Combined Lumbosacral Nerve Block Versus Spinal Anesthesia for Cognitive Function After Hip Prothesis
Cognitive Changes After Hip Prosthesis; Comparison Between Combined Lumbosacral Nerve Block Versus Spinal Anesthesia: a Double Blind Randomized Clinical Trial
1 other identifier
interventional
50
1 country
1
Brief Summary
Hip fracture is a potentially devastating event, and serious surgical and medical complications occur frequently especially for elderly patients. Delirium is one of the common complications after hip surgery. Controversy exists regarding the possible impact of type of anesthesia (nerve block versus spinal) upon acute and long-term cognitive decline. The primary objective is to assess the association between type of anesthesia (nerve block vs. spinal anesthesia) and risk of cognitive decline (CD). The secondary objective is to compare intra-operative hemodynamic changes, use of vasopressor drugs, and use of post-operative analgesics with respect to the type of anesthesia. Prospective, double blind randomized clinical trial of hip fracture patients who will be assessed for CD pre- and postoperatively, using the Mini Mental State Examination (MMSE). The presence of CD will be determined at follow-up evaluation up to three months after surgery.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Jan 2019
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 25, 2018
CompletedStudy Start
First participant enrolled
January 2, 2019
CompletedFirst Posted
Study publicly available on registry
January 7, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
April 1, 2022
CompletedJanuary 18, 2022
January 1, 2022
3.2 years
December 25, 2018
January 14, 2022
Conditions
Outcome Measures
Primary Outcomes (6)
Cognitive decline
Patients' cognitive function will be assessed using the Mini Mental State Examination. The total score ranges between 0 and 30. A total score between 24 and 30 indicates no cognitive impairment. A score between 18 and 23 indicates mild cognitive impairment. A score between 0 and 17 indicates severe cognitive impairment
before operation (baseline)
Cognitive decline
Patients' cognitive function will be assessed using the Mini Mental State Examination. The total score ranges between 0 and 30. A total score between 24 and 30 indicates no cognitive impairment. A score between 18 and 23 indicates mild cognitive impairment. A score between 0 and 17 indicates severe cognitive impairment
1 day after the operation
Cognitive decline
Patients' cognitive function will be assessed using the Mini Mental State Examination. The total score ranges between 0 and 30. A total score between 24 and 30 indicates no cognitive impairment. A score between 18 and 23 indicates mild cognitive impairment. A score between 0 and 17 indicates severe cognitive impairment
7 days after the operation
Cognitive decline
Patients' cognitive function will be assessed using the Mini Mental State Examination. The total score ranges between 0 and 30. A total score between 24 and 30 indicates no cognitive impairment. A score between 18 and 23 indicates mild cognitive impairment. A score between 0 and 17 indicates severe cognitive impairment
1 month after the operation
Cognitive decline
Patients' cognitive function will be assessed using the Mini Mental State Examination. The total score ranges between 0 and 30. A total score between 24 and 30 indicates no cognitive impairment. A score between 18 and 23 indicates mild cognitive impairment. A score between 0 and 17 indicates severe cognitive impairment
2 months after the operation
Cognitive decline
Patients' cognitive function will be assessed using the Mini Mental State Examination. The total score ranges between 0 and 30. A total score between 24 and 30 indicates no cognitive impairment. A score between 18 and 23 indicates mild cognitive impairment. A score between 0 and 17 indicates severe cognitive impairment
3 months after operation
Secondary Outcomes (3)
Intra-operative hemodynamic changes
1 minute intra-operative
Intra-operative hemodynamic changes
5 minutes intra-operative
Intra-operative hemodynamic changes
every 10 minutes intra-operative
Study Arms (2)
unilateral lumbosacral nerve block
EXPERIMENTALSciatic nerve block and paravertebral block at levels L3-L4 and L4-L5 will be performed
Spinal anesthesia
ACTIVE COMPARATORspinal anesthesia will be performed
Interventions
Patients will receive unilateral lumbosacral nerve block (sciatic nerve block and paravertebral block at levels L3-L4 and L4-L5). The sciatic nerve will be injected by 20 ml of the anesthetic mixture whereas levels L3-L4 and L4-L5 will be injected by a total of 20 ml of the anesthetic mixture without exceeding the maximum injected volume of 1 ml/kg.
Patients will receive spinal anesthesia (3 ml of 0.5% bupivacaine)
Patients will receive 1 ml normal saline at the spinal anesthesia level (L3-L4 or L4-L5).
Patients will receive normal saline at the sciatic, L3-L4 and L4-L5 levels
Eligibility Criteria
You may qualify if:
- Admitted with a hip fracture (femoral neck, trochanteric or sub-trochanteric)
- kg in weight and higher
You may not qualify if:
- Patients who are:
- Uncooperative
- Considered as moribund by the orthopedic surgeon at admission
- Alzheimer
- Severe cognitive impairment (MMSE\<18)
- Absolute contraindication for spinal anesthesia (assessed preoperatively)
- Allergy to local anesthesia
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Makassed General Hospital
Beirut, Lebanon
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Zoher Naja
Makassed General Hospital
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- INVESTIGATOR
- Purpose
- OTHER
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Anesthesiologist
Study Record Dates
First Submitted
December 25, 2018
First Posted
January 7, 2019
Study Start
January 2, 2019
Primary Completion
April 1, 2022
Study Completion
April 1, 2022
Last Updated
January 18, 2022
Record last verified: 2022-01