CCVI meaning in General ?

Answer:

What is Chronic Cerebrospinal Venous Insufficiency mean?

Chronic cerebrospinal venous insufficiency (CCSVI or CCVI) is a term invented by Italian researcher Paolo Zamboni in 2008 to describe compromised flow of blood in the veins draining the central nervous system. Zamboni hypothesized that it might play a role in the cause or development of multiple sclerosis (MS). Zamboni also devised a surgical procedure which the media nicknamed a liberation procedure or liberation therapy, involving venoplasty or stenting of certain veins. Zamboni's ideas about CCSVI are very controversial, with significantly more detractors than supporters, and any treatments based on his ideas are considered experimental.

There is no scientific evidence that CCSVI is related to MS, and there is no good evidence that the surgery helps MS patients. Zamboni's first published research was neither blinded nor did it have a comparison group. Zamboni also did not disclose his financial ties to Esaote, the manufacturer of the ultrasound specifically used in CCSVI diagnosis. The "liberation procedure" has been criticized for possibly resulting in serious complications and deaths, while its purported benefits have not been proven. In 2012, the United States Food and Drug Administration states that it is not clear if CCSVI exists as a clinical entity and that these treatments may cause more harm. In 2017 they emphasized that this use of balloon angioplasty is not an approved use. In a 2017 study Zamboni et al. stated "Venous PTA cannot be recommended for patients with relapsing-remitting multiple sclerosis." In 2018 a study in Neurology concluded "Our data do not support the continued use of venoplasty of extracranial jugular and/or azygous venous narrowing to improve patient-reported outcomes, chronic MS symptoms, or the disease course of MS."

Research on CCSVI was fast-tracked, but researchers have been unable to find a connection between CCSVI and MS. This has raised serious objections to the hypothesis of CCSVI originating multiple sclerosis. Additional research investigating the CCSVI hypothesis is underway. A 2013 study found that CCSVI is equally rare in people with and without MS, while narrowing of the cervical veins is equally common.

reference

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