The purpose of this study prospective observational study is to determine cognitive dysfunction incidence after thoracic surgery. We also evaluate evaluate the role of cerebral oxygen desaturations and hypertension as risk factors for post-operative cognitive dysfunction (POCD) in patients undergoing lung resection.
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incidence of cognitive dysfunction after thoracic surgery
Timeframe: change of MMSE score from the day before surgery (baseline) at 1 day after surgery