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Updated: Jul 24, 2026

Evaluation of a Novel Laser-assisted Coronary Anastomotic Connector - the Trinity Clip - in a Porcine Off-pump Bypass Model
Published on: November 24, 2014
Localization of coronary bypass targets in hard-to-see coronary arteries
Rabin Gerrah1, Kristin Lipe2, Gus J Vlahakes3
1Department of Cardiothoracic Surgery, Stanford University, Falk Bldg. 300 Pasteur Drive, Stanford, CA, 94305-5407, USA. rgerrah@gmail.com.
Insights
Accurate identification of coronary arteries is crucial for bypass surgery. This review summarizes techniques for localizing coronary arteries, especially when visualization is difficult due to fat or scar tissue.
Area of Science:
- Cardiovascular Surgery
- Surgical Anatomy
Background:
- Precise identification of coronary arteries and anastomotic site selection are critical for successful coronary bypass surgery.
- Visualization challenges arise from thick epicardial fat or scar tissue, complicating artery localization.
- This review focuses on methods for identifying coronary arteries during surgical procedures.
Conclusions:
- Familiarity with diverse coronary artery identification techniques is essential for surgeons.
- Knowledge of these methods is particularly valuable when dealing with difficult-to-visualize coronary arteries.
- This expertise enhances surgical outcomes in coronary bypass procedures.
Background:
Precise identification of coronary arteries and selection of anastomotic sites are critical stages of coronary bypass surgery. Visualization of coronary arteries is occasionally challenging when the heart is covered with a thick layer of fat or scar tissue. In this paper, we review the methods to localize the coronary arteries during coronary surgery.
Methods:
Prior publications were searched to summarize all available methods for localization of coronary arteries during coronary surgery.
Results:
Five clinically recognized and three experimental techniques from the literature review are reviewed and summarized.
Conclusions:
Knowledge of various techniques of coronary artery identification in hard-to-see coronary arteries is an important asset in coronary surgery and especially useful during the most critical option of the most common heart surgery.
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