Continuous hemodiafiltration in children after cardiac surgery

Kenichi Watanabe1, Yasuyuki Suzuki, Takeshi Goto

  • 1Department of Thoracic and Cardiovascular Surgery, Hirosaki University School of Medicine, Hirosaki, Aomori, Japan.

Artificial Organs
|November 25, 2010
PubMed

Insights

Continuous hemodiafiltration (CHDF) effectively treated acute renal failure in pediatric patients after congenital cardiac surgery. Most patients recovered normal renal function, demonstrating CHDF as a viable treatment option for this critical complication.

Area of Science:

  • Pediatric Nephrology
  • Cardiovascular Surgery
  • Critical Care Medicine

Background:

  • Acute renal failure (ARF) is a significant complication following congenital cardiac surgery, leading to increased morbidity and mortality in pediatric patients.
  • Continuous hemodiafiltration (CHDF) is an established treatment modality for pediatric renal replacement therapy.

Purpose of the Study:

  • To retrospectively evaluate the efficacy and outcomes of CHDF in managing ARF in pediatric patients who underwent congenital cardiac surgery.
  • To assess the impact of CHDF on renal function recovery and identify potential complications associated with the treatment.

Main Methods:

  • Retrospective analysis of seven pediatric patients (23 days to 9 years) who received CHDF for ARF post-congenital cardiac surgery between April 2002 and January 2009.
  • Data collected included patient demographics, duration of CHDF, ultrafiltration rates, and pre- and post-treatment serum creatinine and urea levels.

Main Results:

  • Renal function recovered to normal in five out of seven (71%) patients.
  • Significant reductions in serum creatinine (2.3 to 0.5 mg/dL) and urea (43.7 to 13.5 mg/dL) were observed post-CHDF (P < 0.05).
  • Common complications included thrombocytopenia in all patients, requiring platelet concentrate infusion, and transient hypotension in one patient.

Conclusions:

  • CHDF is an effective strategy for treating renal dysfunction in pediatric patients following congenital cardiac surgery.
  • Despite complications like thrombocytopenia, CHDF facilitates renal function recovery and offers a beneficial treatment option.

Related Concept Videos

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...
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 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,...
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...
Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration01:25

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration

Hemoperfusion and hemofiltration are critical techniques in medical treatments to eliminate accumulated drugs, metabolites, and electrolytes from the bloodstream. These methods are particularly vital in cases of accidental poisoning and drug overdose.Hemoperfusion involves passing blood through an adsorbent material to remove unwanted substances. The main adsorbents used in hemoperfusion include activated charcoal and Amberlite resins. Activated charcoal can adsorb both polar and nonpolar...
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...