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Hemodialysis treatment of cardiorenal syndrome

Boštjan Leskovar, Tjaša Furlan, Simona Poznič

    Clinical Nephrology
    |June 29, 2017
    PubMed

    Insights

    Hemodialysis significantly reduced heart failure hospital readmissions and duration of stay in cardiorenal syndrome patients. This renal replacement therapy improved survival rates compared to the general NYHA IV population.

    Area of Science:

    • Cardiology
    • Nephrology
    • Internal Medicine

    Background:

    • Cardiorenal syndrome (CRS) involves complex interactions between heart and kidney dysfunction.
    • Patients with advanced CRS (NYHA IV) often face high mortality and frequent hospitalizations.
    • Management of fluid overload and kidney function is critical in CRS patients.

    Purpose of the Study:

    • To evaluate the impact of hemodialysis on mortality and hospital readmission in patients with cardiorenal syndrome.
    • To assess the effectiveness of hemodialysis as a renal replacement therapy in advanced heart failure patients.

    Main Methods:

    • A cohort of 67 NYHA IV patients with cardiorenal syndrome underwent hemodialysis.
    • Indications for hemodialysis included progressive kidney decline, heart failure medication intolerance, or refractory hypervolemia.
    • Patients received low-efficacy bicarbonate hemodialysis with central venous catheter access.

    Main Results:

    • Hemodialysis led to a significant decrease in heart failure hospital readmissions (0.79 to 0.22 per year).
    • Annual hospital stay duration was reduced (11.4 to 3.7 days).
    • 1-, 2-, 3-, 4-, and 5-year survival rates were 81%, 61%, 52%, 47%, and 39%, respectively.

    Conclusions:

    • Chronic hemodialysis with strict control of uremia, electrolytes, and volume may benefit advanced heart failure patients.
    • Hemodialysis demonstrated improved survival and reduced hospital readmissions compared to ultrafiltration alone in terminal CRS.
    • This approach offers a better prognosis for cardiorenal syndrome patients than previously observed in the general NYHA IV population.
    Abstract

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