• Mymensingh Med J · Apr 2020

    Randomized Controlled Trial

    Effect of Intravenous Paracetamol with Bupivacaine Scalp Nerve Block on Haemodynamics Response as Well as Anaesthetic Requirements during Supratentorial Craniotomies.

    • M M Kamal, I H Chowdhury, M I Islam, M J Hossain, and A K Akhtaruzzaman.
    • Dr Md Mustafa Kamal, Associate Professor, Department of Anaesthesia, Analgesia and Intensive Care Medicine, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh; E-mail: kamalanaes64@gmail.com.
    • Mymensingh Med J. 2020 Apr 1; 29 (2): 341-350.

    AbstractNoxious stimuli during craniotomy may encourage hypertension and tachycardia, which may rise to morbidity in patients with intracranial hypertension. After craniotomy a moderate level of postoperative pain observed. The objective of this study was to observe the effect of intravenous paracetamol with bupivacaine scalp nerve block (SNB) on haemodynamics response as well as anaesthetic & analgesic requirements during supratentorial craniotomies. This is a single-blind, placebo-controlled, randomized clinical trial carried out in the Neurosurgery operation theatre from August 2015 to July 2017 under supervision of Department of Anaesthesia, Analgesia and Intensive Care Medicine of Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh. A total of 40 patients aged 18-60 years with supratentorial space occupying lesion undergoing craniotomy under general anaesthesia who were attended in the department of Neurosurgery, BSMMU were enrolled in this study and they were divided randomly into two groups, 20 patients in each. The Group A received 100ml normal saline infusion and 0.25% bupivacaine (20ml) in scalp block, while the Group B received intravenous injection paracetamol (1gm) and 0.25% bupivacaine (total 20ml) in scalp block. Statistical analyses were obtained Statistical Packages for Social Sciences (SPSS-22). The mean systolic blood pressure varied within the normal range in both groups. The mean DBP of Group B remained significantly lower than that of Group A in different follow up except at 30 minutes and 60 minutes after dura incision. However, mean MAP of Group B remained significantly lower than that of Group A in different time interval. The mean heart rate of Group B remained significantly lower than that of Group A. The mean intraoperative propofol as well as fentanyl requirements were significantly decreased in Group B in comparison to Group A. The combination of intravenous paracetamol with bupivacaine scalp nerve block provides better intra-operative haemodynamic stability and neurosurgical compliances for the patients undergoing supratentorial craniotomies under general anaesthesia.

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