A multicenter feasibility study on ultrafiltration via a single peripheral venous access in acute heart failure with

Marco Morpurgo1, Mario Pasqualini2, Maria Cristiana Brunazzi2

  • 1Centro Cardiologico Monzino, I.R.C.C.S., Milan, Italy.

Insights

The CHIARA system offers a feasible approach for ultrafiltration in acute heart failure (AHF) patients, removing significant fluid via a single peripheral venous access without major complications.

Area of Science:

  • Cardiology
  • Nephrology
  • Medical Devices

Background:

  • Central venous catheters limit ultrafiltration use in acute heart failure (AHF) with fluid overload.
  • A novel approach is needed to facilitate widespread ultrafiltration in AHF management.

Purpose of the Study:

  • To evaluate the feasibility of the CHIARA system for ultrafiltration using a single peripheral venous cannula.
  • To assess fluid removal efficacy and safety in AHF patients.

Main Methods:

  • A multicenter, prospective feasibility study involving 103 ultrafiltration sessions with the CHIARA device.
  • Treatments involved a single peripheral venous access, lasting ≥6 hours with an ultrafiltration rate ≥100ml/h.
  • Evaluated venous access performance, fluid removed, and interruption causes.

Main Results:

  • Successful completion in 92% of sessions and 80% of patients.
  • Median fluid removal of 3266±3088ml per session (183±30ml/hour).
  • No significant complications related to venous access or anticoagulation.

Conclusions:

  • The CHIARA system demonstrates clinical applicability and efficacy for fluid removal in AHF.
  • A single peripheral venous access is sufficient for effective ultrafiltration.
  • This approach may expand ultrafiltration use in AHF treatment.
Abstract

Related Concept Videos

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,...
1.3K
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
477
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...
2.3K
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...
397
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...
289
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...
294