This prospective, double-blinded, randomized clinical trial aims to examine the effects of combining isobaric bupivacaine with dexmedetomidine administered intrathecally (IT), compared to the combination of isobaric bupivacaine administered intrathecally and dexmedetomidine administered intravenously (IV), on spinal anesthesia prolongation time in minutes, time of regression from Bromage score 3 to 0.
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Regression time of Bromage score from 3 to 0
Timeframe: Patients' recruitment and participation in the study will be over 3-4 month, as the load of lower limb surgery at KAMC is high. Subjects' participation will be throughout the surgery time and 45 mins later in PACU if there was not a reason for delay.
Hebah Musalem, Anesthesia Asistant consultant