Preventing A Second Stroke

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Recovering from a stroke is only half the battle — preventing the next one may be even more important. In this episode, we break down one of the biggest conversations happening in neuro rehab and neurology right now: secondary stroke prevention. We discuss why recurrent strokes are often more disabling, more deadly, and more expensive than the first event — and why modern stroke care is shifting toward aggressive prevention strategies. From blood pressure control and cholesterol management to exercise, physical activity, diabetes management, smoking cessation, diet, and long-term lifestyle changes, this episode explores the growing movement toward a more comprehensive, brain-health-focused approach to stroke recovery. We also dive into the role of aerobic exercise, neurorehabilitation, mobility training, and long-term wellness programs in reducing stroke risk. Why are neurologists and rehab clinicians emphasizing exercise intensity and cardiovascular health more than ever before? Could the future of neuro rehab look more like long-term health coaching than short-term therapy? This episode is for stroke survivors, caregivers, neuro clinicians, and anyone interested in where stroke rehabilitation and prevention are heading in 2026 and beyond. Source: Bangad A, Abbasi M, de Havenon A. Secondary Ischemic Stroke Prevention. Neurotherapeutics. 2023;20(3):721-731. doi:10.1007/s13311-023-01352-w Powered by: Google Notebook LM

Laughing Gas and Spinal Cord Injury

In this episode of Neuro Simplified, we’re talking about nitrous oxide, commonly known as laughing gas, and why recreational use can become a serious neurologic problem. Nitrous oxide can interfere with vitamin B12 metabolism and create a functional B12 deficiency, even when the serum B12 number looks normal or even elevated. That matters because B12 is essential for myelin health. When that pathway is disrupted, patients can develop subacute combined degeneration of the spinal cord, a condition that commonly affects the dorsal columns and can lead to numbness, loss of vibration sense, impaired proprioception, sensory ataxia, weakness, gait instability, and sometimes cognitive changes. One case report described an 18-year-old male with six months of nitrous oxide use who developed progressive limb numbness, unsteady walking, weakness, sensory loss, impaired vibration and position sense, positive Romberg sign, peripheral nerve injury, and acute cognitive impairment. His homocysteine was elevated, and MRI showed cervical spinal cord T2 hyperintensity with posterior column involvement and the classic “inverted V sign.” The big clinical message: do not stop at “B12 is normal.” Nitrous oxide can inactivate B12 at the functional level, so the neurologic exam, homocysteine, methylmalonic acid when available, exposure history, and spinal MRI may tell the real story. Other reports also reinforce that serum B12 may not always reflect true cellular B12 status, and that MRI findings such as dorsal column hyperintensity and the inverted V sign can be key clues. Source: AMA Citations Wu H, Huang H, Xu L, Ji N, Zhou X, Xie K. Case report: Subacute combined degeneration of the spinal cord due to nitrous oxide abuse. Front Neurol. 2023;14:1099077. doi:10.3389/fneur.2023.1099077 Al-Jizani AS, Pathak S, Palit P, Achufusi N. Subacute combined degeneration of the spinal cord caused by an impairment in the functional vitamin B12 metabolic pathway. Cureus. 2024;16(11):e73617. doi:10.7759/cureus.73617 Van Berkel B, Vandevenne J, Vangheluwe R, Van Cauter S. Subacute combined degeneration of the cervical and dorsal spinal cord in a 40-year-old male patient: A case report. Radiol Case Rep. 2021;16(1):13-17. doi:10.1016/j.radcr.2020.10.033 Powered by Google Notebook LM

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Preventing A Second Stroke

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