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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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The genitourinary system is critical to maintaining fluid balance, waste elimination, and reproductive function. Nurses play a vital role in assessing this system, beginning with a thorough health history. This process involves gathering patient information, identifying risk factors, and recognizing symptoms of genitourinary disorders. Early detection is vital for timely interventions and management.1. Gathering Patient InformationA complete health history includes the patient’s personal,...
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Can Takayasu Arteritis Cause Hydronephrosis?

Kanako Terakawa1, Akinari Sekine1, Noriko Inoue1

  • 1Nephrology Center and Department of Rheumatology, Okinaka Memorial Institute for Medical Research, Toranomon Hospital, Japan.

Internal Medicine (Tokyo, Japan)
|May 31, 2023
PubMed
Summary
This summary is machine-generated.

This study highlights a rare case of Takayasu arteritis in an elderly woman presenting with vague symptoms. Prompt diagnosis using advanced imaging led to effective steroid treatment, improving patient outcomes.

Keywords:
18F-fluordesoxyglucose positron emission tomographyTakayasu arteritishydronephrosisretroperitoneal fibrosis

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Area of Science:

  • Vascular Inflammation and Autoimmune Diseases
  • Diagnostic Imaging in Arterial Disorders
  • Clinical Manifestations of Rare Vasculitides

Background:

  • Takayasu arteritis is a rare, large-vessel vasculitis primarily affecting young women, but can present atypically in older individuals.
  • Distinguishing Takayasu arteritis from other conditions like retroperitoneal fibrosis is crucial for appropriate management.
  • Systemic inflammation markers and advanced imaging play key roles in diagnosis.

Observation:

  • A 74-year-old woman presented with malaise and low-grade fever, with elevated C-reactive protein.
  • Computed tomography (CT) revealed diffuse arterial wall thickening in the aorta and iliac arteries, alongside right hydronephrosis.
  • 18F-fluordesoxyglucose positron emission tomography-CT demonstrated inflammatory activity in the affected arterial segments.

Findings:

  • Imaging findings suggested both Takayasu arteritis (arterial wall thickening) and retroperitoneal fibrosis (membranous lesions).
  • The characteristic arterial wall thickening pattern strongly favored Takayasu arteritis as the primary diagnosis.
  • The patient's clinical presentation and imaging results were consistent with Takayasu arteritis.

Implications:

  • This case underscores the importance of considering Takayasu arteritis in elderly patients with unexplained arterial inflammation.
  • Early diagnosis and intervention with corticosteroids can lead to favorable outcomes in Takayasu arteritis.
  • Advanced imaging techniques are invaluable for differentiating between similar vascular and fibrotic conditions.