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Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

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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...
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Varicose veins, or varicosities, develop when the valves in the veins, which control blood flow, weaken or damage. It causes blood to pool and the veins to enlarge. Understanding the clinical manifestations, diagnostic approaches, and management options for varicose veins is crucial for effective treatment and relief.Clinical manifestationsClinical manifestations of varicose veins include a heavy, achy feeling or pain after prolonged standing or sitting. This discomfort can often be relieved by...
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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Imaging Studies VII: Vascular Imaging01:19

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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...
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Systemic veins are crucial blood vessels that return deoxygenated blood from various body tissues back to the heart. There are three systemic veins that return deoxygenated blood to the heart, they are as follows.
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Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...
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Neonatal Developmental Venous Anomalies: Clinicoradiologic Characterization and Follow-Up.

A F Geraldo1,2, S S Messina3, D Tortora2

  • 1From the Neuroradiology Unit (A.F.G.), Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia, Portugal.

AJNR. American Journal of Neuroradiology
|October 23, 2020
PubMed
Summary

Developmental venous anomalies in neonates are rare but can present with complications, particularly those with multiple or larger collectors. Most cases show favorable outcomes, suggesting a benign nature.

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Area of Science:

  • Neuroimaging
  • Pediatric Neurology
  • Vascular Malformations

Background:

  • Developmental venous anomalies (DVAs) are well-studied in adults but underrepresented in neonatal literature.
  • Neonatal DVAs require specific characterization due to unique clinical and imaging considerations.

Purpose of the Study:

  • To characterize clinical and neuroimaging features of DVAs in neonates.
  • To investigate associations between MR imaging abnormalities and angioarchitectural features of neonatal DVAs.

Main Methods:

  • Retrospective review of brain MR imaging in 41 neonates with DVAs (2008-2019).
  • Analysis of parenchymal abnormalities, angioarchitectural features, and neurologic outcomes.
  • Statistical analysis including chi-squared, Fisher exact, Mann-Whitney U, and t-tests.

Main Results:

  • DVAs detected in 1.9% of neonatal scans; 36.6% had complications.
  • Multiple and larger collectors were associated with complicated DVAs (P=.008 and P<.001).
  • Favorable neuroimaging and neurologic outcomes were observed in most cases.

Conclusions:

  • Neonatal DVAs can be complicated by parenchymal abnormalities, especially with specific angioarchitectural features.
  • Most neonatal DVAs appear benign and self-limiting with favorable outcomes.
  • Congenital origin confirmed in 27.2% of cases with fetal MR imaging data.