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Related Concept Videos

Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

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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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Renal Failure: Dose Adjustments01:11

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In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
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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 IV: Diagnostic Studies and Prevention01:30

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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 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 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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Renal changes in COVID-19 infection.

Pastora Maria de Araújo Duarte1, Francisco André Gomes Bastos Filho2, João Vitor Araujo Duarte2

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COVID-19 (SARS-CoV-2) infection can cause significant kidney injury, primarily affecting kidney tubules and filtration. Early intervention and monitoring of renal biomarkers are crucial for managing severe cases and reducing mortality.

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Area of Science:

  • Nephrology
  • Infectious Diseases
  • Virology

Background:

  • COVID-19, caused by SARS-CoV-2, emerged in late 2019 and rapidly became a global pandemic.
  • The precise mechanisms of SARS-CoV-2-induced kidney injury remain incompletely understood.
  • Kidney damage is increasingly recognized as a significant factor in COVID-19 severity.

Purpose of the Study:

  • To review the current understanding of kidney injury pathogenesis in COVID-19 patients.
  • To highlight the role of renal impairment in disease progression and outcomes.
  • To emphasize the need for early detection and intervention for at-risk patients.

Main Methods:

  • Review of recent scientific literature and clinical observations.
  • Analysis of reported cases of acute kidney injury in seriously ill COVID-19 patients.
  • Examination of common renal biomarkers and their significance.

Main Results:

  • COVID-19-associated kidney damage primarily involves tubular injury and impaired glomerular filtration.
  • Elevated urea and creatinine levels are common indicators of renal dysfunction.
  • Acute kidney injury was observed in 29% of seriously ill COVID-19 patients in one study.
  • Renal involvement may be an early factor in the COVID-19 disease cascade.

Conclusions:

  • Renal contribution is a critical factor influencing COVID-19 evolution, potentially beyond just a complication.
  • Deeper analysis using conventional kidney injury biomarkers is warranted.
  • Aggressive clinical management and intervention in high-risk patients are necessary to decrease mortality.