Selecting right unilateral placement to facilitate continuation of electroconvulsive therapy following prolonged seizures.

Available literature remains limited in the identification of risk factors for prolonged seizures in electroconvulsive therapy and much less is reported about the continuation of electroconvulsive therapy after prolonged seizures. We describe two cases with prolonged seizures early in their course of electroconvulsive therapy and the subsequent adjustment made that allowed for safe and effective continuation of electroconvulsive therapy. In both cases, right unilateral electroconvulsive therapy was continued at a suprathreshold stimulus dose of six times relative to seizure threshold. Both patients continued their course of electroconvulsive therapy with no further episodes of prolonged seizures. They did not experience significant cognitive side effects and were discharged after showing marked improvement in their clinical symptoms. Prolonged seizures do not preclude the use of electroconvulsive therapy. The selection of ultrabrief right unilateral electroconvulsive therapy allows for a higher suprathreshold dose with less cognitive side effects compared to bilateral placements. This mitigates the risk of prolonged seizures, allowing for safe and effective continuation of electroconvulsive therapy.

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