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A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
Published on: February 2, 2021
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Continuous Renal Replacement Therapy in Acute Brain Injury
Luis Cruz-Llanos1, Alejandra Molano2, Lilia Rizo-Topete3,4
1Nephrology Service, National Cardiovascular Institute "Carlos Alberto Peschiera Carrillo", Lima, Peru.
Frontiers in Nephrology
|September 7, 2023
Summary
Acute brain injury and acute kidney injury can worsen each other. Continuous venous-venous hemofiltration may be beneficial for neurocritical patients with acute kidney injury, but more research is needed.
Area of Science:
- Nephrology
- Neurology
- Critical Care Medicine
Background:
- Acute brain injury (ABI) disrupts blood-brain barrier integrity, leading to metabolic and inflammatory issues that can worsen acute kidney injury (AKI).
- Severe AKI can cause internal environment alterations, increasing risks of intracranial hypertension and cerebral edema in critically ill patients.
- Timely identification and comprehensive management of these interconnected injuries are crucial.
Purpose of the Study:
- To review the role of continuous renal replacement therapy (CRRT), specifically continuous veno-venous hemofiltration (CVVH), in managing AKI in patients with ABI.
- To highlight the potential benefits of CVVH in maintaining hemodynamic stability and reducing cerebral edema in neurocritical patients.
Main Methods:
- Literature review focusing on studies evaluating CRRT and CVVH in critically ill patients with concurrent ABI and AKI.
- Analysis of factors influencing CVVH efficacy, including timing, dose, fluid composition, and anticoagulation.
Main Results:
- CVVH is emerging as a preferred CRRT modality for AKI in patients with ABI due to its hemodynamic stability and potential to mitigate cerebral edema.
- Optimal management of CVVH parameters is critical for neurocritical patient outcomes.
Conclusions:
- CVVH shows promise in managing AKI in neurocritical patients, offering advantages in hemodynamic support and cerebral edema reduction.
- Further research is needed to fully elucidate the role and optimize the application of hemofiltration in this complex patient population.
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