The Association between Postoperative Cognitive Dysfunction and Cerebral Oximetry during Geriatric Orthopedic...

Area of Science:

• Geriatric Medicine
• Neuroscience
• Surgical Outcomes

Background:

• Postoperative cognitive dysfunction (POCD) impacts elderly patients after orthopedic surgery, affecting cognitive functions.
• Cerebral blood oxygen saturation monitoring assesses cerebral oxygen supply during surgery.
• Early diagnosis of POCD is crucial for effective patient management.

Purpose of the Study:

• To investigate the relationship between postoperative cognitive dysfunction and cerebral blood oxygen saturation in elderly orthopedic patients.
• To identify potential biomarkers for early POCD detection.
• To analyze the correlation between cognitive function and cerebral oxygenation levels post-surgery.

Main Methods:

• 90 elderly orthopedic surgery patients were divided into POCD and no-POCD groups.
• Cognitive, psychological, and cerebral blood oxygen saturation were assessed pre- and 3-months post-operation.
• Correlation analysis was performed between cognitive function indicators and cerebral blood oxygen saturation.

Main Results:

• Significant differences in cerebral blood oxygen saturation parameters (e.g., time below preoperative rScO2, minimum/maximum rScO2) were observed in patients with POCD.
• A significant correlation was found between postoperative cognitive function and cerebral blood oxygen saturation levels at 3 weeks post-surgery.
• These findings suggest cerebral oxygenation is a key factor in cognitive recovery.

Conclusions:

• Cerebral blood oxygen saturation is significantly associated with cognitive function in elderly orthopedic patients 3 months after surgery.
• Cerebral blood oxygen saturation monitoring can serve as a valuable tool for assessing and potentially predicting POCD.
• Further research into intraoperative neuromonitoring may improve patient outcomes.