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ORIGINAL ARTICLE
Minerva Anestesiologica 2024 March;90(3):154-61
DOI: 10.23736/S0375-9393.23.17706-6
Copyright © 2023 EDIZIONI MINERVA MEDICA
language: English
Effects of erector spinae plane block on opioid consumption in patients undergoing hand-assisted laparoscopic donor nephrectomy: a randomized controlled trial
Özlem ÖZKALAYCI 1 ✉, Muhammet A. KARAKAYA 2, Yılmaz YENIGÜN 3, Seçil ÇETIN 1, Kamil DARÇIN 1, Başak AKYOLLU 4, Emre ARPALI 4, Burak KOÇAK 4, Yavuz GÜRKAN 1
1 Department of Anesthesiology and Reanimation, Koç University Hospital, Istanbul, Türkiye; 2 Department of Anesthesiology, Acıbadem Ataşehir Hospital, İstanbul, Türkiye; 3 Department of Anesthesiology, LIV Hospital Vadistanbul, Istanbul, Türkiye; 4 Prof. Dr. Münci Kalayoğlu Organ Transplant Center, Koç University Hospital, Istanbul, Türkiye
BACKGROUND: The erector spinae plane block is a relatively new regional anesthesia technique that is expected to provide some benefits for postoperative analgesia. This study investigated the effects of erector spinae plane block on postoperative opioid consumption in kidney donors undergoing hand-assisted laparoscopic donor nephrectomy for renal transplantation.
METHODS: Fifty-two donors scheduled for elective hand-assisted laparoscopic donor nephrectomy were randomly divided into the block (25 donors) and control (27 donors) groups. Donors in the block group received 30 mL of 0.25% bupivacaine under ultrasound guidance, whereas the control group received no block treatment. The primary outcome measure was the amount of fentanyl administered via patient-controlled analgesia at 24 h. Secondary outcomes included the duration of stay, opioid consumption in the post-anesthesia care unit, and pain scores during the recording hours.
RESULTS: No significant differences were observed between the groups regarding total opioid consumption converted to intravenous morphine equivalent administered via patient-controlled analgesia (33.3±21.4 mg vs. 37.5±18.5 mg; P=0.27) and in the postanesthesia care unit (1.5±0.9 mg vs. 1.4±0.8 mg; P=0.55). The duration of stay in the postanesthesia care unit (86.3±32.6 min vs. 85.7±33.6 min; P=0.87) was similar between the groups. There was no significant difference between the groups in the postoperative donor-reported NRS pain scores (P>0.05 for all the time points).
CONCLUSIONS: Preoperative erector spinae plane block is not an effective strategy for reducing postoperative pain or opioid consumption in patients undergoing hand-assisted laparoscopic donor nephrectomy. Different block combinations are needed for optimal pain management in hand-assisted laparoscopic donor nephrectomy.
KEY WORDS: Spine; Nerve block; Opioids; Pain; Transplantation; Ultrasonography