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Related Concept Videos

Acute Kidney Injury II: Pathophysiology01:29

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Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
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Acute Kidney Injury I: Introduction01:22

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Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
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Acute Kidney Injury III: Clinical Manifestations01:29

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Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
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Acute Kidney Injury V: Interprofessional Care01:20

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Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Acute Kidney Injury VI: Nursing Management01:22

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Acute Kidney Injury (AKI) results in an inability to maintain fluid, electrolyte, and acid-base balance. Effective nursing management is critical in improving patient outcomes and includes comprehensive patient assessment and targeted interventions.Comprehensive Patient AssessmentA detailed history collection is essential, focusing on any recent infections, nephrotoxic medication use, or chronic conditions such as hypertension and diabetes that may contribute to AKI. During the physical...
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Related Experiment Video

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Renal Ischaemia Reperfusion Injury: A Mouse Model of Injury and Regeneration
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Lymphocyte Function in Human Acute Kidney Injury.

Sophie Weller1, Matt Varrier, Marlies Ostermann

  • 1Department of Critical Care, King's College London School of Medical Education, Guy's and St Thomas' NHS Foundation Trust, London, UK.

Nephron
|June 30, 2017
PubMed
Summary

Acute kidney injury (AKI) is inflammatory. Studies show T-lymphocytes are key in animal AKI models, but their role in human AKI needs more research.

Keywords:
Acute kidney injuryInflammationLymphocytesT cells

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Area of Science:

  • Nephrology
  • Immunology
  • Inflammation research

Background:

  • Acute kidney injury (AKI) is an inflammatory condition with significant complications.
  • Animal studies demonstrate inflammatory cells, particularly lymphocytes, are crucial in AKI initiation, progression, and recovery.
  • The role of these cells in common human AKI types is less understood.

Purpose of the Study:

  • To summarize experimental findings on AKI inflammation.
  • To review the role of T-lymphocytes in AKI.
  • To highlight the gap in understanding T-lymphocyte involvement in human AKI.

Main Methods:

  • Review of experimental animal studies (ischaemia reperfusion, caecal ligation/perforation models).
  • Analysis of limited human data on AKI.
  • Focus on T-lymphocyte function in AKI.

Main Results:

  • Experimental models confirm inflammatory cells drive AKI phases.
  • T-lymphocytes play a significant role in these animal models.
  • Data on T-lymphocyte involvement in human AKI remains scarce.

Conclusions:

  • Inflammatory processes, especially T-lymphocyte activity, are central to AKI.
  • Further research is needed to elucidate T-lymphocyte roles in human AKI.
  • Translating findings from animal models to human AKI requires careful consideration.