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Hemostasis at the arterial puncture site after percutaneous coronary interventions is achieved by either placement of a puncture closure device or by delaying sheath removal for hours to allow normalization of heparin induced anticoagulation. Both of these methods are far from ideal. Delayed sheath removal poses a risk of recurrent bleeding, hematoma formation and results in decreased patient mobility while the safety of closure devices has been called into question by several recent reports. Due to the lack of definitive data, the arterial access site management varies considerably between physicians and among institutions. The proposed study will evaluate the safety and efficacy of arterial closure devices to achieve hemostasis compared with immediate sheath removal after protamine administration followed by direct compression after percutaneous coronary intervention procedures.
Percutaneous coronary intervention (PCI) is the most common procedure performed for obstructive coronary artery disease with more than one million procedures performed annually in United States alone1. Despite major advances in technology and operative expertise, the optimum management of arterial access site after PCI procedures remains unclear.
The conventional practice of arterial access site management involves delaying of sheath removal for several hours to allow normalization of heparin induced anticoagulation. This delayed sheath removal poses a risk of recurrent bleeding and hematoma formation. Furthermore, delayed sheath removal results in decreased patient mobility, increased patient discomfort and requires frequent monitoring with an impact on nursing resources. The risks associated with delayed sheath removal may be further increased by concomitant administration of potent anti platelet therapy now routinely used in patients undergoing PCI2.
Arterial puncture closure devices (APCD) were developed to obtain immediate arterial access site hemostasis after closed vascular procedures with an aim towards early patient mobilization. Although the efficacy of APCD have been documented in several small studies but limited information is available regarding their safety in diverse patient populations. A recent meta analysis has shown increased vascular complication rate associated with the use of these devices bringing the safety of their routine use into question3.
Due to lack of definitive data, the arterial access site management varies considerably between physicians and among institutions. APCD are routinely used by some centers4 while others continue to delay arterial sheath removal for several hours after the procedure5.
Immediate sheath removal followed by direct compression though routinely practiced after coronary angiographic procedures is not used after PCI procedures due to the intra procedural administration of heparin resulting in prolonged anticoagulation. Reversal of heparin with protamine may allow immediate sheath removal resulting in early patient ambulation and decreased access site vascular complications. The safety and efficacy of intravenous protamine administration for reversal of heparin is well established by its routine use in cardiovascular surgery for several decades6 and recent reports showing safety and efficacy of this method for early sheath removal after PCI procedures7-9.
The proposed study is designed to evaluate the safety and efficacy of immediate sheath removal followed by direct compression as compared to the use of APCD to achieve hemostasis after PCI.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Single Blind, Primary Purpose: Treatment
St. Michael's Hospital
St. Michael's Hospital, Toronto
Published on BioPortfolio: 2014-08-27T03:47:12-0400
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Dilatation of an occluded coronary artery (or arteries) by means of a balloon catheter to restore myocardial blood supply.
Dilation of an occluded coronary artery (or arteries) by means of a balloon catheter to restore myocardial blood supply.
A technique utilizing a laser coupled to a catheter which is used in the dilatation of occluded blood vessels. This includes laser thermal angioplasty where the laser energy heats up a metal tip, and direct laser angioplasty where the laser energy directly ablates the occlusion. One form of the latter approach uses an EXCIMER LASER which creates microscopically precise cuts without thermal injury. When laser angioplasty is performed in combination with balloon angioplasty it is called laser-assisted balloon angioplasty (ANGIOPLASTY, BALLOON, LASER-ASSISTED).
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