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Patterns of antiplatelet agent use in the US
Vijay Kanakadandi1, Sravanthi Parasa1, Preetika Sihn1
1University of Kansas Medical Center, Gastroenterology, Kansas, City, Kansas, United States ; Kansas City Veterans Administration Medical Center, Gastroenterology, Kansas, City, Kansas, United States.
Background:
The American Society of Gastrointestinal Endoscopy (ASGE) published updated guidelines in 2009 to help endoscopists manage the treatment of their patients who have been prescribed antiplatelet therapy (APT).
Study Aim:
To assess the use of APT among endoscopists, and to identify factors guiding their use of APT while treating their patients.
Method:
A survey questionnaire was distributed to endoscopists at two national meetings to assess their usage of APT while treating patients during the peri-endoscopic period.
Results:
The survey was provided to 400 attendees of whom 239 (60 %) responded. Only 30 % of respondents followed the ASGE guidelines for treating their patients and 26 % percent of respondents withheld all APT before engaging in any patient procedure. Endoscopists' decisions appeared to be influenced by their own particular experiences rather than any specific APT usage guidelines (46 % vs 22 %; P < 0.05). As expected, more endoscopists (P < 0.05) continued APT for patients who underwent low risk procedures (90 %) than for patients who underwent high risk procedures (47 %). Approximately 50 % of the respondents did not perform high risk procedures for patients prescribed aspirin therapy.
Conclusions:
About one-fourth of endoscopists surveyed discontinued APT treatment of patients who underwent any endoscopic procedure, and one-half of them discontinued use of non-steroidal anti-inflammatory drug treatment of patients who underwent a high risk endoscopic procedure. Inappropriate withdrawal of APT medications may expose patients to unnecessary risks, and efforts to improve endoscopists' application of ASGE guidelines for the use of APT to treat patients during the peri-endoscopic period are warranted.
