major elective gastrointestinal, gynecological, prostate or bladder surgery patients who are = 60 years old.
the surgery is laparoscopic surgery and is expected to last for = 2 hours under general anesthesia and the patient will stay in hospital for at least 7 days after surgery.
lack of serious hearing and vision impairment and be able to read so that neurobehavioral tests can be performed.

NCT01809041_inc_T1
Qualifier
elective
NCT01809041_inc_T2
Procedure
gastrointestinal surgery
NCT01809041_inc_T3
Procedure
bladder surgery
NCT01809041_inc_T4
Procedure
prostate surgery
NCT01809041_inc_T5
Procedure
gynecological surgery
NCT01809041_inc_T6
Scope
gastrointestinal, gynecological, prostate or bladder surgery
NCT01809041_inc_T7
Value
= 60 years old
NCT01809041_inc_T8
Person
old
NCT01809041_inc_T9
Procedure
laparoscopic surgery
NCT01809041_inc_T10
Measurement
last
NCT01809041_inc_T11
Value
= 2 hour
NCT01809041_inc_T12
Mood
expected
NCT01809041_inc_T13
Qualifier
under general anesthesia
NCT01809041_inc_T14
Mood
will
NCT01809041_inc_T15
Procedure
stay in hospital
NCT01809041_inc_T16
Value
at least 7 days after surgery
NCT01809041_inc_T17
Negation
lack of
NCT01809041_inc_T18
Condition
vision impairment
NCT01809041_inc_T19
Condition
aring a pairment a
NCT01809041_inc_T20
Scope
hearing and vision impairment
NCT01809041_inc_T21
Condition
able to read
NCT01809041_inc_T22
Procedure
neurobehavioral tests
NCT01809041_inc_T23
Mood
can be performed