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Related Experiment Videos

Guidant Heartstring: initial experience in OPCAB surgery.

Alberto Weber1, Oliver Reuthebuch, Marko Turina

  • 1Department of Cardiovascular Surgery, University Hospital, Zurich, Switzerland. alberto.weber@usz.ch

The Heart Surgery Forum
|March 17, 2005
PubMed
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The Heartstring hemostatic seal system allows safe proximal anastomoses during off-pump coronary artery bypass surgery without aortic side clamping. This method ensures no foreign material remains, improving patient outcomes.

Area of Science:

  • Cardiovascular Surgery
  • Medical Devices
  • Surgical Innovation

Background:

  • Off-pump coronary artery bypass (OPCAB) surgery aims to reduce complications associated with cardiopulmonary bypass.
  • Aortic side clamping can lead to complications like stroke and myocardial ischemia.
  • Hemostatic devices offer potential solutions for creating anastomoses without clamping.

Purpose of the Study:

  • To assess the feasibility of the Heartstring hemostatic seal system for proximal anastomoses.
  • To evaluate its use in off-pump coronary artery bypass surgery without aortic side clamping.
  • To determine safety and efficacy in patients with calcified aortas.

Main Methods:

  • Prospective study of 50 proximal anastomoses in 29 consecutive patients with calcified aortas.

Related Experiment Videos

  • Utilized the Heartstring hemostatic seal system for anastomosis creation.
  • Assessed bypass graft patency via intraoperative flow measurements and neurological outcomes.

    • Main Results:

    • Successful completion of anastomoses without the need for aortic side clamping.
    • A learning curve of approximately 10 devices was observed.
    • No perioperative ischemic events or postoperative neurological complications were reported.
    • Bypass graft flow averaged 53.7 L/min with no residual foreign material.

    Conclusions:

    • The Heartstring system is a feasible and safe option for proximal anastomoses in OPCAB surgery.
    • Eliminates the need for aortic side clamping, potentially reducing associated risks.
    • Offers a method for creating anastomoses without leaving foreign material in the aorta.