Related Experiment Video
Updated: Jun 19, 2026
09:02
A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
Published on: February 2, 2021
[Acute renal failure associated with malignant hypertension].
1Klinik III für Innere Medizin, Herzzentrum der Universität zu Köln, Koln. Natig.Gassanov@uk-koeln.de
Deutsche Medizinische Wochenschrift (1946)
|October 23, 2009
Summary
Malignant hypertension can cause acute kidney injury and uremia, often requiring dialysis or transplantation. Prompt blood pressure control is crucial for managing this severe condition.
Area of Science:
- Nephrology
- Cardiology
- Emergency Medicine
Background:
- Essential hypertension is a common condition, but can progress to severe forms.
- Malignant hypertension is a hypertensive emergency characterized by very high blood pressure and target organ damage.
Observation:
- A 37-year-old woman presented with severe headaches, nausea, and extremely high blood pressure (248/132 mm Hg).
- Laboratory tests revealed acute kidney injury with elevated creatinine and blood urea nitrogen, alongside hematuria and proteinuria.
- Imaging studies ruled out renal artery stenosis or other significant abdominal pathologies.
Findings:
- The patient was diagnosed with malignant hypertension leading to acute renal failure.
- Antihypertensive medication and hemodialysis were initiated, leading to partial improvement in renal function.
- Despite treatment, the patient required inclusion in the renal transplantation program due to anuric renal failure.
Implications:
- Malignant hypertension can lead to irreversible kidney damage and necessitate renal replacement therapy.
- Uremia, a complication of kidney failure, is a significant cause of mortality in malignant hypertension.
- Effective management of hypertension is critical to prevent severe complications like end-stage renal disease.
More Related Videos
Related Concept Videos
01:29Acute Kidney Injury II: Pathophysiology
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...
01:27Dialysis
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...
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...
01:22Acute Kidney Injury I: Introduction
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...
01:29Acute Kidney Injury III: Clinical Manifestations
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...
01:27Acute Pyelonephritis I: Introduction
Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...
01:20Acute Kidney Injury V: Interprofessional Care
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...