The Sublingual Microcirculatory Alterations in Patients Undergoing Extracorporeal Flow Conditions

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

20 participants

Study Classification

OBSERVATIONAL

Study Start Date

2014-03-31

Study Completion Date

2015-02-28

Brief Summary

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The aim of this study is to observe the perioperative course of sublingual microcirculatory alterations in patients undergoing coronary artery bypass grafting (CABG) using cold blood compared with cristalloid cardioplegia. Additionally the impact of changes in hemodynamic parameters, blood gas, laboratory findings and standart therapy for intra and early postoperative period was studied. Intubation time, ICU stay, hospital stay, ICU readmission, morbidity and mortality were recorded.

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Detailed Description

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The microcirculatory measurements were obtained in both groups in the sublingual mucosa using Cytocam imaging. The probe was handheld. Different precautions were taken and steps followed to obtain images of adequate quality and to ensure good reproducibility.

Images were made after induction of anesthesia (t0), before CBP 5 minutes after heparine (t1), 5 minutes after CBP beginning (t2), during CBP 10 minutes after crossclamp beginning (t3), after crossclamp ending when heart begins to beat (t4), after CBP 10 minutes after protamine (t5).

Additional images were made before (tc0) and after (tc1) vasoactive medication; before (tv0) and after (tv1) volume administration; before (tb0) and after (tb1) blood administration, (FFP, PLT).

At each timepoint adequate focus depth and contrast were noticed. Three steady images of 6 seconds were acquired and recorded on a device controller based on a powerful medical grade computer which is used for image storage and analysis.

Additionally macrocirculatory measurements were obtained at the same timepoints. Hemodynamic variables, temperature, blood gas, INVOS, StO2, laboratory findings and standart therapy were recorded. Additionally intubation time, ICU stay, hospital stay, ICU readmission, morbidity and mortality were studied.

Conditions

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Microcirculatory Alterations

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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cold blood cardioplegia

observe the perioperative course of sublingual microcirculatory alterations in patients undergoing coronary artery bypass grafting (CABG) using cold blood cardioplegia.

No interventions assigned to this group

cristalloid cardioplegia

observe the perioperative course of sublingual microcirculatory alterations in patients undergoing coronary artery bypass grafting (CABG) using cristalloid cardioplegia.

No interventions assigned to this group