NCT04786652

Brief Summary

Postoperative period after off-pump coronary artery bypass grafting (OPCAB) can be a challenging area for emerging methods for less-invasive continuous hemodynamic monitoring. The primary goal of this study is to assess the accuracy of estimated stroke volume variation (esSVV, Nihon Kohden, Japan) compared with SVV determined by conventional pulse contour analysis (SVVPCA), respectively. All the measurements and tests will be performed:

  1. 1.In mechanically ventilated patients after OPCAB within two hrs after intervention: passive leg raising (PLR), increased PEEP, and mini-fluid load (mFL) tests will be followed by standard fluid load (sFL). Monitoring: SVVPCA, PPVPCA, esSVV, HLI, PVI, pre-ejection fraction (PEP, echocardiography), CIPCA, esCI and CISTD. Transthoracic echocardiography will be performed to assess the volume of heart chambers, ejection fraction and pre-ejection phase (PEP).
  2. 2.In spontaneously breathing patients at 18 hrs of the postoperative period: PLR, and mFL tests followed by sFL. Monitoring: SVVPCA, PPVPCA, esSVV, PVI, PEP, CIPCA, esCI and CISTD. Transthoracic echocardiography will be performed to assess the volume of heart chambers, ejection fraction and pre-ejection phase.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
32

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Mar 2021

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 4, 2021

Completed
4 days until next milestone

First Posted

Study publicly available on registry

March 8, 2021

Completed
12 days until next milestone

Study Start

First participant enrolled

March 20, 2021

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2021

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2021

Completed
Last Updated

March 22, 2024

Status Verified

March 1, 2024

Enrollment Period

7 months

First QC Date

March 4, 2021

Last Update Submit

March 20, 2024

Conditions

Keywords

cardiac surgeryfluid responsivenessdynamic tests

Outcome Measures

Primary Outcomes (1)

  • Accuracy of estimated stroke volume variation

    The primary goal of this study is to assess the accuracy of estimated stroke volume variation (esSVV, Nihon Kohden, Japan) compared with SVV determined by conventional pulse contour analysis (SVVPCA), respectively.

    immediately postoperatively

Secondary Outcomes (1)

  • Predictive value of esSVV

    immediately postoperatively

Study Arms (1)

Assessment of fluid responsiveness

EXPERIMENTAL
Device: estimated stroke volume variation (esSVV, Nihon Kohden, Japan)Diagnostic Test: Assessment of fluid responsiveness in mechanically ventilated patients after OPCABDiagnostic Test: Assessment of fluid responsiveness in spontaneously breathing patients at 18 hrs of the postoperative period

Interventions

Assessment of the estimated stroke volume variation (esSVV, Nihon Kohden, Japan) in the early postoperative period after OPCAB

Assessment of fluid responsiveness

In mechanically ventilated patients after OPCAB within two hrs after intervention: passive leg raising (PLR), increased PEEP, and mini-fluid load (mFL) tests will be followed by standard fluid load (sFL). Monitoring: SVVPCA, PPVPCA, esSVV, HLI, PVI, pre-ejection fraction (PEP, echocardiography), CIPCA, esCI and CISTD. Transthoracic echocardiography will be performed to assess the volume of heart chambers, ejection fraction and pre-ejection phase (PEP).

Assessment of fluid responsiveness

2\) In spontaneously breathing patients at 18 hrs of the postoperative period: PLR, and mFL tests followed by sFL. Monitoring: SVVPCA, PPVPCA, esSVV, PVI, PEP, CIPCA, esCI and CISTD. Transthoracic echocardiography will be performed to assess the volume of heart chambers, ejection fraction and pre-ejection phase.

Assessment of fluid responsiveness

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Elective off-pump coronary arteries bypass grafting.
  • Age \> 18 years and \< 80 yrs.
  • Preoperative echocardiographic ejection fraction \> 0.35

You may not qualify if:

  • Simultaneous operation (carotid endarterectomy, valve repair, aneurysm resection, etc.).
  • Significant peripheral arteriopathy.
  • Constant form of atrial fibrillation.
  • Pacemaker
  • Severe valve dysfunction.
  • The surgical requirement to harvest both radial arteries.
  • Intra-aortic balloon pump.
  • Transfer to cardiopulmonary bypass (on-pump CABG).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

City hospital # 1 / Northern State Medical University,

Arkhangelsk, 163001, Russia

Location

Related Publications (3)

  • Smetkin AA, Kirov MY, Kuzkov VV, Lenkin AI, Eremeev AV, Slastilin VY, Borodin VV, Bjertnaes LJ. Single transpulmonary thermodilution and continuous monitoring of central venous oxygen saturation during off-pump coronary surgery. Acta Anaesthesiol Scand. 2009 Apr;53(4):505-14. doi: 10.1111/j.1399-6576.2008.01855.x. Epub 2009 Jan 15.

    PMID: 19183113BACKGROUND
  • Kirov MY, Lenkin AI, Kuzkov VV, Suborov EV, Slastilin VY, Borodin VV, Chernov II, Shonbin AN, Bjertnaes LJ. Single transpulmonary thermodilution in off-pump coronary artery bypass grafting: haemodynamic changes and effects of different anaesthetic techniques. Acta Anaesthesiol Scand. 2007 Apr;51(4):426-33. doi: 10.1111/j.1399-6576.2006.01247.x.

    PMID: 17378780BACKGROUND
  • Smetkin AA, Hussain A, Fot EV, Zakharov VI, Izotova NN, Yudina AS, Dityateva ZA, Gromova YV, Kuzkov VV, Bjertnaes LJ, Kirov MY. Estimated continuous cardiac output based on pulse wave transit time in off-pump coronary artery bypass grafting: a comparison with transpulmonary thermodilution. J Clin Monit Comput. 2017 Apr;31(2):361-370. doi: 10.1007/s10877-016-9853-5. Epub 2016 Mar 7.

    PMID: 26951494BACKGROUND

MeSH Terms

Conditions

Postoperative Complications

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 4, 2021

First Posted

March 8, 2021

Study Start

March 20, 2021

Primary Completion

October 1, 2021

Study Completion

December 1, 2021

Last Updated

March 22, 2024

Record last verified: 2024-03

Data Sharing

IPD Sharing
Will not share

Locations