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The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...
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Cardiovascular diseases, encompassing a range of conditions, can significantly affect the heart's operations and the overall circulatory system. These conditions impair the heart's ability to pump blood, leading to a deficit in oxygen supply to crucial organs. Anomalies in the heart's electrical system, known as arrhythmias, can cause heartbeats to accelerate or slow down. Usually, heart rates increase during physical activity and decrease while resting or sleeping. However,...
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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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Rheumatic Heart Disease I: Introduction01:23

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Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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Myocarditis I: Introduction01:21

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Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
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Endocarditis II: Clinical Features of Infective Endocarditis01:25

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Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
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[Vasculitides].

Thomas Rauen1, Kristian Vogt2, Stefan Krämer2

  • 1Sektion Rheumatologie, Medizinische Klinik II (Klinik für Nieren- und Hochdruckkrankheiten, rheumatologische und immunologische Erkrankungen), Universitätsklinikum der RWTH Aachen, Pauwelsstr. 30, 52074, Aachen, Deutschland. trauen@ukaachen.de.

Schmerz (Berlin, Germany)
|October 12, 2023
PubMed
Summary

Systemic vasculitides are rare autoimmune diseases affecting blood vessels. Early recognition of key symptoms and lab findings is vital for diagnosis and timely treatment with novel therapies, potentially reducing steroid use.

Keywords:
ANCAImmunosuppressionLarge vessel vasculitisSmall vessel vasculitisTakayasu

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Area of Science:

  • Rheumatology
  • Immunology
  • Internal Medicine

Context:

  • Systemic vasculitides are rare, complex autoimmune diseases requiring specialized knowledge for diagnosis.
  • Classification traditionally relies on the size of the primarily affected blood vessels (large, medium, small).
  • Clinical presentation often includes pain, constitutional symptoms, and organ-specific manifestations.

Purpose:

  • To highlight the importance of recognizing key clinical and laboratory features of systemic vasculitides.
  • To emphasize the need for early diagnosis and referral to specialized centers.
  • To provide an overview of diagnostic considerations and therapeutic approaches.

Summary:

  • Systemic vasculitides present with diverse symptoms, including pain (e.g., headache, myalgias, mononeuritis multiplex) and general signs (fever, weight loss).
  • Indicative laboratory findings and organ-specific symptoms (ENT, pulmonary, skin, renal) are crucial for diagnosis.
  • Prompt transfer to interdisciplinary centers and initiation of immunosuppressive therapy, increasingly with novel agents, are essential.

Impact:

  • Improved diagnostic accuracy for rare systemic vasculitides.
  • Facilitation of timely and appropriate patient management in specialized centers.
  • Advancement towards minimizing high-dose glucocorticoid toxicity through targeted therapies.