Pulse wave analysis to assess systemic blood flow during mechanical biventricular support

  title={Pulse wave analysis to assess systemic blood flow during mechanical biventricular support},
  author={Sabino Scolletta and Igor D. Gregoric and L Muzzi and Branislav Radovancevi{\'c} and O. Howard Frazier},
  pages={63 - 66}
Measurement of systemic blood flow is of crucial importance in patients on mechanical circulatory support (MCS). We reported the case of a 65-year-old female patient in severe cardiogenic shock undergoing left (Jarvik 2000 axial flow pump) and right (Levitronix-Centrimag centrifugal pump) ventricular assist device implant. Evaluation of blood flow was obtained by ultrasonic flowmetry, continuous thermodilution technique, and pressure recording analytical method (PRAM). This pulse contour system… Expand
8 Citations
Continuous cardiac output monitoring with an uncalibrated pulse contour method in patients supported with mechanical pulsatile assist device.
Good agreements were demonstrated between PRAM-CO, ThD-CCO and LVAD-CO and may be a complementary tool in the hemodynamic assessment of patients supported with a VAD. Expand
An Uncalibrated Pulse Contour Method to Measure Cardiac Output During Aortic Counterpulsation
The MostCare system provided measurements of CO that were comparable to ThD-CO in patients assisted with an intraaortic balloon pump, and the reliability of the Most care system is not significantly affected by changes in arterial waveform morphology caused by inflation and deflation of the intraaortal balloon pump. Expand
Cardiac index assessment by the pressure recording analytic method in critically ill unstable patients after cardiac surgery.
Cardiac index measurements after cardiac surgery performed with the Pressure Recording Analytic Method and with the reference method of thermodilution showed a good agreement in hemodynamically unstable patients given high doses of inotropes and/or an IABP in patients in sinus rhythm, but not in those with atrial fibrillation. Expand
Comparison of estimation of cardiac output using an uncalibrated pulse contour method and echocardiography during veno-venous extracorporeal membrane oxygenation
The pulse contour method is a valuable alternative to echocardiography for the assessment of cardiac output and the blood flow/cardiac output ratio in patients treated with veno-venous extracorporeal membrane oxygenation. Expand
A System for Continuous Estimating and Monitoring Cardiac Output via Arterial Waveform Analysis
Evaluation of the developed CO estimation system showed that the developed system is capable of accurately estimating CO and may be a suitable system for monitoring hemodynamic status of critically ill patients. Expand
Echocardiography and Hemodynamic Monitoring Tools for Clinical Assessment of Patients on Mechanical Circulatory Support
Echocardiography is considered as the procedure of choice for the evaluation of cardiac performance and to gather other critical information both in the pre, intra and postoperative phases and due to intrinsic nature, it cannot be considered a bedside continuous monitoring system. Expand
The Pressure Recording Analytical Method (PRAM): Technical Concepts and Literature Review.
Department of Anesthesiology and Critical Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy Department of Health Science, University of Florence, Florence, Italy Department of MedicalExpand
C Valvular heart disease Percutaneous valve aortic valve replacement : time to expand ?
  • 2008
This bibliography is compiled by clinicians from the journals listed at the end of this publication. It is based on literature entered into our database between 1 November 2006 and 31 October 2007Expand


Systemic arterial waveform analysis and assessment of blood flow during extracorporeal circulation
PRAM provided accurate, continuous quantification of peripheral blood flow during each phase of cardiac surgery, including ECC, and allowed early recognition of patients with low CO during weaning from the pump. Expand
Assessment of cardiac output from systemic arterial pressure in humans
In the range evaluated (cardiac index from 1.65 to 3.91 L·min−1·m−2 by the Fick method), PRAM provides reliable invasive and noninvasive estimates of cardiac output in hemodynamically stable cardiac patients and may prove clinically useful for the beat-to-beat monitoring of heart output. Expand
Pressure recording analytical method (PRAM) for measurement of cardiac output during various haemodynamic states.
In a porcine model, PRAM is a reliable tool to detect changes in cardiac output in pigs and has ability as a basic research tool and is demonstrated accuracy during various haemodynamic states. Expand
Validation of continuous thermodilution cardiac output in patients implanted with a left ventricular assist device.
The data indicate that the CCO system tends to overestimate cardiac output by approximately 500 mL/min when compared with LVAD flow, which is within the range found by other less-invasive studies done to assess the accuracy of this system and further serves to confirm its relative accuracy. Expand
Continuous flow pumps and total artificial hearts: management issues.
This work compared the Jarvik 2000 axial-flow pump and the AbioCor TAH, which provides complete circulatory support for bridge-to-transplantation and destination therapy and found that Jarvik-supported patients do not require medications to support heart function. Expand
Cardiac output monitoring by pressure recording analytical method in cardiac surgery.
Under the studied conditions, good agreement between PRAM data and ThD measurements is demonstrated, and this new method has shown to be accurate for real-time monitoring of cardiac output in cardiac surgery. Expand
Anesthetic Management for Implantation of the Jarvik 2000™ Left Ventricular Assist System
In the first group of 10 patients to receive the Jarvik 2000, the pump provided a cardiac output of up to 8 L/min, depending on preload, afterload, and pump speed, and seven of the 10 patients survived to transplantation. Expand
Assessment of left ventricular cardiac output by arterial thermodilution technique via a left atrial catheter in a patient on a right ventricular assist device
Following heart transplantation in a 49-year old male, the patient’s haemodynamic situation deteriorated in the early postoperative period despite increasing doses of catecholamines, and a right ventricular assist device was implanted to support the right ventricle of the failing graft. Expand