Thursday16 January 2025
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The vagus nerve provided answers: severe depression can be treated through its stimulation.

Severe depression is the most dangerous type of illness, resistant to treatment, and can lead a person into a state of complete emptiness. However, researchers have recently developed a method that has helped many patients regain their sense of purpose in life.
Стимуляция блуждающего нерва помогла в лечении тяжелой депрессии.

A clinical study has illuminated the transformative potential of vagus nerve stimulation (VNS) therapy for those struggling with severe, treatment-resistant depression. This form of the illness poses a significant challenge not only for patients but also for their families, and the effectiveness of this new treatment method could fundamentally change this grim situation, reports The Independent.

The trial, conducted across 84 American research sites and involving approximately 500 participants, yielded promising results and hope for individuals who do not respond to traditional treatments such as medications or electroconvulsive therapy. Findings published in the journal Brain Stimulation revealed that after one year, VNS therapy significantly reduced depressive symptoms, enhanced quality of life, and helped many regain their ability to perform daily tasks.

The therapy involved implanting a device under the skin of the chest, similar to a pacemaker, with a wire connected to the left vagus nerve in the neck. By sending electrical impulses to areas of the brain that regulate mood, this device provided, according to researchers, "breakthrough" improvements for many participants.

Dr. Charles Conway, a co-author of the study and a professor at Washington University in St. Louis, emphasized the severity of the illness within the study group, noting that 75% of them were initially unable to work at all. Despite this, participants reported noticeable improvements in their ability to function and engage in normal life. Approved by the FDA nearly 20 years ago, VNS therapy has yet to gain widespread adoption due to financial challenges, as private insurance rarely covers the cost of the device or the implantation surgery.

Researchers remain hopeful that the new findings may persuade insurance companies to provide coverage, making therapy accessible to a broader demographic. Dr. Conway highlighted the long-term benefits observed in patients who responded positively to the therapy, confirming the durability of VNS results compared to other existing interventions.

The study also explored the therapy's impact on bipolar disorder, adding further potential to its comprehensive applicability. However, the high cost of the procedure remains a barrier, underscoring the need for systemic changes in healthcare systems to integrate innovative treatment methods like VNS into mainstream medical care, according to the authors.

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