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Related Concept Videos

Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

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Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
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Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

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Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
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Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

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Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
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Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

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Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
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Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

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Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
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Coronary Circulation01:21

Coronary Circulation

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The heart, an organ critical to survival, gets nourishment not from the blood it pumps but from a separate circulation system known as coronary circulation. This is the shortest circulation in the body and is responsible for supplying the heart with the nutrients it needs to function effectively.
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Related Experiment Video

Updated: Jan 27, 2026

Surgical Swine Model of Chronic Cardiac Ischemia Treated by Off-Pump Coronary Artery Bypass Graft Surgery
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Graft Patency after Robotically Assisted Coronary Artery Bypass Surgery.

Hiroto Kitahara1, Sarah Nisivaco1, Husam H Balkhy1

  • 1The University of Chicago Medicine, IL, USA.

Innovations (Philadelphia, Pa.)
|March 20, 2019
PubMed
Summary

Robotic assisted coronary artery bypass surgery, including RMIDCAB and TECAB, demonstrates excellent graft patency rates. These advanced techniques offer comparable long-term outcomes to traditional methods, supporting their wider adoption.

Keywords:
graft patencyrobotic assisted minimally invasive direct coronary artery bypasstotally endoscopic coronary artery bypass

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Area of Science:

  • Cardiovascular Surgery
  • Minimally Invasive Surgery
  • Robotic Surgery

Background:

  • Robotic instrumentation has advanced minimally invasive direct coronary artery bypass (RMIDCAB) and totally endoscopic coronary artery bypass (TECAB) over two decades.
  • Graft patency is a critical determinant of long-term prognosis following coronary bypass surgery.

Purpose of the Study:

  • To review expert studies on robotic-assisted coronary artery bypass.
  • To investigate and compare graft patency rates between RMIDCAB and TECAB procedures.

Main Methods:

  • A comprehensive literature search was conducted in PubMed (1999-2018).
  • Keywords included "Robotic," "Coronary bypass," "Minimally invasive," and "Totally endoscopic."
  • Studies specifically assessing graft patency were selected for analysis.

Main Results:

  • 33 articles encompassing 4,000 patients (2,396 RMIDCAB, 1,604 TECAB) were analyzed.
  • Graft patency was evaluated using invasive or CT angiography.
  • Mean graft patency rates at early, midterm, and long-term follow-up were high and comparable between RMIDCAB and TECAB approaches.

Conclusions:

  • Robotic-assisted coronary artery bypass exhibits graft patency equivalent to conventional methods.
  • The findings support increased utilization of robotic techniques in coronary bypass surgery.