Understanding Vascular Malformations

A vascular malformation is usually a congenitallocated in the middle of the brain
condition that affects the blood vessels of the brain,- Capillary Vascular malformations, which involve the
head and neck, and peripheral body. This article is ansmallest blood vessels, the capillaries
overview of the topic and is intended to provide you- Fistula, an abnormal connection between blood
with a general understanding of vascularvessels
malformations. Your doctor will discuss with you theThese distinctions are important because it is the
details of your particular case.type of malformation that determines the treatment
What are vascular malformations?approach.
It’s important to keep in mind that there’sHow are vascular malformations diagnosed?
not one type of vascular malformation, but ratherNot every patient will have symptoms from his or
many types that can be found in different parts ofher vascular malformation. Symptoms depend on the
the body. They involve many blood vessels, includinglocation of the vascular malformation. Those who
the arteries, capillaries and veins. Treatment can takehave symptoms may experience one or more of the
place over a period of time ranging from one singlefollowing:
treatment to multiple treatments over months or- Heart failure
years.- A failure to thrive, such as difficulty with feeding or
Vascular malformations can affect both boys anda lack of weight gain
girls, ranging in age from newborns to young adults.- Discolorization at the site, such as a reddish, purplish
The cause of these malformations is not known.or bluish tinge to the skin
Most are present from birth. Some vascular- Bleeding or drainage at the site
malformations are diagnosed early. However, others- A feeling of pulsation or throbbing at the site
are diagnosed later in childhood and the rest may be- Increased head growth
diagnosed during the teenage years or adulthood.- Seizures
The heart pumps blood throughout the body, bringing- Change in level of alertness
with it the oxygen and nutrients the body needs toWhen malformations become apparent because of a
thrive. Sometimes there is a short circuit betweensudden event, such as bleeding, loss of
the arteries and veins, without intervening capillaries..consciousness, seizures and headaches, immediate
Vascular malformations interfere with the normal flowmedical attention is required. These patients are
of blood, particularly through arteries, veins andusually admitted into the Intensive Care Unit (ICU) of
capillaries.a hospital and the testing to make a diagnosis begins
What do vascular malformations look like? There mayquickly.
be a tangle of blood vessels that create aOther times the malformation is noticed because it is
malformation resembling a bunch of grape stems.visible on the body or because a throbbing is felt at
Visible malformations may appear on the skin as athe site. In these cases the testing, while necessary,
prominent vein or a purplish discoloration, but mostis not urgent and can be taken care of on an
vascular malformations cannot be seen.outpatient basis.
What are the names of the different vascularIf you’d like to learn more about the diagnosis
malformations?and treatment of vascular malformations, please visit:
Some of the terms used to describe specific
irregularities are:Disclaimer: This article is for informational purposes
- Arteriovenous malformations (AVM), which usuallyand should not be considered a substitute for
involve arteries and veinsprofessional medical advice, diagnosis, or treatment.
- Venousvascular malformations (VVM), which usuallyAlways seek the advice of your physician or other
involve veinsqualified health provider with any question you may
- Vein of Galen malformations (VGM), which is ahave regarding a medical condition.
specific condition affecting the Vein of Galen which is