MedPath

Hemodynamic Effects of Blood Flow Variation in Continuous Renal Replacement Therapy

Not Applicable
Terminated
Conditions
End-stage Renal Disease
Acute Kidney Injury
Registration Number
NCT03078504
Lead Sponsor
St. Louis University
Brief Summary

Purpose of this study is to evaluate the short-term hemodynamic effects of changes in blood flow rates in critically ill patients receiving continuous renal replacement therapy.

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
6
Inclusion Criteria
  • Age 18-89
  • Acute renal failure or end-stage renal disease necessitating CRRT
  • Admitted to the MICU service
  • If on vasopressor/inotropic agent, norepinephrine as only intravenous pressor
  • If on vasopressor/inotropic agent, at stable pressor dose for at least four hours
  • If on IV fluids, stable dose of crystalloids <= 100cc/hour and is not receiving colloids for 4 hours or more prior to initiation of CRRT
  • Mean arterial pressure (MAP) >= 65
  • Arterial catheter present for continuous blood pressure monitoring
  • CRRT duration of 48 hours or less using NxStage System One dialysis system
  • successfully tolerated CRRT for at least 4 hours without clotting or hemodynamic instability
  • no other procedures, blood products transfusion, or additional medication administration are anticipated during the study period
Exclusion Criteria
  • listed for organ transplant
  • atrial fibrillation, other irregular heart rhythm, unstable arrhythmia
  • need for more than one intravenous vasopressor agent
  • intravenous vasopressor/inotropic agent other than norepinephrine (ie dobutamine, dopamine, vasopressin, epinephrine)
  • therapeutic anticoagulation being administered
  • known acute myocardial infarction as defined by elevated troponin along with a documented clinical diagnosis during current hospitalization
  • known acute stroke, intracerebral hemorrhage, intracranial mass effect, or elevated intracranial pressure within the last 30 days.
  • dialysis catheter malfunction and unable to maintain target blood flow rate
  • fluid removal (ultrafiltration) rate > 100mL/hour

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Primary Outcome Measures
NameTimeMethod
Blood Pressure Change10 minutes

Change in mean arterial pressure from period 1 to period 2

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Saint Louis University

🇺🇸

Saint Louis, Missouri, United States

Saint Louis University
🇺🇸Saint Louis, Missouri, United States

MedPath

Empowering clinical research with data-driven insights and AI-powered tools.

© 2025 MedPath, Inc. All rights reserved.