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Related Concept Videos

Dialysis01:27

Dialysis

236
Renal failure occurs when the kidneys lose their ability to filter waste products from the blood effectively. It can be classified into two types: acute renal failure (ARF) and chronic renal failure (CRF).
Acute kidney injury develops suddenly and can be caused by pre-renal causes (e.g., hypovolemia, shock), intrinsic renal causes (e.g., acute tubular necrosis), or post-renal causes (e.g., urinary obstruction). In contrast, chronic renal failure progresses gradually over time and is often...
236
Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

45
In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
45
Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

36
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
36
Kidney Structure01:45

Kidney Structure

67.3K
The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
67.3K

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Related Experiment Video

Updated: May 16, 2025

Noninvasive and Invasive Renal Hypoxia Monitoring in a Porcine Model of Hemorrhagic Shock
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Incidence and Predictors of Acute Kidney Injury and Continuous Renal Replacement Therapy in Critically Ill Trauma

Ayal Z Pierce1, Kimberly Boswell2, Emily C Esposito2

  • 1Divsion of Pulmonary and Critical Care Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA.

Artificial Organs
|April 4, 2025
PubMed
Summary
This summary is machine-generated.

Acute Kidney Injury (AKI) and Continuous Renal Replacement Therapy (CRRT) are common in trauma patients and linked to higher mortality. Early identification of risk factors like age and injury severity is crucial for timely intervention.

Keywords:
AKICRRTICUcritical careshocktrauma

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Area of Science:

  • Nephrology
  • Trauma Surgery
  • Critical Care Medicine

Background:

  • Acute Kidney Injury (AKI) significantly increases morbidity and mortality in critically ill trauma patients.
  • A subset of trauma patients with severe AKI necessitates Continuous Renal Replacement Therapy (CRRT).
  • Understanding AKI and CRRT incidence and predictors in trauma is vital for improving outcomes.

Purpose of the Study:

  • To investigate the incidence of AKI and CRRT in trauma intensive care unit (ICU) patients.
  • To identify predictors associated with AKI development and progression to CRRT.
  • To analyze the impact of AKI and CRRT on survival rates in trauma patients.

Main Methods:

  • A 10-year retrospective review (2014-2023) of trauma ICU patients at a Level I trauma center.
  • Classification of patients into three groups: no AKI, AKI without CRRT, and AKI requiring CRRT.
  • Statistical analyses including logistic regression and Kaplan-Meier survival estimates to identify risk factors and survival predictors.

Main Results:

  • 5.5% of 8427 trauma patients developed AKI, with 1% requiring CRRT.
  • AKI was associated with decreased survival (83% vs. 88%), and CRRT further lowered survival (73% vs. 83%).
  • Predictors for AKI included older age, higher Injury Severity Score (ISS), and lower admission systolic blood pressure; tachycardia predicted CRRT need.

Conclusions:

  • AKI and CRRT are significant contributors to mortality in trauma patients.
  • Predictive factors such as age, injury severity, and hemodynamic status can guide early interventions for AKI.
  • Further research is needed to optimize CRRT timing and assess its impact within trauma-specific contexts.