The assessment of microcirculatory function plays a pivotal role in perioperative medicine and intensive care. One promising method for evaluating microcirculatory function is the microscopic analysis of the oral mucosal microvasculature. However, this method is not currently fully validated.
The aim of this study is to assess the repeatability of sublingual microcirculation measurements using the CytoCam-IDF device (Braedius Medical).
ASA Physical Status I-II
Age 18-40 years
Chronic diseases
Chronic medication use
Pregnancy
Use of stimulants (caffeine, nicotine, alcohol) within 12 hours prior to the study
Patients hospitalized in the ICU at the University Clinical Center in Gdańsk, or healthy volunteers
Cohort
Prospective
Not listed
FCD (Functional Capillary Density)
Sublingual Microcirculation Assessment Sublingual microcirculation will be assessed using the CytoCam-IDF camera (Braedius Medical, Huizen, The Netherlands). The measurement technique involves gently applying the microscope probe with a disposable cap to the sublingual mucosa and recording short video sequences. The device utilizes green LED light to visualize moving blood cells, allowing for subsequent computerized analysis of capillary density and flow quality within the microvessels. Two operators will perform 3 series of measurements at 5-minute intervals with Cytocam - IDF microcirculation camera. Each series will consist of measurements taken from 3 adjacent sites. All measurements will be performed by the same two individuals Unit of measurement: mm/mm\^2
MFI (Microvascular Flow Index)
Sublingual Microcirculation Assessment Sublingual microcirculation will be assessed using the CytoCam-IDF camera (Braedius Medical, Huizen, The Netherlands). The measurement technique involves gently applying the microscope probe with a disposable cap to the sublingual mucosa and recording short video sequences. The device utilizes green LED light to visualize moving blood cells, allowing for subsequent computerized analysis of capillary density and flow quality within the microvessels. Two operators will perform 3 series of measurements at 5-minute intervals with Cytocam - IDF microcirculation camera. Each series will consist of measurements taken from 3 adjacent sites. All measurements will be performed by the same two individuals Unit of measurement: 0 - no flow / 1 -intermittent flow / 2 - sluggish flow / 3 - continuous flow
HI (Heterogeneity Index)
Sublingual Microcirculation Assessment Sublingual microcirculation will be assessed using the CytoCam-IDF camera (Braedius Medical, Huizen, The Netherlands). The measurement technique involves gently applying the microscope probe with a disposable cap to the sublingual mucosa and recording short video sequences. The device utilizes green LED light to visualize moving blood cells, allowing for subsequent computerized analysis of capillary density and flow quality within the microvessels. Two operators will perform 3 series of measurements at 5-minute intervals with Cytocam - IDF microcirculation camera. Each series will consist of measurements taken from 3 adjacent sites. All measurements will be performed by the same two individuals Unit of measurements none, relative measurement
TVD (Total Vessel Density)
Sublingual Microcirculation Assessment Sublingual microcirculation will be assessed using the CytoCam-IDF camera (Braedius Medical, Huizen, The Netherlands). The measurement technique involves gently applying the microscope probe with a disposable cap to the sublingual mucosa and recording short video sequences. The device utilizes green LED light to visualize moving blood cells, allowing for subsequent computerized analysis of capillary density and flow quality within the microvessels. Two operators will perform 3 series of measurements at 5-minute intervals with Cytocam - IDF microcirculation camera. Each series will consist of measurements taken from 3 adjacent sites. All measurements will be performed by the same two individuals Unit of measurement: mm/mm\^2
PVD (Perfused Vessel Density)
Sublingual Microcirculation Assessment Sublingual microcirculation will be assessed using the CytoCam-IDF camera (Braedius Medical, Huizen, The Netherlands). The measurement technique involves gently applying the microscope probe with a disposable cap to the sublingual mucosa and recording short video sequences. The device utilizes green LED light to visualize moving blood cells, allowing for subsequent computerized analysis of capillary density and flow quality within the microvessels. Two operators will perform 3 series of measurements at 5-minute intervals with Cytocam - IDF microcirculation camera. Each series will consist of measurements taken from 3 adjacent sites. All measurements will be performed Unit of measurement: mm/mm\^2
PPV (Proportion of Perfused Vessels)
Sublingual Microcirculation Assessment Sublingual microcirculation will be assessed using the CytoCam-IDF camera (Braedius Medical, Huizen, The Netherlands). The measurement technique involves gently applying the microscope probe with a disposable cap to the sublingual mucosa and recording short video sequences. The device utilizes green LED light to visualize moving blood cells, allowing for subsequent computerized analysis of capillary density and flow quality within the microvessels. Two operators will perform 3 series of measurements at 5-minute intervals with Cytocam - IDF microcirculation camera. Each series will consist of measurements taken from 3 adjacent sites. All measurements will be performed by the same two individuals Unit of measurement: %
RBCv (Red Blood Cell Velocity)
Sublingual Microcirculation Assessment Sublingual microcirculation will be assessed using the CytoCam-IDF camera (Braedius Medical, Huizen, The Netherlands). The measurement technique involves gently applying the microscope probe with a disposable cap to the sublingual mucosa and recording short video sequences. The device utilizes green LED light to visualize moving blood cells, allowing for subsequent computerized analysis of capillary density and flow quality within the microvessels. Two operators will perform 3 series of measurements at 5-minute intervals with Cytocam - IDF microcirculation camera. Each series will consist of measurements taken from 3 adjacent sites. All measurements will be performed by the same two individuals Unit of measurement: mm/s
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