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Complex neurosurgical procedures, such as those traversing the posterior fossa, require optimization of the operative corridor with advanced patient positioning methods. Even seemingly small changes in the location of intracranial mass lesions can require a more dramatic operative trajectory. Modifications of traditional lateral, semi-sitting, and park-bench approaches have been described in the literature to access these lesions; however, technical considerations with respect to enlarged body habitus have yet to be fully explored. Herein, we describe a technique for positioning obese patients in the park bench position, which is referred to as the “Arrowhead technique,” along with a literature review of positional complications and considerations in the setting of obesity.

Perioperative Positioning in Neurosurgery: A Technical Note on Park Bench Positioning for the Obese Patient Using the “Arrowhead” Technique