Related Experiment Video

Updated: May 23, 2026

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats
05:34

5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats

Published on: April 4, 2025

Renal dysfunction and CABG

Anthony M H Ho1, Simon K C Chan

  • 1Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, NT, Hong Kong, China. hoamh@hotmail.com

Current Opinion in Pharmacology
|March 27, 2012
PubMed

Insights

Renal dysfunction is common after coronary artery bypass grafting (CABG). Optimizing hemodynamics, oxygenation, and hydration are key to renal protection, with fenoldopam showing promise.

Area of Science:

  • Cardiology
  • Nephrology
  • Cardiovascular Surgery

Background:

  • Renal dysfunction is a frequent complication following coronary artery bypass grafting (CABG).
  • This complication significantly increases patient morbidity and mortality rates.
  • Existing renoprotective strategies lack consistent efficacy for routine use.

Purpose of the Study:

  • To review current strategies for preventing renal dysfunction post-CABG.
  • To evaluate the efficacy of potential renoprotective agents and measures.
  • To identify optimal practices for renal protection in cardiac surgery patients.

Main Methods:

  • Literature review of studies investigating renoprotective strategies in CABG.
  • Analysis of data on fenoldopam's potential renoprotective effects.
  • Evaluation of measures like avoiding nephrotoxic agents and optimizing physiological parameters.

Main Results:

  • No single renoprotective strategy is routinely recommended for CABG, with fenoldopam showing promising data.
  • Avoiding nephrotoxic agents, such as radiocontrast, may reduce renal dysfunction incidence.
  • Optimizing hemodynamics, oxygenation, metabolic state, and hydration are crucial for organ protection.

Conclusions:

  • Comprehensive physiological optimization is the cornerstone of renal protection after CABG.
  • Fenoldopam presents a promising option, warranting further investigation for routine use.
  • Proactive avoidance of nephrotoxins is essential in perioperative care for cardiac surgery patients.

Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living donor...
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Continuous Renal Replacement Therapy01:30

Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
Kidney Transplant I: Introduction01:28

Kidney Transplant I: Introduction

A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...