• Cardiorenal medicine · Jan 2021

    Dynamic Changes in Portal Vein Flow during Decongestion in Patients with Heart Failure and Cardio-Renal Syndrome: A POCUS Case Series.

    • Eduardo R Argaiz, Philippe Rola, and Gerardo Gamba.
    • Department of Internal Medicine, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Tlalpan, Mexico City, Mexico, lalo.argaiz@gmail.com.
    • Cardiorenal Med. 2021 Jan 1; 11 (1): 59-66.

    IntroductionOptimal method for noninvasive assessment of venous congestion remains an unresolved issue. Portal vein (PV) and intrarenal venous flow alterations are markers of abdominal venous congestion and have been associated with acute kidney injury (AKI) in cardiac surgery patients. It is currently unknown if portal vein flow (PVF) alterations in heart failure can be reversed with diuretic treatment and track decongestion.ObjectiveThe aim of this study is to evaluate PVF alterations in patients with ADHF at arrival and after decongestive treatment.MethodsAssessment of venous congestion using point-of-care ultrasound was performed in 12 patients with ADHF (6 patients with left-sided heart failure and 6 patients with right-sided heart failure). Evaluation included inferior vena cava (IVC) size and collapsibility in addition to PV Doppler to determine pulsatility fraction (PF).ResultsIncreased PV PF (81.75 ± 13%) was found on admission. After effective decongestive treatment, it improved to (17.43 ± 2.2%). Improvement in IVC size and collapsibility was seen in most patients with left-sided heart failure and none of the patients with right-sided heart failure. Improvement in PV PF coincided with return to baseline of Serum Cr in patients that presented with AKI.ConclusionsEvaluation of abdominal venous congestion by point-of-care ultrasound could aid in diagnosis and follow-up of patients with congestive kidney injury.© 2021 S. Karger AG, Basel.

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