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NCT07363941
The goal of this clinical trial is to find out whether height-based dosing of spinal anaesthesia provides better hemodynamic stability and anesthetic outcome than conventional fixed dosing in elderly patients undergoing lower limb orthopaedic surgery.The main questions this study aims to answer are: 1. Does height-based spinal anaesthetic dosing reduce the risk of hypotension and bradycardia during surgery as compared to conventional fixed dosing? 2. Does it improve anaesthetic outcomes, such as the onset and duration of sensory and motor block?
NCT06836986
The goal of this clinical trial is to learn if norepinephrine is more effective than phenylephrine for prevention of spinal anesthesia induced hypotension. The main questions it aims to answer are: Does norepinephrine lower the incidence of spinal anesthesia induced hypotension in emergency obstetrical patients? We will compare effectiveness of norepinephrine and phenylephrine for the prevention of spinal anesthesia induced hypotension. Participants will: Be administered prophylactic boluses of both drugs right after spinal anesthesia induction and maternal hemodynamic parameters and neonatal APGAR scores will be recorded