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How is Ehlers-Danlos Syndrome divided?
classical, hypermobility, vascular, kyphoscoliosis, arthrochalasia, and dermatosparaxis
What was arthrochalasia type EDS called?
Arthrochalasia type EDS is now referred to as classic type EDS. It is a rare genetic disorder that affects the connective tissues in the body, resulting in joint hypermobility, skin hyperextensibility, and tissue fragility.
How common is Ehlers-Danlos Syndrome?
Although it is difficult to estimate the overall frequency of Ehlers-Danlos syndrome, the combined prevalence of all types of this condition may be about 1 in 5,000 individuals worldwide. The hypermobility and classic forms are most common; the hypermobility type may affect as many as 1 in 10,000 to 15,000 people, while the classic type probably occurs in 1 in 20,000 to 40,000 people. Other forms of Ehlers-Danlos syndrome are very rare. About 30 cases of the arthrochalasia type and fewer than 60 cases of the kyphoscoliosis type have been reported worldwide. About a dozen infants and children with the dermatosparaxis type have been described. The vascular type is also rare; estimates vary widely, but the condition may affect about 1 in 250,000 people.
