Anesthesiology
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Randomized Controlled Trial Comparative Study
One-year Results of a Factorial Randomized Trial of Aspirin versus Placebo and Clonidine versus Placebo in Patients Having Noncardiac Surgery.
Neither perioperative aspirin or clonidine show long-term benefit in terms of death, cardiovascular complication, cancer, or chronic pain at 1 year, except for a benefit of aspirin for patients with a history of PCI.
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