Q79.63

Clinical Causes: V a s c u l a r E h l e r s - D a n l o s s y n d r o m e i s c a u s e d b y g e n e t i c m u t a t i o n s a f f e c t i n g t h e C O L 3 A 1 g e n e . T h i s g e n e p r o v i d e s i n s t r u c t i o n s f o r m a k i n g t y p e I I I c o l l a g e n , a v i t a l c o m p o n e n t o f b l o o d v e s s e l w a l l s a n d i n t e r n a l o r g a n s . C h a n g e s ( m u t a t i o n s ) i n t h i s g e n e w e a k e n t h e c o l l a g e n s t r u c t u r e , l e a d i n g t o i n c r e a s e d f r a g i l i t y o f b l o o d v e s s e l s , o r g a n s , a n d t i s s u e s . T h e c o n d i t i o n i s i n h e r i t e d i n a n a u t o s o m a l d o m i n a n t p a t t e r n , m e a n i n g a p e r s o n o n l y n e e d s t o i n h e r i t t h e a l t e r e d g e n e f r o m o n e p a r e n t t o b e a f f e c t e d .

Key Symptoms: Thin, translucent skin that may appear bruised easily Small, visible blood vessels (telangiectasia) under the skin Early development of characteristic facial features, such as a thin face, narrow nose, and thin lips Recurrent or spontaneous blood vessel, organ, or tissue ruptures, often without warning Muscle and joint hypermobility, although less prominent than in other EDS types Thin and fragile blood vessels detectable through imaging Arterial dissections or aneurysms that can lead to sudden bleeding Potential for easy bruising and bleeding issues Delayed wound healing and scar formation

Diagnosis Path: Diagnosing vEDS typically involves a thorough medical history review and physical examination, focusing on characteristic features and personal or family history of vascular issues. Genetic testing for mutations in the COL3A1 gene confirms the diagnosis. Imaging studies such as ultrasound, MRI, or angiography may detect blood vessel abnormalities, aneurysms, or dissections. In some cases, biopsy of the skin or blood vessel tissue can reveal abnormalities in collagen structure. Early diagnosis is crucial for managing risks and implementing preventive strategies.

Treatment Protocols: Regular monitoring of blood vessels through imaging studies Blood pressure control using medications such as beta-blockers to lower the risk of vessel rupture Avoidance of high-impact sports or activities that increase injury risk Prompt treatment of any vascular or organ ruptures or tears Surgical interventions when necessary, with specialized techniques to minimize tissue fragility Genetic counseling for affected individuals and their families Psychological support to manage the emotional impact of living with a chronic, potentially life-threatening condition