Deep cervical lymphatic-venous anastomosis (dcLVA) surgery for Alzheimer's enters global trials

New Alzheimer's Surgery Emerges

A surgical procedure known as deep cervical lymphatic-venous anastomosis (dcLVA) is being explored as a potential treatment for Alzheimer's disease. The technique involves creating a connection between tiny lymphatic vessels in the neck and nearby veins. This connection is intended to facilitate the drainage of fluid and waste proteins from the brain into the bloodstream.

Origin and Initial Impact

The first dcLVA surgery for Alzheimer's was performed in September 2020. The procedure was initially reported in a Chinese-language journal in 2022 by microsurgeon Qingping Xie. It gained significant attention after Wei Chen, a lymphatic microsurgeon, began showcasing patient recovery videos at surgical meetings globally, leading to a surge in its performance in China.

Global Expansion and Trials

Following its widespread adoption in China, where hundreds of hospitals offered the experimental procedure, dcLVA is now entering trials worldwide. The initial patient videos, which showed significant recovery, contributed to a "frenzy" of interest and adoption, with many individuals in China paying substantial amounts for the surgery.

Mechanism of Action

The theoretical basis of dcLVA is to enhance the brain's waste removal system. By connecting lymphatic vessels, which are part of the system that carries waste away from the brain, to veins, the procedure aims to create a more efficient route for fluid and waste proteins to exit the brain and enter the bloodstream. This could potentially address a key aspect of Alzheimer's pathology related to protein accumulation.