Osler-Weber-Rendu syndrome is another name for hereditary hemorrhagic telangiectasia or HHT, a disorder that affects the blood vessels. In people with HHT, the blood vessels that join arteries to veins form improperly. When these abnormalities occur in small blood vessels, they are called telangiectases; in larger vessels, they are called arteriovenous malformations, or AVMs. HHT is not life-threatening, but it can increase the risk of stroke, bring on anemia, or cause bleeding in the digestive tract.
While there is currently no cure for Osler-Weber-Rendu syndrome, the symptoms can be effectively managed with the proper care. Symptoms and their severity vary greatly from person to person, even those in the same family. Nose telangiectases can cause relatively minor to severe nosebleeds. Minor nosebleeds are addressed by humidifying the air and using moisturizing nose sprays or drops. More serious nosebleeds might require laser coagulation and hormone therapy. In the most extreme cases, the individual may need to undergo a septal dermoplasty procedure.
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