Related Experiment Video

Updated: Nov 9, 2025

A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro
11:30

A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro

Published on: June 2, 2022

2.2K

Sequential Bone Scintigraphy and the Evolution of Warfarin-Mediated Calcific Uremic Arteriolopathy

Peter W Santos1, James B Wetmore2

  • 1Arizona Kidney Disease and Hypertension Center, Phoenix, Arizona, USA.

Case Reports in Nephrology and Dialysis
|April 8, 2021
PubMed

Insights

Calcific uremic arteriolopathy (CUA) is a vascular complication in dialysis patients. This case suggests long-term warfarin may contribute to CUA development in chronic kidney disease patients.

Area of Science:

  • Nephrology
  • Vascular Biology
  • Mineral Metabolism

Background:

  • Calcific uremic arteriolopathy (CUA), or calciphylaxis, is a severe condition causing tissue ischemia.
  • It predominantly affects end-stage renal disease (ESRD) patients undergoing maintenance hemodialysis (HD).
  • Mineral metabolism derangements and vascular calcification are key features of CUA.

Observation:

  • A case report details a patient with chronic kidney disease (CKD) who developed CUA.
  • This occurred during a period of long-term warfarin anticoagulation.
  • The patient progressed to ESRD and required HD.

Findings:

  • Serial bone scintigraphy using 99mTc-methylene diphosphonate tracked metastatic CUA.
  • CUA progression was observed over five months post-HD initiation.
  • A temporal link between warfarin use and CUA development was noted.

Implications:

  • Warfarin's potential role in CUA warrants further investigation.
  • Vitamin K-dependent matrix Gla protein function may be implicated.
  • Understanding these links could improve CUA management in CKD and ESRD patients.

Keywords:
Bone scintigraphyCalcific uremic arteriolopathyCalciphylaxisEnd-stage renal diseaseWarfarin

More Related Videos

Author Spotlight: Enhanced Quantification of Cardiovascular Calcification Progression for Longitudinal Micro PET/CT Studies in Small Research Animals08:02

Author Spotlight: Enhanced Quantification of Cardiovascular Calcification Progression for Longitudinal Micro PET/CT Studies in Small Research Animals

Published on: November 15, 2024

806
Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation08:43

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation

Published on: May 31, 2016

19.9K

Related Concept Videos

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
197
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
100
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
130
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
345
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
118