Selected Publication:

SHR Neuro Cancer Cardio Lipid Metab Microb

Zeder, K; Siew, ED; Kovacs, G; Brittain, EL; Maron, BA.
Pulmonary hypertension and chronic kidney disease: prevalence, pathophysiology and outcomes.
Nat Rev Nephrol. 2024; Doi: 10.1038/s41581-024-00857-7
Web of Science PubMed FullText FullText_MUG

 

Leading authors Med Uni Graz

Zeder Katarina Eleonora

Co-authors Med Uni Graz

Kovacs Gabor

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Abstract:

Pulmonary hypertension (PH) is common in patients with chronic kidney disease (CKD) or kidney failure, with an estimated prevalence of up to 78% in those referred for right-heart catheterization. PH is independently associated with adverse outcomes in CKD, raising the possibility that early detection and appropriate management of PH might improve outcomes in at-risk patients. Among patients with PH, the prevalence of CKD stages 3 and 4 is estimated to be as high as 36%, and CKD is also independently associated with adverse outcomes. However, the complex, heterogenous pathophysiology and clinical profile of CKD-PH requires further characterization. CKD is often associated with elevated left ventricular filling pressure and volume overload, which presumably leads to pulmonary vascular stiffening and post-capillary PH. By contrast, a distinct subgroup of patients at high risk is characterized by elevated pulmonary vascular resistance and right ventricular dysfunction in the absence of pulmonary venous hypertension, which may represent a right-sided cardiorenal syndrome defined in principle by hypervolaemia, salt avidity, low cardiac output and normal left ventricular function. Current understanding of CKD-PH is limited, despite its potentially important ramifications for clinical decision making. In particular, whether PH should be considered when determining the suitability and timing of kidney replacement therapy or kidney transplantation is unclear. More research is urgently needed to address these knowledge gaps and improve the outcomes of patients with or at risk of CKD-PH.

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