Mortality associated with cannabis used for treatment of epilepsy is not well documented. We discuss two fatalities in the setting of epilepsy and self-determined therapy with cannabis (SDTC). One patient had probable sudden unexpected death in epilepsy, the second death was due to seizure-associated drowning. Both directed SDTC over conventional anti-seizure medications. Where recreational cannabis is legal, decisions to use cannabis are often self-directed and independent of physician advice of cannabis risks, in part because physicians may not be aware of the risk of SDTC. Further study of morbidity and mortality of SDTC in patients with epilepsy is needed.

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There are multidien patterns of seizure occurrence. Predicting seizure risk may be easier with biomarker correlates to multidien patterns. We hypothesize multiday hyper or hypoglycemia contributes to seizure risk. Methods: In a type I diabetic (T1D) with focal onset epilepsy with continuous glucose monitoring (CGM) and responsive neurostimulation (RNS) devices, we studied multiday interictal activities (IEA), seizures, and glucose. Hourly CGM data was matched to hourly RNS captures of interictal and ictal activities over 33 months. RNS detection settings were unchanged. Multidien cycles were analyzed, active blocks of IEA and ictal episodes defined, and tissue glucose averages studied. Results: Average glucose was 161 mg/dl. A 40-day cycle of interictal and ictal activities occurred, though no similar glucose cycle was evident. Glucose elevations relative to patient average were associated with increases in IEA but not seizure. Frequent seizures were not associated with obvious elevations or decreases of glucose from baseline, most seizures occurred at +/-10 mg/dl of average daily glucose (i.e. 150− 170 mg/dl). Conclusion: Tissue glucose may influence IEA but may not influence multiday seizure activity or very frequent seizures. In an ambulatory T1D patient multiday hypo or hyperglycemic extremes do not appear to provoke seizure activities.

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