A new technique for measuring fistula flow using venous blood gas oxygen saturation in patients with a central venous catheter.

Journal: Clinical kidney journal
Published Date: Jun 1, 2019

Abstract

BACKGROUND: Doppler ultrasound (DU) monitoring early after arteriovenous fistula (AVF) creation allows the identification of low blood flow (Qa) requiring prompt revision, but it is costly (needs skilled operators and technical instruments) and is not available in all dialysis units. Therefore alternative first-line methods to measure Qa would be welcomed. We reasoned that once an AVF is created, an increment in central venous oxygen saturation (ScvO) is predictable and proportional to Qa.

Authors

  • Silverio Rotondi
    Nephrology and Dialysis Unit, ICOT Hospital, Polo Pontino Sapienza University of Rome, Italy.
  • Lida Tartaglione
    Nephrology and Dialysis Unit, ICOT Hospital, Polo Pontino Sapienza University of Rome, Italy.
  • Maria Luisa Muci
    Nephrology and Dialysis Unit, ICOT Hospital, Polo Pontino Sapienza University of Rome, Italy.
  • Marzia Pasquali
    Nephrology and Dialysis Unit, Policlinico Umberto I, Rome, Italy.
  • Nicola Pirozzi
    Department of Clinical and Molecular Medicine, Nephrology Unit Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy.
  • Sandro Mazzaferro
    Nephrology and Dialysis Unit, ICOT Hospital, Polo Pontino Sapienza University of Rome, Italy.

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