Endotheliitis

Endotheliitis is a pathological condition characterized by the inflammation of the endothelium, the thin layer of cells that lines the interior surface of blood vessels. This condition is often associated with various diseases, including viral infections, autoimmune diseases, and transplant rejection.

Causes

Endotheliitis can be caused by a variety of factors. One of the most common causes is viral infections, such as herpes simplex virus (HSV), cytomegalovirus (CMV), and hepatitis C virus (HCV). These viruses can directly infect the endothelial cells, leading to inflammation and damage.

Autoimmune diseases, such as systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA), can also cause endotheliitis. In these conditions, the body's immune system mistakenly attacks the endothelial cells, resulting in inflammation.

Transplant rejection is another common cause of endotheliitis. After an organ transplant, the recipient's immune system may recognize the transplanted organ as foreign and attack the endothelial cells, leading to inflammation and organ rejection.

Symptoms

The symptoms of endotheliitis can vary depending on the underlying cause and the specific blood vessels affected. Common symptoms may include fever, fatigue, joint pain, and skin rash. In severe cases, endotheliitis can lead to serious complications, such as organ failure and sepsis.

Diagnosis

The diagnosis of endotheliitis typically involves a combination of clinical examination, laboratory tests, and imaging studies. Biopsy of the affected tissue may also be performed to confirm the diagnosis.

Treatment

The treatment of endotheliitis primarily involves managing the underlying cause. This may include antiviral medications for viral infections, immunosuppressive drugs for autoimmune diseases, and immunosuppressive therapy for transplant rejection. In some cases, surgical intervention may be necessary.

See also

• Vasculitis
• Endothelial dysfunction
• Inflammation

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