For right heart catheterization a 7F Swan-Ganz catheter (Baxter, Irvine, CA) was inserted via a jugular or femoral access. Filling pressures were averaged after recording of eight heart cycles using CathCorLX (Siemens AG, Berlin and Munich, Germany). PAWP, pulmonary arterial pressure (PAP), and cardiac output (CO), were determined. CO was measured by both thermodilution and Fick method. Simultaneously, all patients underwent direct assessment of LV filling pressures, followed by coronary angiography. Standard formulae were used for the calculation of hemodynamic parameters[16 (link), 17 (link)].
7f swan ganz catheter
Manufactured by Baxter
Sourced in Germany
The 7F Swan-Ganz catheter is a medical device used for hemodynamic monitoring. It is designed to measure various cardiovascular parameters, such as cardiac output, pulmonary artery pressure, and central venous pressure, to assist healthcare professionals in evaluating a patient's cardiovascular function.
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7 protocols using 7f swan ganz catheter
1
Comprehensive Hemodynamic Assessment Protocol
2
Invasive Hemodynamic Assessment Protocol
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For right heart catheterization, a 7F Swan-Ganz catheter (Baxter, Irvine, CA) was inserted via a jugular or femoral access. Filling pressures were averaged after recording of 8 heart cycles using CathCorLX (Siemens AG, Berlin and Munich, Germany). Pulmonary artery wedge pressure, pulmonary arterial pressure, cardiac output, right atrial pressure, arterial oxygen saturation, and mixed venous oxygen saturation were determined. Cardiac output was measured by both thermodilution and Fick method. Simultaneously, all patients underwent direct assessment of LV filling pressures, followed by coronary angiography. Derived hemodynamic parameters were calculated according to standard formulae.
3
Hemodynamic Assessment of HFpEF
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For hemodynamic confirmation of HFpEF, a 7F Swan-Ganz catheter (Baxter, Healthcare Corp, Munich, Germany) was inserted via a femoral approach22 (link). CathCorLX (Siemens AG, Erlangen, Germany) was used to measure pressures, which were recorded as average of eight measurements over eight recorded heart cycles. Cardiac output (CO) was assessed by thermodilution and by Fick’ s method. The transpulmonary pressure gradient (TPG) was calculated by subtracting pulmonary artery wedge pressure (PAWP) from mean pulmonary artery pressure (PAP) and pulmonary vascular resistance (PVR) was calculated by dividing TPG by CO.
4
Comprehensive Right Heart Catheterization Protocol
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For right heart catheterization, a 7F Swan‐Ganz catheter (Baxter) was inserted via a jugular or femoral access. Pressures were documented as a digitized mean over the whole respiratory cycle including at least eight consecutive heart cycles using CathCorLX (Siemens AG). In addition to mean pulmonary artery wedge pressure, the systolic, diastolic and mean pulmonary artery pressures were documented. Left ventricular end‐diastolic pressure was manually checked in each patient.
Cardiac output was measured by thermodilution. Furthermore, the transpulmonary gradient was calculated by subtracting wedge pressure from mean pulmonary artery pressure. Diastolic pulmonary vascular pressure gradient was defined as the difference between diastolic pulmonary artery pressure and pulmonary artery wedge pressure during a pullback. Pulmonary vascular resistance was calculated by dividing transpulmonary gradient by cardiac output. Following right heart catheterization, coronary angiography was performed in the same procedure.
Cardiac output was measured by thermodilution. Furthermore, the transpulmonary gradient was calculated by subtracting wedge pressure from mean pulmonary artery pressure. Diastolic pulmonary vascular pressure gradient was defined as the difference between diastolic pulmonary artery pressure and pulmonary artery wedge pressure during a pullback. Pulmonary vascular resistance was calculated by dividing transpulmonary gradient by cardiac output. Following right heart catheterization, coronary angiography was performed in the same procedure.
5
Right Heart Catheterization and Coronary Angiography
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For right heart catheterization, a 7F Swan‐Ganz catheter (Baxter, Irvine, CA) was inserted via a jugular or femoral access. Pressures were documented as a digitized mean over the whole respiratory cycle including at least eight consecutive heart cycles using CathCorLX (Siemens AG, Berlin and Munich, Germany). Mean pulmonary artery wedge pressure as well as systolic, diastolic, and mean pulmonary artery pressures were documented. LV end‐diastolic pressure was manually checked in each patient. Cardiac output was measured by thermodilution. Derived haemodynamic parameters were calculated with standard formulas. Following right heart catheterization, coronary angiography was performed in the same procedure.
6
Hemodynamic Assessment of HFpEF
7
Hemodynamic Assessment of Pulmonary Pressures
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Hemodynamic assessment was performed using an air-filled balloon-tipped 7 F Swan-Ganz TD catheter (131F7; Edwards Lifesciences, Irvine, CA) in London and a fluidfilled balloon-tipped 7 F Swan-Ganz catheter (131HF7; Baxter Healthcare Corp., Irvine, CA) in Amsterdam. During continuous electrocardiographic monitoring, mean right atrial pressure (mRAP), mean pulmonary artery pressure (mPAP), and pulmonary artery wedge pressure (PAWP) were recorded, and mixed venous oxygen saturation (SvO 2 ) was measured. All pressure measurements were performed at end-expiration. In case of large intrathoracic pressure changes of the PAWP curve during the respiratory cycle, an average over at least 3 to 4 respiratory cycles was obtained. Cardiac output was determined by thermodilution or the direct Fick method. PVR [WU] was calculated as (mPAP -PAWP)/cardiac output. 26
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