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TRUE-TypeCKD Study

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Towards Understanding the Phenotype of Cardiovascular Disease in Chronic Kidney Disease

Premature cardiovascular disease (CVD) is the leading cause of death in patients with kidney disease (CKD). Excessive cardiac mortality is thought to be secondary to non-atherosclerotic processes, with left ventricular (LV) hypertrophy (LVH) and remodelling being the predominant phenotypical features. Along with other risk factors, subclinical ischaemia and haemodynamic perturbations associated with haemodialysis (HD) are thought to contribute to the ultimate development of LV systolic and diastolic dysfunction. The development of these adverse features reflects a specific cardiomyopathy due to CKD and subsequently, to uraemia. Patients receiving hemodialysis (HD) have a higher incidence rate of heart failure (predominantly with preserved ejection fraction), with phenotypically eccentric hypertrophic remodelling, systolic and diastolic dysfunction as well as high rate of interstitial myocardial fibrosis. Detection and ultimately reversal of the development of this CKD-related cardiomyopathy are important goals for improving the CVD, morbidity and mortality of CKD patients.The objectives of this study are, firstly, to investigate the complex myocardial phenotype in patients with various stages of CKD, secondly, to relate the CMR-measures to outcome, and thirdly, to be able to estimate the effects of chronic uremia/hypervolemia. Deciphering the predominant driver of remodelling on an individual level may help to personalise anti-remodelling strategies. Native T1 and T2 mapping imaging provide non-invasive imaging tools to detect myocardial fibrosis and oedema, respectively. Prognostic associations of these measures may clarify the relative prevalence of adverse phenotype and their relative contribution to adverse events and poor outcome. The role of chronic water retention and uraemia may be associated with interstitial myocardial oedema promoting further the remodelling process.

Registration

clinicaltrials.gov (NCT03749551)

Principal Investigator(s)

Collaborators

Priv. Doz. Dr. Valentina Puntmann, Institute of Cardiovascular and Experimental Cardiovascular Imaging, Goethe CVI Frankfurt, University Hospital Frankfurt, Germany
Prof Dr Eike Nagel, Institute of Cardiovascular and Experimental Cardiovascular Imaging, Goethe CVI Frankfurt, University Hospital Frankfurt, Germany
Prof Dr Ingeborg Hauser, Department of Nephrology
Division of Internal Medicine-ZIM III, University Hospital Frankfurt, Frankfurt am Main
Prof Dr Andreas Zeiher, Department of Cardiology
Division of Internal Medicine-ZIM III, University Hospital Frankfurt, Frankfurt am Main
Prof Dr Thomas J Vogl
Head of Department of Diagnostic and Interventional Radiology
University Hospital Frankfurt, Frankfurt am Main
Prof Dr Eva Herrmann  
Institut für Biostatistik und Mathematische Modellierung am Fachbereich Medizin
University Hospital Frankfurt, ​ Frankfurt am Main
with support from Hesse Network of Nephrologists

Study design

An observational longitudinal outcome study of patients with chronic kidney disease

Inclusion criteria

Exclusion criteria

  1. Adults >18 years of age
  2. Able to provide informed consent
  3. Chronic kidney disease stages G3-5 (eGFR<59 ml/min/1.73m2)
  1. Absence of absolute clinical indication for MRI studies (MR unsafe or incompatible devices, aneurysm clips, cochlear implants, loose metal foreign objects)
  2. Absolute contraindications to gadolinium contrast agent (previous allergic reaction or pregnancy)

Baseline CMR Protocol

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An optional second study (after dialysis)

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Interested to take part in TrueTypeCKD Study?

Submit

Where to find us

Institute for Cardiovascular and Experimental Cardiovascular Imaging, Goethe CVI
Haus 25B Ground floor, 
University Hospital Frankfurt, 
Theodor Stern Kai 7, Frankfurt, 60590 Germany
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