypectomy can be performed in therapeutically anticoagulated patients with lesions up to 1 cm in size with an acceptable bleeding rate.

PMID:
19399929
PMCID:
PMC2675087
DOI:
10.3748/wjg.15.1973
[Indexed for MEDLINE]
Free PMC Article

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