Abstract Objective The purpose of this study is to explore whether electrical impedance tomography (EIT)-guided individualized positive end-expiratory pressure (PEEP) can reduce the incidence of pulmonary complications within 1 week following a craniotomy compared with a single PEEP (PEEP = 6 cmH2O) from dura suturing to extubation. Methods A randomized controlled trial will be conduc... https://pipingrockers.shop/product-category/l-histidine/