Effects of Pneumocephalus on Electrode Location After Deep Brain Stimulation of the Subthalamic Nucleus in Parkinson Disease

作者：Yi Wang, Hongliang Mao, Xiaoming Kong, Liangchen Yu, Jianyu Nie, Yue Liu, Hongwei Cheng · 发表于：World Neurosurgery · 年份：2025 · DOI：10.1016/j.wneu.2025.123958 · 被引用次数：1 · 研究领域：Neurological disorders and treatments、Parkinson's Disease Mechanisms and Treatments、Parkinson's Disease and Spinal Disorders

OBJECTIVE: This study investigates the impact of pneumocephalus on electrode positioning following subthalamic nucleus deep brain stimulation (STN-DBS) in patients with Parkinson disease. METHODS: A retrospective analysis was performed on 111 patients who underwent bilateral STN-DBS at the First Affiliated Hospital of Anhui Medical University. Preoperative magnetic resonance imaging and postoperative computed tomography scans were utilized to assess electrode positions and pneumocephalus volume. The brain imaging data were standardized to the Montreal Neurological Institute space for precise comparison. Statistical analyses were performed to identify factors influencing the volume of pneumocephalus. RESULTS: This study found that pneumocephalus absorption significantly affects electrode positioning, leading to a forward and upward shift. A higher degree of brain atrophy and a higher number of microelectrode recording passages were significantly correlated with increased pneumocephalus volume and more pronounced electrode displacement. CONCLUSIONS: Pneumocephalus plays a critical role in electrode displacement during STN-DBS surgery. Minimizing cerebrospinal fluid loss and careful planning of microelectrode recording passages are essential for improving surgical accuracy. Further studies with larger sample sizes and multicenter data are needed to validate these findings and increase their generalizability.