Related Experiment Video

Updated: Oct 8, 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

Coronary artery bypass grafting for dialysis patients: usefulness of multiarterial bypass

Y Nakayama1, R Sakata, M Ura

  • 1Department of Cardiovascular Surgery, Kumamoto Central Hospital, Kumamoto, Japan. kita4f@mocha.ocn.ne.jp

Artificial Organs
|April 25, 2001
PubMed

Insights

Multiarterial bypass grafting significantly improves long-term survival and cardiac event-free rates in dialysis patients undergoing coronary artery bypass grafting (CABG). This approach offers better outcomes compared to single arterial grafts with minimal complications.

Area of Science:

  • Cardiovascular Surgery
  • Nephrology
  • Grafting Techniques

Background:

  • Dialysis patients represent a high-risk group for cardiovascular disease.
  • Coronary artery bypass grafting (CABG) outcomes can be challenging in this population.
  • Optimizing graft strategies is crucial for long-term success in dialysis patients.

Purpose of the Study:

  • To evaluate the efficacy of multiarterial bypass grafting versus single arterial grafting in dialysis patients undergoing CABG.
  • To compare long-term survival and cardiac event-free rates between the two grafting strategies.
  • To assess the complication rates associated with different grafting approaches.

Main Methods:

  • Retrospective study of 80 dialysis patients who underwent CABG.
  • Patients divided into two groups: Group A (left internal thoracic artery + saphenous vein graft) and Group B (2-3 arterial grafts + saphenous vein grafts).
  • Actuarial survival and cardiac event-free rates analyzed at 8 years.

Main Results:

  • No mediastinitis observed in either group.
  • 8-year actuarial survival rates were 28% (Group A) vs. 93% (Group B) (p=0.014).
  • 8-year cardiac death rates were 83% (Group A) vs. 100% (Group B) (p=0.016).
  • 8-year cardiac event-free rates were 43% (Group A) vs. 96% (Group B) (p=0.0016).

Conclusions:

  • Multiarterial grafting significantly improves long-term survival and reduces cardiac events in dialysis patients after CABG.
  • This approach is superior to single arterial grafting in this high-risk population.
  • Multiarterial grafting offers excellent long-term results with minimal complications.

Related Concept Videos

Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy01:26

Extracorporeal Removal of Drugs: Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy (CRRT) is an essential intervention for patients experiencing severe kidney dysfunction. This therapy offers a continuous mechanism for removing fluids and toxins from the bloodstream, leveraging the patient’s blood pressure to facilitate filtration through a specialized filter. This method contrasts with intermittent dialysis, providing a gentler and more consistent removal of waste products and excess fluid, which is particularly beneficial in critically...
Hemodialysis III: Nursing Management01:25

Hemodialysis III: Nursing Management

The nursing management of a patient undergoing hemodialysis includes several critical steps, starting with a thorough assessment before the procedure.Before the Hemodialysis ProcedureFirst, record the patient's vital signs—blood pressure, heart rate, respiratory rate, and temperature—to establish a baseline. This baseline is essential for detecting conditions such as hypotension that could impact the patient's response to dialysis. Document the patient's pre-dialysis weight, as this measurement...