• Anesth Essays Res · Apr 2017

    Comparative Evaluation of Continuous Thoracic Paravertebral Block and Thoracic Epidural Analgesia Techniques for Post-operative Pain Relief in Patients Undergoing Open Nephrectomy: A Prospective, Randomized, Single-blind Study.

    • GautamSujeet Kumar SinghSKSDepartment of Anesthesiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India., Pravin Kumar Das, Anil Agarwal, Sanjay Kumar, Sanjay Dhiraaj, Abhishek Keshari, and Abinash Patro.
    • Department of Anesthesiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.
    • Anesth Essays Res. 2017 Apr 1; 11 (2): 359-364.

    BackgroundOpen surgical procedures are associated with substantial postoperative pain; an alternative method providing adequate pain relief with minimal side effects is very much required.AimThe aim of this study was a comparative evaluation of the efficacy of continuous thoracic paravertebral block (PVB) and thoracic epidural analgesia (EA) for postoperative pain relief in patients undergoing open nephrectomy.Settings And DesignProspective, randomized, and single-blind study.Materials And MethodsSixty adult patients undergoing open nephrectomy under general anesthesia were randomized to receive a continuous thoracic epidural infusion (Group E) or continuous thoracic paravertebral infusion (Group P) with bupivacaine 0.1% with 1 μg/ml fentanyl at 7 ml/h; both infusions were started after induction of anesthesia. The primary outcome measures were postoperative pain during rest (static pain), deep inspiration, coughing, and movement (getting up from supine to sitting position); the secondary outcome measures were postoperative nausea and vomiting, requirement of rescue antiemetic, hypotension, sedation, pruritus, motor block, and respiratory depression. These were assessed till the morning of the third postoperative day.Statistical AnalysisResults were analyzed by the one-way ANOVA, Chi-square test, and Mann-Whitney U-test. P < 0.05 was considered significant.ResultsBoth the groups were similar with regard to demographic factors (P > 0.05). The visual analog scale scores at rest, deep breathing, coughing and movement, and postoperative fentanyl consumption were similar in the two groups (P > 0.05); the incidence of side effects was also similar in the two groups (P > 0.05).ConclusionsContinuous thoracic PVB is as effective as continuous thoracic EA in providing pain relief in patients undergoing open nephrectomy in the postoperative period. The side effect profile of the two techniques was also similar.

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    This article appears in the collection: Paravertebral block for post-operative nephrectomy analgesia.


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