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January 22, 2018Journal of Nephrology

High-flow arteriovenous fistula and heart failure: could the indexation of blood flow rate and echocardiography have a role in the identification of patients at higher risk?

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Why the study?

Does the indexation of arteriovenous fistula blood flow rate improve the identification of patients at higher risk for high-output cardiac failure compared to absolute blood flow rate?

Population

29 consecutive patients with vascular access blood flow ≥ 2000 ml/min at color-duplex ultrasound examination

Comparison

Indexation of arteriovenous fistula blood flow… vs Absolute arteriovenous fistula blood flow or Qa…

Design

Cross-sectional

Authors

PZPasquale ZamboliAzienda Ospedaliera S.Giuseppe MoscatiSLSergio LucàUniversity of Campania "Luigi Vanvitelli"SBSilvio BorrelliUniversity of Pisa

Discussion

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Member takes

Overview

May support indexed Qa for HOCF screening in AVF patients; leaves open prospective validation versus absolute flow.

Structured PICO

Does the indexation of arteriovenous fistula blood flow rate improve the identification of patients at higher risk for high-output cardiac failure compared to absolute blood flow rate?

P
Population
29 consecutive patients with vascular access blood flow (Qa) ≥ 2000 ml/min at color-duplex ultrasound examination
I
Intervention
Indexation of arteriovenous fistula blood flow for height^2.7 (Qa ≥ 603 ml/min/m^2.7)
C
Comparator
Absolute arteriovenous fistula blood flow (Qa ml/min) or Qa < 603 ml/min/m^2.7
O
Outcome
Presence of high-output cardiac failure (HOCF) symptomssurrogate

Indexing arteriovenous fistula blood flow to patient size (height^2.7) provides a more accurate identification of patients at risk for high-output cardiac failure than absolute blood flow values.

Cite This Study

Zamboli et al. (2018) studied this question.

synapsesocial.com/papers/6a87a356a9eb41bcdfc4d6d3https://doi.org/10.1007/s40620-018-0472-8

Topics

Heart failureHFrEF treatment
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Also Consider

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  1. 1Editorials: The Cardiovascular Effects of Arteriovenous Fistulas in Chronic Kidney Disease: A Cause for Concern?2006 · 96 citations
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