Renal function and cardiac angiography

Ayumi Niboshi1, Masashi Nishida, Toshiyuki Itoi

  • 1Department of Pediatric Cardiology and Nephrology, Kyoto Prefectural University of Medicine Graduate School of Medical Science, Kawaramachi-Hirokoji, Kamikyo-ku Kyoto, Japan.

Insights

Non-ionic contrast media can cause temporary kidney problems in children with heart disease. Neonates, infants, and those receiving larger doses or having cyanotic heart disease are at higher risk for contrast medium-induced nephropathy.

Area of Science:

  • Pediatric Nephrology
  • Cardiovascular Imaging
  • Radiology

Background:

  • Cardiovascular disease necessitates diagnostic imaging procedures.
  • Contrast media are essential for angiography but can pose risks to renal function.
  • Understanding contrast medium-induced nephropathy in pediatric populations is crucial.

Purpose of the Study:

  • To evaluate the impact of non-ionic contrast media on renal function in pediatric patients undergoing cardiovascular angiography.
  • To identify risk factors associated with contrast medium-induced nephropathy in this cohort.

Main Methods:

  • Renal function was assessed in 98 children with cardiovascular disease before and after angiography.
  • Serum creatinine (s-Cre) and urinary biomarkers (u-NAG/Cre, u-BMG/Cre, u-AMG/Cre) were measured.
  • Data were analyzed based on age, contrast volume, and cyanotic status.

Main Results:

  • Transient increases in urinary biomarkers (u-NAG/Cre, u-AMG/Cre, u-BMG/Cre) indicated renal tubular dysfunction 12 hours post-angiography.
  • Higher elevations were observed in neonates/infants, those receiving >5 ml/kg contrast, and cyanotic patients.
  • Serum creatinine levels remained unchanged, suggesting tubular, not glomerular, injury.

Conclusions:

  • Non-ionic contrast media can induce transient renal tubular dysfunction in children with cardiovascular disease.
  • Risk factors include young age (neonates/infants), higher contrast volumes (>5 ml/kg), and cyanotic heart disease.
  • While renal function recovers long-term, careful consideration is needed to mitigate contrast medium-induced nephropathy in at-risk pediatric patients.
Abstract

Related Concept Videos

Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...