7.5 f triple lumen swan ganz catheter

Manufactured by Edwards Lifesciences

Sourced in United States

The 7.5-F triple lumen Swan-Ganz catheter is a medical device used for hemodynamic monitoring. It is designed to measure various cardiovascular parameters, including cardiac output, pulmonary artery pressure, and central venous pressure.

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4 protocols using 7.5 f triple lumen swan ganz catheter

Hemodynamic Assessment Using Swan-Ganz Catheter

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Hemodynamics were assessed with a balloon-tipped, flow-directed 7.5-F triple lumen Swan-Ganz catheter (Edwards Lifesciences LLC, Irvine, CA, USA). Cardiac output measurements were performed using thermodilution or the direct Fick method.

van der Bruggen C.E., Spruijt O.A., Nossent E.J., Trip P., Marcus J.T., de Man F.S., Jan Bogaard H, & Noordegraaf A.V. (2017). Treatment response in patients with idiopathic pulmonary arterial hypertension and a severely reduced diffusion capacity. Pulmonary Circulation, 7(1), 137-144.

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Right Heart Catheterization Measurements in CTEPH

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Standard RHC was performed using a standard 7.5F triple-lumen Swan-Ganz catheter (Edwards Lifesciences, Irvine, CA, USA). The following parameters were measured: mean RA pressure (mRAP), systolic, diastolic and mPAP, mean pulmonary capillary wedge pressure (PCWP), CO, CI and systemic blood pressure. PCWP was measured at end expiration. CO was measured according to the Fick principle. RV contractility was also quantified by maximum/end-systolic elastance (Ees) and RV afterload with arterial elastance (Ea). Ees was calculated as (RV maximum pressure − mPAP) divided by SV [14 (link), 15 (link)]. Ea was estimated by the ratio of mPAP to SV [15 (link)]. Since healthy controls were not examined with RHC, RV-pulmonary arterial (PA) coupling was assessed using only the volume method (Ees/Ea = RV-SV/RV-end systolic volume) [15 (link), 16 (link)]. For comparison between the CTEPH patient group and healthy control group we used the RV volume method.

Frederiksen C.A., Waziri F., Ringgaard S., Mellemkjær S., Clemmensen T.S., Hjortdal V.E., Nielsen S.L, & Poulsen S.H. (2021). Reverse remodeling of tricuspid valve morphology and function in chronic thromboembolic pulmonary hypertension patients following pulmonary thromboendarterectomy: a cardiac magnetic resonance imaging and invasive hemodynamic study. BMC Cardiovascular Disorders, 21, 450.

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Right Atrial Hemodynamic Assessment

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Hemodynamic assessment was performed as reported with a balloon-tipped, flow-directed 7.5-F triple lumen Swan-Ganz catheter (Edwards Lifesciences LLC, Irvine, CA).^{29 (link)} Measurements of PAP, RAP, PCWP, and cardiac output were taken. Pulmonary vascular resistance was determined with: pulmonary vascular resistance=(mPAP−PCWP)/cardiac output). RA and RV pressure curves were obtained and stored for analysis. The RAP curve was analyzed end-expiratory at the a-wave, v-wave, and minimal pressure during the x-descent for 5 heartbeats of which averages were taken. RA stiffness was quantified as slope between increase in RAP (minimal to maximal pressure) divided by the increase in RA volume (minimal to maximal volume).

van Wezenbeek J., Kianzad A., van de Bovenkamp A., Wessels J., Mouratoglou S.A., Braams N.J., Jansen S.M., Meulblok E., Meijboom L.J., Marcus J.T., Vonk Noordegraaf A., José Goumans M., Jan Bogaard H., Handoko M.L, & de Man F.S. (2021). Right Ventricular and Right Atrial Function Are Less Compromised in Pulmonary Hypertension Secondary to Heart Failure With Preserved Ejection Fraction: A Comparison With Pulmonary Arterial Hypertension With Similar Pressure Overload. Circulation. Heart Failure, 15(2), e008726.

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Cardiac Hemodynamic Measurements Protocol

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RHC was performed with a balloon-tipped, flow-directed, 7.5F triple-lumen Swan-Ganz catheter (Edwards Lifesciences LLC). Cardiac output (CO) was measured by either the Fick method or thermodilution (23% direct Fick, 4% indirect Fick, and 73% thermodilution). Pulmonary vascular resistance (PVR) was calculated as follows: PVR = (mPAP – PAWP)/CO, where mPAP is mean pulmonary arterial pressure and PAWP is pulmonary arterial wedge pressure.

van der Bruggen C.E., Handoko M.L., Bogaard H.J., Marcus J.T., Oosterveer F.P., Meijboom L.J., Westerhof B.E., Vonk Noordegraaf A, & de Man F.S. (2020). The Value of Hemodynamic Measurements or Cardiac MRI in the Follow-up of Patients With Idiopathic Pulmonary Arterial Hypertension. Chest, 159(4), 1575-1585.

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