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  • "It assures me that what I am going to be doing that day or the next day is going to be as safe as possible, and create the greatest advantage to helping that patient without risking deficit."

    Mitchel Berger, M.D.
    Chairman of the Department of Neurological Surgery, Director of the Brain Tumor Surgery Program, University of California, San Francisco

Navigated Brain Stimulation (NBS) is used to precisely map the areas controlling muscle movements/activity in the brain. NBS provides advanced patient care while avoiding invasive testing in an operating room. Historically, the only way to duplicate these detailed maps was through a craniotomy. Today, these detailed mappings can be done with Nexstim’s NBS System 5 is a comfortable setting for the patient, prior to surgery.

An NBS session creates an accurate map of the critical functions of the cortex using a standard MRI brain scan. This is done by using navigated transcranial magnetic stimulation (nTMS), similar to mapping the globe with a GPS. The NBS System 5 provides information that allows the physician to determine which areas of the brain are “good”, and accurately determine functional tissue. The data created through a mapping session, helps to plan and visualize surgical strategies and give additional information to help patient and physician discuss treatment options and outcomes.

In a recent study of 250 consecutive patients, presurgical mapping with NBS enabled a more aggressive surgical strategy in more the 75% of the cases. The same study showed the use of NBS data expanded surgical indication by 14.8%. The paper concluded that the integration of NBS into the surgical workflow crucially improves pre-operative planning, patient counseling, and surgical procedures. Leading to longer progression-free survival rates and better neurological outcomes by expanding the indications and extent of resection. 1

Nexstim NBS System and NexSpeech® are cleared by the FDA for use in pre-surgical planning for patients undergoing brain surgery

1 Navigated transcranial magnetic stimulation improves the treatment outcome in patients with brain tumors in motor eloquent locations By: Frey D, P Vajkoczy, T Picht, et. al Neuro-Oncology. 2014 Jun 12. pii: nou110.

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