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Efficacy of Ultrasound-Guided Erector Spinae Plane Block in Percutaneous Nephrolithotomy.
Curēus 2023 June
Background Percutaneous nephrolithotomy (PCNL) is presently the preferred method for managing renal calculi. Visceral pain from the kidney and ureter and somatic pain from the incision site are the primary causes of immediate postoperative pain following PCNL. Poor pain control is associated with unwanted consequences such as patient discomfort, delayed recovery, and prolonged hospital stay. Recently, the erector spinae plane (ESP) block has been used in many thoracic and abdominal surgeries for the control of postoperative pain. In this study, we aimed to assess the effectiveness of the ultrasound-guided ESP block following PCNL. Methodology This was a prospective, double-blind, randomized controlled study including 60 patients who were scheduled for elective PCNL under general anesthesia. Patients were randomly divided into two groups. Group E underwent an ultrasound-guided ESP block with 20 mL of the local anesthetic mixture at the T-9 level unilaterally on the side of surgery, and group C was a sham group in which 20 mL of normal saline was injected on the side of surgery. Changes in postoperative pain score were the primary outcome, and the duration of analgesia, the total analgesic requirement in 24 hours, and patient satisfaction were the secondary outcomes. Results The demographic data of both groups were comparable. The Visual Analog Scale score was considerably lower in group E than in group C at two, four, six, and eight hours postoperatively. In group E, the mean analgesic duration was substantially longer than that in group C (8.87 ± 2.45 hours vs. 5.67 ± 1.58 hours, respectively). The tramadol requirement was higher in group C (286.67 ± 62.88 mg) than in group E (133.33 ± 47.95 mg) during the 24-hour postoperative period. At 12 hours, patient satisfaction was considerably higher in group E than in group C (6.73 ± 0.45 vs. 5.87 ± 0.35, respectively). Conclusions The ultrasound-guided ESP block provided efficient postoperative pain relief, prolonged duration of analgesia, and reduced tramadol intake after PCNL surgery.
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