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Papers of the Week

2020 Oct

Mymensingh Med J



The Additive Effects of Midazolam in Sub Arachnoid Block in Elective Caesarian Section: A Randomized Control Trial.


Alam AM, Deeba F, Matin A, Ivy R, Begum N
Mymensingh Med J. 2020 Oct; 29(4):951-955.
PMID: 33116101.


The incidence of visceral pain among caesarean section can be as high as 50% in sub arachnoid block (SAB) in spite adequate sensory block, which requires conversion to general anesthesia. Different types of adjuvant have been used to augment the effect of local anesthetics but their use is limited due to adverse effects. The effect of intrathecal midazolam along with hyperbaric bupivacaine in sub arachnoid block is less known. So this randomized, double blind study was conducted to evaluate the additive effect of 0.4ml midazolam to 0.5% 3ml bupivacaine on sub arachnoid block in scheduled elective caesarean section. This study demonstrated that the addition of intrathecal 0.4ml midazolam to spinal 0.5% bupivacaine kept all the characteristics of block unaffected, furthermore pain score VAS 3.4±1.3 in Group A and 1.8±1.22 in Group B which is statistically significant, the requirement of intraoperative analgesia and also increased the duration of postoperative analgesia that is 130.3±5.4 minute in Group A, 265.1±3.6 minute in Group B and also statistically significant. Therefore addition of 2.0mg midazolam with 0.5% bupivacaine significantly reduces the VAS score, reduces the intraoperative visceral pain and need of analgesia.