Anesthesia Clinical Trial
Official title:
Double-Blind, Randomized, Controlled Trial, Small Volume Bolus of Papaverine Versus Heparin to Maintain Patency of Peripheral Arterial Catheters in Pediatric Patients Undergoing Surgical Procedures: Pilot Study
The purpose of this study is to compare intraoperative papaverine plus heparin to heparin alone for prevention of arterial spasm and maintenance of patency of peripheral arterial catheters during surgery in pediatric patients. The hypothesis is that periodic, intraoperative small-volume boluses of diluted papaverine plus heparin in peripheral arterial catheters of pediatric patients will prevent arterial spasm and help maintain patency of arterial catheters during general anesthesia.
Peripheral arterial catheters measure blood pressure with every heartbeat and provide valuable information regarding the status of the heart and the overall well being. It is of utmost importance to maintain the utility and patency of these catheters throughout the procedure. As standard procedure, heparin, a blood thinner, is used routinely during the surgical procedure to keep these catheters from clotting, and papaverine, an arterial relaxation agent, is used after surgery to maintain patency of these catheters. In this study, participants will be randomized to receive two boluses of papaverine with heparin during the procedure (experimental arm) or heparin alone during the procedure (control arm) [in both arms, the first bolus will be administered as soon as the arterial catheter is placed and secured and again one hour after initial bolus]. If the arterial catheter spasm/patency or waveform does not improve 10 minutes after the second bolus, then the anesthesiology care team will consider treating clinically with 0.3 mg of papaverine. ;
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