Effect of Head Position During Thyroidectomy on Postoperative Cognitive Functions

The Effect of Head Position During Thyroidectomy on Cerebral Oxygenation and Postoperative Cognitive Functions

The aim of our study is to observe the effect of head-neck position of patients scheduled for thyroidectomy, on carotid artery blood flow, regional cerebral oxygen saturation measured using near-infrared spectroscopy technology, and postoperative cognitive dysfunction.

Inclusion Criteria:

• undergo a total thyroidectomy operation
• ASA I-II
• euthyroid patients in the preoperative period

Exclusion Criteria:

• Hemoglobin< 8 g / dl
• Hypertension
• Hyperlipidemia
• Pregnancy
• Patients diagnosed with diabetes mellitus
• Cerebrovascular insufficiency
• Known carotid artery lesion
• Metabolic diseases
• Any intracranial pathology present
• Surgeries exceeding 180 minutes