From: Effects of different doses of magnesium sulfate on pneumoperitoneum-related hemodynamic changes in patients undergoing gastrointestinal laparoscopy: a randomized, double-blind, controlled trial
Group S (n = 20)
Group L (n = 20)
Group H (n = 20)
P value
Chronic beta-blockaden n (%)
3 (15%)
2 (10)
1 (5%)
0.625
ACE inhibitorsn n (%)
1 (5)
2 (10%)
calcium antagonistsn n (%)
0