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Updated: May 20, 2026

A Modified EPA Method 1623 that Uses Tangential Flow Hollow-fiber Ultrafiltration and Heat Dissociation Steps to Detect Waterborne Cryptosporidium and Giardia spp.

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Permissive hypofiltration.

Lakhmir S Chawla, John A Kellum, Claudio Ronco

Critical Care (London, England)

|July 31, 2012

Summary

This summary is machine-generated.

Acute kidney injury (AKI) management needs a paradigm shift. Permissive hypofiltration aims to rest the kidney, prevent adverse events, and improve survival, mitigating permanent renal damage.

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Area of Science:

Nephrology
Critical Care Medicine

Background:

Acute kidney injury (AKI) is a complex syndrome with diverse causes, high mortality, and risk of permanent renal function loss.
Current understanding of AKI etiology is limited, hindering the development of effective treatments.
Existing therapeutic strategies often focus on augmenting renal function, which may paradoxically worsen outcomes.

Purpose of the Study:

To propose a novel therapeutic approach for acute kidney injury called permissive hypofiltration.
To shift the focus of AKI management from composite endpoints like death/dialysis to improving survival and reducing long-term renal damage.
To outline the primary goals of permissive hypofiltration in managing AKI.

Main Methods:

Conceptual proposal of permissive hypofiltration.
Analogy drawn from managing ventilator-induced lung injury in adult respiratory distress syndrome.
Identification of key therapeutic goals for the proposed approach.

Main Results:

The study proposes that increasing renal blood flow or glomerular filtration rate during AKI might be detrimental.
Permissive hypofiltration is presented as a strategy to "rest" the kidney.
Early renal replacement therapy and avoidance of adverse events like fluid overload are key components.

Conclusions:

A paradigm shift in AKI management is necessary, prioritizing survival and kidney function preservation over traditional composite endpoints.
Permissive hypofiltration offers a new conceptual framework for AKI treatment.
This approach aims to mitigate injury by resting the kidney and avoiding complications, thereby improving patient outcomes and reducing permanent renal damage.