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StatPearls, LLC

  • Hematoma
  • Hypertension
  • Lithotripsy
  • Organ Transplantation
  • Renal Artery Obstruction

Page Kidney

Page kidney, also termed Page phenomenon, is a rare and treatable cause of secondary hypertension that results from external compression of the kidney, most commonly due to subcapsular or perinephric blood collections after trauma or iatrogenic procedures. Renal compression produces microvascular ischemia and activates the renin-angiotensin-aldosterone system, leading to hypertension that may develop rapidly after the inciting event or may present months to years later. Clinical findings are often nonspecific, and physical examination may be unremarkable apart from elevated blood pressure, which can delay diagnosis when a trauma history is absent. Diagnostic evaluation relies on renal imaging, with renal ultrasonography and computed tomography commonly used to identify hematoma, fluid collections, or alternative causes of compression, particularly when predisposing factors are unclear. Management prioritizes blood pressure control with renin-angiotensin-aldosterone system blockade when appropriate and may include percutaneous drainage or surgical decompression for persistent symptoms, enlarging collections, or refractory hypertension. Participation in this educational activity strengthens clinicians’ ability to recognize Page kidney, select appropriate imaging strategies, and initiate timely medical or procedural treatment to prevent complications such as persistent hypertension, renal impairment, and loss of renal allograft in transplant settings. The activity emphasizes risk assessment in patients with new or refractory hypertension after renal biopsy, renal transplant, shock wave lithotripsy, or abdominal trauma, and highlights differentiating features from other etiologies of elevated renin levels, including renal artery stenosis and parenchymal renal disease. Learners develop skills in coordinating evaluation and treatment across care settings, including consultation with nephrology, urology, radiology, and surgical teams when indicated. Collaboration among…

Credit & MOC Details

Credit information is provided by the course provider. We recommend confirming credit eligibility with the provider or your licensing board before starting the activity.

Credit types

AAPA Category 1 Credit™Up to 1 creditAMA PRA Category 1 Credit™Up to 1 creditNursingUp to 1 creditPharmacyUp to 1 credit

MOC types

ABS — Accredited CMEUp to 1 pointABPATH — Lifelong LearningUp to 1 pointABTS — Accredited CMEUp to 1 pointABIM — Medical KnowledgeUp to 1 pointABS — Self-AssessmentUp to 1 pointABP — Lifelong Learning and Self-AssessmentUp to 1 pointABTS — Self-AssessmentUp to 1 point

FDA REMS

No

Qualifies for MIPS

No

Target Specialties

Pricing

Fee varies

This provider typically $49–98

See fees on statpearls.com

Listed by the provider

  • Article / monograph / reference
  • Credit · Up to 1 credit
  • MOC · Up to 1 point
  • Fee varies · this provider typically $49–98
  • Released
    Sep 1, 2026
  • Last day to claim credit
    Sep 1, 2029 3 years left

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