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Percutaneous support devices for high-risk or complicated coronary angioplasty

Academic Article
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Overview

authors

  • Lincoff, A. M.
  • Popma, J. J.
  • Ellis, S. G.
  • Vogel, R. A.
  • Topol, Eric

publication date

  • March 1991

journal

  • Journal of the American College of Cardiology  Journal

abstract

  • Indications for coronary angioplasty have expanded to include patients with unstable acute ischemic syndromes, severe multivessel coronary artery disease and impaired left ventricular function. Several mechanical approaches have been developed as adjuncts to high risk coronary angioplasty to improve patient tolerance of coronary balloon occlusion and maintain hemodynamic stability in the event of complications. These percutaneous techniques include intraaortic balloon counterpulsation, anterograde transcatheter coronary perfusion, coronary sinus retroperfusion, cardiopulmonary bypass, Hemopump left ventricular assistance and partial left heart bypass. The intraaortic balloon pump provides hemodynamic support and ameliorates ischemia by decreasing myocardial work; it may be inserted for periprocedural complications or before angioplasty in patients with ischemia or hypotension. Anterograde distal coronary artery perfusion may be accomplished passively through an autoperfusion catheter or by active pumping of oxygenated blood or fluorocarbons through the central lumen of an angioplasty catheter. Synchronized coronary sinus retroperfusion produces pulsatile blood flow via the cardiac veins to the coronary bed distal to a stenosis. Both perfusion techniques limit development of ischemic chest pain and myocardial dysfunction in patients undergoing prolonged balloon inflations. Percutaneous cardiopulmonary bypass provides complete systemic hemodynamic support which is independent of intrinsic cardiac function or rhythm and has been employed prophylactically in very high risk patients before coronary angioplasty or emergently for abrupt closure. These and newer support devices, while associated with significant complications, may ultimately improve the safety of coronary angioplasty and allow its application to those who would otherwise not be candidates for revascularization.

subject areas

  • Angioplasty, Balloon, Coronary
  • Cardiopulmonary Bypass
  • Coronary Disease
  • Emergencies
  • Equipment Design
  • Equipment Safety
  • Heart-Assist Devices
  • Humans
  • Myocardial Reperfusion
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Identity

International Standard Serial Number (ISSN)

  • 0735-1097

PubMed ID

  • 1993799
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Additional Document Info

start page

  • 770

end page

  • 780

volume

  • 17

issue

  • 3

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