• Saudi J Anaesth · Oct 2020

    Comparison of analgesic efficacy of ultrasound-guided thoracic paravertebral block versus surgeon-guided serratus anterior plane block for acute postoperative pain in patients undergoing thoracotomy for lung surgery-A prospective randomized study.

    • Anuradha Patel, Vinod Kumar, Rakesh Garg, Sushma Bhatnagar, Seema Mishra, Nishkarsh Gupta, Sachidanand Jee Bharti, and Sunil Kumar.
    • Department of Onco-Anaesthesia and Palliative Medicine, Dr B.R.A., Institute Rotary Cancer Hospital, AIIMS, New Delhi, India.
    • Saudi J Anaesth. 2020 Oct 1; 14 (4): 423-430.

    ContextInadequate pain relief after thoracotomy may lead to postoperative respiratory complications.AimsWe have compared total morphine consumption in 24 hours following thoracotomy.Settings And DesignThis prospective randomized pilot study involved 50 patients undergoing elective thoracotomy for lung surgery at AIIMS, New Delhi.Patients And MethodsFifty patients undergoing elective thoracotomy were randomly allocated into two groups. In Group I patients, ultrasound (USG)-guided paravertebral catheter was inserted preoperatively and in Group II patients, serratus anterior plane (SAP) catheter was inserted by the surgeon before closure. Ropivacaine bolus (group I: 0.2% 0.1 ml/kg and group II: 0.375% 0.4 ml/kg) was given before extubation, followed by its continuous infusion for 24 hours. If the numerical rating scale (NRS) was >3, then patients were given intravenous (i.v.) morphine 3 mg. Total 24-hour morphine consumption, duration of effective analgesia, hemodynamic parameters, side effects, and overall patient satisfaction were recorded.Statistical Analysis UsedT-test was used to compare the parametric values in both the groups, whereas the Mann-Whitney U-test was performed to compare the nonparametric values.ResultsPostoperative morphine requirement in the ParaVertebral Block (PVB) group (8.65 ± 4.27 mg) was less as compared to the SAP group (11.87 ± 6.22 mg) but that was not statistically significant (p 0.052). Postoperative pain scores at rest and on movement, patient satisfaction, and incidence of chronic post-thoracotomy pain were comparable in both the groups.ConclusionSAP block with continuous catheter technique seems to be a safe and effective modality for the management of acute postoperative pain after thoracotomy.Copyright: © 2020 Saudi Journal of Anesthesia.

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