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Individualized Blood Pressure Management in Patients Undergoing Cardiac Surgery

NCT03784690 · Status: WITHDRAWN · Phase: NA · Type: INTERVENTIONAL

Last updated 2019-11-22

No results posted yet for this study

Summary

This pilot randomized-controlled study will determine the feasibility of large study comparing individualized versus standard blood pressure (BP) management in patients undergoing cardiac surgery under cardiopulmonary bypass (CPB). Our hypothesis is that maintaining higher BP levels based on preoperative measurements will reduce the incidence of major complications (composite outcome).

Conditions

  • Cardiac Surgery

Interventions

OTHER

Individualized intraoperative BP management

In the treatment group, the nurse will measure resting blood pressure three times in the ward one day before surgery (after a 5-min rest while lying supine). Average measurement will be used to calculate mean arterial pressure (MAP). Before and after CPB patients will receive continuous infusion of norepinephrine to maintain MAP within ± 10% of patients resting MAP. If targeted MAP during CPB could not be achieved after increasing pump-flow (not more than 130%), infusion of norepinephrine will used. After CPB, the choice of vasopressors/inotropes to maintain predefined MAP will be left on attending anesthesiologists based on patient status.

OTHER

Standard intraoperative BP management

Standard treatment strategy will be used aiming to maintain pre-bypass and post-bypass MAP at 65-75 mm Hg. MAP during CPB will be maintained at 50-60 mm Hg. If MAP of 50-60 mm Hg during CPB could not be achieved after increasing pump-flow (not more than 130%), infusion of norepinephrine will be started. No vasodilators will be used if MAP will exceed predefined range.

Sponsors & Collaborators

  • Meshalkin Research Institute of Pathology of Circulation

    lead NETWORK

Principal Investigators

  • Vladimir Lomivorotov, MD, PhD · Meshalkin Research Institute of Pathology of Circulation

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2019-01-21
Primary Completion
2020-03-10
Completion
2020-04-10

Countries

  • Russia

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03784690 on ClinicalTrials.gov