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A Comparative Study of Magnesium Sulfate, Lignocaine, and Propofol for Attenuating Hemodynamic Response During

Malipeddi Vamshidhar¹, Vandana Pakhare¹, Sunanda Gooty¹

¹ESIC Medical College & Hospital, Sanathnagar, Hyderabad, Department of Anaesthesia and Intensive Care, Hyderabad, India.

Turkish Journal of Anaesthesiology and Reanimation

|October 31, 2024

Abstract

Objective:

This study functional endoscopic sinus surgery (FESS) is a surgical procedure requiring minimal bleeding to optimize the surgical field. This study aimed to evaluate the effectiveness of magnesium sulfate, lignocaine, and propofol in attenuating hemodynamic response. The primary objective of this study was to compare the efficacy of these agents in reducing hemodynamic response. The secondary objectives included assessing the quality of the surgical field, recovery time, and total neuromuscular dose.

Methods:

We randomly allocated 105 patients scheduled for FESS into three groups: lignocaine, propofol, and magnesium sulfate. Heart rate and mean arterial pressure were recorded every 5 min for the first 30 min, followed by measurements every 10 min at the end of the procedure. Moreover, recovery time, total neuromuscular blocking dose, and surgical field score were noted upon completion of the procedure. Statistical analysis was conducted using the number cruncher statistical systems version 9.0.8 software.

Results:

All three groups showed comparable hemodynamic response and surgical field scores. The recovery time was notably longer in the magnesium sulfate group [10.94 min (2.45)] than in the lignocaine [4.37 min (1.03)] [95% confidence interval (CI) -7.32, -5.83; P=0.000] and propofol groups [4.60 min (0.60)] (95% CI 5.60, 7.095; P=0.000). Moreover, the total neuromuscular blocking agent used was significantly lower in the magnesium sulfate group [5.89 mg (0.47)] than in the lignocaine [6.26 mg (0.56)] (95% CI 0.66, 0.03; P=0.035).

Conclusion:

Propofol, magnesium sulfate, and lignocaine exerted equal efficacy in attenuating hemodynamic responses during surgery and ensuring a satisfactory surgical field. However, magnesium sulfate led to significantly longer recovery times compared with propofol and lignocaine. In addition, magnesium sulfate required a significantly lower total dose of neuromuscular blocking agents than lignocaine.

Keywords:

Propofol hemodynamic response hypotension lignocaine magnesium sulfate

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