The minimally-invasive FloTrac system is a practical, reliable solution for advanced hemodynamic monitoring that automatically calculates key flow parameters every 20 seconds. Continuous clarity provided by the FloTrac system offers proactive decision support to manage hemodynamic instability and ensure adequate perfusion.
The FloTrac sensor integrates with the Edwards HemoSphere platform to show patient status at a glance, for visual clinical support and increased clarity in volume administration during moderate and high-risk surgical procedures.
Proactive decision support offered by the FloTrac system helps guide individualized treatment decisions for your moderate- to high-risk surgery patients, and can also be utilized perioperatively to proactively manage your patient’s physiological status in rapidly changing clinical situations in the OR and ICU.
Compensating for patient-to-patient differences in vasculature, real-time changes in vascular tone and differing arterial sites, the FloTrac system algorithm looks for characteristic changes in arterial pressure waveform that reflect changes in tone (i.e., MAP, Skewness, Kurtosis).
The FloTrac system algorithm is based on the principle that aortic pulse pressure is proportional to stroke volume (SV) and inversely related to aortic compliance. In addition, compliance inversely affects PP as the algorithm compensates for the effects of compliance on PP based on age, gender, and body surface area (BSA).
|Model||Description||Length||Unit of Measure|
|MHD8||FloTrac sensor||84 in/213cm||1 Each|
|MHD85||FloTrac sensor||84 in/213cm||5 Each|
|MHD6||FloTrac sensor||60 in/152cm||1 Each|
|MHD65||FloTrac sensor||60 in/152cm||5 Each|
|MHD6AZ||FloTrac sensor with VAMP adult system||60 in/152cm||1 Each|
|MHD6AZ5||FloTrac sensor with VAMP adult system||60 in/152cm||5 Each|
The FloTrac system provides access to advanced hemodynamic parameters to allow you to evaluate hemodynamic instability and guide appropriate treatment.
Clarity through advanced hemodynamic monitoring parameters CO, SV, SVV and SVR provided by the FloTrac system can help you determine if the cause of IOH is preload, afterload or contractility.
If the underlying cause of hemodynamic instability is related to flow generation, continuous parameters provided by the FloTrac system can help you determine appropriate fluid therapy.
Continuous assessment of pressure and flow parameters offers proactive decision support to help proactively manage the duration and severity of IOH episodes.
When managing perfusion, stroke volume can be optimized using the patient’s own Frank-Starling curve – a plot of SV vs. preload. The patient’s location on the curve can be determined by measuring changes in SV in response to change in preload using a bolus fluid challenge or passive leg raise (PLR).
Dynamic and flow-based parameters are more informative than conventional parameters in determining fluid responsiveness and may help guide individualized volume administration in patients and avoid excessive and insufficient administration.1
Additionally, stroke volume variation (SVV) has been proven to be a highly sensitive and specific indicator for preload responsiveness when managing volume. As a dynamic parameter, SVV has been shown to be an accurate predictor of fluid responsiveness in loading conditions induced by mechanical ventilation.2-5
Frank-Starling relationship between preload and stroke volume (SV)
Advanced hemodynamic parameters provided by the FloTrac system may be used in Perioperative Goal-Directed Therapy (PGDT) protocols to help reduce variability in fluid administration and guide optimal volume management in patients at risk of developing complications.
The algorithm of the FloTrac system utilizes advanced waveform processing to adjust dynamically for vascular tone (resistance and compliance) in addition to patient specific variables (age, gender, body surface area, etc.) in order to calculate the key flow related parameters stroke volume and cardiac output.
The result is an enhanced ability to determine the adequacy of cardiac flow, which comprises the Y-axis of the Frank-Starling Curve.
Additionally, the FloTrac system measures preload responsiveness for the X-axis of the Frank-Starling curve through one of three distinct, practical methods:
The 4.0 version of the FloTrac system algorithm uses expanded patient data to include more diverse clinical situations and high-risk surgical procedures, such as gastrointestinal, pancreaticoduodenectomy (whipple), kidney transplant, nephrectomy, hip replacement and esophagectomy.
To recognize and adjust for more patient conditions, the version 4.0 algorithm is modeled and compared across a wide range of hemodynamic values, patient profiles, pathologies and hemodynamic conditions.
Clinicians can now monitor and utilize SVV as a reliable indicator of preload responsiveness in most patients despite significant arrhythmias, even multiple premature atrial or ventricular contractions (PACs and PVCs).
Through continuous beat detection and analysis, the FloTrac system 4.0 algorithm allows for the ongoing use of Stroke Volume Variation as a reliable indicator of preload responsiveness. The FloTrac system algorithm enables the display and use of SVV in patients with multiple premature atrial or ventricular contractions and allows the clinician to guide volume resuscitation despite most arrhythmias.
Estimation of Stroke Volume Variation by the SVVxtra algorithm is based on detection of abnormal beats, interpolation of remaining beats, restoration of missing beats, and calculation of Stroke Volume Variation1
With a long-term commitment to improving the quality of care for surgical and critical care patients through education, Edwards Clinical Education meets you no matter where you are in the learning process — with a continuum of resources and tools that continuously support you as you solve the clinical challenges facing you today, and in the future.
Watch videos, explore the Fluid Response Simulator, sign up for eLearnings, download the Normal Hemodynamic Parameters pocket card and more.
Protocolized volume management
Reducing fluid variability using Perioperative Goal-Directed Therapy (PGDT)
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For a listing of indications, contraindications, precautions, warnings, and potential adverse events, please refer to the Instructions for Use (consult eifu.edwards.com where applicable).
Edwards Lifesciences devices placed on the European market meeting the essential requirements referred to in Article 3 of the Medical Device Directive 93/42/EEC bear the CE marking of conformity.
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