The investigators perform a retro-prospective exploratory cohort study among patients 65 to 85 years old with pre-operative head MRI result after thoracic surgery in Renji Hospital Affiliated to Shanghai Jiaotong University from November 2020 to December 2021. Perioperative data were collected, including preoperative general condition, laboratory examination, auxiliary examination (blood routine, blood coagulation, liver and kidney function, etc.), perioperative indicators （use of anesthetics, anesthetic time, blood pressure, etc.）, postoperative cerebral function follow-up and occurrence of cerebral vascular complications (brain infarction, brain bleed, etc.) of patients.
Study Type
OBSERVATIONAL
Enrollment
212
Renji Hospital, Shanghai Jiao Tong University, School of Medicine
Shanghai, Shanghai Municipality, China
RECRUITINGIncidence of postoperative overt stroke
Postoperative overt stroke detected by MRI of the brain
Time frame: 1 year after surgery
Physical function after surgery as assessed using Activities of Daily Living (iADL) Scale
score of Activity of Daily Living Scale with total score of 78, higher score, better function) and Modified Ranking Scale from 0(no symptomatic post-infarction complication ) to 6 (death after cerebral infaction)
Time frame: 1 year after surgery
Physical function after surgery as assessed using the Modified Rankin Scale
The scale runs from 0-6, running from perfect health without symptoms to death. A higher score is worse.
Time frame: 1 year after surgery
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