The Effect of Controlled Hypotension

Plain-language summary

Controlled hypotension is currently used in spinal surgery to reduce bleeding at the surgical site, improve the surgeon's visibility, and decrease intraoperative blood loss. Although controlled hypotension is considered a beneficial method from a surgical perspective, it is important to be cautious about its side effects. One such side effect is cerebral perfusion insufficiency, which can be managed by monitoring cerebral circulation through regional cerebral oxygen saturation (rSO2). The aim of this study is to compare the effects of controlled hypotension at specific MAP ranges on cerebral oxygen saturation.

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