Related Experiment Video

Updated: Jun 24, 2026

Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
05:25

Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft

Published on: September 15, 2023

A multimodal approach to the prevention of postoperative stroke in patients undergoing coronary artery bypass surgery

James M Douglas1, Susan E Spaniol

  • 1Cardiothoracic Surgery Associates, PeaceHealth Medical Group, St Joseph Hospital, Bellingham, WA 98225, USA. JDouglas@PeaceHealth.org

American Journal of Surgery
|March 27, 2009
PubMed

Insights

Off-pump coronary artery bypass (OPCAB) significantly reduces stroke risk compared to on-pump procedures. Multimodal strategies, including epiaortic scanning, also aid in preventing stroke after coronary artery bypass surgery.

Area of Science:

  • Cardiovascular Surgery
  • Neurology
  • Vascular Surgery

Background:

  • Stroke is a multifactorial complication following coronary artery bypass surgery.
  • Assessing preventative strategies is crucial for patient outcomes.

Purpose of the Study:

  • To evaluate a multimodal approach for preventing stroke in coronary artery bypass patients.
  • To compare stroke incidence between different surgical techniques and time periods.

Main Methods:

  • A retrospective study of 1,530 coronary artery bypass patients (July 1994-April 2008).
  • Patients were divided into two groups based on surgical year (pre-2004 vs. post-2004).
  • Group 2 utilized epiaortic scanning, proximal anastomotic devices, and alternative cannulation; off-pump coronary artery bypass (OPCAB) and on-pump coronary artery bypass (ONCAB) were analyzed.

Main Results:

  • Overall stroke incidence was 1.6%.
  • Group 2 (post-2004) showed a lower stroke rate (1.3%) compared to Group 1 (1.7%).
  • OPCAB patients had a significantly lower stroke incidence (0.8%) than ONCAB patients (2.4%, P < .05).

Conclusions:

  • Off-pump coronary artery bypass (OPCAB) is effective in preventing postoperative stroke.
  • Adjunctive techniques to prevent emboli may further reduce stroke risk in both OPCAB and ONCAB procedures.
Abstract

Related Concept Videos

Peripheral Artery Disease V: Postoperative Nursing Management01:23

Peripheral Artery Disease V: Postoperative Nursing Management

During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

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...
Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

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...
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.