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Abstract #2942

2D phase-contrast MRI as an integrative method for the evaluation of patients with chronic thromboembolic pulmonary hypertension before and after pulmonary endarterectomy

Christoph P. Czerner1, Christian Schoenfeld1, Serghei Cebotari2, Julius Renne1, Till F. Kaireit1, Hinrich B. Winther1, Gesa H. Hauck1, Marius Hoeper3, Frank Wacker1, and Jens Vogel-Claussen1

1Institute for Diagnostic and Interventional Radiology, Hannover Medical School, Hannover, Germany, 2Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany, 3Clinic for Pneumology, Hannover Medical School, Hannover, Germany

Pulmonary endarterectomy (PEA) is an established method for treatment of chronic thromboembolic pulmonary hypertension (CTEPH). MRI is currently proposed as novel tool for treatment monitoring. We evaluated 2D phase-contrast (PC) MRI of the main pulmonary artery as perioperative monitoring method in relation to cardiac and parenchymal perfusion MRI as well as to clinical parameters. 32 CTEPH patients who underwent MRI before and after PEA were analyzed. Results show improved postoperative pulmonary hemodynamics. 2D PC MRI data correlate well with cardiac as well as perfusion changes and clinical parameters which makes this method a simple tool for treatment monitoring after PEA.

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