This study compares general to regional anesthesia concerning morbidity and mortality in patients older than or equal to 65 years old who receive clopidogrel and are to be submitted in hip fracture surgery. Half of participants will receive general anesthesia the first 48 hours and the other half will receive regional anesthesia after 5 days of the discontinuation of clopidogrel.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
150
Fentanyl will be used for introduction in both regional and general anesthesia. It will also be used for general anesthesia maintenance.
Propofol will be used for introduction in general anesthesia.
Rocuronium will be used for introduction in general anesthesia.
Larissa University Hospital
Larissa, Greece
RECRUITINGMortality
To compare postoperative 30-day mortality between General anesthesia and Regional anesthesia group
Time frame: 30 days
Major Cardiovascular Events
To check and compare between General anesthesia and Regional anesthesia group for major cardiovascular events (arrhythmias, stroke, cardiac arrest, acute myocardial infract, acute respiratory oedema, pulmonary embolism) postoperatively in 30 days and 3, 6, 12 months.
Time frame: Events will be recorded for both groups from date of surgery postop up to 12 months or date of death from any cause, with intermediate recordings in 1, 3 and 6 months periods in survivors
Change in cognitive status
To measure and compare, between General anesthesia and Regional anesthesia group, Cognitive status using Mini Mental State Examination and Clock Test before surgery and 6, 12 months postoperatively
Time frame: Cognitive function will be measured for both groups on admission (preop), 6 months and 12 months postop
Delirium
Occurrence of delirium and comparison between General anesthesia and Regional anesthesia group with the use of Confusion Assessment Method before surgery and in 2, 3, 4 and 7 days postoperatively.
Time frame: Occurrence of delirium will be measured, for both groups, on admission (preop) and days 2, 3, 4 and 7 postop (two tests per day, morning and evening hours)
Adverse events postoperatively
Occurrence of adverse events in both General anesthesia and Regional anesthesia groups, especially respiratory, renal, surgical trauma in 30 days postoperatively.
Time frame: 30 days
Re-admissions
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Chirochaine 0.5% will be used in regional anesthesia.
Morphine will be administered bolus iv in General anesthesia group postoperatively before patients leave OR.
Re admissions in both General anesthesia and Regional anesthesia groups in 30 days postoperatively.
Time frame: 30 days
Postoperative analgesic use
Use of analgesics (pethidine, paracetamol), counted in milligrams as a mean per day, from the time patients are transfered to the orthopedic ward until 30 days postop in both General anesthesia and Regional anesthesia groups targeting Numerical Rating Scale score \<4 (range is from 0 to 10 and a higher score indicates greater pain intensity).
Time frame: 30 days
Time of hospitalization
To check and compare in both General anesthesia and Regional anesthesia groups time to hospital discharge.
Time frame: Time to discharge will be considered the time duration from date of surgery until the date of discharge or date of death from any cause while hospitalised, whichever came first, assessed up to 1 month
Adverse events intraoperatively
To check and compare in both General anesthesia and Regional anesthesia groups incidence of low blood pressure (\< 20% from baseline), bradycardia (\<50 bpm), hemorrhage and need of blood transfusions, use of antifibrinolytics intraoperatively
Time frame: During operation time frame
Functionality in daily living
To check and compare between both General anesthesia and Regional anesthesia groups 6 months postoperatively functionality using Instrumental Activities of Daily Living scale
Time frame: 6 months
Timed Up and Go Test (TUG)
To determine fall risk and measure the progress of balance, sit to stand, and walking using Timed Up and Go Test (TUG) and compare these attributes between General anesthesia and Regional anesthesia groups 1, 3 and 6 months postoperatively
Time frame: Measurements will be assessed 1, 3 and 6 months postop
EQ-5D-5L (EuroQol group, 5 dimensions, 5 levels)
With the use of EQ-5D-5L to check and compare between General anesthesia and Regional anesthesia groups 1, 3 and 6 months postoperatively mobility, self-care, usual activities, pain/discomfort and anxiety/depression.
Time frame: Measurements will be assessed at 1, 3 and 6 months postop
Oxford hip score
To assess function and pain in both General anesthesia and Regional anesthesia groups 1, 3 and 6 months postoperatively by using Oxford hip score
Time frame: Measurements will be assessed at 1, 3 and 6 months postop