A Comparative Analysis of Dexmedetomidine Infusion Rates on Hemodynamic Responses During Laparoscopic Cholecystectomy: An Observational Study
2024

Effects of Dexmedetomidine on Blood Pressure During Surgery

Sample size: 90 publication Evidence: moderate

Author Information

Author(s): Muacevic Alexander, Adler John R, Verma Rachna, Nadeem Amra, Bafila Narendra S, Gautam Sanni D, Kumar Deepak, Giri Manoj K

Primary Institution: Ganesh Shankar Vidyarthi Memorial Medical College, Kanpur, IND

Hypothesis

The administration of dexmedetomidine at an infusion rate of 0.4 µg/kg/hour would result in the most stable hemodynamic profile during laparoscopic cholecystectomy compared to infusion rates of 0.2 µg/kg/hour and 0.6 µg/kg/hour.

Conclusion

Dexmedetomidine is a valuable anesthetic adjuvant for laparoscopic cholecystectomy, with the 0.4 µg/kg/hour dose offering a favorable balance between hemodynamic stability and the potential risk of hypotension and bradycardia.

Supporting Evidence

  • All three dexmedetomidine doses effectively attenuated hemodynamic responses.
  • The 0.4 µg/kg/hour dose demonstrated the most stable blood pressure control.
  • The 0.6 µg/kg/hour dose consistently resulted in lower mean blood pressure values.
  • Heart rate was more stable in the 0.4 µg/kg/hour group.

Takeaway

This study looked at how different doses of a medicine called dexmedetomidine affect heart and blood pressure during a type of surgery. They found that one specific dose worked best to keep everything stable.

Methodology

An observational study was conducted among 90 adult patients undergoing laparoscopic cholecystectomy, divided into three groups receiving different doses of dexmedetomidine.

Limitations

The study had a small sample size and a single-center design, which may limit the generalizability of the findings.

Participant Demographics

Adult patients aged 18 to 65 years with ASA Grade I or II.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.7759/cureus.74538

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