High resolution photon counting CT may allow direct visualization of directional deep brain stimulation lead segments and markers.
Directional DBS may widen therapeutic windows; leaves open confirmation in randomized trials.
Directional deep brain stimulation (DBS) leads are a recent addition to the options available for DBS. They are intended to enable current steering towards the intended therapeutic target and away from neighbouring structures, in order to increase stimulation therapeutic window (TW), i.e. the range of amplitudes achieving symptomatic relief without side effects. Some data also suggest lower energy consumption with potential IPG longevity prolongation [1].
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Manfield et al. (2023) studied this question.
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