Dexmedetomidine Adjuvant in Retinal Surgery
This trial is active, not recruiting.
|Sponsor||King Saud University|
|Start date||January 2014|
|End date||January 2015|
|Trial size||90 participants|
|Trial identifier||NCT02282787, E-14-1291|
During LA in retinal surgery there is some problem as regard the lack of anaesthesia duration and unexpected globe movement .so many adjuvant was added to LA to overcome this disadvantages of LA such as clonidine and fentanyl .
The investigators hypothesis is adding dexmedetomidine to pribulbal blocking LA will prolong anaesthesia duration and improve globe akinesia and decrease intraoperative supplementation of LA.There are Many studies had described the effects of dexmedetomidine on peripheral nerve blocks, spinal but up to date no knowledge is available on the impact of dexmedetomidine adjuvant to local anaesthetic in ophthalmic surgery
|Endpoint classification||efficacy study|
|Intervention model||parallel assignment|
|Masking||double blind (subject, investigator)|
onset, duration of the motor and sensory block
time frame: 10 minutes from injection
observe the adverse effects of Dexmedetomidine
time frame: during and after surgery
Male or female participants from 40 years up to 90 years old.
Inclusion Criteria: - Adult patients - Going for elective vitreoretinal surgery. Exclusion Criteria: - History of coagulation abnormalities. - Allergy to local anesthetics. - Cardiac, hepatic or renal failure, - Chronic clonidine or analgesic therapy. - One-eyed patients
|Official title||DEXMEDETOMIDINE ADJUVANT TO LOCAL ANAESTHESIA FOR PERIBULBAR BLOCKS IN RETINAL SURGERY|
|Principal investigator||Marwan Abouammoh, MD|
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